基于拓扑优化的热几何稳定性设计方法

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1、基于拓扑优化的热几何稳定性设计方法TheMethodofThermalGeometricStabilityDesignBasedOnTopologyOptimizationAbstractWiththecomprehensivedevelopmentofmanufacturingtechnology，thelevelofmanufacturingtechnologyofhigh-precisionmanufacturingeqmpmentishigherandhigher．As11igh-precisionmanufactu

2、ringequipment，suchashigh-endCNCmachinetoolsandbasicmanufacturingeqmpment，providetheplatformforaerospace，automobilemanufacturing，aircraftcarrier，powergenerationequipmentetc．，developingthecoretechnologyandenhancingthecapabilityofindependentinnovationisimminent．Thewor

3、kingprecisionoflligh．precisionmanufacturingequipmentasoneoftheimportantindicatorstomeasurehigh-precisioneqmpmentperformance，isacrucialevaluationindexindesignofhigh-precisionmanufacturingeqmpment．Inthispaper，toimprovetheprecisionofhighprecisioneqmpment，consideringth

4、ethermalworkingenvironmentofhigh—precisioneqmpment，choosingthethermalgeometricstabilityastheobjective，usingthetopologyoptimizationtechniques，thedesignofthermalgeometricstabilitybasedontopologyoptimizationisrealized．小T11ispaperestablishesadescriptionofthethermalgeom

5、etricstabilityandtheobjectiveofthermalgeometricstabilityconsideringcarryingcapacity．Fordifferentengineeringproblems，differentdescriptionsofthefunctionandtheobjectivefunctionshouldbeputforward．Strainenergyonthestructureastheobjectiveandthedisplacementofapointastheob

6、jectiveiscompared，leadingtothethermalgeometricstabilityproblem．b)Basedontheideaoftopologyoptimization，topologyoptimizationmodelandsolutionmethodsforthethermalconductivityoftheflexibilityconstraintfullycoupledcarryingcapacityinthermalgeome仃icstabilityproblemscomeout

7、．Improvetheprecisionofhigh．precisionmanufacturingequipmentcouldstartfromtheconceptdesign，becauseagoodconceptmodelCanprovideanimportantguaranteeforthefollow-upoffreedesign．Topologyoptimizationtechnologymakestheideaoftheconceptdesigntobecomeareality．Bythelong．termpra

8、cticeandanalysis，topologymodelhasagreatinfluenceonthetopologyresults．So，thispaperstudieshowtomaketheappropriatetopologyoptimizationmodel，andpropo