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Edition:Final Report
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Abstract:This report discusses the results of a feasibility study dealing with the development of a new simulation program by combining the two existing simulation programs HVOSM and BARRIER VII. The first of these programs has a sophisticated vehicle model including vehicle handling and maneuvering and one of its versions, HVOSM-RD2, even has the reported capability of crash simulation. Note that the barrier model in HVOSM-RD2 is very crude. The second program, BARRIER VII, has a good barrier model but its vehicle model is unrealistically simple. The idea, therefore, arose about the feasibility of combining the good features of both programs to make one improved crash simulation program. This study concludes that it is theoretically feasible to combine HVOSM and BARRIER VII to obtain a new program with improved vehicle and barrier simulation features. However, many practical problems are associated with such a development, and the effort required to accomplish this task may far outweigh its benefits. The study further concludes that the new simulation program, if developed, will at best be able to simulate the gross barrier behavior. Two finite element simulation programs, CRUNCH and GUARD, already exist to study barrier and vehicle behavior in great detail. It is not, therefore, cost-effective to develop a new program. The above conclusions are supported by thorough comparison of HVOSM and BARRIER VII with regard to program description, mathematical model, computer program structure, and input/output requirements. The results of the study are reported in detail in the text. Modifications were then analyzed from a cost-benefit standpoint.
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