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建立了超燃冲压发动机一体化设计的优化模型,研究了超燃冲压发动机在总体性能要求与约束条件下,进气道、燃烧室(含隔离段)、尾喷管之间的性能匹配和参数优化。针对将计算流体力学(CFD)方法应用到优化设计过程中所带来的运算量巨大的问题,引入了基于PVM(并行虚拟机)的遗传算法,为包含有复杂流场计算过程的优化设计问题提出了一条易于实现并经济、可靠的解决途径。
The optimization model of the scramjet integrated design was established. The performance matching and parameters of the scramjet between the intake port, the combustion chamber (including the isolation section) and the nozzle were studied under the requirements of overall performance and constraints of the scramjet. optimization. In order to solve the problem of computational fluid dynamics (CFD) method, which is a huge amount of computation in the process of optimization design, a genetic algorithm based on PVM (parallel virtual machine) is introduced to optimize the design process Put forward an easy and economical and reliable solution.