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- These models normally consist of spherical shells whose surfaces are known from seismic evidence. 这些模型通常是由一层层球圈所组成,它们的界面由地震资料所证实。
- The motion we observe on this spherical shell does not represent at all the true motion of the celestial bodies. 我们在这个天球上看到的运动完全不能代表天体的真实运动。
- The dieless hydro-bulge process of stainless steel spherical shells are numerically simulated by elasto-plastic FEM. 用弹塑性有限元对不锈钢球壳液压胀形过程进行了数值模拟。
- As a numerical example, nonlinear free and forced vibration phenomena of shallow spherical shells with sinusoidal corrugation are studied. 作为算例,研究了正弦波纹扁球壳的非线性自由和受迫振动现象。
- Light emitted from the inner surface of a spherical shell, for instance, satisfies that requirement. 唯一的条件是,这道想像的光束一开始是会聚的,例如从球壳内层表面发出的光就满足这个条件。
- In this paper, a detailed review of investigation of dynamic snap-through buckling of composite shallow spherical shells is present. 本文对复合材料扁球壳的非线性冲击跳跃屈曲的研究进行了较为详细的综述,介绍了这一领域的研究历史及其发展。
- Based on the method of approximate aualysis suggested in an earlier paper[8], axisymmetrie and nonsymmetric vibrations of spherical shells are studied in this paper. 本文借助于用柱面函数近似表示球函数,用近似解析法研究了弹性球壳的自由振动,按准确理论,扁壳理论和薄膜理论计算了轴对称和非轴对称自振频率。
- According to the principle of the "spherical shell destabilization" theory, the forming processes of outburst hole and extruding hole are studied. 依据关于突出机理的“球壳失稳”假说对突出孔洞及压出孔洞的形成过程进行了研究。
- Based on instantaneous potential energy principle and spline interpolate function, the dynamic equation of flat spherical shell is derived. 基于瞬时变分原理与样条函数理论,建立扁球壳的动力方程。
- In this paper, axisymmetric nonlinear dynamic equations of fiber reinforced symmetric cross-ply laminated flat spherical shells are found including transverse shear deformation. 本文建立了考虑横向剪切影响、纤维增强对称正交铺设层合扁球壳的非线性动力方程。
- To insure the safety of the pressurized spherical shell of the deep manned submersible,the low cycle fatigue is analyzed. 为了确保载人潜水器载人球壳的安全性,必须进行载人球壳的低周疲劳寿命分析。
- 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 main object of this paper is to investigate the natural frequencies and model shapes offree vibrations of shallow spherical shells on the two-parameter elastic foundation. 本文研究双参数弹性地基上扁球壳的自由振动频率和振型,推导了计及地基惯性力影响的扁壳自由振动控制方程。
- A new time-mode approach to nonlinear axisymmetric free vibrations of cylindrically orthotropic thin shallow spherical shells is presented in this paper. 给出了一种研究圆柱正交异性扁薄球壳非线性轴对称自由振动的新的时间模态方法。
- Each one is contained in a spherical shell surrounded by layers of elemental matter that mark the boundary between mundane space and the unlimited spiritual world. 每个宇宙被物质元素构成的壳所包裹着,这些层层的壳就是物质世界与无限的灵性世界的分界。
- Tills paper is concerned with the thermal and mechanical response of a spheric shell subjected to an internal pressure and the irradiation of a high power laser beam. 强激光辐照导弹壳体材料使其软化甚至熔融击穿,导致导弹壳体结构强度降低,在气动载荷和惯性载荷的共同作用下,导弹壳体可能产生结构失稳。
- A simple approximate calculation method is given, which can exactly reconstruct the long distance non-ideal propagation of detonation waves in the spherical shell of the charge. 针对实验结果给出一种简便的近似计算方法,它能准确地重现炸药球壳中长程绕射爆轰波的非理想传播行为。
- The experiment of the long distance diffraction propagation of detonation waves in a spherical shell of plastic bonded HMX/TATB=87/7 explosive has been conducted. 摘要进行了一点引爆的塑料粘结炸药(HMX/TATB=87/7)球壳中长程绕射爆轰波传播实验。
- The vibration of a thin elastic spherical shell in a bubbly layer is analyzed theoretically so as to investigate the effect of bubbly layer on structural vibration. 对气幕中弹性薄球壳的振动进行理论分析,以探讨气幕对结构振动的影响。
- On account of the for-mula of angle deformation and alternate edge,a nomographic chart of angle deformationand alternate edge of "spherical shell" has been built. 和根据电测值对被测球壳几何缺陷形貌的分析预测进行了尝试;