大型結(jié)構(gòu)的快速求解技術(shù)

1、同濟(jì)大學(xué)碩士學(xué)位論文大型結(jié)構(gòu)的快速求解技術(shù)姓名：王忠全申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：張其林20040301川濟(jì)人學(xué)申請(qǐng)壩I‘學(xué)位論殳摘監(jiān)AbstractPracticalEngineeringproblemseRRbepowerfullysolvedbyfiniteelementanalyses(FEA)methodForthecomplexandhighprecisionstructuralanalysisproblems

2、，hugemeshesandnodesareusuallyrequiredThatwillresultinsolvinglinearequationswithverylargesizesThecoefficientmatrixoftheFEAissymmetricalandsparseWhilethetraditionaldatastoragemethods、suchasskylineactivecolumnstoragescheme，

3、don’tmakefulluseofthetwocharactersofFEAcoefficientmatrixTheconventionalstorageschemesmemorizemuchredundantdataThenthediskandmemoryrequirementarehigherandmoretimehavetobespenttohandlethosenonnecessaryzeroelementsUsuallyth

4、ecapacityofthecompmer’Shardwareisrestricted，itwillbeverydifficultforsolutionofproblemswithlargescalefreedomsInordertobreakthroughthisrestriction，anewsparsematrixstoragemethodisdevelopedinthispaperAhighpoweredoptimumorder

5、ingschemeisselectedandrealizedSparsematrixstoragemethodorderingschemeanddirectsolutionareintegratedtoachievethesparsematrixsolverinthepaperThenewsolverwhichisefficientcanbeusedinsolvinglargesparsesystemsoflinearequations