Report of the Chair Applied Mechanics Division Newsletter
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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 Timoshenko Medal 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.