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首页> 外文期刊>Computers & geosciences >Bem2d. jl: A quadratic co-location two-dimensional boundary element approach to quasi-static faulting problems with gravity and non-planar topography
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Bem2d. jl: A quadratic co-location two-dimensional boundary element approach to quasi-static faulting problems with gravity and non-planar topography

机译：Bem2d. jl: A quadratic co-location two-dimensional boundary element approach to quasi-static faulting problems with gravity and non-planar topography

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摘要

Linear elastic boundary element models are commonly used tools to understand the mechanics of earthquake cycle processes and their contribution to the growth of tectonic structures. Here we describe a two-dimensional plane strain linear elastic boundary element approach to earthquake cycle and tectonic processes based on the displacement discontinuity method. This approach integrates an analytic solution for coincident interactions using three node quadratic elements and the classic particular integral approach to uni-directional gravity. Three node quadratic elements are more accurate than classical constant displacement elements and enable the exact representation displacements, stresses and tractions on elements subject to slip gradients. We demonstrate the recovery of analytic solutions and illustrate the combined effects of faulting and gravitational body forces in the presence of topographic relief.

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