1) extremal instability
极值型失稳
2) limit-load instability
极值失稳
1.
This problem is here considered as one of limit-load instability.
本文按极值失稳问题,考虑几何非线性和材料非线性的影响,对斜拉桥面内整体失稳分析方法进行了研究。
3) loss of stability of extreme point
极值点失稳
4) instability type
失稳类型
1.
Determining curve of instability type of ruptured rock block of key stratum and combinatorial key stratum are analyzed.
分析了单一主关键层、组合关键层断裂失稳类型判断曲线 ,指出已往文献中所出现的差错 ,并提出了正确的断裂岩块失稳类型判断曲线 ,为组合关键层在浅埋煤层顶板控制中的正确应用提供了依据 。
5) buckling form
失稳模型
1.
Two models of lateral bucking were given on the basis of composite beams buckling form,composite beams lateral buckling was studied in negative bending regions by the energy method,and the formula which was used to calculate critical bending moment in the elastic stage was deduced.
鉴于钢-混凝土组合梁在负弯矩作用下,组合梁中“工”字钢梁的下翼缘受压,在没有侧向支承的情况下,很容易出现整体失稳的现象,根据组合梁整体失稳的形式建立了2种失稳模型,并采用能量法对组合梁负弯矩区的侧向稳定性进行探讨,给出组合梁在弹性受力阶段临界弯矩的计算公式。
6) C-type instability
C型失稳
1.
The process of evolution, especially that of nonlinear evolution, of C-type instability of laminar-turbulent flow transition in nonparallel boundary layers are studied by means of a newly developed method called parabolic stability equations (PSE).
提出用抛物化稳定性方程(PSE)新方法,研究非平行边界层从层流向湍流转捩的C型失稳的演化过程,特别是非线性演化问题。
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