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A STATISTICAL CONSTITUTIVE RELATION FOR ROCK MASS AND ITS APPLICATION
Authors
丁桦
梁乃刚
白金泽
Publication date
15 June 2005
Publisher
Abstract
在岩石材料非均匀特性的基础上,建立了弹塑性概率材料本构.认为材料单元的切线模量与破坏强度都是服从二参数Weibull分布的随机量,通过用户材料子程序将该本构导入到LS-DYNA3D中,推导了程序流程,分析了导入过程中的关键技术.算例验证表明,应用该本构模拟得出的现象与实验观测完全一致,这是确定性本构无法实现的
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Institute Of Mechanics,Chinese Academy of Sciences
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Last time updated on 12/02/2018