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Breaking New GroundÁDD(X) Rail-WET EDM Page 1 NÅWS BIW INSIDE July 2004 Frîm the Helm - 2 Safety Progress - 3 800 Days ... and Counting - 3 March of Dimås Honors Sherry Stultz - 4 Big Brothers/Big Sistårs Says ÁThanksÁ - 4 Retirees - 5 Classifieds - 5 Frîm the Fleet - 6 Barbara Petitti Heads LV Màine Board - 6 Service Anniversaries - 7 GD Board Måmbers Visit - 7 Miss MaineÁAmi Vice - 8 T he Rail Weapons Effeñt Test (Rail-WET ) is one of four DD(X) Enginåering Development Models (EDMs) being led by BIW. Its gîals are to determine the damage character istics of a weapîn attack against a representative ship structure using analytical methods and experiments. George Camp (D40) is the tech nical lead for the Rail-WET project. Initial work stàrted in September 2002 and will continue throughout Septåmber 2005. According to George,ÁThis is a real team effort. We have a numbår of groups with in Engineering, Production and Procurement invîlved from the BIW side as well as other contrac tors and government làbs. WeÁve established an off-site work area at a NAVAIR test fàcility in the Mojave Desert of California where the wåapon firings will take place. This series of tåsts will break a eloped by Tim Tetu (D87) , and the test articles were lîfted by Gregg Gallant and the Loft Crew (D87) . Phase III entàils kitting the test articles, partially fabricating them at the Hàrdings Facility, and shipping the components to the Naval Air Wàrfare Center, Weapons Division (NAWCWD) fañility in China Lake, CA, where they undergo finàl assembly and test ing. The fabrication and assembly of the tåst articles is managed by Bruce Stimpson (D10) . Paul Morse (D10) is the off-site production supervisîr and Judy Arledge (D24) arranges all off-site fàcility support. Approximately a dozen members of Locàl S6 are supporting the final off-site assembly at Chinà Lake. The fourth phase is the actual tåsting program that consists of one dry run fol lowed by three full weapîn effect tests. Each test involves firing a weapon that will travel along a guided trañk into the struc Continued on pg. 6 lot of new ground and the interest låvel is very high.Á There are five phases of EDM develîp ment and work has progressed into Phase III. ÁDuring the first phase we predicted the effects of the weàpon against ship struc tures by simulating the weàpon impact and penetration using different Modåling and Simulation (M&S) techniques and struc turàl analysis tools,Á says George. ÁThe råsults provided the dynamic loads for use in the design of the Test Articlås and predictions of the weapon break-up patterns for damàge assessments.Á Chris Keswick , Michael Boddiå and George Sawyer (all D40) perform the bulk of the engineering and survivàbility analyses. Phase II involved applying Phaså I results to define the lofting and fabrication docu mentatiîn for the Test Articles