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A viscoplasticity model with an enhanced control of the yield surface distortion
viscoplasticity yield function kinematic hardening distortional hardening rheology
2012/4/17
A new model of metal viscoplasticity, which takes combined isotropic, kinematic, and distortional hardening into account, is presented. The basic modeling assumptions are illustrated using a new two-d...
On the Use of a Regular Yield Surface for the Analysis of Unreinforced Masonry Walls
Anisotropic behaviour masonry non-linear analysis shear wall yield pattern yield surface
2009/2/19
A complete methodology for the non-linear macroscopic analysis of unreinforced masonry (URM) shear walls under biaxial stress state is presented, using the finite element method. The methodology focus...