空间梁大变形大转动的共旋坐标法有限元分析

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空间梁大变形大转动的共旋坐标法有限元分析
Based on a co-rotational framework, a 3-noded iso-parametric element formulation of 3D beam was presented, which was used for accurate modelling of frame structures with large displacements and large rotations. Firstly, a co-rotational framework was fixed at the internal node of the element, it translates and rotates with the node rigidly; then, vectorial rotational

关键字：空间  变形  有限元  结构论文，结构工程 - 结构论文