in this paper, the nonlinear stability problem of a truncated shallow spherical shell under composite load is discussed by using modified iteration method.
用修正迭代法讨论了开顶扁球壳在均布及中心集中载荷联合作用下的非线性稳定问题,得到了临界荷载的二次近似解。
the yield conditions of axisymmetric circular plate and shallow spherical shell of reinforced concrete based on twin shear stress yield criterion are presented in the paper.
导出了基于双剪屈服準则的钢筋混凝土球扁壳的屈服条件,并利用此屈服条件求解出其极限荷载。
through numerical comparison, it reveals that the paraboloidal shell of second degree i. e. the shallow spherical shell is a most favorable design among all under this particular loading.
通过数值计算的比较表明,球面扁壳乃是在这类载荷形式之下具有最佳承载性能的壳体。
the finite element model of shallow spherical shell structures impacting a rigid plate is developed using the software ls-dyna.
使用ls-dyna软件建立了薄壁扁球壳结构撞击刚性板的有限元模型,并通过试验结果对模型的有效性进行了验证。
in this paper, the problem of nonlinear dynamic buckling of corrugated shallow spherical shell used sensor component is studied.
研究了用于传感器弹性元件波纹扁球壳的非线性动态屈曲问题。
the imperfect part of a spherical shell is taken as a shallow spherical shell and the function of the remainder is simplified as the elastic constraints.
以扁球壳代替球壳缺陷部分,把其余部分的作用简化为弹性约束。
dynamic response and energy absorbing characteristics of shallow spherical shell structures when impacting a rigid plate are studied here.
对薄壁扁球壳结构撞击刚性板的动态响应和吸能特性进行了研究。
the stresses on the back surface of the shallow spherical shell of the mirror are calculated and compared with the experimental values as well.
文中还计算了球面扁壳型铜镜的镜背表面应力,并和实测数据作了对比。
bimetallic shallow spherical shell is an important elastic element for thermal sensitivity in precision instrument.
在精密仪器热敏弹性元件中,双层金属中心开孔扁球壳占有很重要的地位。