Using a Linearized Yield Surface in Dynamic Analysis

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by V. S. Bhattachar, Univ of Cincinnati, Cincinnati, United States,
F. E. Weisgerber, Univ of Cincinnati, Cincinnati, United States,

Document Type: Proceeding Paper

Part of: Mechanics Computing in 1990's and Beyond

Abstract: This paper describes an application of the finite element method to dynamic analysis of systems which exhibit material nonlinearity. A time history approach is used with a central difference scheme to solve the dynamic equation. An elastic-perfectly plastic material model is used with a linearized yield surface which can account for tension - compression asymmetry in the failure criterion. Results from the analysis of a reinforced concrete beam is presented.

Subject Headings: Finite element method | Dynamic analysis | System analysis | Elastoplasticity | Material failures | Reinforced concrete | Concrete beams | Nonlinear analysis |

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