Optimization of technology for deep-hole process of a hanging pup joint used in directional wells;
650型定向井悬挂短节深孔加工工艺优化设计
The numbers of physical cover of the cover system in NMM when the crack was extended were amended through the setting of hanging nodes.
探讨了基于三角形有限元网格的平面流形元覆盖系统;通过设置流形单元的悬挂节点来修改裂纹扩展时流形覆盖系统中的节点下标(物理覆盖编码),通过初始有限单元被物理网格再剖分后所生成的流形单元链表的设置提出了裂纹扩展时新生成的流形单元中物理覆盖编码(有限单元节点及下标)、悬挂节点信息和积分区域角点信息的生成方法,进而提出了裂纹扩展时流形元方法的物理覆盖和流形单元的生成算法。
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