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Adaptive modeling of wave propagation in heterogeneous elastic solids

机译:非均质弹性固体中波传播的自适应建模

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This manuscript presents the results of a detailed research investigation on a fundamental problem in wave mechanics: the propagation of stress waves in heterogeneous elastic solids. The theory and methodologies of hierarchical modeling of heterogeneous materials [J. Comput. Phys. 164 (2000) 22; Int. J. Comp. Civil Str. Engrg. 1 (2000) 1; Goal-oriented Adaptive Modeling of Heterogeneous Elastic Solids, Ph.D. thesis, The University of Texas at Austin, 2000; Comput. Methods Appl. Mech. Engrg. 190 (2001) 6089] are extended to elastodynamic cases to make possible the control of the modeling error in the local average stress. One-dimensional numerical applications are given.
机译:该手稿介绍了对波浪力学中一个基本问题的详细研究调查的结果:应力波在非均匀弹性固体中的传播。异质材料分层建模的理论和方法[J.计算物理164(2000)22;诠释J.比较民事海峡gr 1(2000)1;面向目标的非均质弹性固体的自适应建模,博士学位。论文,德克萨斯大学奥斯汀分校,2000年;计算方法应用。机甲gr 190(2001)6089]扩展到弹性力学案例,以控制局部平均应力中的建模误差成为可能。一维数值应用。

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