将多级燃气涡轮的设计问题表述为其空气动力学损失和质量为极小化目标的多目标非线性数学规划问题。
The problem of multistage design of gas turbines is formulated as a multiobjective nonlinear programming problem with the objective functions of minimum aerodynamic loss and total mass of the turbine.
用序列无约束极小化方法（SUMT）求解非线性有约束的优化问题。
The non linear optimization problem with constraint has been solved by use of the sequential unconstrained minimization technique (SUMT).
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