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A computationally efficient numerical model for a dynamic analysis of beam type structures based on the combined finite-discrete element method

机译:基于组合有限元法的梁型结构动力分析高效计算模型

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摘要

This paper presents a new numerical model for the analysis of beam-type structures based on the combined finite-discrete element method. The model uses straight two-node rotation free finite elements, and takes into account linear-elastic material behaviour, finite displacements, finite rotations and small strains. The presented numerical model is implemented into the open source finite-discrete element method package Yfdem. Performance of the new numerical model was demonstrated on simple benchmark tests where very good agreement of obtained numerical results with reference solutions was shown. Performed numerical analysis indicates that the presented numerical model is applicable in static, dynamic and stability analyses of beam type structures.
机译:本文提出了一种基于组合有限元法的梁型结构分析数值模型。该模型使用直的两节点自由旋转有限元,并考虑了线弹性材料的行为,有限位移,有限旋转和小应变。所提出的数值模型已实施到开源有限离散方法方法包Yfdem中。在简单的基准测试中证明了新数值模型的性能,其中显示了获得的数值结果与参考解决方案非常吻合。进行的数值分析表明,所提出的数值模型适用于梁型结构的静力,动力和稳定性分析。

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