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Benchmarking the numerical Discontinuous Deformation Analysis method

机译:数值不连续变形分析方法的基准

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The Discontinuous Deformation Analysis (DDA) method is an important tool for investigating the dynamics of systems composed of multiple discrete elements such as masonry structures and blocky rock masses. As such it has become a popular investigative tool in geotechnical and rock engineering research. In this paper dynamic verification studies of 2D and 3D-DDA performed by the rock mechanics research group at the Ben-Gurion University of the Negev, Israel (BGU), are reviewed. The analytical verifications developed and reviewed here allow critical assessment of the advantages and limitations of 2D and 3D-DDA, can be used as benchmark tests for attempted modifications to the original DDA code, for calibration of input numerical control parameters, and for quantitative and meaningful comparison with other numerical discrete element methods. (C) 2015 Elsevier Ltd. All rights reserved.
机译:不连续变形分析(DDA)方法是研究由多个离散元素(如砖石结构和块状岩体)组成的系统动力学的重要工具。因此,它已成为岩土工程和岩石工程研究中的一种流行的调查工具。本文回顾了以色列内盖夫本古里安大学(BGU)岩石力学研究小组对2D和3D-DDA进行的动态验证研究。此处开发和审查的分析验证可对2D和3D-DDA的优缺点进行严格评估,可用作尝试对原始DDA代码进行修改,校准输入数控参数以及定量和有意义的基准测试。与其他数值离散元素方法的比较。 (C)2015 Elsevier Ltd.保留所有权利。

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