薄膜結(jié)構(gòu)形態(tài)分析與整體力學(xué)特性的研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文薄膜結(jié)構(gòu)形態(tài)分析與整體力學(xué)特性的研究姓名：劉家喜申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：趙世春20040701西南交通大學(xué)碩士研究生學(xué)位論文第|l頁(yè)AbstractThemerebrahestructcuresisonevitalstructureformofTheTensegritySystems，neyaredifferentfromtraditionalstructuresinthedesignandan

2、alysis—TheirstructcurestiffnessdependonthepreliminaryprestressInthispaperauthormainlycalryouttworesearchs：elementaryFormFindingandwholemechanicsperformance，ontheotherwaygainedsomeelementarycharacteristicofmembranestructc

3、uresthroughtheresearchsThispaperexpatiatethebasicprincipleofnonlinearfiniteelementofMembraneStructcures，inferrthebalanceequationofnonlinearaccordingtoULformula，discussthemethodsandtheconvergenceroleaboutsolvingnonlineare

4、quationsThenpassingthroughPedestalDisplacementmethodthispapercarryoutForm—findingofMembraneStructcuresinvirtueofGeneralfiniteelementprogrammeANSYSInthiswayweraveloutthecrucialstepoftheanalysisofMembraneStructcuresTheresu

5、ltofanalysisinthispaperindicatedthewaywhichbeusedisdependableandaccurateForthetwobasalconfigurations：saddleandumbrella—shapedstructcures，thispapertaffyoutparameterizedstudysuch踮High—spanratio、Pretension—ratiobettweenCabl

6、eandMembrane、RidgecableandsooilWeeducesomeconstructiveconclusionandsuggestionaboutthetwobasalconfigumtionsthroughtheobservationtotheinfluenceoftheseparametersThispapercomprehensivedepictanalyticalmethodofwholemechanicspe

7、rformanceofMembraneStmctcures，andauthorcarryoutgeometricalnonlinearanalysismakeuseofGeneralfiniteelememprogrammeANSYSthispapermostlycarry011tpararneterizedloadingstudyfortwoconfigurations：doublearchsaddleandumbrellashape

8、dstructcuresByreasonofumbrellashapedstructcuremostlyapplyinpracticethispaperearruythroughparticularstudytothisstructcureinsomeaspects—High—spanratio、Span、DifferentloadformatectWeconfirmstructuralresponseofmechanicalchara