1) spatial elastic instability
空间弹性失稳
1.
Through partial integration method and with the application of displacement and natural boundary condition for stress,we can get all order differential equations form variation equation of potential energy for spatial elastic instability and co.
在薄壁杆件空间弹性失稳势能的变分方程中 ,应用附加弯矩与扭矩及其所对应的失稳位移的曲率与扭率的增量来表达其外力失稳势能 。
2) elastic instability
弹性失稳
1.
The instability includes elastic instability and plastic instability in open-die extrusion.
长轴类零件开式挤压失稳包括弹性失稳和塑性失稳。
2.
The elastic instability of a gel cylinder was researched with classical elastic theory.
采用弹性理论研究了圆柱形胶体在表面张力作用下的弹性失稳问题;利用能量泛函变分的方法导出了发生弹性失稳的非经典边界条件,得到了失稳的判据方程。
3) elasto plastic instability
弹塑性失稳
1.
A new type of tensile curve, which exhibits elasto plastic instability(EPI),stress plateau and unconstant hardening exponent n, has been found at-196 ℃ in metastable material with low stacking fault energy(SFE).
曲线表现为弹塑性失稳εph 、应力平台εL 及硬化指数n 为不恒值的3 个特点。
2.
A general static model of the bridges compression members under concentrated transverse loads is set up in simulation of the simple model supporting the Shanley Theory which can satisfactorily explain the behavior of the axially loaded compression member in elasto plastic instability.
借助中心压杆弹塑性失稳的山雷 (Shanley)理论 ,利用静力平衡条件 ,针对桥梁结构中各型承压杆件在横桥向集中荷载作用下的梁 柱力学行为进行了建模分析 ,提出了横向临界力概念 ,探讨了横向集中荷载最不利作用位置的确定方
4) non-elastic stability failure
非弹性失稳
5) right lift
空间稳性
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