Continuum Damage Mechanics and Numerical Applications by Wohua Zhang

By Wohua Zhang

Continuum harm Mechanics and Numerical purposes provides a scientific improvement of the speculation of Continuum harm Mechanics and its numerical engineering functions utilizing a unified type of the mathematical formulations in anisotropic and isotropic harm versions. The theoretical framework relies at the thermodynamic thought of strength and fabric dissipation and is defined through a collection of basic formulations of constitutive equations of broken fabrics, improvement equations of the broken nation, and evolution equations of micro-structures. in accordance with techniques of damage-dissipation of the cloth country and powerful evolution of fabric houses, most of these complicated equations, which take nonsymmetrized results of wear points under consideration, are built and converted from the normal normal failure types so that they are extra simply utilized and tested in quite a lot of engineering practices via experimental checking out. Dr. Wohua Zhang is a Professor at Engineering Mechanics examine heart in Zhejiang collage of China. Dr. Yuanqiang Cai is a Professor at division of Civil Engineering in Zhejiang college of China.

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Int. J. Rock Mech. , 23(1) , 91-112 (1990) . , Valappan S. , Analysis of random a nisotropic damage mechanics problems of rock mass: Part II. statistical estimation. Int . J. Rock Mech . , 23(1) , 241-259 (1990) . , Probabilistic simulation of fatigue crack growth by damage accumulation. J . Eng. Fract. , 22, 697-712 (1985) . [1-21] Krajcinovic D. , Statistical aspects of the continuous damage theory. Int . J . , 18(17) ,551-562 (1982) . [1-22] Cordier G. , Van Dang K. , Strain hardening effects and damage in plastic fatigue.

The two surfaces are then invoked simultaneously to obtain increments of plastic strain and additional strain due to damage . Lubiliner et ai. [2-237] and Oller et ai. [2-238] considered different responses under t ension and compression. They considered the effect of stiffness degradation of the damaged frictional materials by presenting a plastic damage constitutive model with a general form of classical plasticity. e. damage variable). Frantziskonis and Desai [2-239] presented an elasto-plastic ductile damage constitutive model for strain softening of geological materials.

This has been used to study the failure of materials under high temperature creep [2-7, 2-8] and creep-cyclic plasticity [2-9, 2-10]. In the later part of the 1970s, the concept of damage was given more consideration due to similar problems in the nuclear industry and in space t echnology. Besides Kachanov [2-11"-'18] and Robotnov [2-4, 2-5]' many prominent researchers such as Lemaitre et al. [2-19"-'32]' Chaboche et al. [2-33"-'38], Krajacinovic et al. [2-39"-'46], Murakami et al. [2-47"-'56], Leckie et al.

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