Boundary integral equations are formulated by associating in a Betti equation the real elastic state and a fictitious state generated by distributions of static and kinematic discontinuities and of inelastic strains. A suitable discretization is adopted for all variable fields and plastic constitutive laws are enforced in an average sense. Thus a symmetric formulation of the direct BEM is obtained.
On symmetrization in boundary element elastic and elastic-plastic analysis
MAIER, GIULIO;NOVATI, GIORGIO;
1990-01-01
Abstract
Boundary integral equations are formulated by associating in a Betti equation the real elastic state and a fictitious state generated by distributions of static and kinematic discontinuities and of inelastic strains. A suitable discretization is adopted for all variable fields and plastic constitutive laws are enforced in an average sense. Thus a symmetric formulation of the direct BEM is obtained.File in questo prodotto:
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