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Influence of the Spatial Pressure Distribution of Breaking Wave
Journal of Marine Science and Engineering Article Influence of the Spatial Pressure Distribution of Breaking Wave Loading on the Dynamic Response of Wolf Rock Lighthouse Darshana T. Dassanayake 1,2,* , Alessandro Antonini 3 , Athanasios Pappas 4, Alison Raby 2 , James Mark William Brownjohn 5 and Dina D’Ayala 4 1 Department of Civil and Environmental Technology, Faculty of Technology, University of Sri Jayewardenepura, Pitipana 10206, Sri Lanka 2 School of Engineering, Computing and Mathematics, University of Plymouth, Drake Circus, Plymouth PL4 8AA, UK; [email protected] 3 Faculty of Civil Engineering and Geosciences, Delft University of Technology, Stevinweg 1, 2628 CN Delft, The Netherlands; [email protected] 4 Department of Civil, Environmental and Geomatic Engineering, Faculty of Engineering Science, University College London, Gower Street, London WC1E 6BT, UK; [email protected] (A.P.); [email protected] (D.D.) 5 College of Engineering, Mathematics and Physical Sciences, University of Exeter, Exeter EX4 4QF, UK; [email protected] * Correspondence: [email protected] Abstract: The survivability analysis of offshore rock lighthouses requires several assumptions of the pressure distribution due to the breaking wave loading (Raby et al. (2019), Antonini et al. (2019). Due to the peculiar bathymetries and topographies of rock pinnacles, there is no dedicated formula to properly quantify the loads induced by the breaking waves on offshore rock lighthouses. Wienke’s formula (Wienke and Oumeraci (2005) was used in this study to estimate the loads, even though it was not derived for breaking waves on offshore rock lighthouses, but rather for the breaking wave loading on offshore monopiles. -
'British Small Craft': the Cultural Geographies of Mid-Twentieth
‘British Small Craft’: the cultural geographies of mid-twentieth century technology and display James Lyon Fenner BA MA Thesis submitted to the University of Nottingham for the degree of Doctor of Philosophy August 2014 Abstract The British Small Craft display, installed in 1963 as part of the Science Museum’s new Sailing Ships Gallery, comprised of a sequence of twenty showcases containing models of British boats—including fishing boats such as luggers, coracles, and cobles— arranged primarily by geographical region. The brainchild of the Keeper William Thomas O’Dea, the nautical themed gallery was complete with an ocean liner deck and bridge mezzanine central display area. It contained marine engines and navigational equipment in addition to the numerous varieties of international historical ship and boat models. Many of the British Small Craft displays included accessory models and landscape settings, with human figures and painted backdrops. The majority of the models were acquired by the museum during the interwar period, with staff actively pursuing model makers and local experts on information, plans and the miniature recreation of numerous regional boat types. Under the curatorship supervision of Geoffrey Swinford Laird Clowes this culminated in the temporary ‘British Fishing Boats’ Exhibition in the summer of 1936. However the earliest models dated back even further with several originating from the Victorian South Kensington Museum collections, appearing in the International Fisheries Exhibition of 1883. 1 With the closure and removal of the Shipping Gallery in late 2012, the aim of this project is to produce a reflective historical and cultural geographical account of these British Small Craft displays held within the Science Museum. -
Life of William Douglass M.Inst.C.E
LIFE OF WILLIAM DOUGLASS M.INST.C.E. FORMERLY ENGINEER-IN-CHIEF TO THE COMMISSIONERS OF IRISH LIGHTS BY THE AUTHOR OF "THE LIFE OF SIR JAMES NICHOLAS DOUGLASS, F.R.S." PRINTED FOR PRIVATE CIRCULATION 1923 CONTENTS CHAPTER I Birth; ancestry; father enters the service of the Trinity House; history and functions of that body CHAPTER II Early years; engineering apprenticeship; the Bishop Rock lighthouses; the Scilly Isles; James Walker, F.R.S.; Nicholas Douglass; assistant to the latter; dangers of rock lighthouse construction; resident engineer at the erection of the Hanois Rock lighthouse. CHAPTER III James Douglass re-enters the Trinity House service and is appointed resident engineer at the new Smalls lighthouse; the old lighthouse and its builder; a tragic incident thereat; genius and talent. CHAPTER IV James Douglass appointed to erect the Wolf Rock lighthouse; work commenced; death of Mr. Walker; James then becomes chief engineer to the Trinity House; William succeeds him at the Wolf. CHAPTER V Difficulties and dangers encountered in the erection of the Wolf lighthouse; zeal and courage of the resident engineer; reminiscences illustrating those qualities. CHAPTER VI Description of the Wolf lighthouse; professional tributes on its completion; tremor of rock towers life therein described in graphic and cheery verses; marriage. CHAPTER VII Resident engineer at the erection of a lighthouse on the Great Basses Reef; first attempts to construct a lighthouse thereat William Douglass's achievement description of tower; a lighthouse also erected by him on the Little Basses Reef; pre-eminent fitness of the brothers Douglass for such enterprises. CHAPTER VIII Appointed engineer-in-chief to the Commissioners of Irish Lights; three generations of the Douglasses and Stevensons as lighthouse builders; William Tregarthen Douglass; Robert Louis Stevenson. -
On the Road Again ... Heading North
Newsletter of The Delaware Bay Lighthouse Keepers and Friends Association, Inc. Volume 37 Issue 16 “Our mission is to preserve the history of the Winter 2018 Delaware Bay and River Lighthouses, Lightships and their Keepers” ON THE ROAD AGAIN ... HEADING NORTH Having never been to the Eastern Maritime Provinces of Canada, we decided to sign up for a nine day bus tour of New Brunswick, Nova Scotia and Prince Edward Island. After traveling north and going through customs, we crossed the US/Canadian border at Calais, Maine. Moving our watches one hour ahead to Atlantic Daylight Saving Time, we proceeded to the Hilton Hotel in St. John, New Brunswick. Our hotel was located on the Bay of Fundy noted for its drastic tide changes. The tide ebbs or rises one foot every 15 minutes. Another feature of this Bay is the “reverse falls;” when the tide ebbs, the water flows UP the falls…strange indeed. Two of New Brunswick’s earliest recorded lighthouses are both located on the Bay of Fundy. One, Campobello Island Light (a), was constructed on the island where President Franklin Roosevelt spent his summers. This lighthouse is accessible on foot only at low tide. The other located on the Bay of Fundy is the eight meter tall Cape Enrage Light built in 1848. The majority of Canadian lighthouses are red and white so they can easily be seen during the heavy winter snowstorms. New Brunswick boasts of over 90 lighthouses. We crossed from St. John, NB to Digby, Nova Scotia by ferry and continued on to Wolfville, NS. -
U.S. Lake Erie Lighthouses
U.S. Lake Erie Lighthouses Gretchen S. Curtis Lakeside, Ohio July 2011 U.S. Lighthouse Organizations • Original Light House Service 1789 – 1851 • Quasi-military Light House Board 1851 – 1910 • Light House Service under the Department of Commerce 1910 – 1939 • Final incorporation of the service into the U.S. Coast Guard in 1939. In the beginning… Lighthouse Architects & Contractors • Starting in the 1790s, contractors bid on LH construction projects advertised in local newspapers. • Bids reviewed by regional Superintendent of Lighthouses, a political appointee, who informed U.S. Treasury Dept of his selection. • Superintendent approved final contract and supervised contractor during building process. Creation of Lighthouse Board • Effective in 1852, U.S. Lighthouse Board assumed all duties related to navigational aids. • U.S. divided into 12 LH districts with inspector (naval officer) assigned to each district. • New LH construction supervised by district inspector with primary focus on quality over cost, resulting in greater LH longevity. • Soon, an engineer (army officer) was assigned to each district to oversee construction & maintenance of lights. Lighthouse Bd Responsibilities • Location of new / replacement lighthouses • Appointment of district inspectors, engineers and specific LH keepers • Oversight of light-vessels of Light-House Service • Establishment of detailed rules of operation for light-vessels and light-houses and creation of rules manual. “The Light-Houses of the United States” Harper’s New Monthly Magazine, Dec 1873 – May 1874 … “The Light-house Board carries on and provides for an infinite number of details, many of them petty, but none unimportant.” “The Light-Houses of the United States” Harper’s New Monthly Magazine, Dec 1873 – May 1874 “There is a printed book of 152 pages specially devoted to instructions and directions to light-keepers. -
Issue 12 Northern Light S
Issue 12 Northern Light s INSIDE Rattray Head Lighthouse PLUS Textiles in Shetland A Walk in Deerness Up Helly Aa in the past Operated by NorthLink Ferries on board magazine Issue 12 Contents Welcome As is the case every year, the latter has shipped significant volumes Pet-friendly cabins 04 of livestock off island in September and October via local sales at Orkney and Shetland Marts and mainland sales at Aberdeen & Staff Profile – Tanya Sim 05 Northern Marts based at Thainstone, Inverurie and we take great pride in our role in this process. The future is bright for 06 Shetland textiles Throughout we have regularly communicated with our key industry contacts to make sure the capacity we provide has been suitable A Walk in Deerness 08 to meet demand. My thanks go to Kris Bevan who with his freight team and all my colleagues both ship and shore deliver this vital Blow away the cobwebs at 10 logistics operation. Rattray Head Lighthouse Close contact is maintained with Orkney and Shetland Resilience Planning Groups, a vital and effective communications network of Why generations of 12 key public and private sector organisations, working together to families keep returning ensure we are all sighted on emergent issues, trends or concerns. to River Thurso Whilst Covid-19 is a challenge for us all, it is heartening to be part of a framework of individuals working to ensure the safety of others Up Helly Aa through 14 during these times. the years My Commercial Director, Jim Dow, remains in close liaison with Greyhope Bay – a new 16 VisitScotland and other marketing led organisations to ensure that attraction for Aberdeen when the sun does appear from behind the clouds that we are and remain ready to welcome visitors to the Northern Isles. -
Former Fellows Biographical Index Part
Former Fellows of The Royal Society of Edinburgh 1783 – 2002 Biographical Index Part Two ISBN 0 902198 84 X Published July 2006 © The Royal Society of Edinburgh 22-26 George Street, Edinburgh, EH2 2PQ BIOGRAPHICAL INDEX OF FORMER FELLOWS OF THE ROYAL SOCIETY OF EDINBURGH 1783 – 2002 PART II K-Z C D Waterston and A Macmillan Shearer This is a print-out of the biographical index of over 4000 former Fellows of the Royal Society of Edinburgh as held on the Society’s computer system in October 2005. It lists former Fellows from the foundation of the Society in 1783 to October 2002. Most are deceased Fellows up to and including the list given in the RSE Directory 2003 (Session 2002-3) but some former Fellows who left the Society by resignation or were removed from the roll are still living. HISTORY OF THE PROJECT Information on the Fellowship has been kept by the Society in many ways – unpublished sources include Council and Committee Minutes, Card Indices, and correspondence; published sources such as Transactions, Proceedings, Year Books, Billets, Candidates Lists, etc. All have been examined by the compilers, who have found the Minutes, particularly Committee Minutes, to be of variable quality, and it is to be regretted that the Society’s holdings of published billets and candidates lists are incomplete. The late Professor Neil Campbell prepared from these sources a loose-leaf list of some 1500 Ordinary Fellows elected during the Society’s first hundred years. He listed name and forenames, title where applicable and national honours, profession or discipline, position held, some information on membership of the other societies, dates of birth, election to the Society and death or resignation from the Society and reference to a printed biography. -
Exhibition Review
Essay Digest Exhibition review either from her history (such as she could SHINING LIGHTS EXHIBITION: in the optimum number for the greatest give) or physical examination, and all my THE STORY OF SCOTLAND’S coverage of the thousands of miles of wild tests were negative. I requested a LIGHTHOUSES Scottish coastline, a possible metaphor for domiciliary psychogeriatric consultation, National Museum of Scotland, how to spread precious resources to and sweated blood over my referral letter. Edinburgh until 3 April 2011 minimise inequalities in the NHS ... In return I got a charming letter, whose www.nms.ac.uk/shininglights The variety of lenses and mirrors opening paragraph made me wish myself providing the power for the lights which at the bottom of a very deep dark hole. It This exhibition marks the bicentenary of the ultimately guided the ships to safer waters read: lighting of the world’s oldest rock were the result of cutting-edge technology lighthouse — the Bell Rock which lies excelled at by the French. One of the best ‘Dear Dr Lasserson, Thanks so much 12 miles off Arbroath in the North Sea. The known examples is the Fresnel lens, an for asking me to see this interesting museum’s collection of lighthouse-related awesome structure of sharp angles and lady, and for your most helpful letter. I objects was mainly assembled in the late beauty taking centre stage on the exhibition must say that my first impression was 19th century and is a remarkable testament floor. that she could well be hypothyroid to some very special individuals who Alongside the science are the very and, indeed, her thyroid function tests devoted themselves to saving lives by human stories of the many keepers of the confirm this …’. -
NELL NEWS July/August
NELL NEWS July/August Happy 4th NELL T-Shirts with a New Logo These shirts are available in S, M, L, XL and XXL They come in a variety of colours Merchandise chairs Ellen & Bob Granoth have limited stock but these shirts can be ordered in any size and the colour of your choice [email protected] June 2019 NELL Members: The following is updated information regarding our trip to Downeast Maine the weekend of September 20-22, 2019. Everyone is required to have a passport book or card if crossing to/from Campobello Island, or if you plan to visit any other area in Canada. Saturday, September 21, 2019 9:00 AM- NoonEastport Windjammers, 104 Water Street, Eastport, ME will take us on a Cruise out ofEastportto view Lubec Channel Lighthouse, Mulholland Lighthouse, West Quoddy Head Light, and Head Harbour Light Station (East Quoddy), along with four (4)lights in New Brunswick, CA (if the weather cooperates): Southwest Wolf Island Lighthouse, Pea Point Lighthouse, Green's Point (Letete Passage) Lighthouse, and Bliss Island Lighthouse. We’ll also see the Old Sow, the largest tidal whirlpool in the western hemisphere. The cruise will be approximately three (3) hours. As the boat has a maximum capacity of 49 passengers, it is essential that you confirm your attendance with Linda Sherlock as soon as possible to reserve your spot. 12:30 PM – 2:30 PMLunch and Business Meetingat the Robbinston Historical Society, 505 U. S Route 1, Robbinston, ME. Lighthouse aficionado and editor and publisher of Lighthouse Digest magazine, Timothy Harrison, will be our guest speaker.Lunch will be provided. -
Thomas Stevenson, Civil Engineer, 22.07.1818 – 08.05.1887
Thomas Stevenson, Civil Engineer, 22.07.1818 – 08.05.1887 Thomas Stevenson was the youngest son of engineer Robert Stevenson 1771-1850, designer of the Bell Rock and Isle of May Lighthouses, and the brother of engineers Alan and David Stevenson. Between 1854 and 1886, Thomas designed over thirty lighthouses with both his brother David and nephew David Alan Stevenson. Thomas Stevenson’s greatest achievement was the designing of a revolving light which earned him an international reputation. In addition to his innovative work as a lighthouse and harbour engineer, Thomas Stevenson invented the Stevenson screen used in meteorology as a shelter to shield meteorological instruments to enable accurate weather measurements to be taken. Thomas married Margaret Isabella Balfour and their only son, Robert Lewis Balfour Stevenson, was born in 1850. At about the age of eighteen, Robert changed the spelling of his middle name to Louis (pronounced Lewis). Expected to follow in his father’s footsteps and to join the family engineering business, R L Stevenson enrolled as an engineering student at Edinburgh University in November 1867. R L Stevenson spent the month of July 1868 in Anstruther observing as part of his engineering training, the work being carried out by the family firm of D & T Stevenson on Anstruther Harbour. He lodged with carpenter Baillie Brown in Cunzie House, Crail Road, opposite St Adrian's Church. A plaque on the side of the house records his stay. Stevenson wrote later: ‘though I haunted the breakwater by day, and even loved the place for the sake of the sunshine, the thrilling seaside air, the wash of waves on the sea-face, the green glimmer of divers’ helmets far below, the musical clinking of the masons, my one genuine preoccupation lay elsewhere’. -
Roundtrip Scotland 2018
ROUNDTRIP SCOTLAND 2018 Reisedetails Schottland 2018 Copyright © All Rights Reserved | Powered by suncatchtravel Freitag 27. Juli 18 - ZRH- LCY- Euston station Flug von Zürich nach London Buchungsreferenz: xxx Freitag 27.07.2018 (Swiss) Abflug Zürich 6:40 Ankunft London City 7:20 (Classic - K) Reisedauer 1 h 40 min Sitzplatz xx Zug von London City nach Euston Station Virgin Train Tickets Freitag 27. Juli 18 - Ablauf Tag 1 Glasgow Glasgow hat eine bewegte Geschichte hinter sich, die ihre Spuren hinterlassen hat. Durch seine Lage am schiffbaren Teil des Flusses Clyde wurde Glasgow, die Second City of the Empire, durch den Schiffbau und den Handel mit der neuen Welt geprägt. Die Merchant City, das Stadtviertel der Tabakbarone, zeigt noch heute das aus der Neuen Welt übernommene Schachbrettmuster. Während der Weltkriege war Glasgow eine verrauchte Millionenstadt mit einer großen Konzentration an Schwerindustrie. Mit dem Niedergang der Schwerindustrie sank die Einwohnerzahl. In den 1990er Jahren fanden umfangreiche Stadterneuerungsarbeiten statt, so dass viele Teile der Innenstadt nun in neuem Glanz erstrahlen. 1990 wurde Glasgow zur European City of Culture, 1999 als UK City of Architecture and Design und 2003 als European City of Sport gewählt. In dieser Stadt voller Kontraste ist es jedoch ein Leichtes, auch Stellen zu finden, an denen diese Erneuerung spurlos vorrüber ging. The pub! Some of my favourite bars for local flavour in the city centre are: • The Pot Still: famous for its wide range of whiskies – come here for a dram you’ll never -
Lightship Tragedy
Digest>Archives> September 2009 Featured Products Lightship Tragedy Subscribe Home Trapped Crew Could Not Be Rescued - Lone Survivor Clung to Ship for to Lighthouse Digest Eight Hours Editorial By Timothy Harrison Comments? Doomsday List Shop Online -Being a crewman stationed on a News Tips lightship was considered the most dangerous duty by nearly every Subscribe lighthouse organization in the world. USLHS Marker Fund This was because, regardless of the Change of Address weather, a lightship was not allowed to leave its station. It was assigned a Customer Service particular location because it was with too dangerous or impractical to build a How You Can Help lighthouse at the site. Grave Marker Program Lighthouse Jewelry Lighthouse Digest Online >> Click to enlarge << The lone survivor, Ronald Murton, from a ... Lighthouse Digest Archives Lighthouse Database Lightship disasters were not uncommon. The Nantucket Lightship Support Our Advertisers LV117 was rammed by the RMS Olympic in 1934 and sank with the Lighthouse Service Sweatshirt Advertise with Us loss of some of its crew. A hurricane in September of 1944 sank the Vineyard Writer's Guidelines Lightship with the loss of its entire >> Click to enlarge << crew near Cuttyhunk, Massachusetts. Lighthouse Links Although it was not the weather that caused the demise of the Diamond Shoals Lightship in 1918 off Cape Hatteras, North Carolina; instead it was a German U-Boat that was the culprit. But, generally speaking, it was the weather that was the biggest threat to lightships and their crews. Such was the case on the night of November 26- 27, 1954 when tragedy struck Trinity House’s South Goodwin Lightship just north of the narrowest point of the Straits of Dover in England.