Through research on dynamic characteristic of structure - soil system and influence that structure - soil interaction inflicted on structures , this paper analyzes seismic dynamic response of structures . furthermore , this article analyzed the comparison of design theory and numeration model is studied in the paper by the comparison of the numeration results and experiment results of the study - out structures 考察地下结构-周围介质体系的动态特性、土-结构相互作用对结构的影响,分析结构地震动力响应。并将拟定结构的数值分析结果与实验成果进行比较分析,探讨设计理论、数学模型的合理确定。
Moreover , the distribution functions of the gas characters such as iterated time is found . furthermore , the expected compute workload of damage detection in a new structure can be quickly acquired using this function . the results presented in this paper are useful for the future study of using gas in damage detection 并提出,通过分析结构损伤识别所用遗传算法迭代次数等数值的分布规律,可以在对新结构进行损伤识别时,较准确迅速地预计所需的计算量,并依此改进结构损伤识别计算的效率。
In the paper , firstly , present the formulation and application of proper orthogonal decomposition of covariance and cross - power spectral density matrices are presented in the analysis of wind load effects on structures . then the dynamic response of linear structures subjected to random loads is analyzed by a technique called double modal transformation ( dmt ) that is expressed through a double series whose terms depend on structural and loading modes 本论文中首先通过求相关矩阵和互功率谱密度矩阵特征值问题给出了本征正交分解的公式,并利用pod与结构模态相结合的双模态方法来分析结构的动态响应,主要讨论了截断高阶荷载模态对风致响应的影响。