基于PC集群系统的场地地震反应并行计算研究

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1、同济大学土木工程学院博士学位论文基于PC集群系统的场地地震反应并行计算研究姓名：夏江申请学位级别：博士专业：防灾减灾工程及防护工程指导教师：陈清军20070601ABSlRA(了ABSTRACTBasedonLinuxoperationsystemandmessagepassmginterface，buildedPCclustersystem，developedsiteseismieresponseanalysisprogramPSAP，packedPSAPandANSYS．researchedcalibratin

2、gmethodofseismicresponsespectrumbasedongeneticalgorithm．analysedsomesiteseismicresponseexamples．Themainresearchcontentsarelistedasfotlow：(王)BaseAonLinuxoperationsystemandmessagepassinginterface,buildedPCclustersystem．hadaperformancetestwithLinpaekforthePCclust

3、er．Theresultofperformancetesthasshowedthat，parallelcomputingaccelerateratioofthePCclusteris1．475．efficiencyis49，2％．TheresulthasindicatedthatthissystemcouldmeettherequirementsofFEMparalleIcomputing．(函AnalysedtheparallelcomputingfunctionofANSYS．BasedonPCclusters

4、ystem,hadaperfomancetestofANSYSparallelcomputongfunctionwithafactdynamicfiniteelememtexample．ThetestresulthasindicatedthatANSYSinthePCclustersystemcouldnotachievesatisfactoryperformanceparallelcomputing．③Developeddynamicfiniteelementparallelcomputingplatformba

5、sedonmessagepassingenvironment．InthePCcluster,usedtheTCP／IPnetworkprotocol，basedonmessagepassinginterface,programmedthesiteseismicresponseproceduresPSAPforparallelcomputingwithFortranandClanguage．TmsprocedureconnectedwiththeANSYSprogrambeforeprocessingfunction

6、s．@Researchedcalibratingmethodofseismicresponsespectrumbasedongeneticalgorithm，UsedthemethodtocalibratethespectraofTongiiUniversityteachingandresearchbuildingsiteseismicsafetyevaluationproject．⑤Inviewofthefourcoinlllonconditionsofsoillinearandnonlinearseismicr

7、esponseanalysis：uniformexcitationoflayeredsites；multi·supportedexcitationsoflayeredsites；uniformexcitationofcanyontopography；multi—supportedexcitationsofcanyontopography．VerifieatedtheresultofPSAPthroughthefactexamples，Analysedtheadvantagesandefficiencytosolve

8、large-scaleproblemsinPCcluster．KeyWords：parrallelcomputing,seismicresponse,PCcluster,nonlinearanalysis,uniformexcitation,multi．supportedexcitations‘n学位论文版权使用授权书本人完全了解同济大学关于收集、保存、使用