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首页> 外文会议>Annual technical conference of the American Society for composites 2009;Technical conference of the American Society for composites 2009;Joint Canadian-American technical conference on composites >Analysis of Thick-wall Composite Cylindrical Pressure Vessels under the Effect of Cyclic Internal Pressure and Cyclic Temperature
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Analysis of Thick-wall Composite Cylindrical Pressure Vessels under the Effect of Cyclic Internal Pressure and Cyclic Temperature

机译：循环内压和循环温度对厚壁复合圆柱压力容器的影响分析

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摘要

Thick-wall pressure vessels have are widely used in industries. Evaluation of stresses and strains on a thick-wall cylinder is very important for a doctrinaire design. In this paper, complete analysis of stresses within the wall of a composite cylindrical pressure vessel subjected to cyclic internal pressure and temperature is studied. At first, equations of stress and strain are obtained with theoretical method and then, distribution of temperature within cylinder-wall is evaluated on the basis of the forward finite difference technique. This is done by changing of partial differential equation of heat conduction to finite difference equations in both districts of space and time. At the end, different components of mechanical and thermal stresses are obtained in different radiuses of the cylinder-wall. All calculations are done using the MATLAB package.
机译：厚壁压力容器已广泛用于工业中。厚壁圆筒上的应力和应变的评估对于教条设计非常重要。本文对循环内压和温度作用下复合圆柱压力容器壁内的应力进行了全面分析。首先，用理论方法获得了应力和应变方程，然后，基于正向有限差分技术，对缸壁内的温度分布进行了评估。这是通过在空间和时间两个方向上将热传导的偏微分方程更改为有限差分方程来完成的。最后，在气缸壁的不同半径处获得了不同的机械应力和热应力分量。所有计算均使用MATLAB软件包完成。

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