结构动力响应灵敏度求解的径向基函数方法

来源 :中国计算力学大会2018暨国际华人计算力学大会2018 | 被引量 : 0次 | 上传用户：donnybaby

【摘要】

：

应用已经提出的径向基函数逼近方法求解结构动力响应，在此基础上提出了一种新的结构动力响应灵敏度计算方法，包括动力位移、速度、加速度和急动度(加速度对时间的导数)的灵敏度，并给出了灵敏度初值的确定方法。通过设计算例，与基于精细积分法和差分法的灵敏度计算结果进行比较，验证了本文方法的可靠性。

【作者】

：

李岩汀徐绩青

【机构】

：

重庆交通大学河海学院,国家内河航道整治工程技术研究中心,水利水运工程教育部重点实验室,重庆 400074

【出处】

：

中国计算力学大会2018暨国际华人计算力学大会2018

【发表日期】

：

2018年10期

【关键词】

：

径向基函数动力响应灵敏度动力有限元

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结构动力响应灵敏度求解的径向基函数方法

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