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    • 8. 发明申请
    • METHOD FOR IMPROVING FINITE ELEMENT ANALYSIS MODELING OF THREADED CONNECTIONS
    • 改进螺纹连接有限元分析建模方法
    • US20110313720A1
    • 2011-12-22
    • US13063111
    • 2009-09-03
    • Ke LiSrinand KaruppoorSepand Ossia
    • Ke LiSrinand KaruppoorSepand Ossia
    • G06F15/00
    • E21B17/042
    • A method for improving finite element analysis of threaded connections includes selecting at least one thread parameter for a female connection and a corresponding male connection. In two dimensions a thread form is calculated for the female connection and the male connection based on the at least one parameter. In two dimensions a geometry is calculated of the female connection and the male connection based on the thread form. In two dimensions the female connection and the male connection are segmented into predefined areas. A finite element analysis mesh is calculated based on a predetermined number of nodes for each of the predefined areas and a selected number of mesh layers for each predefined area. The two dimensional female connection and male connection are assembled. The two dimensional mesh on the assembled connections is used as input to a finite element analysis of the threaded connection in three dimensions.
    • 用于改进螺纹连接的有限元分析的方法包括为母连接和相应的公连接选择至少一个螺纹参数。 在两个维度上,基于至少一个参数来计算母连接和公连接的螺纹形式。 在两个维度上,基于螺纹形式计算母连接和公连接的几何形状。 在两个维度上,母连接和阳连接被分割成预定区域。 基于用于每个预定义区域的预定数量的节点以及针对每个预定义区域的选定数目的网格层来计算有限元分析网格。 组装了二维阴连接和阳连接。 组装的连接上的二维网格用作三维螺纹连接的有限元分析的输入。