基于仿真和优化方法的共振破碎机振动系统反求研究

《基于仿真和优化方法的共振破碎机振动系统反求研究》由会员上传分享，免费在线阅读，更多相关内容在学术论文-天天文库。

1、西南交通大学硕士学位论文基于仿真和优化方法的共振破碎机振动系统反求研究姓名：晏星凡申请学位级别：硕士专业：机械设计及理论指导教师：李柏林20080501西南交通大学硕士研究生学位论文第1l页ABSTRACTSimulatingandcomputingforthereversedesignedobjectandgetthereasonableparameterbeforethedesignandmanufacuturingofthesamplemodelwillgreatlyreducethedesignerror,andcauselessmodificationandredesignofth

2、emodelandmeanwhileshortenthedesigncircleSOthatproductcanbequicklyputintothemarket．Inthisarticle，the3Dmodelingtechnology，FiniteElementAnalysis(FEA)，Optimizationanddynamicsimulationtechnologyareallcombinedtogethertodothereverseanalysisofvibratingsystem．Thedynamicperformanceofthevibratingsystemisstudi

3、edviadynamicsimulationandoptimizationandasetofparametervalueisobtained．Withthissetofparameters．thedynamicperformanceofthevirtualmodelisclosetotheproduct，whichhaspositivesignificancetoguidethedesignandmanufacturingofthesamplemodel．Meanwhile，themethodinthisarticelecanalsobereferencedbyotherreverseres

4、earchactivity．Thereversedesignofprincipleschemeandstructuralschemeisdiscussed．arapidmethodusingtheknownsolutionofthefunctionelementtogettheprincipleschemeisproposed．Withthismethod．theprincipleschemeofthevibratingsystemisobtained．Thestructuralcomponentsofthesystemisanalysedtogetthestructuraldiagram．

5、Dynamicanalysisofthevibratingsystemiscarriedouttopre·determinetheparameter,the“rigid—flexible”dynamicmodelisestablishedintheMulti·BodyDynamicSimulationPackage--SIMPACK．The“rigid—flexible”dynamicmodelisanalysedandsimulatedandtheresultiscomparedwiththeoutputoftheprototype，theparameterofthedynamicmode

6、lisadjustedtodiminishthegapbetweenthemodelandtheprototype．Thematerialofthevibratingbeamisresearchedanddetermined．Togetthebestscheme，theparametersobtainedfromthedynamicanalysisareoptimized．TheFEAmodelhasbeenestablishedintheFEA西童奎望查兰堕主堡室竺兰垡垒奎兰!!!要package—ANSYS．AndtheAPDLoptimizationfileiswrittenforth

7、emodel·Theoptimizationresultandthedynamicsimulationresultarecomparedtovalidatethecorrectness．WiththeinterfIacebetweenADAMS，PRO／EandANSYS，thesimplifiedoverall．modelofthemachineisestablishedintheADAMSpackaget