Numerical Analysis of Natural Convection of Thermo-Electrically Conducting Fluids in a Square Cavity under a Uniform Magnetic Field. (Calculated Results, Frequency Characteristics).

A multiaxial constitutive model is presented for the description of the history-dependent inelastic and damage behavior of polycrystalline metallic materials in the high-temperature range under variable loading conditions. A particular emphasis is placed on a new formulation for the history-dependent material degradation which is based on a coupling between hardening and damage. The total damage is given by the sum of damage components which have different history dependence. The associated continuum damage variables are defined through their ew)lution equations coupled with hardening parameters involved with a kinematic hardening model. The non-classical coupling belwecn hardening and damage is incorporated into the modified kinematic hardening model which has been developed for describing the complicated hardening and softening behavior under repeated stress changes. Numerical simulations for differen! material parameters show that the proposed damage-coupled constitutive model can predict an acceleration as well as ' ,~ deceleration of creep damage growth due lo stress w~rialions.

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A finite element method for magnetohydrodynamics

Salah

Soulaïmani

Habashi

2001

Computer Methods in Applied Mechanics and Engineering

146

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Numerical Analysis of Natural Convection of Thermo-Electrically Conducting Fluids in a Square Cavity under a Uniform Magnetic Field. (Calculated Results, Frequency Characteristics).

Cited by 6 publications

References 6 publications

A conservative stabilized finite element method for the magneto-hydrodynamic equations

A conservative stabilized finite element method for the magneto-hydrodynamic equations

History-dependent coupled growth of creep damage under variable stress conditions

A finite element method for magnetohydrodynamics

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