Dynamic Testing and Computer Analysis of Automotive Frames 720046

A method for quick and accurate static and dynamic analysis of automotive frame designs through use of a structural analysis computer program supplemented by empirical test data is discussed in this paper. A special beam finite element used in the computer program permits more comprehensive and detailed structural description. Specific sub-programs and testing techniques are described briefly. Also presented is a correlation between computer-predicted and actual experimental results for static deflection, and natural frequencies and mode shapes of a representative automotive frame.


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