得到了快速扩展裂纹的动态应力强度因子。
Finally, the dynamic stress intensity factors of the fast-propagating crack is obtained.
分析了椭圆孔口端点和裂纹端点处的变动态应力。
Stress analysis in variation states at crack tip and notch crown tip is presented.
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。
The accurate calculation of complex structure dynamic stress has not been fully solved in structure dynamics.
给出了瞬态的位移场和运动裂纹尖端的动态应力强度因子。
The transient displacement field and the dynamic stress intensity factor at the moving crack tip are obtained.
同时，发现动态应力强度因子比相应的静态应力强度因子大。
Meanwhile, we find the dynamical stress intensity factor is bigger than the statical stress intensity factor under the same conditions.
对半移动式破碎站上的塔楼进行结构设计和静、动态应力分析。
The tower building of the semi_movable crusher system has been designed and its static and dynamic stress has been analyzed.
继而进一步计算了膜片静态三种组合的平均应力以及动态应力。
Then three static average stress and the dynamic stre. ss are further studied.
人们发现，动态应力强度因子的变化滞后于应力脉冲冲击几微秒。
The dynamic SIF variation was found to lag behind the stress - pulse impingement by several microseconds.
试样的受力状态对动态应力强度因子历史曲线的确定具有重要影响。
The loading state of specimen is important for calculation of the temporal evolution of dynamic stress intensity factor.
与应变计直测应变技术相结合得到了混凝土的动态应力-应变关系。
The uniformity of stress within the concrete specimen is analyzed with the data from the PVDF gauges between the bar and the specimen, and combined the data dir…
它们的结果表明：钝切口比尖锐切口的动态应力强度因子增长率更快。
Their results showed a more rapid rate of increase in the dynamic sif for blunt than for sharp notches.
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。
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.
而动态应力在传播过程中衰减。因此，余震的发生是一个负反馈过程。
Meanwhile during the process of dynamical stress propagation, its amplitude decays. So the aftershock occurrence of the Tangshan earthquake is a negative feedback process.
地震动态应力使围压产生低值波动，一方面使围压减小、摩擦力减小；
The dynamical stress produced by superposition or interference of reflected stress wave makes confining pressure reduce and change at low values.
利用自相似函数的方法获得应力、位移和动态应力强度因子的解析解。
The universal representations of analytical solutions are obtained by the approaches of self-similar functions.
计算结果与试验结果对比表明，该方法可有效预测油箱托挂件上的动态应力。
The comparison between the calculation results and test result indicates that this method can effectively predicate dynamic stress of oil tank add-on parts.
同时，对试件内的动态应力分布进行了数值模拟，验证了动态试验的有效性。
At the same time, numerical simulation of dynamic stress distribution in specimens was performed to validate the experiment.
研究了闭锁机构在三种不同情况下的动态应力分布规律，校核了闭锁机构的强度。
The rules of the distribution and magnitude of dynamic stresses of the breech mechanism in three different situations have been studied. The intensity of the breech mechanism has been checked.
研究表明断层形态会影响动态应力，认为地震触发的位置与孕震体边界形状有关。
Study suggests that triggering position should be relied on the boundary shape of a rock body.
测试了五种纤维束的准静态和动态应力应变关系，并比较了它们对应变率的敏感性。
The dynamic tensile properties of five types of high strength fiber bundles were measured and the sensitivity of strain rates was investigated.
文中得到了动态应力集中系数随辅助孔直径的变化规律，同时得到了辅助孔的优化尺寸。
The variation of the DSCF with the diameter of the auxiliary hole has been presented and the optimum size of the auxiliary hole has been obtained.
根据优化设计的结果，进行了静态应力分析和动态应力分析，确保了后续装配过程的安全性。
According to the results of optimizing design, we carried out the static stress analysis and the dynamic stress analysis, and insured the safety of the later assemble processes.
用动态光弹性法和有限元法研究了带有圆孔的平面直杆在冲击载荷作用下动态应力集中的优化问题。
Minimizing the dynamic stress concentration around holes in strut subjected to impact loading was studied in the paper.
三维裂纹在动态断裂力学中由于其数学和物理上的复杂性，求解其动态应力强度因子受到一定的限制。
Because of the complexity in mathematics and the physics, solving the three-dimensional dynamic stress intensity factors is certainly limit.
实验结果表明：泡沫铝夹层板的动态应力应变曲线也具有泡沫材料的应力应变曲线的“三阶段”特征。
The results indicate that the dynamic stress-strain curves of sandwich beams with aluminum foam core also show the "three-stages" characteristics in general foam materials.
通过进行ADAMS与ANSYS之间的双向数据交换，对该喷管弹性机构构件进行了动态应力分析。
Through bidirectional data interchange between ADAMS and ANSYS, dynamic stress analysis of this elastic mechanism is conducted.
微机电系统(MEMS)动态应力的瞬态特性决定了传统的应力测试系统无法直接满足它的测试需要。
The transient characteristics of the dynamic stress of MEMS (Micro Electro Mechanical system) decides that it is hard to be measured directly by using the traditional stress measurement system.
通过几个露天矿采场边坡的动态应力比评价，说明了该方法的内容与应用过程，揭示了其本质与优点。
The evaluation of some open pit slopes' explains the content and application progress of this method, and delineates its essence and advantage.
结果表明动态应力强度因子的最大值在加载时间上有滞后性现象，它的最大值随厚壁筒尺寸增加而增加。
The result indicates that the maximum of dynamical stress intensity factor arrives behind the load time and increases with the size of thick wall cylinder.
结果表明动态应力强度因子的最大值在加载时间上有滞后性现象，它的最大值随厚壁筒尺寸增加而增加。
The result indicates that the maximum of dynamical stress intensity factor arrives behind the load time and increases with the size of thick wall cylinder.
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