In calculation, adopted load-unload criterion of stress wave propagation was to decide load-unload state of element and to adjusts and transfers internal stress for tensile failure element as well.
计算中用应力波传播的加卸载判别准则来决定单元的加卸载状态，对受拉破坏单元进行内部应力调整和应力转移。
At the same time, how to establish the failure criterion of brittle materials in biaxial stress state is one of people's goal.
与此同时，如何建立脆性材料在双轴应力作用下的破坏准则一直是人们所追求的目标之一。
Although there are many experiments under multiaxial stress states, most of the results mainly concern to the strength and failure criterion of concrete.
虽然三轴试验较多，但是主要是针对三轴情况下混凝土的强度(破坏准则)，没有具体针对不同围压应力比下的应力—应变关系做出研究。
On this basis, the failure criterion of concrete simultaneously considering the freeze-thaw cycle and tension-compression ratio in principle stress space and octahedral space is established.
在此基础上，分析了双轴拉-压极限强度随冻融循环次数的变化规律，并在主应力空间和八面体应力空间建立了同时考虑冻融循环次数和拉压比的破坏准则。
When the failure criterion is decided, the limit accumulate energy dissipation can be fitted by a formula which includes the average stress, deviator stress ratio and cyclic axial stress.
当破坏标准选定时，界限累积耗损能量与平均应力、偏应力比及动应力间较好的回归关系。
In order to approach the failure criterion of sand, an experiment of independent control three-dimensional stress of sand has been performed with some simpler device.
为了探索砂土的破坏条件，曾利用比较简单的设备进行了一种砂土的控制三向压力试验。
The horizontal well stress distribution and the rock failure criterion constitute a fracture initiation mathematical model, which was solved by the iteration method.
水平井井筒应力分布和岩石破坏准则构成了水平井压裂裂缝起裂数学模型，利用迭代法对模型进行了求解。
The main rock stress failure criteria and their applicability are introduced and it is necessary to study the deformation failure criterion.
介绍了主要岩石应力破坏判据及其适用性，提出了变形破坏判据研究的必要性。
Then the stress distribution of anchored rock mass with partial pull-out failure is analyzed based on the maximum shear stress criterion.
基于最大剪应力破坏准则，分析了局部脱粘破坏锚固体的应力分布。
The strength of filament-wound pipe is evaluated by ANSYS. With properties of its layer element and the maximum stress criterion, the pressure failure load is obtained.
基于A NSYS有限元分析软件，利用其中的层合板单元，对纤维缠绕复合材料弯管的强度进行分析，并进一步预测了弯管的破坏压力。
It is also shown that under the creep limit failure criterion, the creep internal stress method has the advantage of less test time in comparison with the isothermal...
而以蠕变极限为失效准则的蠕变内应力法与常规的以蠕变试验为基础的等温外推法相比，还具有试验时间短的优点。
Before the search of main fatigue failure modes, this paper added the critical failure internal stress criterion, reducing the calculation of recognition algorithms for identifying failure modes.
在主要疲劳失效模式搜寻前增加了临界失效内力判据，减小了识别失效模式算法的计算量；
Before the search of main fatigue failure modes, this paper added the critical failure internal stress criterion, reducing the calculation of recognition algorithms for identifying failure modes.
在主要疲劳失效模式搜寻前增加了临界失效内力判据，减小了识别失效模式算法的计算量；
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