Applied Mechanics Division Newsletter Lori Graham, Editor Summer 1998

raising efforts will continue to raise a Report of the Chair total of $50,000. As with the Timoshenko 1997 Timoshenko his was anoth- and Koiter Medals, it will be adminis- Medal er highly tered, and the nominee chosen, by a spe- rewarding cial Drucker Medal Committee consisting rofessor J. R. T of the five current members of the AMD year for the Applied Willis was Mechanics Division, Executive Committee, the past five years’ Pawarded the highlighted by excit- Division Chairs, and the past five Drucker ing meetings, new Medalists. The AMD proposal for the at the Applied awards and medals, Medal was approved by the ASME Com- Mechanics Dinner recognition of many mittee on Honors and Board of Governors at the 1997 IMECE of our distinguished at their meetings during the ’97 IMECE. in Dallas. AMDChair The recipient of the first Medal was Dan S. A. Berger members, etc. One John R. Willis is of the most impor- Drucker himself, his nomination having widely regarded as Timoshenko tant of these was the establishment, based won approval from the Committee on one of the most Honors at its April, ’98 meeting. The Medal Recipient on the proposal and financial support of J. R. Willis inventive problem the AMD, of the Daniel C. Drucker Medal was conferred at the 13th solvers working Medal as an ASME medal. This Medal, U. S. National Congress of Theoretical within the field of solid mechanics today. named after Dan Drucker - distinguished and Applied Mechanics at the University Dating back to his earliest work in the scholar, educator, outstanding engineer- of Florida in Gainesville in June, ’98. 1960’s, he has tackled some of the most ing educational and professional leader In adding the names of Warner Koiter challenging and important theoretical (including the presidency of the ASME) - and Dan Drucker to that of Stephen Tim- problems in the broad area of the will be “bestowed in recognition of sus- oshenko in the pantheon of giants of mechanics of solids. He has made semi- tained, outstanding contributions to applied mechanics and mechanical engi- nal contributions to the mechanics of applied mechanics and mechanical engi- neering by naming ASME medals for cracks with application to fracture neering through research, teaching them, the AMD has come a long way in mechanics, to dislocation mechanics, to and/or service to the community”. This redressing the lack of adequate awards to general solution methods for anisotropic new medal is the third AMD-sponsored recognize individuals who have made elastic solids, and to the development of ASME-level honor. It complements the outstanding contributions to applied methods for determining the macroscopic Timoshenko and Koiter Medals, also mechanics. On behalf of the Division I properties of composite materials. He ASME medals, the latter approved two want to thank Tom Cruse and Carl Her- single-handedly initiated the modern years ago. It carries with it an honorarium akovich, the two most recent past Chairs field of nonlinear composites. As has of $1,000 and reimbursement for travel of the AMD, for having steered the nomi- been the case in all the areas he has cho- expenses to the IMECE for the presenta- nations for the Koiter and Drucker sen to work, he invented new solution tion. An ad-hoc committee to raise Medals, respectively, through the ASME. methods and used these methods to solve money for the funding of the medal, For a number of years the Executive Com- new difficult problems. In each of the chaired by Chuck Taylor, has received mittee has felt that we should also recog- areas, Willis’ contributions have pushed contributions of $11,000 from universities nize outstanding young investigators. To theoretical understanding well beyond and individuals and $14,000 from the that end the Division has now established the state of knowledge existing prior to AMD, meeting the minimum endowment of $25,000 required by the ASME. Fund- (continued on page 3) (continued on page 5)

1 was, “I don’t know. And if I did, I wouldn’t tell you!”. Of course he is impossible to emulate, but I saw an Mechanics of Or perhaps Jock was the elder statesman: those that example towards which to aspire. Also at Cambridge, knew him can surely imagine him making such a I interacted with Jock Eshelby, whose papers had response, mixing humour with truth! The fact is that, already been one of the foundations of my education. Research* unless you are exceptionally lucky, you have to have I always knew that my main contribution would be by J. R. Willis your own ideas and be satisfied with them. mathematical, and I learned important lessons from University of Cambridge Having done your first research, and obtained Gerard Friedlander and Edward Fraenkel in particu- your PhD, the next problem is to find a position lar. The award of the Timoshenko Medal is a singular and which will allow your research to flourish. I wish I When I was still relatively young, I moved to the unexpected honour. I thank my friends who exagger- could advise here. My own experience is useless, then new University of Bath. Over the next few years, ated my case so successfully, and promise them that I since when I was at that stage, there were more good I had the great good fortune to appoint outstanding shall do my best to justify their faith in the future, jobs than there were people to fill them, and I remem- colleagues, and I learned some more mathematics even if I have not managed it in the past. ber with appreciation one of the services my thesis particularly from John Toland. I also had several I’m not sure if I should say this, but I will. I have adviser, Maurice Jaswon, rendered at that time. He excellent students and post-docs. In particular, David attended one Applied Mechanics Division Dinner took sabbatical leave in the USA, and I was able to Talbot was my student more than 20 years ago. He is previously. Bernie Budiansky received the Timo- monitor some of his movements from job offers that I still a major collaborator and I am happy to acknowl- shenko Medal. I was surprised that he spoke for so received. I actually took a post-doctoral position at edge my debt to him. One of my best post-docs was long! Now I realize why. It was no ordinary after-din- the Courant Institute, New York, and had the benefit Pedro Ponte Castañeda. ner speech but the Timoshenko Lecture, and its length of learning from some of the greats of applied mathe- Again, we have interacted over the succeeding is prescribed. Therefore, I can only advise now that matics, including Joe Keller, another Timoshenko years to my distinct advantage. When I first returned you settle down and prepare to let your thoughts Medallist. There are two problems now, or so it seems to Cambridge, I was fortunate to have Pedro as one of wander! to me. my early visitors. Another was Walt Drugan, who A technical exposition is clearly not required, and I One is that jobs are scarce. The other is that there is was never my student or post-doc but I wish he had sought inspiration, or at least examples of how to pro- pressure to behave immediately as though you are a been. This is one of the advantages of working in a ceed, by reading the lectures of a few previous medal- great leader, attract research funds and perhaps have location that others consider attractive. In the three lists. It seemed to me that I might try to follow, in more graduate students than is comfortable for you or and a half years I have been back, I have had the ben- some approximate way, the path taken by George them. I do believe that foundations have to be laid, by efit of a succession of distinguished long-term visitors Batchelor, who was also my boss at a formative time personal study and contemplation. Better to become a including, besides Pedro and Walt, Huajian Gao and in my career. He was founder and head of the Depart- motivator and facilitator later! And in any case, you Zvi Hashin. I have also, in recent years, done my own ment of Applied Mathematics and Theoretical Physics won’t survive long-term as a generator of ideas, share of travelling, and my most frequent single desti- in Cambridge. unless you are doing quite a bit of research personal- nation has been the laboratory of Sia Nemat-Nasser, I was fortunate enough to hold junior posts there, ly. Clearly, these days, some compromise is neces- where there is always something new and exciting for between 1965 and 1972, and perhaps am now even sary. I would like to think that talent is recognised not me to learn. more fortunate to hold a senior post in that depart- only by amounts of money attracted, or numbers of Travelling and editing a journal do not form an ment. George is no longer its head but he is there publications, though it would be quite wrong to infer ideal mixture, and would have been much more diffi- every day, providing an example of dedication to that independence from these activities as demon- cult to combine if I had not had the fortune to have research and scholarship in mechanics. strated by failure to deliver necessarily implies true Ben Freund as an outstanding co-editor of JMPS. Dur- This, in fact, will be my theme: how does a career commitment, or ability, or depth. A positive aspect of ing periods that I am away, he continues -- I expect -- develop, in which perhaps the most significant com- the grant culture is that research driven by practical to feed copy to the press, so that short absence is not a ponent is research? Naturally, this will relate to concerns can have fundamental significance and, even problem. applied mathematics and mechanics, because that is when it does not, involvement in such research can One of the most significant world events of the last all that I know. provide a perspective from which important generic few years had impact on me and my research too: the The main focus of George’s lecture was how an or fundamental problems may be identified. demise of the Soviet Union made available many institution should be organised to stimulate invention Assuming that you keep going successfully, and researchers of great ability, prepared to take more and research, and I shall try to address a somewhat achieve a senior position either in a University or a junior positions than objectively they deserved. In my similar question. Research Department, you surely will acquire wider case, I had successively as post-docs Sasha Movchan, Yapa Rajapakse asked me the other night what responsibilities. These are likely to include responsi- Valery Smyshlyaev and Natasha Movchan. I can only would be the title of my talk. I told him that I hadn’t bility for the welfare (and livelihood) of others, and liken working with them to driving a powerful car: given one, but perhaps an appropriate title would be may also involve administration concerning the you touch the accelerator and really move! They all “Mechanics of Research”. My concern will be how an research infrastructure of your discipline. three now have secure positions and do not need me, individual should position himself or herself, to do I think particularly here of activities relating to but still we collaborate, and I get (some of) the credit fruitful research. So, in particular, what should some- publishing. We almost all act as referees (except for for their hard work and talent. one just starting out do, and expect? those — some very distinguished — who just don’t This, perhaps, leads me to my final piece of advice: To begin, it pays to be good at passing exams. Oth- respond!) and some of us act as journal editors. when you get the chance, collaborate with talented erwise, acceptance in a good research school is likely I have to admit that I sometimes suspect that peo- younger researchers as much as you can. Few activi- to be difficult. It pays also to have a thesis adviser ple these days write more than they read -- including, ties can be more rewarding. In my case, this goes a who has the right sense of what might be important in some cases, papers upon which the person’s name long way towards explaining my presence this in the future as well as tractable now, with the right appears as author! But enough of that, and back to the evening. Now I would like to conclude, expressing amount of effort. This is not always so easy to functions of an editor. This is not a research activity, my deep gratitude to all those with whom I have had achieve. Paul Matthews, a physicist of great distinc- but (I do my best to remind myself) it does make an the good fortune to interact during my career so far, tion (I knew him when he was Vice-Chancellor of the important contribution to the collective scientific coupled with keen anticipation of more in the future. University of Bath, where I spent many happy years endeavour. Furthermore, although you certainly can’t as a Professor), told me that, when he was a young please everyone all the time, it is my experience that *The text of the Timoshenko Medal Acceptance research student in the Cavendish Laboratory, he one the job can make you more friends than enemies. The Speech delivered at the Applied Mechanics Dinner day approached Paul Dirac and asked him if he might thing to remember is that you can’t know everything, at the 1997 IMECE. be willing to supervise his research. Dirac’s response, so you must take the best advice that you can find utterly sincere and modest, was that he didn’t need and then (even when the advice is inadequate, as it any help with his problems at that time. can be on occasions!) take a decision in as honest a Few of us have the opportunity to acquire such an fashion as you can. Just occasionally, you may have anecdote. There is, however, an uncomfortable lesson the opportunity to promote some of the first work of Applied Mechanics to be learned by all at this stage. Being clever may be someone destined to be a star. This is a real satisfac- necessary, but it certainly is not sufficient! It is still tion. And this reminds me of something else that goes more important to have commitment and true interest with age and seniority: if you become a head of Reviews in what you are doing. While a bit of competitive spir- department -- or similar -- and have the opportunity n 1997 Applied Mechanics Reviews it is surely no bad thing (and may be almost essen- to make appointments, you must never be afraid of tial), the pleasure of achievement against your own appointing someone you suspect may be better than celebrated its 50th anniversary. standards should be -- probably has to be -- your yourself. I have done this many times. Not only is it Among the special things that main reward, since it is certain, whoever you are, that essential for the well-being of your unit, but you actu- I occurred was the publication of Retro- you will see people around you who have more tal- ally derive credit as well as benefit for your own spectives for the first time. These were ent, and have done much more significant research research. than you are ever likely to do yourself. I am reminded I realize that I started with the intention of making written by three truly outstanding, here of another story I was once told. I am not sure general comment but have lapsed into personal remi- senior research scholars — Hans Liep- now whether it was told me by Jock Eshelby, or about niscence. Now I would like to do this still more mann, John Miles and George Batchelor him: as a young research student, he went to see a explicitly. Certainly the progress of my career has — all of whom happen to be fluid great elder statesman of solid state physics, and asked been influenced greatly by various colleagues that I what were the really significant areas in which an have had. After NYU, I went to Cambridge on the ini- . However, many others aspiring researcher should concentrate. The reply tiative of Rodney Hill. have been invited during the past two

2 years, embracing all areas of mechanics. which will be administered by a commit- which assumed this responsibility. The We are publishing more of them in the tee with a representative from each of symposia volumes are now profitable. current year, and want to reach the these Divisions. While publication of exclusively AMD point, eventually, where we have one in Our first big conference of the ’97 calen- symposium volumes will continue to each monthly issue. I found the first dar year was the Joint Summer Meeting at require approval of the Program Commit- three to be very interesting to read. In Northwestern, McNU ’97, a joint meeting tee Chair, acting for the AMD Executive particular I would recommend that all of the AMD, the MD, together with the Committee, symposium organizers researchers read the Retrospective ASCE and SES. The meeting was superbly should not feel discouraged from submit- “Research as a Life Style”, the essay by organized by Wing Kam Liu, Leon Kerr, ting such requests. George Batchelor that appeared in the Brian Moran and their colleagues at There is a separate report from Lew August, 1997 issue. Northwestern, continuing a tradition of Wheeler, Editor of JAM, but I do want to We are also publishing many more earlier summer meetings. Increasingly, note that JAM is the most profitable of the review articles now than in years past. In AMD members, in word and attendance, 17 ASME transactions journals, last year 1997 there were 28 articles on a variety of are favoring these more focused summer accounting for 15% of the $1.7M profit of topics, as well as a Special Issue on Ther- meetings over the much larger IMECEs. these journals. In a recent study JAM led mal Stresses, edited by Richard Hetnars- Unfortunately, though, there has benn all transaction journals in citations, 5200, ki. We have had three articles per issue very little focus on fluid mechanics at the second being the Journal of Heat for many months, and expect to be able to these meetings. S. Nemat Nasser con- Transfer with 2000. Pending with the continue this in the future. I would like firmed on behalf of the Materials Division ASME Publications Committee are to point out, especially, the article their agreement to continue the coordina- requests for the elimination of mandatory “Applied Mechanics in Science and Engi- tion of joint AMD-MD summer meetings page charges and page limitations. neering”, by Yih-Hsing Pao which was for at least the next five years. There will The primary membership of the AMD is published in the February, 1998 issue. not be such a meeting in 2000, however, about 6000 (secondary membership 5000, This monumental effort traces the histori- because of the IUTAM International and an additional 5200, 3rd and 4th choic- cal development of applied mechanics as Congress on Theoretical and Applied es), making it the largest of the five Basic a field, as well as its relationship to sci- Mechanics in Chicago that summer. Engineering Group Divisions. As of ence and engineering. The annual IMECE still remains the 3–31–98, the AMD Custodial Account bal- The truly international character of major event of the year for the AMD, with ance was $24,500, but given our current AMR continues to evolve. More than half meetings of all the TCs, the AMD dinner, commitments, for example to endowments of our review article authors of the past honors and awards decided and awarded, for the Drucker and Thurston awards (see two years are from outside the U.S. We hundreds of papers, etc. The ’97 IMECE in above), and potential future obligations have approximately 40 Associate Editors Dallas was no exception. Kudos to Alan and commitments not unusual for a Divi- who seek review articles and manage Needleman for his flawless innovative sion of our size and responsibilities, our their refereeing. In recent months several handling of every aspect of the AMD part finances are rather marginal. This is all the more non-U.S. ones have been added, so of the meeting, the scheduling and more so when compared with other Divi- that they currently comprise half of the arrangements for paper sessions, sym- sions. Taking note that the financial health total. We are continuing to add book posia, committees, and handling the count- of at least some of these other Divisions reviewers from abroad. The field of less other details of such a large meeting. results from their summer meetings, the mechanics is truly worldwide, and AMR A highlight of the meeting is, of course, the EC has proposed that the usual $5/paid will do its best to reflect this. Applied Mechanics Dinner, at which the registrant contribution to the AMD from ARTHUR W. LEISSA, Editor-in-Chief Timoshenko Medal is presented and the AMD-co-sponsored summer meetings be Medalist speaks about his career and work. increased to $15. The EC will continue to Chair’s Message The ’97 Medalist was John R. Willis, Profes- explore other ways to improve the finan- (continued from page 1) sor of Theoretical Solid Mechanics in the cial health of the Division. Department of Applied Mathematics and As I end my term on the AMD EC it The Special Achievement Award for Theoretical Physics at Cambridge Universi- remains to thank all the current members Young Investigators in Applied Mechan- ty (see related articles). The Applied of the EC, Lallit, Alan, Tom, and Dusan, ics. The award is to be bestowed on Mechanics Award is also presented at the for having carried out each of their man- researchers age 40 or younger in recogni- dinner. The Award for ’97 was presented dated responsibilities so efficiently and tion of contributions to applied mechanics, to Richard Skalak, Professor at the Univer- cheerfully; the former Chairs, particular- in the form of outstanding published sity of California at San Diego. Unfortu- ly Carl, to whom I often turned for infor- papers, and the demonstration of consid- nately it was awarded posthumously and mation and sage advice; our various erable potential for significant future was accepted by his son Tom, a professor AMD Editors, Technical and other Com- work. The awardee will be selected by the at the University of Virginia. Skalak was mittee Chairs and members; our able Executive Committee and the awards pre- one of two former Chairs of the AMD ASME Technical Administrator Alex sented at the annual AMD Banquet at the Executive Committee to pass away in 1997 Majewski; and others (meeting and sym- IMECE, the first one at Anaheim, ’98 (for - the other, Nicholas Hoff, Professor Emeri- posia organizers, program chairs, etc.) nominations contact J. Tinsley Oden). tus at Stanford University, passed away in who, unheralded and generally unpaid, The Robert Henry Thurston Lecture, August ’97. Koiter, the first winner of the make possible much of what we proudly established in 1925 to honor the first pres- ASME medal named in his honor, also associate with the AMD. It remains lastly ident of the ASME, and presented at the passed away in ’97. to welcome Hassan Aref as the newest IMECE by a lecturer chosen by the Basic There has been some confusion and a member of the EC. Engineering Technical Group (BETG), is good deal of upset about the AMD’s sym- Footnote: This report was tardy being upgraded to a Society award, to be posium volume policy. You may recall, enough to allow me to announce the known as the Thurston Society Award. because the ASME a number of years ago most recent honors voted by the Com- The AMD has joined the other four Basic transferred financial liability for them to mittee on Honors. The ’98 Timoshenko Engineering Group Divisions in commit- individual Divisions, the AMD voted not Medalist is Olgierd Zienkiewicz of the ting itself to contribute $1000 per year for to publish such volumes, except when University of Wales Swansea, the ’98 (and the next five years to establish the award, there were co-sponsoring Divisions second) Koiter Medalist is Viggo Tver-

3 gaard of the Technical University of Den- Laminar-Turbulent Transition, Ari- Professor Skalak passed away at his mark, the ’98 (and first) Drucker Medalist zona, USA, W. Saric & H. Fasel home in San Diego on August 17, 1997. is Dan Drucker, and AMD EC member, Advanced Mathematical and Computa- The award was accepted posthumously in Tom Hughes, has been awarded the ’98 tional Mechanics Aspects of the Bound- Dallas by his son, Tom, a professor in the Medal. ary Element Method, Gliwice, Poland, T. biomedical engineering department at the S. A. BERGER, Chair Burczynski & T. A. Cruse University of Virginia. Geometry and Statistics of Turbulence, While it may well be that the historic Tokyo, Japan, Kambe record will principally remember Skalak Scaling Laws in Sea Ice Mechanics and as one of the preeminent biomechanicians USNC/TAM Sea Ice Dynamics, Clarkson NY, USA, J. of the latter half of the 20th century, it ne of the activities of the USNC/ P. Dempsey & H. H. Shen will, or should, note that what made his TAM is the publication of over- Mechanical and Electromagnetic Waves work in this field so outstanding was its view volumes on different areas of in Structured Media, Sydney, Australia, grounding in his encyclopedic knowledge O R. C. McPhedran of mechanics and his analytical and mechanics. So far, two such volumes have been published. Volume 1 on CARL T. HERAKOVICH, numerical skills in applying this knowl- Research Directions in Computational ASME Representative edge. In addition to training two genera- Mechanics (NAS Press 1991) under the tions of scholars, Skalak shared ideas direction of Tinsley Oden, and Volume 2 freely and generously with colleagues on Research Directions in Fluid Dynamics and will be sorely missed. (AIP Press 1996), edited by J. L. Lumley, Applied Mechanics S. A. BERGER Andreas Acrivos, Gary Leal and Sidney Liebovich. The third volume, on Award to Skalak Research Trends in Solid Mechanics rofessor Richard Skalak received the AMD Honors and (RTSM), will follow in the near future Applied Mechanics Award at the with completion anticipated in the Fall of 1997 IMECE in Dallas, “in recognition 1998. George Dvorak is editing the vol- P Awards of his distinguished contributions to ume with advisory panel members: Jan mechanics, and his distinguished service to he following AMD members Achenbach, Zdenek Bazant, Richard the engineering community”. Born in New received ASME Awards: Christensen, Ben Freund, Yapa Rajapakse York City in 1923, Dr. Skalak received a T Daniel C. Drucker Medal: Daniel and Jim Rice. B.S. in C.E., a C.E. degree, and the Ph.D. in C. Drucker, Warner T. Koiter Medal: Pol D. Spanos stepped down as editor of Engineering Mechanics, all from Columbia Viggo Tvergaard, Timoshenko Medal: the USNCTAM Newsletter after serving University. Following service in the U.S. Olgierd C. Zienkiewicz, Worcester Reed most effectively for the inaugural seven Navy, he was appointed to the faculty in Warner Medal: Thomas J. R. Hughes, years of its life. Carl T. Herakovich has civil engineering and engineering mechan- Applied Mechanics Award: Richard assumed the duties of Newsletter editor. ics at the Columbia School of Engineering, Skalak. U.S. members of the mechanics commu- reaching the rank of full professor in 1964. The following AMD members were nity were elected to positions in IUTAM at He was Chair of the C.E. Department from recently elected to Fellow Grade: the Kyoto meeting in August, 1997. Dan 1985 to 1988, and served as James Kip R. Abeyaratne, S. Adali, J. Barsom, Drucker and Bruno Boley were both re- Finch Professor of Engineering Mechanics J. Bennett, M. Hyer, E. Jordan, J. W. Ju, elected to additional terms as Members-at- from 1976 to 1988. He was founder of the G. Kardomateas, S. Kyriakides, K. Liechti, Large of the General Assembly. L. Ben Institute of Bioengineering at Columbia, K. Morman, T. Mura, O. Nwokah, J. Pan, Freund was elected to a four year term as serving as Director from 1985 to 1988, M. Pettigrew, P. Pinsky, S. Rakheja, Treasurer of IUTAM. As Treasurer of when he moved to the University of Cali- H. Reed, L. Thigpen, K. W. Wang, IUTAM Ben is a member of the Bureau fornia, San Diego, to take up an appoint- R. Whirley, I. Zeid. and the General Assembly of IUTAM. ment as Professor in the Applied Mechan- Note: The AMD now has an Awards A WWW-homepage for the USNC/ ics and Engineering Science Department. Nomination Committee, chaired by Tins- TAM has been established under the There he also served as founding director ley Oden, to which all nominations for direction of Jim Hill. Maintaining and of the NSF-funded Institute for Mechanics ASME and AMD honors should be sent, upgrading the web page will be an ongo- and Materials. except for the Timoshenko, Koiter, and ing process and all members of the Dr. Skalak held editorial positions with Drucker Medals which are handled mechanics community, are encouraged to numerous journals, including Editor of through the AMD Executive Committee. participate. The website can be found at the ASME Journal of Biomechanical Engi- Nominations should be sent well in the URL http://www.public.iastate.edu/ neering. He served as president of the advance of the IMECE. ~usnctam/. Comments and suggestions Society of Biomedical Engineering (’83), S. A. BERGER, Chair should be sent to Jim Hill at jchill@ ias- vice-president of the SES. In the same tate.edu. year, 1979, he was, simultaneously, Chair USNC/TAM officers for 1997–98: of the Executive Committees of the Chair Earl Dowell Applied Mechanics Divisions of the Journal of Applied Vice Chair Roben Brodkey ASME and the ASCE! Past Chair Gary Leal Dr. Skalak was the recipient of many Mechanics Past Chair J. Tinsley Oden honors and awards from engineering soci- wish to extend my continued gratitude Secretary Philip G. Hodge eties, including the ALZA Medal (Biomed. to the authors, Associate Editors, and Proposal Kits for future IUTAM Sym- Eng. Soc., ’83), the Th. von Karman Medal Ireviewers who have contributed to the posia can be obtained from Phil Hodge at (Eng. Mechs. Div., ASCE, ’87), the success of the Journal. The backlog of Stanford ([email protected]. Poiseuille Medal (Int. Soc. of Biorheol., papers awaiting publication in New York edu). Kits for symposia in 2001-02 will be ’89), and, from the ASME, the Lissner remains low, while the pages allocated to due in early January,1999. Award (Bioeng. Div., ’85) and the Melville the Journal stand at a healthy 1200 per Following is an abbreviated listing of Medal (’90). He was elected to the year. It is an excellent time for authors IUTAM Symposia planned for 1999: National Academy of Engineering in 1988. who are concerned by a long wait for

4 papers to show up in print to submit arti- tionally Graded and Shape Memory cles to the Journal of Applied Mechanics. News from the Materials: Theoretical and Computational The board of Associate Editors, as ever, Models (C. Brinson and J.N. Reddy). plays an important part in the successful Technical Three symposia have been accepted for operation of the Journal of Applied Mechan- the ’98 IMECE: 1) Design and Manufac- ics. An Associate Editor serves for a term Committees turing of Composites (honoring Nick of three years, once renewable, plus an Most committees maintain an open policy Pagano) (A. Roy ); 2) Wave-based Acous- additional year reserved for clearing toward membership. Please contact the tic Emission for the Characterization of paper evaluations. R. Abeyaratne, T.R. Committee Chair if you wish to join or Damage Initiation (A. Mal); and 3) Dam- Akylas, S.A. Berger. X. Markenscoff, S.W. participate in the activities of the Com- age and Durability in Heterogeneous Shaw, and M. Shinozuka completed their mittee. Media (A.M. Sastry and R. Wetherhold). service as Associate Editors on July 1, Proposals for symposia dealing with 1997. We would like to welcome to the • AMD-MD Joint Committee on the mechanics of composites are encour- Editorial Board as new Associate Editors, Constitutive Equations aged for future conferences. R.C. Benson, M.M. Carroll, M.-J. Pindera, At the 1997 IMECE meeting in Dallas, TX, DAVID H. ALLEN, Chair J.R. Barber, K.T. Ramesh, and C. G. 25 committee members came to the techni- Speziale. cal committee meeting. During this meet- • Committee on Computing in In closing, I would like to reiterate my ing four sessions were organized. The thanks to all who have helped to make Committee is sponsoring three symposia Applied Mechanics CONCAM is sponsoring three symposia 1997 a productive year. I look forward to at the 1998 IMECE (Anaheim, CA). The at 98 IMECE: maintaining the high standard of excel- first symposium is on “Scale Effects in lence expected of the Journal in the com- Heterogeneous Materials,” organized by 1. Computational Methods for Solution ing year. Martin Ostoja-Starzewski of the Institute of Inverse Problems (Olsen & Sagal) LEWIS WHEELER, Technical Editor of Paper Science & Technology in Atlanta, 2. Computational Methods for Analysis, Georgia. The second symposium is on Design and Simulation of MEMS “Constitutive Relations for Engineering (Pinsky & Aluru) Materials,” organized by A. M. Rajendran 3. Computer Aided Optimization of Non- 1997 Timoshenko Medal of the U.S. Army and Research Laborato- linear Industrial Problems (Saran, (continued from page 1) ry, Aberdeen Proving Ground, Maryland, Noor, Kikuchi) his involvement. He was elected a Fellow and Romesh C. Batra of Virginia Polytech- and is co-sponsoring of the Royal Society in 1992. Among the nic Institute and State University, Blacks- Thermal-Mechanical Effects in Manufac- many contributions Willis has made to burg, Virginia. The third symposium is on turing and Materials Processing, with the our profession is his taking over the reins “Phase Transformations and Active Com- K-15 Committee of the Committee on of the Journal of the Mechanics and posites,” organized by Dimitris C. Heat Transfer in Materials Processing and Physics of Solids at a particularly difficult Lagoudas of Texas A. & M., College Sta- Manufacturing. (Chandra) time in the journal’s history in 1982. He tion, Texas, and N. Bhattacharya of Cal- More information on these symposia quickly returned the journal to its posi- tech, Pasadena, California. and up-to-date information about CON- tion as the premier technical journal in This committee is very active in orga- CAM activities are available on the CON- solid mechanics. nizing ASME symposia on topics related CAM web site A few personal details about John Ray- to modeling the mechanical behavior of http://www.sonic.net/lschwer/ mond Willis. John was born in England, materials. CONCAM/concam.html George Z. Voyiadjis will be rotating off he attended grammar school in Southall, L. SCHWER, Chair Middlesex, and obtained his B.Sc. degree and Martin Ostoja-Starzewski will take in mathematics and his PhD from Imperi- the chair of this Committee effective this al College, London. After a year as a fall. During this Summer nominations • Elasticity Committee research associate at the Courant Institute will be solicited from the committee The Elasticity Committee elected Dimtris in New York, Willis spent the period from members for the vacant position of the Lagoudas of Texas A & M Univ. as the 1965 to 1972 as a researcher in the Depart- vice-chair. The vice chair now serves two Vice-Chair of the committee, welcomed ment of Applied Mathematics and Theo- years and then becomes chair for three two new members and sponsored a Sym- retical Physics at the University of Cam- years. posium, with W. T. Chen as the organizer, bridge. It was during this period that he GEORGE VOYIADJIS, Chair on Electronic Materials for the 1997 carried out much of his early work on IMECE. The committee is also sponsor- ing a Symposium on Active Materials for anisotropic elasticity, interface cracks, and • Composites Committee dislocation mechanics. In 1972 he the 1998 IMECE with Drs. Lagoudas and The AMD Composites Committee cur- Bhattacharya as the co-organizers. assumed the Professorship of Applied rently has 63 active members. As my Mathematics at the University of Bath. term ends on June 30 of this year, I will be R. BATRA, Chair For most of his career, Willis has been replaced by Vice-Chair Yapa Rajapakse as active in the British mechanics communi- the chair for a term of three years. The • Experimental Mechanics Committee ty: organizing meetings, serving in vari- new Vice-Chair is George Kardomateas, First I would like to thank Jeff Suhling ous capacities on journal boards, as con- who was elected at the fall meeting in our outgoing Chair for four years of sultant to the nuclear power and Dallas. excellent service to the committee and aerospace industries, and as a representa- The committee continues to be active in ASME. He continues to help out in the tive to IUTAM. John returned to Cam- organizing symposia, having put together transition. bridge in the early 1990’s as the Professor one symposium at McNU ’97 (Northwest- With twenty people in attendance at its of Theoretical Solid Mechanics in the ern University), and two symposia at the meeting at the 97 IMECE, we can be Department of Applied Mathematics and ’97 IMECE in Dallas: 1) Application of encouraged about the well being of the Theoretical Physics. He is married, and Fiber Composites in Off-Shore and committee. The main items of business at he and his wife have three daughters. Marine Technologies (organized by T.W. this meeting consisted of setting up sym- J. HUTCHINSON Chou and Y.D.S. Rajapakse); and 2) Func- posia for future meetings.

5 It was proposed that the following • Committee on Instability in further promote the long tradition of symposia be included in the program for Solids and Structures excellence our field. the 1998 IMECE: The Committee organized two symposia NICOLAS TRIANTAFYLLIDIS, Chair “Micro-electronic Sensors,” (to be co- for the Joint AMD/MD summer meeting sponsored by the Electrical and Electronic McNU97. Eleven papers were presented Packaging Division) composed of four in the symposium Constitutive Models for • Mechanics Education Committee. sessions to be organized by J. Suhling. Rocks and their Influence on Stability Pre- At the 1997 IMECE, the Committee spon- “Micromechanical Measurements,” dictions, organized by J. Labuz, Y. Leroy, J. sored a symposium entltled “Mechanics in composed of three sessions to be orga- Rudnicki and N. Triantafyllidis. Eight a Restructured Engineering Curriculum”. nized by W. Knauss and K. Liechti. papers were presented in a second sympo- Organized by Dimitris Lagoudas, the two- “Failure Characterization of Interfaces sium organized by E. Corona and S. Kyri- session symposium dealt with mechanics and Functionally Graded Materials” (to akides entitled Plastic Buckling education in the National Science Founda- be co-sponsored by the Fracture Commit- The Committee also participated with a tion’s Coalitions Program. Papers were tee) composed of four sessions to be orga- two session symposium at the 1997 given by presenters from NSF and from nized by H. Tippur. IMECE. The symposium was entitled Texas A&M, Rensselaer Polytechnic and Subsequently we have received word Instability in Nonlinear Microstructured Carnegie Mellon Universities. As with the that four sessions have been approved Media and was co-organized by S. Kyri- committee’s symposium at the 1996 (one each for the first two and two for the akides, P. Ponte-Castaneda and N. Tri- IMECE, the proceedings of Dimitris’ sym- third). antafyllidis. In both the Evanston and Dal- posium has been put on the Web; check The next committee meeting will be las meetings, we had the pleasure of hav- the AMD web page http://www.asme. held at the 1998 IMECE. Current and ing a large number of colleagues from org/divisions/amd. Currently taking prospective members are encouraged to overseas giving presentations, most of shape for the 1998 IMECE is a second two- attend. which had made the trip just to participate session symposium on the 1997 theme KENNETH LIECHTI, Chair at the conference. This is a reassuring sign (again organized by Dimitris), with pre- for the importance of the ASME summer senters from Northwestern, PennState and and winter meetings in the eyes of the perhaps other institutions. In July, George • Fluid Mechanics Committee international community. Johnson will take the helm of the MechEd Our activities in the past year have includ- We participated in two symposia in the Committee, so look for even bigger and ed sponsoring the following symposia at 1998 Thirteenth US National Congress of better things to come. the 1997 IMECE. Applied Mechanics, which was held at THOMAS L. GEERS, Chair (1) “Gas Liquid Flows in Fluid Mechan- the University of Florida in Gainsville ics and Heat Transfer” — which con- from June 21 – 26. The first was a four session symposium entitled Nonlinear • Transportation Committee sisted of 4 sessions jointly sponsored Our symposia “The Crashworthiness, by AMD, HTD, and FED. AMD Mechanics of Composites, co-organized by S. Kyriakides and Y. Rajapakse and Occupant Protection and Biomechanics in sponsored 2 sessions. The organizers Transportation Systems” held at the 1997 were A. Narain, from Michigan the second was a two session symposium entitled Stability Problems in Thermoe- IMECE was very successful. We had 5 ses- Technological University; S. G. si o n s : Kandilakar, from RIT; and U. S. lastic and Frictional Contact, organized Rohatgi, from Brookhaven Nat. Lab. by N. Triantafyllidis. We also plan to par- 1. Vehicle Crashworthiness These were very well attended. The ticipate in two symposia at the 98 2. Components Modeling for Crashwor- proceedings papers appear in the I M E C E . thiness FED-Vol. 244. During both the winter and summer 3. Guardrail, Composite and Collision (2) “Fluid-Structure Interactions, Aeroe- ASME meetings, our technical committee Avoidance Simulation lasticity, Flow Induced Vibrations meets to plan for our future activities and 4. Future Technologies/Systems and Occu- and Noise” — which consisted of 34 to encourage participation from national pant Protection and Biomechanics (two sessions, jointly sponsored by AMD, and international researchers in the field. se s s i o n s ) Those interested in our activities are wel- FED, HTD, NCA, NE, PVP and AD. We had a total of 24 papers from both comed in our TC meetings and are also AMD sponsored 2 sessions on industry and academia. Papers were sub- encouraged to contact the committee “Numerical Methods in Fluid-Struc- mitted by authors from the U.S, Europe chair at any time to share their ideas and ture Interactions.” The general orga- and India. We had an attendance of 20-30 volunteer their help. nizer was M. P. Paidoussis, from people per session in the first three and We have some more good news to McGill University, and the AMD ses- about 70 people per session in the fourth share about the recently established W. T. sion organizers were T. C. Corke and and fifth ones. This attendance is about Koiter Medal, which will be awarded D. R. Williams, from the Illinois twice as high as what we had in Atlanta annually, by the ASME. The first medal Institute of Technology. The AMD in 1996. The five sessions were chaired by went to Prof. Koiter himself, to acknowl- (2) sessions were extremely well attend- Dusan Kecman, Majeed Bhatti, John Reid, edge his seminal lifetime contributions in ed (in excess of 80 in the audience). Saeed Barbat and Adnan Nayfeh respec- Solid Mechanics. The second Koiter The proceedings papers appear in tively. the AD-Vol 53-1. Medal will be awarded to Prof. Viggo Tvergaard, of the Solid Mechanics HIKMAT MAHMOOD, Chair The Committee also elected a new Vice- Department of the Technical University of Chair, Amitabh Narain, from the Michi- Denmark in Lyngby. Prof. Tvergaard is a gan Technical University. Finally, the worthy continuator of the school of Committee welcomes nominations for all thought established by the late Prof. Koi- ASME awards and honors for contribu- ter and a significant portion of his work tions in fluid mechanics, and any sugges- involves applications of stability theory to tions for future symposia at AMD Sum- a very wide class of problems in solid mer Conferences and IMECEs. mechanics. Our TC applauds this well THOMAS C. CORKE, Chair deserved award and hopes that it will

6 Future Meetings World Wide Web URLs 1998 IMECE (ASME, Winter Annual Meeting) November 15–20, 1998. The following symposia copy of this Newsletter may now be accessed will be sponsored by the Applied Mechanics Divi- electronically through the Applied Mechanics sion at the 1998 IMECE (Winter Annual Meeting Division homepage. We welcome your feed- of ASME), November, Anaheim Hilton & Towers, A Anaheim California, AMD program chair: Profes- back and suggestions on how the web-version of the sor Thomas Hughes at hughes@am-sun2. newsletter can best be structured to suit your needs. stanford.edu Contact information for AMD Executive Committee Please contact the individual organizer for more members and Technical Committee chairs can be information on the individual symposia. For brevity, only one of the organizers for each sym- found on the AMD homepage. posium is listed as the point of contact. ASME Homepage Computing Methods for Solution of Inverse Problems in Mechanics, L. Olson, [email protected], 402 http://www.asme.org 472 5082 Constitutive Relations for Engineering Materials, A. Applied Mechanics Division Rajendran, 410-306-0800 http://www.asme.org/divisions/amd/index.html Phase Transformations and Active Composites, D. Lagoudas, [email protected] Miromechanics and Laminate Analysis: A Symposium in Honor of Dr. N. Pagano's 65th Birthday, A. Roy, [email protected], 937 255 9104 Applied Mechanics Division Crashworthiness, Occupant Protection and Biomechanics in Transportation, H. Mahmood, mahmood@alp558. Executive Committee Elasticity Administrative Committees sr1.ford.com, 313 594 2300 Stability in Solids and Structures, S. Kyriakides, 1997-1998 Professor Romesh C. Batra Representatives to the Operating Virginia Polytechnic Institute [email protected], 512 471 4176 Chair Board Micromechanical Failure in Composites, A. Waas, Professor Stanley A. Berger (540) 231-6051 C. T. Herakovich [email protected] [email protected], 734 764 8227 University of California S. A. Berger Acoustic Microscopy for Material Characterization, 510-642-5950 Experimental Mechanics Recording Secretary of the T. Kundu, [email protected], 520 621 6573 [email protected] Professor Kenneth Liechti Executive Committee Shock Waves, Dynamic Failure and Phase Transformation University of Texas in Solids, K.T. Ramesh, [email protected] Vice Chair & Publications Prof. Panos Papadopoulos (512) 471-4164 Computational Methods for Analysis, Design and Simula- Committee Chair University of California, [email protected] Berkeley tion of MEMS, P. Pinsky, [email protected], Professor Lallit Anand 415 723 9327 Massachusetts Institute of (510) 642-3358 Computer Simulation/Optimization of Industrial Process- Fluid Mechanics [email protected] Technology Professor Thomas C. Corke es, M. J. Saran, [email protected], 216 368 6485 617-253-1635 Illinois Institute of Technology Recording Secretary of the Failure Characterization of Interfaces and Functionally Graded Materials, H. Tippur, [email protected]. [email protected] (312) 567-3184 General Committee [email protected] edu, 334 844 3327 Program Committee Chair Prof. Sanjay Govindjee Micromechanics Measurements, W.G. Knauss, University of California, Professor Alan Needleman Fracture Mechanics [email protected], 626 395 4524 Berkeley Professor G. Ravichandran Scale Effects in Heterogeneous Materials, M. Ostoja- (510) 642-6060 (401) 863-2863 California Institute of Starzewski, [email protected], 404 894 6646 [email protected] [email protected] Te c h n o l o g y Innovative Computational Methods Applied to Linear (818) 395-4525 Honors Committee Structural Mechanics, A.J. Kalinowski, 860-440-4728 Innovations in Industrial Actuator Design, F. Program Committee Vice Chair [email protected] S. A. Berger, Chair Professor Thomas J. R. Hughes Golnaraghi, [email protected], Stanford University Geomechanics Awards Nomination Committee 519 885 4753 (650) 723-2040 Professor Ching S. Chang J. Tinsley Oden, Chair Mechanics in a Restructured Engineering Curriculum, [email protected] University of Massachusetts University of Texas D. Lagoudas, [email protected] (413) 545-5401 (512) 471-3312 Role of Novel Experimental Methods in Understanding the Fracture and Failure of Solids, W. Chen, chenwt@ Secretary [email protected] [email protected] Professor Dusan Krajcinovic endvm5.vnet.ibm.com, 607 757 1320 Timoshenko, Koiter, Drucker Emerging Topics in Fracture and Failure, H. Gao, gao@ Arizona State University Instability in Solids and Medal Committee (602) 965-8656 Structures ecs.umass.edu, 413 545 0868 S. A. Berger, Chair Durability and Damage Tolerance of Heterogeneous Mate- [email protected] Professor Nicolas Triantafyllidis U.S. National Committee on rials, A.M. Sastry, [email protected], 313 764 3061 Technical Committee Chairs University of Michigan Theoretical and Applied Mechanics ASME Mechanics and Materials Conference AMD-MD Joint Committee on (313) 763-2356 C. T. Herakovich 1999, June 27 – 30, Virginia Polytechnic Institute Constitutive Equations [email protected] and State University, Blacksburg Virginia Professor George Z. Voyiadjis Editorial Board Materials Processing and Co-chair R. C. Batra, [email protected], online infor- Louisiana State University Technical Editor Manufacturing mation is available at the website http://www. (504) 388-8668 Journal of Applied Mechanics Professor Tess J. Moon esm.vt.edu/mmconf/ [email protected] University of Texas Professor Lewis T. Wheeler (512) 471-0094 University of Houston ASME International Mechanical Engineering Composite Materials [email protected] (713) 743-4519 Congress and Exposition 1999, November 14 – Professor David H. Allen 19, 1999, Nashville Tennessee Editor-in-Chief Texas A&M University Mechanics Education Applied Mechanics Reviews Summer 2000: IUTAM International Congress (409) 845-1669 Professor Thomas L. Geers Professor Arthur W. Leissa on Theoretical and Applied Mechanics, August [email protected] University of Colorado Ohio State University 27 – September 2, 2000, Chicago Illinois (303) 492-6355 Computing in Applied Mechanics (614) 292-2680 Chair: Hassen Aref, www.tam.uiuc.edu/ [email protected] ICTAM2000 Dr. Len Schwer Editor Schwer Engineering & Transportation Applied Mechanics Newsletter ASME International Mechanical Engineering Consulting Services Dr. Hikmat F. Mahmood Professor Lori Graham Congress and Exposition 2000, November 5–10, (707) 541-3906 Ford Motor Company University of Virginia 2000, Orlando Florida [email protected] (313) 594-2300 (804) 924-3930 Procedures for Requesting AMD-Sponsored [email protected] Dynamics and Control of [email protected] Sessions at IMECE’s or Summer Meetings. See Structures and Systems Wave Propagation ASME Staff / AMD Technical the AMD homepage (URL http://www.asme. Professor Anil K. Bajaj Professor Stanislav I. Rokhlin Administrator org/divisions/amd/index.html). The next round Purdue University Ohio State University A.J. Majewski of requests should be made to Professor Dusan (317) 494-6896 (614) 459-7785 (212) 591-7284 Krajcinovic at [email protected] for the 1999 IMECE [email protected] [email protected] [email protected] (WAM) to be held in Nashville.

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