大體積混凝土溫度場溫度應(yīng)力三維有限元分析

1、河海大學(xué)碩士學(xué)位論文大體積混凝土溫度場溫度應(yīng)力三維有限元分析姓名：季強(qiáng)申請學(xué)位級別：碩士專業(yè)：工程力學(xué)指導(dǎo)教師：陳國榮20060601Ab啦ractAbstractWithmewidelyapplicationofmassconcretes打uctLlreinmOdemengineerings，meconcretecrackresultedfbmtcmperattlrestressaregemngmoreandmoreattention

2、ofpeopleButt11efactorsa虢ctingconcretecrackareVariousaIldthemechaJlismofgenemtingthecrackiscomplexandmerearesomanyresearch矗ndingshomeandoverseas，precises岫ulationofmei11|1ueⅡceofaUkindsoff如torsoncrackgenerationa11ddevel叩me

3、misimpossibleatpresentThegeneralFEManalysissoft、varesareu11abletosimulateactImlconstrIlctionprecisely，Almoughthepro鏟amsfortemper砒urecon_【rollillgareVarious，eVeryprogmm，whichbasicallyareclosed，haSdi疏rentemphasisandi拈merit

4、0ntllisback伊ound，inmep印er，basedontlleories咖diedbeforc，programmadebynnorforcomputing3DtemperatllreandstressneldsOfmaSsconcreteisvalidatedbyex鋤plesunderlotsofworkconditions，accordingtothe冊odyll鋤icscharacteristicsofmassconc

5、rete，aimedatimproVingmecomputatione伍ciencyoftempemtIlrea11dstressfieldsofmassconcrete0nthepreconditionofprecision，the、VorkofdatainputissiIIlplifiedByoptimizationoftheprogram，speedofcomputationishi曲lyadVanced，leadingtobet

6、terrcsul招insinglePCForusingprogramemciently，complexdatahandlingisincludedincorecomputeprogr帥，sothepreparationfor出|詛isassimpIeascommonstmctureaIlalysisInmodeling，theelementsandnodesofeverybatchofconcreteneedTl’tbecodedbys

7、equence，simpli母ingtheelementdiVision掣eatly，moreovernodesareoptimizedandthespeedofcalculationisimprovedOnmebasisofasimplecase，takingaoverfhlId啪inacertainengineeringasanexample，accordingt0actllralconsnuctconditionsaIldengi

8、r”eringinforIllation，daIIlconstmctprocessesaresimulatedTllroughtheanalysisoftemperaturefielda11dstressfield，mema)【imums訂essand印pemⅡcetiIIIearefoundFurmennore，sensitivenessofprogramtotemperatureandstressfieldsisValidatedb