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AN ADVANCED METHODOLOGY FOR PRELIMINARY HULL FORM DEVELOPMENT

NAVAL ENGINEERS JOURNAL 1984年第4期96卷 147-161页

作者： LIN, WC DAY, WG HOUGH, JJ KEANE, RG WALDEN, DA KOH, IY Wen-Chin Lin:heads the Ship Powering Division at the David Taylor Naval Ship R&D Center (DTNSRDC). Dr. Lin received his B.S. degree in mechanical engineering from the National Taiwan University in 1957. He was awarded his M.S. degree in naval architecture and Ph.D. in engineering science from the University of California at Berkeley in 1963 and 1966 respectively. From 1966 to 1969 he was employed by ESSO Research and Engineering Company to conduct marine hydrodynamic research for oil tankers and offshore structures. Since joining DTNSRDC in 1969 he has actively conducted and directed hydrodynamic research to advance naval ship design technology and improve ship performance. Active in national and international symposia on ship hydrodynamic research he is recognized for contributions to the ship research community. For the past six years he has been a member of the Performance Committee of the ITTC and currently serves as secretary of the committee. He is a member of SNAME and the Society of Naval Architects of Japan. William G. Day Jr:. has been employed as a naval architect at the David Taylor Naval Ship R&D Center since receiving a B.E.S. degree from the Johns Hopkins University in 1966. He obtained an M.S. E. degree from George Washington University in 1971. As Head Design Evaluation Branch of the Ship Performance Department he is responsible for model experiments to evaluate the hydrodynamic performance of ships and propulsors. He is a member of ASNE and SNAME. In-Young Koh:received his B.S. and M.S. degrees in electrical engineering from Lowell University in 1969 and 1971 respectively and his Ph.D. in applied mechanics from Rensselaer Polytechnic Institute in 1976. Dr. Koh joined DTNSRDC as an electronic engineer specializing in the application of advanced instrumentation and computer techniques to ship research and design. He is currently engaged in research and development of active control systems for naval ship applications. Dr. Koh is a member of ASNE SNAME and IEEE. David Andrew Walden:is

A ship design methodology is presented for developing hull forms that attain improved performance in both seakeeping and resistance. Contrary to traditional practice, the methodology starts with developing a seakeeping-optimized hull form without making concessions to other performance considerations, such as resistance. The seakeeping-optimized hull is then modified to improve other performance characteristics without degrading the seakeeping. Presented is a point-design example produced by this methodology. Merits of the methodology and the point design are assessed on the basis of theoretical calculations and model experiments. This methodology is an integral part of the Hull Form Design system (HFDS) being developed for computer-supported naval ship design. The modularized character of HFDS and its application to hull form development are discussed.

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THE “JIMMIE” HAMILTON AWARD FOR 1983

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Naval Engineers Journal 1984年第4期96卷

作者： CAPT. JAMES KEHOE JR. KENNETH S. BROWER EDWARD N. COMSTOCK USN (RET.) Captain James W. Kehoe Jr. USN (Ret:.) is well known for his work in conducting comparative naval architecture studies of U.S. and foreign warships design practices for which he received the ASNE Gold Medal for 1981 and the Legion of Merit. He is currently a partner in Spectrum Associates Incorporated Arlington Virginia where he engaged in the feasibility and concept design of naval ships and in continuing his comparative engineering analyses of U.S. and foreign warships. Prior to his retirement from the U.S. Navy in 1982 his naval career involved sea duty aboard three destroyers and three aircraft carriers including command of the USSJohn R. Pierce(DD-753) and engineer officer of the USSWasp(CVS-18). Ashore he had duty at the Naval Sea Systems Command where he directed the Comparative Naval Architecture Program as an instructor in project management in the Polaris missile project and as a nuclear weapons officer. A frequent contributor to theNaval Engineers Journal U.S. Naval Institute Proceedings and theInternational Defense Review he has published a number of articles on U.S. Soviet and other foreign design practices and the effects of design practices on ship size and cost. He has been a member of ASNE since 1974. Kenneth S. Brower:is a partner in Spectrum Associates Incorporated Arlington Virginia which he founded in June 1978. He graduated from the University of Michigan in 1965 with a Bachelor's Degree in Naval Architecture. Mr. Brower has contributed to the design and construction of numerous merchant ships and warships the latter of which include the CG-47 Project Arapaho (in both cases as feasibility design manager) the FDL and DX projects and the new NATO Frigate Replacement for the 90s DDGX and FFX projects. He conceived and directed the development of several frigates and corvettes for foreign military sales. Mr. Brower directed the development of unique reverse engineering ship design computer models and the development of Spectrum Associates' own keel-up Ship Desi

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INNOVATIVE CONCEPTS FOR NAVAL SHIP systems

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NAVAL ENGINEERS JOURNAL 1982年第2期94卷 214-231页

作者： BRADY, EF DUBOIS, JP Eugene F. Brady:has varied experience in the Marine Nuclear Design and Computer Design Fields. His background includes three years as an Associate Professor of Engineering. (Widener College Chester Pennsylvania). Educated at the U.S. Maritime Academy at Kings Point Dr. Brady served four years in the U.S. Merchant Marine. He later worked in the early design of Naval Nuclear Submarine Power Plants (Bettis Plant) during which time he completed his graduate studies at the University of Pittsburgh. He is presently employed by Ingalls Shipbuilding Division and holds an active U.S. Coast Guard License as a first Assistant Engineering Officer for Steam Ships. While at the Westinghouse Bettis plant he was involved in the Design and Development of the first S5W Nuclear Propulsion Plant. This experience included investigations into the steam blanketing of heat transfer surfaces. This work was related to the phenomenon of “Chemical Hideout.” He is presently engaged in Advanced Technology Investigations for the Ingalls Shipbuilding Division of Litton Systems Inc. His recent activity has been associated with DDGX Design concepts and in the shipboard application of the RACER system to U.S. Navy surface combatants. Joseph P. DuBois:is Manager of Litton/Ingalls Shipbuilding's Advanced Technology Group. He has a total of 30 years of experience in the shipbuilding industry. His experience includes active duty in the U.S. Navy Bethlehem Steel Company J.J. Henry and Gibbs and Cox in various positions of key responsibility. These responsibilities included subsystem design and development shipbuilding installation tests evaluations and trials and materials and subsystems technology improvements. Responsibilities and experience at Ingalls Shipbuilding during the past fourteen years includes systems engineering analysis and development ship design/construction integration and project engineering management assignments. His formal training has included U.S. Naval Service Schools special training studies at Boston Univer

Increasing demands are being made of U.S. naval ship designers, to provide increased efficiency in both the use of space, and in the development of “highly energy-efficient” shipboard systems. This efficient use of space will allow the placement of additional (or larger) weapons systems on combat ships. The reduction of energy consumption, using energy-efficient ship systems, will extend a combat ship's cruising range. Therefore, the development of suitable advanced systems will enhance the military effectiveness of U.S. Naval Combat Ships. To achieve such improvements in naval ship design, many development programs are now in progress, both in the private sector (including Ingalls Shipbuilding Division) and in the U.S. Navy Establishment. An example of a major “NAVSEA-sponsored” program is the RACER program, in which a “highly-efficiency” COGAS (Combined Gas and Steam) system will be developed. This propulsion plant will be suitable for use on U.S. Navy Destroyers, and on other future naval combatants. In order to contribute to naval ship improvement, Ingalls Shipbuilding Division conducts an Independent Research and Development Program. This program includes the development of improved propulsion, ship's service power, and auxiliary systems. These include advancements in their type, efficiency (space and energy), and shipboard configuration. This paper will describe recent advances in these ship systems. Innovations to be described included advanced power plants (COGAS and other power plant configuration), and reduction of hull and appendage drag. Innovative auxiliary systems will include water purification, and energy-efficient auxiliaries. The emphasis will be on their viability for U.S. Navy application, and the potential for improved energy efficiency. Not all of the concepts described will be eventually implemented on naval ships. However, if those which do not result in hardware serve to stimulate discussion, and development of other innovative systems, this

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ADVANCES IN LONG-RANGE, HIGH-SPEED OPTICAL COMMUNICATION

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NAVAL ENGINEERS JOURNAL 1981年第4期93卷 39-48页

作者： BARTON, GG FELDMAN, S Mr. Sidney Feldman formerly with the Naval Applied Science Laboratory is presently with the Radiation Division of the Naval Surface Weapons Center White Oak Silver Spring Maryland. He planned and supervised laboratory experiments of many optical systems for fleet evaluation several of his designs now being standard in the fleet. He received his BA degree in Physics from Brooklyn College in 1941 and majored in Physics at the Brooklyn Polytechnic Institute. His professional memberships include the Optical Society of America American Association for the Advancement of Science and The Scientific Research Society of North America. He was the recipient of the Naval Ordnance Development Award in 1945 the Superior Achievement Award in 1957 the Quality Salary Increase Award in 1965 the Superior Accomplishment Award in 1967 1970 and 1979. Additionally he has been granted patents for a relamping tool for searchlights (1962) a lamp positioning mechanism for searchlights (1963) a daylnight digital sextant (1973) a portable sextant-computer system (1974) and with Mr. George Barton the remote-controlled LLLTV camera-sextant (1976) the automatic passive LLLTV-rangefinder (1977) and a patent disclosure for the omnidirectional transceiver (1980). Mr. George G. Barton has been employed by the Naval Research Laboratory Washington D. C. for the past ten years in the scientific and military application design engineering and fabrication of low light level TV camera systems. He was previously associated with the Smithsonian Institution and Northwestern University in the application of TV technology in astronomical investigations. He attended New York University Newark College of Engineering and New Mexico State University where he majored in Physical Optics. Presently he is with his own company BISMARC Inc. Harker's Island N.C. where he is involved principally in the design manufacture and marketing of sonar systems such as the unique VIDISEA fishscope research and development in electrooptic systems an

During periods of radio silence under Emission Control, communication depends on the slow ship-to-ship, manual-visual, 8-10 wpm Morse code signaling shutter searchlight employing the ac 1000-watt incandescent or the ac 1000-watt compact arc mercury-xenon lamp. These sources can be replaced by the dc compact arc xenon lamp to provide longer daylight ranges and highspeed (100 wpm teletype, 150 wpm Morse code, voice, etc.) communication since this source has superior brightness and the facility of considerably more rapid modulation. The excessive weight and size of the ac-dc power convertor and modulating circuitry which had prevented use of the dc xenon lamp have been overcome by developments in solid state electronics such as the rapid, high current, simmer-flash, 100 to one light output xenon lamp pulsing using the reliable, uncomplicated, low-cost silicon controlled rectifier shunt switch which could eliminate the mechanical signaling shutter. Laboratory and sea evaluations have proved the feasibility of and provided the long daylight high-speed optical communication ranges that could be attained from operation of the dc 1000-watt and 2200-watt xenon lamps at the focus of 12-inch, 18-inch searchlights and in the Fresnel lens omni-directional beacon which a command ship uses to signal all ships in a task force at once. With these advances, optical communication provides the highspeed capability of radio communication, particularly, also, with the new omnidirectional transceiver.

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INNOVATIONS IN computer-AIDED-DESIGN OF MARINE TURBINES USING INTERACTIVE GRAPHICS

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NAVAL ENGINEERS JOURNAL 1980年第2期92卷 207-217页

作者： GINGRICH, JK WINTER, RL Mr. John K. Gingrich joined the General Electric Company after his graduation from Lafayette College in 1948. His early assignments were with the General Engineering Laboratory and the Knolls Atomic Power Laboratory in Schenectady. N. Y. He joined the Marine Turbine and Gear Department in 1968 as Manager Engineering Administration. and assumed his present assignment as Manager Engineering Resource Planning & Administration in 1976. Mr. Gingrich was instrumental in procuring the Interactive Graphics System for the Medium Steam Department. having headed up the Study Team and is now responsible for the Interactive Graphics Systems management including new procurements. He is a member of the American Institute of Design Drafting and is currently the Chairman of the Computer-Aided Drafting Committee in that organization. Mr. Reinhold L. Winter is a graduate of the General Electric Apprentice Program and Salem State College from which he received his B.S. degree in Business Administration. He has nineteen years experience with the General Electric Company including eight years in Business Systems and Programming two years in Computer Operations Management and six years in his present position as Manager Engineering Business Systems. He was a member of the original Study Team that investigated and selected the present Applicon Interactive Graphics (IAG) equipment and currently is responsible for the management of software and hardware support for the ZAG Facility.

This paper discusses the Interactive Graphics system used by the General Electric Company, Medium Steam Turbine Department (engineering & Manufacturing) for designing, drafting, and manufacturing applications. A brief overview of the hardware malting up the system is described, followed by a more detailed description of the actual applications. Two-dimensional applications described include a Heat Balance Analysis, Flow Diagrams, and Electrical Schematics. A more fruitful area for increased productivity gains is described in the three-dimensional or mechanical applications including turbine design & layout and bucket design. coordination of the design with manufacturing for numerical control tape generation is described through CAM and Plate Frame Cutting applications. Finally, a short review of the engineering design work using Interactive Graphics is discussed. Productivity gains of 2.6 to 1 are being realized, and the overall savings to the Medium Steam Department are outlined.

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computer AIDS FOR SHIP DESIGN, INTEGRATION AND CONTROL

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NAVAL ENGINEERS JOURNAL 1980年第2期92卷 73-87页

作者： CARLSON, CM JOHNSON, RA HELMING, FW Mr. Craig M. Carlson received his B.S. degree in Naval Architecture and Marine Engineering from the University of Michigan in 1970 and began his career with the Department of the Navy at the Naval Ship Engineering Center (NAVSEC). In 1972. he returned to the University of Michigan under the NAVSEC Long Term Training Program and received his M.S. degree in Naval Architecture and Marine Engineering. After returning to the Ship Arrangements Branch at NAVSEC. he was assigned as Task Leader for General Arrangements for the PGG PCG PHM. and MCM ship designs and was awarded Outstanding Performance Awards in 1974 and 1975. In addition he was Manager of the Arrangement Subsystem of the Navy's Computer-Aided Ship Design and Construction Program (CASDAC). In October 1979. he became Manager of the CASDAC Hull Design System. Currently. he also is enrolled in the M.S. of Computer Science Program at Johns Hopkins University. Mr. Carlson previously has presented technical papers at ASNE Day 1974 and 1978 as well as at the 1979 DOD Manufacturing Technology Advisory Group Conference. Besides ASNE. which he joined in 1972. he is a member of SNAME. ASE. and the U.S. Naval Institute. Mr. Robert A. Johnson is a Naval Architect in Surface Combatants Design (SEA 03D3). Ship Design Integration Directorate Naval Sea Systems Command. He received an Associate in Engineering degree in Drafting and Design Technology in 1959. his B.S. degree in Aerospace Engineering in 1965. and his M.S. degree in Engineering Mechanics in 1970. all from the Pennsylvania State University. In 1973. he was selected for the NA VSEC Hull Division s Long Term Training Program at the University of Michigan subsequently receiving his M.S.E. degree in Naval Architecture in 1974. Mr. Johnson began his career with the Ordnance Research Laboratory at Pennsylvania State University in 1959 where he worked. on the design of hydroelastic submarine models and conducted research in the area of flow induced structural vibrations. In 1967 he joined HRB-Singer at State Colle

This paper presents an integrated approach to computer-Aided Ship Design for U.S. Navy preliminary and contract design. An integrated Hull Design system (HDS), currently under development by the Hull Group of the Naval Sea systems Command (NAVSEA 32). is the vehicle for the discussion. This paper is directed toward practicing ship design professionals and the managers of the ship design process. Primary emphasis of this paper, and of the development effort currently under way, is on aiding ship design professionals in their work. Focus is on integration and management control of the extremely complex set of processes which make up naval ship design. The terminology of the Ship Designer and Design Manager is used. The reader needs no familiarity with the technologies of computer science.

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THE AUTOMATIC DATA LINK PLOTTING system (ADLIPS)

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Naval Engineers Journal 1979年第2期91卷 185-191页

作者： CARRUTHERS, JAMES F. CANADIAN FORCES Cdr. James F. Carruthers is a native of Drumheller Alberta Canada. He joined the Royal Canadian Navy in 1961 and attended the Royal Roads Military College from 1961 to 1963 receiving his BE degree in Electrical Engineering. Following Pre-Fleet Training he was assigned to HMCS Gatineau for watchkeeping and engineering training. Work on the prototype AN/SQS-505 Sonar. ASROC Missile System and the prototype ASW Data System (ASWDS) followed including shipboard installation and evaluation of the system in HMCS Terra Nova during which time he was the “guinea pig” Combat Systems Engineer. Later during the construction phase of the Canadian Navy's Combined Support Center he acted as Principal Engineer subsequently returning to graduate studies at the Nova Scotia Technical College in 1971 from which he received his Ph.D. in Electrical Engineering designing and building a computer intended for ship machinery health monitoring in the process. Posted to Headquarters in 1974 he served as Project Officer for a mini command and control system known as ADLIPS his additional interests being that of originating plasma and digital television developments. It was during this period that the SHINPADS concept was first put forward and following a year at the Canadian Forces Command and Staff College he was promoted to his present rank in 1977 and posted as Head of the Naval Command and Control Design Authority (DCMS 7). Cdr. Carruthers is a registered Professional Engineer (Ontario) and as an author has had several technical papers published on digital design machinery health monitoring and the SHINPADS concept. At the present time he is Assistant Director Maritime Combat Systems at the National Defense Headquarters in Ottawa where his current responsibilities include all aspects of C2systems. A member of ASNE since February 1978 he is also a member of IEEE U.S. Naval Institute and the IEEE Computer Society.

The Automatic Date Link Plotting system (ADLIPS) about to enter production in Canada might be described as a “poor man's NTDS.” It has been designed to operate actively on both Link 11 and Link 14, integrate current ship sensors, control weapon designation, and to provide synthetic and raw radar pictures to the command. Displays include three‐man, 22‐inch, horizontally mounted CRTs, remote plasmas for applications such as the Bridge and EW Office, and a hard copy plotter. One of the design objectives of ADLIPS was to avoid inventing anything. The displays, computer, bulk storage, et cetera, were all chosen from “off‐the‐shelf” equipments. The production version will incorporate standard USN equipments in the form of the AN/UYK‐20 minicomputer and AN/USH‐26 cartridge magnetic tape. The only “new” elements are some unique interface cards and the computer software. The prototype received in excess of one year's evaluation in a land based test site followed by a year's operation at sea. Over two years of failure free operation demonstrated the viability of the concept, with the result that a program is underway to outfit all Canadian Navy surface warships. Due to its modularity, capability, and low cost ADLIPS is considered to be a prime candidate for fitment in a variety of NATO and Allied Navies. © 1979 American Society of Naval Engineers

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SHINPADS — A NEW SHIP INTEGRATION CONCEPT

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Naval Engineers Journal 1979年第2期91卷 155-163页

作者： CARRUTHERS, JAMES F. CANADIAN FORCES Cdr. James F. Carruthers is a native of Drumheller Alberta Canada. He joined the Royal Canadian Navy in 1961 and attended the Royal Roads Military College from 1961 to 1963 receiving his BE degree in Electrical Engineering. Following Pre-Fleet Training he was assigned to HMCS Gatineau for watchkeeping and engineering training. Work on the prototype AN/SQS-505 Sonar ASROC Missile System and the prototype ASW Data System (ASWDS) followed including shipboard installation and evaluation of the system in HMCS Terra Nova during which time he was the “guinea pig” Combat Systems Engineer. Later during the construction phase of the Canadian Navy's Combined Support Center he acted as Principal Engineer subsequently returning to graduate studies at the Nova Scotia Technical College in 1971 from which he received his Ph.D. in Electrical Engineering designing and building a computer intended for ship machinery health monitoring in the process. Posted to Headquarters in 1974 he served as Project Officer for a mini command and control system known as ADLIPS his additional interests being that of originating plasma and digital television developments. It was during this period that the SHINPADS concept was first put forward and following a year at the Canadian Forces Command and Staff College he was promoted to his present rank in 1977 and posted as Head of the Naval Command and Control Design Authority (DCMS 7). Cdr. Carruthers is a registered Professional Engineer (Ontario). and as an author has had several technical papers published on digital design machinery health monitoring and the SHINPADS concept. At the present time he is Assistant Director Maritime Combat Systems at the National Defense Headquarters in Ottawa where his current responsibilities include all aspects of C2systems. A member of ASNE since February 1978 he is also a member of IEEE U.S. Naval Institute and the IEEE Computer Society.

The Shipboard Integrated Processing And Display system (SHINPADS) is a Canadian Forces Trademark, and is not really a system. It is rather a concept of ship integration. Not combat system integration or propulsion and machinery system integration but ship integration. It encompasses the entire ship system including all combat system equipments, marine engineering systems, and extending into administrative support hardware. It is a concept based upon the idea of synergism, a property which is best explained by stating the whole is greater than the sum of its constituent parts. When the normal horizons of the subsystem designer are discarded and the entire ship is considered as an entity, the number of constituent parts available increases dramatically. But how does one “get it all together”? A distributed system approach in which former local subsystem equipments are made to function as global ship resources is the answer. Whereas until recently (where shipboard computers were concerned) “bigger was better,” a distributed approach requires more numerous small processors to be considered. Of course information must be made available to all processors, so a high speed data exchange method must be provided. Enter the SHINPADS Data Bus which not only provides this “ship central nervous system” capability but replaces tons of point‐to‐point wiring in the process. Other aspects of the concept include standardization of hardware, software, and interfacing. The SHINPADS concept is Considered to provide redundancy and system survivability at a reduced life‐cycle cost. It is suggested that such survivability cannot otherwise be achieved. © 1979 American Society of Naval Engineers

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NAVAL COASTAL systems LABORATORY - UNIQUE INSITU TEST AND EVALUATION SITE

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NAVAL ENGINEERS JOURNAL 1978年第2期90卷 119-129页

作者： JOLLIFF, JV CALLAHAN, CM USN Capt. James V. Jolliff USNgraduated from the U. S. Naval Academy in 1954. Following graduation he served in the USS S. N. Moore (DD—747) and USS Cimarron (AO—22). He received his MS degrees in Naval Architecture from Webb Institute of Naval Architecture and in Financial Management from The George Washington University. He culminated his education at The Catholic University of America where he was awarded his Doctorate in Ocean Engineering in 1972. Capt. Jolliff has served in Naval Shipyards as Ship Superintendent Assistant Repair Officer and Assistant Planning & Estimating Superintendent and as such was primarily concerned with the repair and conversion of U. S. Navy skips. In addition he has served as Maintenance Officer Staff of Commander Mine Force U. S. Pacific Fleet as Co—Chairman of the Naval Engineering Division Engineering Department U. S. Naval Academy and as CV Design Manager in the Advanced Concepts Division and as Head Ship Survivability Office Naval Ship Engineering Center. An active member of ASNE since 1966 he has served as a member of the National Council and is currently the Chairman of the Journal Committee. He has had several papers presented at ASNE Day and published in the Journal and in 1976 was one of the recipients of the ASNE President's Award. At the present time he is assigned as the Commanding Officer Naval Coastal Systems Laboratory (NCSL) Panama City Fla. Mr. Casville M. Callahanis a native of Southwest Virginia where he attended Elementary and Secondary School prior to his three year's service in the U. S. Navy during World War II. He graduated from Lincoln Memorial University Harrogate Tenn. in 1950 receiving his BS degree in Mathematics. In 1952 he received his MS degree in Mathematics from Auburn University Auburn Ala. and taught mathematics at Lincoln Memorial University and at Florida State University Tallahassee Fla. prior to joining the staff of the Mine Defense Laboratory in 1955. He has progressed through a variety of assignments as the Labo

Test and Evaluation have become paramount in today's Department of Defense acquisition process. Therefore, the U. S. Navy requires both private and public facilities to accomplish the final goals of the “Fly before Buy” concept. Such a facility exists at the Naval Coastal systems Laboratory (NCSL); an integral part of the Chief of Naval Material's, Director of Navy Laboratories organization. This paper briefly addresses the Laboratory, its mission, and its history. This is followed by an in—depth facilities overview in order to create an understanding of the slow but steady evolution of NCSL's unique fixed facilities. These facilities, when coupled to the local natural environment, provide a unique in situ test and evaluation capability which is unequalled in the United States for assessing seagoing coastal systems. Of prime consideration is the Range Date Acquisition Center (RADAC) and Its ancillary subsystems for tracking, environmental monitoring, communications, and post run analysis. The paper is concluded with a discussion of both past and present use of the aforementioned facilities with an emphasis on user acceptance and future potential growth.

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THE NAVAL SHIP RESEARCH AND DEVELOPMENT CENTER ADVANCED STRUCTURE FACILITYxs

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Naval Engineers Journal 1973年第1期85卷 43-49页

作者： BECKER, LOUIS A. SIEGRIST, FRANKLIN I. Louis A. Becker was born in New Rochelle N.Y. in 1930 receiving his earlier education in the New Rochelle Public Schools. He completed his undergraduate studies at Manhattan College in 1952 receiving his BCE degree during which time he was also engaged in land surveying. Following this he did postgraduate study at Virginia Polytechnic Institute obtaining his MS in 1954. He joined Naval Ship Research and Development Center in 1953 as a Junior Engineer and is currently the Head of the Engineering & Facilities Division Structures Department. His field of specialization is Structural Research and Development. Franklin I. Siegrist was born in Knoxville Tenn. in 1937 receiving his earlier education in the Public Schools of Erie Pa. He attended Pennsylvania State University graduating in 1962 with a Bachelor of Science degree in Electrical Engineering having prior to that time served four years in the U. S. Navy. He was a Junior Engineer in the AC Spark Plug Division of General Motors from 1962 until 1964 at which time he came to the David Taylor Model Basin as an Electrical Engineer in the Industrial Department. He is currently Supervisory Engineer for Electrical and Electronics Engineering Structures Department Naval Ship Research and Development Center. His field of specialization is Electrical Engineering Control Systems Data Collection Systems Computer Applications to Structural Research and Hydraulic System Design. In the last of these he holds Patent Rights on a “Hydraulic Supercharge and Cooling Circuit” granted in 1970.

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