Stress Wave Interaction in Finite Beam on Elastic Foundation

by M. C. Wang, Pennsylvania State Univ, University Park, United States,
C. S. Little, Pennsylvania State Univ, University Park, United States,

Document Type: Proceeding Paper

Part of: Engineering Mechanics


The short-time behavior of a finite Timeshenko beam on a Winkler foundation subjected to step and impulse loadings is presented. The transient behavior was analyzed by using the method of direct analysis. Results of the analysis show the effect of traveling waves on shear, moment, and deflection. For the range of conditions investigated, the relationship between the dynamic response factor and the ratio of pulse duration/natural period forms two plateaus due to the effect of reflected traveling waves.

Subject Headings: Stress waves | Elastic foundations | Beams | Elastic analysis | Stress analysis | Girders | Numerical methods | Shear waves

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