有阻尼体系的时域边界元法
A TIME DOMAIN BOUNDARY ELEMENT METHOD FOR SYSTEMS WITH DAMPING
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摘要: 针对时域边界元方法的特点，提出了一种新的阻尼模型（称为比例时耗阻尼），并成功地应用于时域边界元方法中．这是在时域边界元方法中首次考虑阻尼这一影响结构动力响应的重要因素，为时域边界元在实际工程中的应用解决了一个难题．通过对简单问题的分析和计算，验证了本文模型的正确性．Abstract: A new damping model (Proportional Decay Damping) is presented and employed in a time domain boundary element method. This is the first attempt to take the effects of material damping, which is one of the most important factor in dynamic analysis, into account in a time domain boundary element procedure. The damping model and the presented time domain boundary element procedure are verified by comparison with theoretical solutions and numerical results of finite element method in a simple benchmark problem.
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Keywords:
- damping /
- time domain /
- dynamic /
- boundary element method
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