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。
In this paper, based on the variational principle of minimum complementary energy, the method of minimum complementary energy is put forward in calculating structure dynamic stress.
本文以最小余能原理为基础，提出了计算结构动态应力的最小余能法。
The primary cause of breakage is that the dynamic stress exceeded the allowable fatigue limit of the beam, and another cause is that the structure of the beam is unreasonable.
通过计算证明引起断裂的根本原因是动应力超过了梁的许用疲劳极限，另一原因是梁的结构不合理。
The vibration of tower cranes will cause greater dynamic stress, and the modal analysis is to determine the vibration characteristics of its structure and serves as the foundation of other dynamics.
塔式起重机的振动会引起较大的动态应力，模态分析就是确定其结构的振动特性，也是其他动力学的基础。
The result shows that the static equivalent stress and dynamic stress are both reduced by 50% or so after the structure being improved.
结果表明，采用改进结构后，静态等效应力和动应力均较改进前减少50%左右。
Dynamic simulation techniques for structure stress in a multimedia environment in the structural engineering field are studied.
探讨了在结构工程领域多媒体环境下结构动态模拟技术，提出了动态模拟的基本框架。
The feasibility to simulate the initial earth stress of the large underground structure by using the algorithm of dynamic relaxation and system damping in LS-DYNA is investigated.
主要研究使用LS-DYNA的动力松弛算法和系统阻尼算法相结合来求解大型地下结构初始地应力状态的可行性。
This method has reference values in analyzing the dynamic stress in some structure under transient loads such as blast and impact.
本文对于承受爆炸、冲击等瞬态载荷作用下的结构动应力计算也有参考价值。
The barrel shape structure work like an overhanging beam and when subjected to earthquake load, its dynamic stress of outer frame is greater than that of inner tube.
超高层筒体结构近似悬臂梁弯曲受力构件，在动力作用下，外框剪力墙的动应力反应要大于核心筒墙的动应力反应。
The analysis results indicate that the attenuation of additional dynamic stress along depth is reduced with existence of the structure under rail.
结果表明轨下构筑物的存在将减弱列车动应力往深层传递的衰减。
According to the traditional experimental designing method, the rotary tiller is made very heavy, the stress distribution is improper and the dynamic characteristic of the structure is not very well.
传统的经验设计法往往造成旋耕机结构笨重、应力分布不合理且动特性不佳。
According to the traditional experimental designing method, the rotary tiller is made very heavy, the stress distribution is improper and the dynamic characteristic of the structure is not very well.
传统的经验设计法往往造成旋耕机结构笨重、应力分布不合理且动特性不佳。
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