Integrated model updating technology of two kinds of modeling methods is rising, and becomes one of the most important directions in current structure dynamics research.
综合两种建模方法优点的模型修正技术随之兴起，成为当前结构动力学领域的重要研究方向之一。
Structure finite element model updating technology based on the frequency response function is one of the most important directions in current structure dynamics research.
基于频响函数的结构有限元模型修正技术是当前结构动力学领域的重要研究方向之一。
The other important aspect is the analysis of the structure dynamics of composite materials.
本文的另一个侧重面是复合材料结构动力学分析。
The accurate calculation of complex structure dynamic stress has not been fully solved in structure dynamics.
复杂结构动态应力的准确计算是一个没有圆满解决的问题。
This paper introduces the "structure dynamics modification program" developed. Its general principle, a block diagram and an example on a cantilever beam are presented.
本文介绍自研制的“结构动力修改程序”，述及一般原理及框图，并给出一个悬臂梁实例。
After getting the relatively accurate static stiffness of groundsill, the soil-frame structure dynamics interaction is studied by the simplified method in the 4th chapter.
在得到比较精确的地基静刚度后，本文通过第四章中的简化算法求解了地基与结构的动力相互作用。
However, the elastic modulus and loss factor of viscoelastic material usually change with frequency, which will cause difficulties in the calculation of structure dynamics.
但是，由于粘弹性材料的弹性模量和损耗因子往往随频率变化，对设计计算造成了一定的困难。
Because the changes of the concrete structure dynamics properties will happen during pouring process, the responses are the transient responses. For example, the elastic modules.
由于混凝土的力学特性随施工龄期变化，导致响应的时变性，如弹性模量。
Then the aerodynamic pressure field obtained from the analysis of unsteady aerodynamics was transformed to the form of load pressure field which is suitable to the analysis of structure dynamics.
把非定常气动分析给出的压力场，转化为结构动力分析中的载荷压力场形式。
One of the fundamental problems in understanding life science at the molecular level is the relationship among structure, dynamics, and function of proteins.
蛋白质在溶液中的三维空间结构、动力学与蛋白质生物功能的关系是在分子水平上理解生命现象的重要基础。
One of the fundamental problems in understanding life science at the molecular level is the relationship among structure, dynamics, and function of proteins.
蛋白质在溶液中的三维空间结构、动力学与蛋白质生物功能的关系是在分子水平上理解生命现象的重要基础。
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