cylindrical shell

Aim To study the internal pressure variation of liquid filled cylindrical shell under axial impact.

目的研究充满液体的圆柱壳轴向冲击过程中的内压变化规律.

Thermal and mechanical response of the internally pressured cylindrical shell under laser irradiation is analyzed by FEM/ Explicit, and the dynamic failure phenomenon, including thermal softening, ablation and bursting, are simulated.

采用动力有限元显式积分程序，对承受内压、在侧面受到激光辐照的圆柱壳的热力学响应进行了数值模拟，展现了圆柱壳热软化、鼓包和爆裂的动态失效过程。

The analysis for free vibration of ring-stiffened circular cylindrical shell with variable thickness was presented.

分析了环肋变厚度圆柱壳的自振特性.

Acoustic scattering from submerged double infinite concentric cylindrical shell insonified by incident plane wave is studied.

研究水下双层无限长圆柱壳体的声散射.

The finite element code LS_DYNA is used to investigate the response of the axisymmetry cylindrical shell under the thermal impact, and the curves of displacement vs time and that of stress vs time are obtained.

最后利用有限元程序LS-DYNA对轴对称圆柱壳受高速热冲击作用进行了计算机仿真分析，得到了位移时间曲线和单元的应力时间曲线，同文献已有的结果吻合的较好。

Based on the theory of thermal conductivity in weld zone and selection appropriate for weld type, a correct weld joint between cylindrical shell and its bottom head is designed. It is the efficient joint to prevent the oil cylinder from welding distortion.

根据焊接热传导的理论，选择适当的配合类别，设计出合理的缸体与缸底的焊接接头，可有效地防止缸体的焊接变形。

Vibration response distributions of single ring stiffened cylindrical shell and multi-ring stiffened cylindrical shell are studied.

研究了单筋圆柱壳体表面的振动响应分布,推导了多筋圆柱壳体表面的振动响应计算公式.

This article discusses the dynamic computation of the closed cylindrical shell under impact load.

本文讨论闭合圆柱形壳体在冲击荷载作用下的动力计算.

A corresponding computer program by using finite element methed is coded in FORTRAN 77 and is implemented on microcomputers. Numerical results show that the thermal stress and material softening irradiated laser beam will induce the catastrophic buckling failure of the pre compressed cylindrical shell.

数值计算结果表明，激光照射区域产生的热应力和材料软化将导致处于正常工作状态的轴压圆柱壳发生灾难性的热屈曲破坏。

The Simulation of the Dynamic Response of Short Cylindrical Shell under Thermal Impact

短圆柱壳在热冲击作用下动力响应的计算机模拟

The dynamic response at different positions flat end plat and cylindrical shell was comparatively analyzed.

分析对比壳体和封头不同位置应力响应.

The analytic calculation approach for discontinuous stress of thickness variable cylindrical shell has been established.

建立了变厚度筒壳过渡结构不连续应力的解析计算方法.

An exact solution is presented for the axially symmetric problem of laminated closed cantilever cylindrical shell.

给出叠层闭口悬臂圆柱壳轴对称问题的精确解.