Synthetic slip plane, the combination of a pair of twinned and untwinned e-planes in a single calcite crystal: Application in dynamic analysis

Synthetic slip plane, the combination of a pair of twinned and untwinned e-planes in a single calcite crystal: Application in dynamic analysis
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合成滑移面,单个方解石晶体中一对孪生和非孪生 e 面的组合:在动态分析中的应用

DOI:
10.1016/j.jsg.2018.12.003
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发表时间:
2019-02
影响因子:
3.1
通讯作者:
Liang Xinquan
Liang Xinquan
中科院分区:
地球科学2区
文献类型:
--
作者:
Shan Yehua;Zheng Jian;Liang Xinquan

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本文将合成滑移面定义为方解石晶体中一对孪晶和非孪晶e晶面的线性组合。这个辅助滑动面可以与孪生e面一起使用,以便在图形动态分析中进一步限制压力轴和张力轴的范围,或者在数值动态分析中更好地估计折减应力。在本文中,我们提出了一种新的方法,即在第一值第二应力不变量的约束下,通过最大化每个孪生e面或合成滑移面上沿滑移线的剪应力之和来求解折减应力。这种新方法得到了应力的解析解。它应用于一系列在规定应力下不产生任何测量误差的人工算例。估计的应力总体上是准确和稳健的,这说明了这种新方法的可行性。
This paper defines a synthetic slip plane as the linear combination of a pair of twinned and untwinned e-planes in a single calcite crystal. This auxiliary slip plane can be used together with the twinned e-plane either to further constrain the extents of the compression and tension axes in graphic dynamic analysis or to better estimate the reduced stress in numerical dynamic analysis. In this paper we proposed the novel method that solves for the reduced stress by maximizing the sum of the shear stress along the slip line on each twinned e-plane or synthetic slip plane under the constraint of the 1-valued second stress invariant. This new method yields an analytical solution of stress. It is applied to a series of artificial examples without any measurement error generated under the prescribed stresses. The estimated stresses are generally accurate and robust, which illustrates the feasibility of this new method.
DOI: 10.1016/s0191-8141(02)00120-7
发表时间: 2003-06
影响因子: 3.1
作者:
T. Orife;R. Lisle
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