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中文摘要：
根据释放热变形的方式和承载要求,基于热弹性力学的基本理论,对金属热防护系统的支架进行结构设计。设计了带有侧翼的柔性支架及带有凹槽的柔性支架,分析比较了这两种支架形式的承载能力。研究了支架的高度、抗弯刚度和螺栓孔的位置、半径对支架及面板最大应力的影响,总结出最佳的设计方案。结果表明：带有凹槽的支架的承载能力高于带有侧翼的支架。面板的最大应力与支架的位置呈抛物线函数关系,而与支架的高度关系不大,且螺栓孔半径越大面板的最大应力就越小。
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