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Minimum cost design of hybrid composite cylinders with temperature dependent properties

机译：具有温度相关特性的混合复合材料气瓶的最低成本设计

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摘要

Laminated composite cylinders are optimized with the objective of minimizing the material costs by means of hybridization. They are modelled as thick cylinders working under internal and/or external pressures. The optimal designs are subject to a lower bound on the failure pressure determined by the maximum stress criteria. The cylinders are constructed such that the stress patterns match the material properties by placing the stronger material in high stress areas and the weaker material in low stress areas. The resulting structure is of hybrid construction and the cost minimization is achieved not only by using an inexpensive material but also by minimizing the amount of the expensive material used in the design.
机译：优化层压复合材料圆柱体的目的是通过杂交将材料成本降至最低。它们被建模为在内部和/或外部压力下工作的厚圆柱体。最佳设计应遵循由最大应力标准确定的破坏压力的下限。通过将强度较高的材料放置在高应力区域中并将强度较弱的材料放置在低应力区域中，构造圆柱体，使应力模式与材料特性匹配。所得到的结构是混合结构，不仅通过使用便宜的材料，而且通过最小化设计中使用的昂贵材料的量，实现了成本的最小化。

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