Based on the principle of optimum design, an optimization mathematical model of forging multi-pieces for saving material has been advanced.
本文根据最优化设计原理，推导并建立了大锻件多件拼锻节材的最优化数学模型。
The paper designs a sum of square function, which is an optimization mathematical model that makes the residual sum of squares of wax deposition rate between the calculated and the measured minimum.
通过设计一个平方和函数，使蜡沉积速率的计算值与实测值的残差平方和为最小的优化数学模型成为一个无约束的非线性规划问题。
An optimization mathematical model of cutting elements is founded by technical requirement and forced condition when turning. The optimum of cutting elements is got by using penalty function method.
根据车削时的加工要求和受力情况，建立切削用量优化设计的数学模型，采用惩罚函数法进行优化，得到了切削用量的优化结果。
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