1) initial yielding surface
初始屈服曲面
2) initial yield surface
初始屈服面
3) initial yielding
初始屈服
1.
After thin slab initial yielding,it still has remarkable latent capacity.
冷弯薄壁型钢可以看成是由几块相互联系的平板组成,薄板在初始屈服后,还有相当大的潜在能力,本文通过39根卷边槽钢柱和卷边角钢柱进行了试验研究,并与理论值进行了比较,结果显示理论值与试验实测值吻合较好。
4) primary buckling
初始屈曲
5) initial post-buckling
初始后屈曲
1.
Using the initial post-buckling theory and the cusp catastrophic model,the bifurcation buckling mechanism and unstability of roof strata were studied to derive the formulae of the main roof breaking convergence during the first weighting,to build the criterion of step convergence after the main roof breaking and to determine the final step convergence value.
应用初始后屈曲理论和尖点突变模型探讨了顶板岩层分岔失稳的机理及其屈曲后的不稳定性,得出了采场老顶初次来压时断裂下沉的计算公式,建立了顶板破断后台阶下沉的判据,给出了台阶下沉量。
2.
Using Koiter′s theory of initial post-buckling,and considering normal component force acted on side slope with bedding rock mass as initial imperfection,the unstability of imperfection system is studied.
应用Koiter的初始后屈曲理论,视作用于顺层边坡岩体结构上的法向分力为初始缺陷,以探讨非完善系统的不稳定性。
3.
To discuss the behavior of initial post-buckling of cast-in-situ rock-socketed piles widely used in bridge engineering,the total potential energy equation of the pile-soil system was first obtained from the simplified beam model on elastic foundation and corresponding flexure function of the pile shaft.
为了探讨桥梁工程中广泛使用的嵌岩灌注桩的初始后屈曲性状,先基于弹性地基梁理论假定桩身后屈曲分析模型与相应的桩身挠曲位移函数,由此建立桩土体系的总势能方程;然后采用扰动法,基于能量原理导得不同约束情况下桩顶临界荷载的变化式,并据此讨论了桩土刚度比、桩身埋置率及桩顶自由长度等对桩身后屈曲性状的影响规律。
6) initial postbuckling
初始后屈曲
1.
In the numerical calculation,the effects of various delamination parameters on buckling and initial postbuckling of the delaminated composite cylindrical sh.
基于非线性弹性理论,建立了含脱层正交铺设圆柱壳的后屈曲控制方程,应用Koiter初始后屈曲理论和小参数摄动法,导出了系统的一阶和二阶摄动控制方程,以及相应的边界条件、位移连续条件和力平衡条件,然后逐阶求解。
补充资料：屈服曲面
屈服曲面
yield surface
qufu qum一an屈服曲面(yield。urfaee)屈服函数(f(氏，)二0)在主应力空间表现出的几何曲面图形。如在主应力空间特雷斯卡(H.Tresca)屈服条件是一个无限长的正六棱柱面，而米泽斯(R.von Mises)屈服条件是一个无限长的圆柱面(见屈服条件)。若主应力空间中，任意一点的坐标(称为应力点)位于屈服曲面上，则意味着该点是满足屈服条件的，即该点开始进入塑性变形状态。若应力点位于屈服曲面以内(f(氏，)<0)，则意味着该点是处于弹性变形状杰，
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