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首页> 外文期刊>Computer Methods in Applied Mechanics and Engineering >Avoiding shear locking for the Timoshenko beam problem via isogeometric collocation methods
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Avoiding shear locking for the Timoshenko beam problem via isogeometric collocation methods

机译:通过等几何配置方法避免针对Timoshenko梁问题的剪切锁定

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摘要

In this work we study isogeometric collocation methods for the Timoshenko beam problem, considering both mixed and displacement-based formulations. In particular, we show that locking-free solutions are obtained for mixed methods independently on the approximation degrees selected for the unknown fields. Moreover, several numerical tests are provided in order to support our theoretical results and to show the good behavior and the flexibility of isogeometric collocation methods in this context.
机译:在这项工作中,我们考虑了混合和基于位移的公式,研究了Timoshenko梁问题的等几何配置方法。特别是,我们表明,混合方法的无锁解独立于为未知字段选择的近似度而获得。此外,提供了一些数值测试,以支持我们的理论结果并显示在此情况下等几何配点方法的良好行为和灵活性。

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