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Finite Element Crash Analysis of Framed Structures by the Adaptively Shifted Integration Technique

机译:框架结构有限元碰撞的自适应位移积分技术

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In the present study, each member of a framed structure is subdivided with two linear Timoshenko beam elements at both ends and a cubic beam element based on Bernoulli-Euler hypothesis at the center. The adaptively shifted integration (ASI) technique is used only in the linear Timoshenko beam elements. The proposed model is applied to the explicit finite element analysis of crashing behaviors of impulsively loaded framed structures considering the effect of large deformation by the updated Largrangian formulation. Serveral numerical studies have been carried out in order to show the validity of the proposed numerical technique.
机译:在本研究中,框架结构的每个成员在两端都细分为两个线性Timoshenko梁单元,并在中心基于Bernoulli-Euler假设对立方梁单元进行了细分。自适应位移积分(ASI)技术仅在线性Timoshenko梁单元中使用。考虑到大变形的影响,通过更新的拉格朗日公式,将所提出的模型应用于冲击荷载框架结构的碰撞行为的显式有限元分析。为了证明所提出的数值技术的有效性,已经进行了服务器数值研究。

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