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Implicit numerical integration of a three-invariant, isotropic/kinematic hardening cap plasticity model for geomaterials
Kinematic hardening Spectral decomposition Plasticity Geomechanics Implicit integration
2015/7/1
The mechanical constitutive behavior of geomaterials is quite complex, involving pressure-sensitive yielding, differences in strength in triaxial extension vs. compression, the Bauschinger effect, dep...
On the numerical integration of three-invariant elastoplastic constitutive models
the numerical integration three-invariant elastoplastic constitutive models
2015/7/1
We investigate the performance of a numerical algorithm for the integration of isotropically hardening three-invariant elastoplastic constitutive models with convex yield surfaces. The algorithm is ba...
Computing Tails of Compound Distributions Using Direct Numerical Integration
characteristic function compound distribution truncation error
2010/10/29
An efficient adaptive direct numerical integration (DNI) algorithm is developed for computing
high quantiles and conditional Value at Risk (CVaR) of compound distributions using
characteristic funct...