邻近建筑物的复合地基对上海地铁M8线区间隧道的沉降影响研究_文章爱好者原创文学 关键词】：邻近建筑物，桩基，地铁区间隧道，三维有限元 [gap=862]Key Words: close-space buildings, pile fountions, metro tunnel, 3D FEA
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One of the key technique problems is boundary dynamic contact constraint and contact judgment in FEA simulation for 3d complicated massive forming.
边界界面动态接触约束与接触判断是3维复杂体积成形有限元数值模拟的关键技术问题之一。
Methods: with the help of the POWERSHAPE and ANSYS software, we established 3d dentition FEA models with right mandibular first molar missing and fixed partial denture.
方法：在POWERSHAPE及ANSYS软件的帮助下，建立右下第一磨牙缺失及局部固定义齿的三维有限元模型。
Objective To construct the fine 3d model of the maxillary first premolar for finite element analyzes (FEA).
目的建立上颌第一前磨牙的精细三维模型，并最终应用于有限元分析(FEA)。
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