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96th SNAME Annual Meeting — A Preview (continued) the design of such vessels. Applying environmental and operational loads and the analysis of structural response, the procedure has consid- erable potential for structural weight savings. Additionally, an ex- tensive reference list is included as well as comparisons to existing ves- sels and codes. 2:30 p.m.—"Prediction and Measurement of the Performance of Free-Flooding Ship Antirolling Tanks," by William C. Webster, John F. Dalzell and Roderick A. Barr. During the 1986-1987 CV-41 Mo- tions Improvement Program, pas- sive antirolling tanks were consid- ered for ship roll motions reduction. Ship arrangements dictated the use of free-flooding type tanks with water "cross-over" external to the ship. This presentation addresses the primary problems faced in the engineering assessment of such tanks, the lack of quantitative per- formance data and of methods of predicting tank performance and tank impact on ship resistance. Mercury Ballroom 9 a.m.—"New Models for Mini- mal Time Ship Weather Routing," Circle 191 on Reader Service Card A.L. Don proudly introduces the 'Next Step' in Pilot Ladders J A.L. Don now offers a new and greatly improved pilot ladder with a patented clamp- ing device for easy & quick step re- placement. .. even on board ship. Additional features include a newly designed, non-skid surface... Steps are painted international safety or- ange ... Synthetic polypro-dacron suspension ropes with a white outer jacket and orange inner safety core... Steps & clamps made from Dupont® High Impact strength Surlyn HR Our new lad- ders are U.S.C.G. approved and meet or exceed all SOLAS regula- tions and IMO standards. A.L. Don Pilot Ladders are available coast-to- coast. And. best of all, our competi- tion can't match our low prices. For free information & literature call: Headquarters: A.L. Don Co. A division of Steelstran Ind. One Don Plaza, Dock .Street Matawan. New Jersey 07747 (201) 541-5330 • (201) 541-5335 Telex: 139374 Fax: 201-541-9555 A.L. Don, Southeast Indusco 429 "ftllvrand Avenue Jacksonville. FL 3220] (904) 355-3423 A.L. Don, Mid-Atlantic Wm. H. Swan & Sons. Inc. 1330 Azalea Garden Road Norfolk. VA 23502 (804)855-4711 In Washington, Oregon and California call 1-800-458-5722. AO^DOCC AIR CONDITIONING & REFRIGERATION » Cruise ship's air conditioning • Authorized Dunham Bush Representative » Air conditioning machinery • Packaged air conditioning units » Refrigeration machinery • Refrigerators, freezers, ice cubers • Walk-in coolers and freezers • Service/parts available worldwide • Stocking warehouse for parts/refrigerants • Drawings/surveys • Control room dehumidification systems ADRICK MARINE CORP. Adrick Cooling Corp. 320 Cantor Ave. Linden, NJ 07036 201/862-5944 FAX 201/862-2209 by Anastassios Perakis and Ni- kiforos Papadakis. Three models for minimal time ship weather routing are presented, for stationary, time-dependent (but known) and probabilistic weather conditions, respectively. These models allow for prohibited sailing regions (land or other constraints), intermediate destinations with time delays, and updated weather infom- ration (for the probabilistic case). Mathematical techniques from the calculus of variations, dynamic pro- gramming and optimal control are used. 10:30 a.m.—"Performance Analysis of a Small Racing Boat in Smooth Water and its Design Appli- cation," by Atsuo Yazaki, Suke- tou Wakamatsu, Tetsuo Tago- ri, Michio Nakato, Hiroharu Kato, Hiaku Tanaka and Mit- suhiro Abe. 2:30 p.m.—"The Reconstruction of SS Matsonia: Trailership to a Combination Container and RO/RO Ship," by Ronald F. Briggs, Christopher T. Clement and Peter A. Fisher. Originally designed as a pure trailership, the Matsonia was recon- structed as a combination contain- er-RO/RO vessel to suit the West Coast-Hawaii trade, entering ser- vice in late 1987. This presentation traces the economic analysis, design evolution, reconstruction system, equipment reactivation and early operational experience of the ship and discusses many of its unique features. Company Booth AB Bo's Marine 223 Action Threaded Products 317 Alfa-Laval 224 Allied Marine Crane 112 Alma Marine 646 American Management Systems 325 American United Marine 638-646 Ameron 410 Amp 722 Appleton Marine 834 Arctec Offshore 831 ASEA Brown Boveri Turbocharger 504 Beemar Engineering 400 Bornemann Pumps 810 BP North America Petroleum 804 CAE Electronics 712 Capital Lighting Products 819 Caterpillar 736 Cedarvall & Soner 225 Centrico 828 Channel Bluff CISCO 214 Ciserv 226 Crane Resistoflex 421 Crossfield Products 138 CTI Industries 231 Cummins Engine 830 Cunningham Marine/Tenfjord 405 David Taylor Research Center 215 Deutsch Metal Components 130 Diab-Barracuda 323 Diversified Technologies 811 Electromatic Equipment 838 Envirovac 311 Equipment Engineering 503 Exxon 324 FCS 404 Furuno USA 708 Golar Metal 815 Golten Marine 406 Gotaverken Arendal 227 Henri Systems Holland 642 Hitco 515 Ian Conrad-Bergen 813 IMO Delaval-Gem Sensors 724 In-Place Machining 805 (continued) Circle 230 on Reader Service Card Circle 251 on Reader Service Card 26 Maritime Reporter/Engineering News