振型分解法的英文

例句与用法

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1. The first - order perturbation method correct for forcing decoupling method based on perturbation theory is put forward to decrease error ; iii . the complex modal method is introduced into analysis of non - classical damping systems to eliminate error of forcing decoupling method , and improve the complex modal response spectrum , which can apply to design of non - classical damping systems ; iv . for exerting the energy dissipation capability of each device , a two - step optimum method , whose controlling function is extremum expectation of interbedded displacement , is put forward to optimize the number and position of device ; v . the problem of iterative method applied to analyze energy dissipation systems is indicate , and give some primary advice based on pilot study
   为改善上述缺点，本文进行了以下的研究工作：在忽略耗能器附加质量的基础上，推导出适用于耗能减震结构的摄动法，减少振型分解法在迭代计算过程中的工作量，加快计算速度；针对运动方程的强行解耦所产生的误差，根据摄动法原理，对其进行一阶摄动修正；为消除强行解耦振型分解法用于非比例阻尼结构分析时产生的误差，引入状态空间对系统进行复模态分析，并改进了基于复模态理论的、适用于非比例阻尼结构设计的双反应谱方法；对于耗能器的数量和位置优化进行了一些探讨和研究。
2. Some helpful conclusions were made . based on the experimental results and theories research , the author put forward some valuable conclusions of this new type of frame - bent structures : ( 1 ) the initial force calculation method considering the lateral torsional coupled ; ( 2 ) the design and construction method of the high - strength concrete frame - bent columns under the high axial compression ratio ; ( 3 ) the construction method of the abnormal joints
   在试验和理论研究的基础上，提出框排架结构的设计原则和具体的设计方法，主要有以下内容： ( 1 )考虑平扭耦联空间整体结构的振型分解法； ( 2 )针对该类主厂房结构中应用高强混凝土的问题，提出应用高强混凝土的框排架柱的轴压比限值及相应的构造要求； ( 3 )对异型节西安建筑科技大学博士学位论文点划分不同区域分别给出其构造要求。