Characteristics of wave-front and evaluation of plastic behaviors of geomaterials

机译：岩土材料的波前特征和塑性行为评估

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In this paper, an analytical procedure for describing the wave progation in the rate-sensitive materials is proposed. This purpose is achieved by consideration of the kinematic configuration of wave-front in the space which satisfied the eikonal equation. The Drucker-Prager model is accepted to evaluation of the kinematic state of wave propagation in the plastic materials through consideration of the jump conditions of the governing equations of waves on the surface of the characteristic surface formed by the wavefront. The techniques of finite element and finite difference methods are employed in discretization of the governing equations in spatial space and the time domain, respectively.

机译：本文提出了一种描述速率敏感材料中波传播的分析程序。该目的是通过考虑满足本征方程的空间中波前的运动学构造来实现的。考虑到由波阵面形成的特征表面上的波控制方程的跳跃条件，采用Drucker-Prager模型来评估塑料中波传播的运动学状态。在空间空间和时域分别离散控制方程时，采用了有限元技术和有限差分法。

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《Rock Mechanics in the National Interest》|2001年|p.1523-1528|共6页
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Sixiong Han; Mingkui Xiao;
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中图分类 P6;
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Characteristics of wave-front and evaluation of plastic behaviors of geomaterials

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