摘要
就爆炸力学数值模拟中的本构建模问题的有关内容作了讨论,包括:波传播研究与材料的动态特性研究的相互依赖、容变律与畸变律的解耦与耦合、率型本构关系与失效准则、应变率效应与温度效应的等效性、加载本构关系与卸载本构关系以及流变过程与损伤演化过程的耦合等,并展望了今后的有关发展动向。
Constitutive modeling is one of the key problems for the numerical simulation in explosion mechanics. Some related problems, Such as the intercoupling between the studies on wave propagation and the studies on dynamic behavior of materials, the coupling and decoupling between the law of volume deformation and the law of deviator deformation, the rate dependent constitutive relations and failure criteria, the equivalency between strain effect and temperature effect, the constitutive relation not only for loading process but also for unloading process, and the coupling between the rheological process and the damage evolution process, are discussed in the present paper.
出处
《爆炸与冲击》
EI
CAS
CSCD
北大核心
2003年第2期97-104,共8页
Explosion and Shock Waves
基金
国家自然科学基金项目(10032010)
关键词
爆炸力学
本构建模
评论
数值模拟
波传播
本构关系
高应变率
mechanics of explosion
constitutive modeling
review
numerical simulation
wave propagation
constitutive relation
high strain rates
