【作者】 彭伟； 梁智垚；

【Author】 Peng Wei;Liang Zhiyao;

【机构】 同济大学桥梁工程系；

【摘要】 根据非经典阻尼结构体系的主要特点,本文介绍了对其进行动力分析的主要方法,包括复模态方法、近似解耦方法、摄动法、拟力实模态叠加法、子结构模态分析法、Laplace变换法、实振型分解法,以及Ritz矢量叠加法与直接高精度积分法。这些方法都有其特点和相应的适用范围,对解决实际工程结构中非经典阻尼体系的动力分析问题具有很好的参考价值。更多还原

【Abstract】 Based on the main characteristics of non-classical damping structural systems,the principal dynamic analysis methods for them are introduced in the paper.Such methods consist of the complex modal method,the approximate decoupling method,the perturbation method,the modal superposition pseudo-force method,substructure modal analysis method,Laplace transform method,real mode superposition method,the Ritz vector superposition method and high accurate direct integration scheme.These methods are of their own characteristics and applicability,and can be applied effectively to solve practical engineering problems.更多还原