1) tensile instability criterion
拉伸失稳判据
2) Tensile Failure
拉伸失稳
1.
On the Tensile Failure and Material Failure in the Tensile Test of Metal Material;
论金属材料拉伸试验中的拉伸失稳与材料失稳
2.
More attentions to the tensile failure in tension test are paid;but the material failure is overlooked.
在材料力学的常规拉伸试验中,往往仅关心拉伸失稳而忽视了材料是否失稳。
3) instability criterion
失稳判据
1.
Deformation failure characters and instability criterion of abutment rock slope in Heihe reservoir
黑河水库坝肩岩质边坡变形破坏特征及失稳判据
2.
Discussion on analysis of slope instability criterion by strength reduction FEM
强度折减有限元法分析边坡失稳判据讨论
3.
Analytical solution of instability criterion for fault rockburst is proposed using shear strain gradient plasticity theory and energy criterion.
应用应变梯度塑性理论及能量准则,提出了断层岩爆的失稳判据的解析解。
4) failure criteria
失稳判据
1.
There are three failure criterias of shear strength reduction method using FEM.
强度折减有限元法的失稳判据主要有3种:①以有限元解的收敛性判定失稳状态;②根据计算域内最大节点位移与折减系数之间关系曲线变化特征判定失稳状态;③通过计算域内塑性区是否贯通判定失稳状态。
2.
There are three failure criteria of shear strength reduction method using FEM.
强度折减有限元法的失稳判据主要有3种:第一种以有限元解的收敛性判定失稳状态;第二种根据计算域内最大节点位移与折减系数之间关系曲线变化特征判定失稳状态;第3种通过计算域内塑性区是否贯通判定失稳状态。
3.
To resolve the numerous problems about stability analysis etc during the process of constructing expressways,the research on failure criteria of soil-similar cutting slopes was worked out by finite element method ANSYS in this paper based on shear strength reductionve methods.
为了解决在公路建设中遭遇的大量类土质路堑边坡的稳定性分析评价等问题,利用ANSYS有限元分析软件,结合有限元的强度折减理论,对类土质路堑边坡的失稳判据展开了研究。
5) failure criterion
失稳判据
1.
A viewpoint that failure criterion should be matched with numerical calculation s iterative algorithm,strain mode assumption and other corresponding problems was put forward based on calculation and analysis of typical examples to study the applicability of different slope failure criterion in shear strength reduction finite element method(SSRFEM).
为了研究强度折减有限元法中各种边坡失稳判据的适用性,在典型算例分析计算的基础上,提出了"失稳判据的选择应和所采用的数值计算的迭代方法、应变模式假定等问题相匹配"的观点。
2.
The safety coefficient has classified and in the meanwhile through the practice,a new failure criterion is proposed.
本文首次将三维强度折减法应用到地下洞室围岩稳定性分析中,对安全系数进行分类,并且提出新的失稳判据。
6) criterion of instability
失稳判据
1.
the method of rock simulation,the co-action of the dam and abutment,the mechanism of abutment instability,and the criterion of instability.
阐述坝肩稳定评价中主要包括的4个方面内容:坝肩岩体的模拟方式,坝体和坝肩的联合作用,失稳机理和失稳判据。
补充资料：裂纹失稳扩展
分子式：
CAS号：
性质：材料内部裂纹尖端的应力场强度因子达到或超过材料的断裂韧性之后发生的裂纹快速扩展。裂纹失稳扩展将导致材料迅速断裂。
CAS号：
性质：材料内部裂纹尖端的应力场强度因子达到或超过材料的断裂韧性之后发生的裂纹快速扩展。裂纹失稳扩展将导致材料迅速断裂。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条