NBICS27.140 CCSP59 中华人民共和国能源行业标准 NB/T11559.2—2024 水电工程有限元数值分析导则 第2部分：土石坝 Guidelinesforfiniteelementanalysisforhydropowerprojects Part2：Embankmentdams 2024-05-24发布 2024-11-24实施 国家能源局发布NB/T11559.2—2024 I目次 前言................................................................................................................................................................IV 引言..................................................................................................................................................................V 1范围...................................................................................................................................................................1 2规范性引用文件..............................................................................................................................................1 3术语和定义......................................................................................................................................................1 4总体要求...........................................................................................................................................................2 5分析流程...........................................................................................................................................................2 6基本资料...........................................................................................................................................................3 6.1资料种类...................................................................................................................................................3 6.2资料收集...................................................................................................................................................4 7几何模型创建和网格划分..............................................................................................................................5 7.1几何模型创建...........................................................................................................................................5 7.2网格划分...................................................................................................................................................6 8本构模型及参数确定......................................................................................................................................8 8.1渗流本构模型...........................................................................................................................................8 8.2应力变形本构模型...................................................................................................................................8 8.3参数确定...................................................................................................................................................9 9初始条件和边界条件及荷载施加................................................................................................................10 10计算分析......................................................................................................................................................10 10.1计算工况...............................................................................................................................................10 10.2计算要求及方法...................................................................................................................................12 10.3计算结果验证.......................................................................................................................................12 11成果整理及分析评价..................................................................................................................................13 11.1成果整理................................................................................................................................................13 11.2分析评价内容......................................................................................................