Benchmark problem for random vibration of structures by finite element method

Author Type

Faculty

Co-Author Type 1

Faculty

Co-Author Type 2

Outside Researcher

Co-Author Type 3

Outside Researcher

College

Engineering and Computer Science

Department

Ocean and Mechanical Engineering

Document Type

Conference Proceeding

Publication/Event/Conference Title

American Society of Mechanical Engineers Pressure Vessels and Piping Division Publication PVP

Publication Status

Version of Record

Abstract

This paper is directed at two objectives: (1) to develop an improved finite element formulation of beams subjected to random loading, (2) to provide a benchmark example which can also be solved exactly. Systematic formulation of element and global spectral matrices both of the excitation and response are presented. Two approximations for evaluation of the element spectral densities of excitation are compared with the result of direct numerical calculation. It is shown that in the benchmark example the finite element and exact solutions are in perfect agreement.

First Page

121

Last Page

128

Publication Date

12-1-1991

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