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IntroductionExtensive research works have been published for solving nonlinear mathematicprogramming problems.Nonetheless,it is still difficult to find an effective and universalapproach for general programming problems with multiple design variables and … 相似文献
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本文根据离散变量结构优化设计的特点,提出了增益系数的数学定义、物理意义以及频率约束下增益系数的求法,采用文[1]提出的算法,求解频率禁区约束下的离散变量结构优化设计问题。 相似文献
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I.Intr0ducti0nAmajorithofthestructuraloptimumproblemsarediscreteonesinengineeringpractice.Becauseofthebasicreason,namelythediscontinuityofdesignvariables,thediscreteoptimizationhastwoprominentdifficulties:(l)Themodelsofdiscreteoptimizationsarenonconvexpro… 相似文献
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IntroductionAnunevendistributionoftheclearanceofvane_tipalongthecircumferenceorientationcausedbytherelativeeccentricitybetweenimpellerandcylinderofsteamturbinewillresultunequalpneumaticforceofthevanesatthesamestage .Asaresult,inadditiontoatorque,thetra… 相似文献
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