二維連續(xù)體結(jié)構(gòu)形狀優(yōu)化的理論與基于msc.nastran的軟件二次開(kāi)發(fā)

1、北京工業(yè)大學(xué)碩士學(xué)位論文二維連續(xù)體結(jié)構(gòu)形狀優(yōu)化的理論與基于MSC.NASTRAN的軟件二次開(kāi)發(fā)姓名：李棟申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：固體力學(xué)指導(dǎo)教師：隋允康2003.6.1AbstractAprogr鋤ofsh印eoptirIlizationfor押枷imensionalcOntinuurnstmctLlres，whjchiscarriedoutonMSC黝汀RAN&NASTRANpanel，isdescribediIlthisthesis

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5、ethjrdoneis山atmemeshshouldbegeneratedandchangedautomaticallyintlleprocessionofo洳izil培TWo—phasecOmrolindicatestllatwecaniIlSert伯，oIIlid—Variablesbet、ⅣeenobjectivefIlnctiona11ddesi弘Variables，whichare吐lekeypointsandnodesin也

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7、describedpreciselyU∞廿leMSC附LTRANtofo皿tllei11itialmesh，mencoI燈olthemeshilltheprocessionofoptimiziIlgusiIlgmappingmetllodTherefore，也edi歷cultiescanbesolvedby印plyiIlgthc1Wopllasecontr01nletllodThedevelo啪entofsh印eo砸nlizationm

8、oduleonMSC鼢皿UNisimpI鋤ented0n齜b硒eDfPCLJ鋤gtlageFu塒1e徹ore紕缸1cti0丑ofsh8peoptirnizationfortwo_diInensionco刪in咖g仉lcturesisaugmentedTheadvantagesofthjsprogmmliei11incorporating也emighty如nctionof也ef犯ollsstnlctureanalysissoft、vare

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