Nonlinear Analysis of Strain-Softening Damage under Monotonic and Cyclic Loadingby Zdeněk P. Bažant, Northwestern Univ, Evanston, United States,
Joško Ožbolt, Northwestern Univ, Evanston, United States,
Rolf Eligehausen, Northwestern Univ, Evanston, United States,
Abstract: The paper reviews the modeling of damage by the microplane model and presents extensions required for cyclic loading. The general microplane constitutive model is implemented in a three-dimensional finite element code and used in damage and bifurcation analysis of various structures. The results of the analysis are compared with test results and some of the comparisons are shown in the present paper.
Subject Headings: Finite element method | Cyclic loads | Constitutive relations | Three-dimensional models | Three-dimensional analysis | Strain hardening and softening | Mathematical models | Structural models
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