In this paper, multi multi variable non linear programming theory is used to optimize the design of piping systems for in flow pulsation reduction.
本文采用多变量非线性规划理论，研究适宜于管道系统降低气流脉动的优化方法。
2
Two gate variablereduction principles, algorithms of computing K-trees and minimum K-cuts of a network are proposed firstly.
首先提出了网络门限变量的两个化简原则及计算网络K-树和极小K-割的算法。
3
The structural topology optimization method—variable density method is used to optimize the topology of an acoustic_box for interior sound pressure reduction.