滚石离散元数值模拟的参数反演(英文)

被引:9
作者
蒋景彩 [1 ]
能野一美 [2 ]
山上拓男 [1 ]
机构
[1] 徳岛大学研究生院技术科学研究部建设工学科
[2] 基础建设设计咨询有限公司
关键词
边坡工程; 落石; 离散元法; 反演计算; DEM参数; 落石轨迹;
D O I
暂无
中图分类号
P642.22 [滑坡];
学科分类号
0837 ;
摘要
离散元法(DEM)是数值模拟崩塌落石运动的一个有力方法,但确定离散元输入参数是个难题。提出一个基于已知落石轨迹的离散元参数的反演计算方法。落石轨迹可以通过现场落石试验或者野外实地调查实际落石过程获得。该方法的特征为反演得到的离散元参数可以间接反映边坡与落石冲击时的变形以及植被缓冲效应。建议的几个保证解的有效性得到验证,稳定性措施效果良好。室内落石试验结果和现场落石工程实录验证证明了该算法的有效性和实用性。
引用
收藏
页码:2418 / 2430
页数:13
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