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Methods and Systems For Simulating Structural Behaviors of Reinforced Concrete in Finite Element Analysis

机译:有限元分析中钢筋混凝土结构行为的模拟方法和系统

摘要

FEA model representing a reinforced concrete structure is defined and received in a computer system. The FEA model contains solid elements defined solid element nodes and beam elements defined by master beam element nodes. Beam elements representing reinforcing steel are embedded inside solid elements representing concrete. Each beam element straddles one or more solid elements. Slave beam nodes along the at least one beam element are created such that each of the solid elements houses at least one slave beam node. Numerically simulated structural behaviors of the reinforced concrete structure are obtained by conducting a time-marching simulation using the FEA model. At each solution cycle of the time-marching simulation, proper coupling of the solid elements and the at least one beam element are ensured. Exchanges of masses and momentums between a slave beam node and corresponding solid element nodes is conducted with both consistent and non-consistent portions.
机译:在计算机系统中定义并接收了代表钢筋混凝土结构的FEA模型。 FEA模型包含由实体元素节点定义的实体元素和由主梁元素节点定义的梁元素。代表钢筋的梁单元嵌入到代表混凝土的实体单元内。每个梁单元跨越一个或多个实体单元。创建沿着至少一个梁单元的从束节点,使得每个实体单元容纳至少一个从束节点。通过使用FEA模型进行时间行进模拟,可以获得钢筋混凝土结构的数值模拟结构行为。在时间行进模拟的每个求解周期中,确保实体元素和至少一个梁元素的正确耦合。从射束节点和相应的实体元素节点之间的质量和动量交换是通过一致和不一致的部分进行的。

著录项

  • 公开/公告号US2017185699A1

    专利类型

  • 公开/公告日2017-06-29

    原文格式PDF

  • 申请/专利权人 LIVERMORE SOFTWARE TECHNOLOGY CORPORATION;

    申请/专利号US201715455944

  • 发明设计人 HAO CHEN;

    申请日2017-03-10

  • 分类号G06F17/50;G06F17/11;

  • 国家 US

  • 入库时间 2022-08-21 13:48:45

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