This paper discussed the designing method of damage tolerance, gave calculation formulas of reliability in crackle, and finally, for an example, optimal design of the pressure vessel has been set up.
论述了损伤容限设计的方法，给出了压力容器含裂纹的可靠度计算公式，并举例确定了某压力容器的最佳设计。
The calculation program of discrete optimal design of structures is developed.
编制了离散变量结构优化设计的计算程序。
In this paper, the calculation program of optimal design and ultimate analysis of truss structures is worked out.
本文编制了网架结构优化设计和极限分析的计算程序。并对网架结构进行了分析。
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