Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
A plasticity formulation for cyclic inelastic structural analysis
A critical review of current inelastic structural analysis procedures indicates that the material constitutive models presently in use do not adequately reflect the materials' cyclic inelastic properties. This will result in erroneous evaluation of deformation response and energy dissipation in structures subjected to dynamic loadings. This report presents a plasticity formulation which is capable of simulating all the important features of material properties observed under cyclic uniaxial loading. Appropriate cyclic material properties required for characterizing the combined isotropic-kinematic hardening features of this formulation are defined. These properties are determined from simple cyclic uniaxial tests. The formulation uses Mroz's concept of multiple and nesting hypersurfaces in stress space to simulate the memory of prior history; it eliminates the need for classifying a general loading path into a plastic loading or a plastic load reversal for cyclic analysis. The superiority of this formulation over current available methods is demonstrated.
A plasticity formulation for cyclic inelastic structural analysis
A critical review of current inelastic structural analysis procedures indicates that the material constitutive models presently in use do not adequately reflect the materials' cyclic inelastic properties. This will result in erroneous evaluation of deformation response and energy dissipation in structures subjected to dynamic loadings. This report presents a plasticity formulation which is capable of simulating all the important features of material properties observed under cyclic uniaxial loading. Appropriate cyclic material properties required for characterizing the combined isotropic-kinematic hardening features of this formulation are defined. These properties are determined from simple cyclic uniaxial tests. The formulation uses Mroz's concept of multiple and nesting hypersurfaces in stress space to simulate the memory of prior history; it eliminates the need for classifying a general loading path into a plastic loading or a plastic load reversal for cyclic analysis. The superiority of this formulation over current available methods is demonstrated.
A plasticity formulation for cyclic inelastic structural analysis
Plastizitaetsbestimmung fuer die zyklische, inelastische statische Berechnung
Sharma, S.K. (Autor:in) / Jhansale, H.R. (Autor:in)
US Government Reports ; 1-28
1977
28 Seiten
Report
Englisch
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