自選參數(shù)動力松弛法在張拉結(jié)構(gòu)找形中的研究.pdf

1、西南交通大學(xué)碩士學(xué)位論文自選參數(shù)動力松弛法在張拉結(jié)構(gòu)找形中的研究姓名：蔡宏儒申請學(xué)位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：趙世春2003.2.1西南交通大學(xué)碩士研究生學(xué)位論文第lI頁AbstractInrecentyears，alongwithincreasingsocialdemands，theWidespanspatialstructuresaredevelopingfastAsoneofthespatialstructuresform

2、s，thetensionstructuresarewidelyapPliedTheresultoftensionstructures’formfindingisthefoundatJontostaticanalysiSTheformfindinganalysis，usually，includesforcedensitymethod、dynamiCrelaxationmethod、nonlinearfiniteelementmethodT

3、heresearchonthedynamicrelaxationmethodinformfindinganalysiSjSstillinadequateIthasagreatsignificancetousetheformfindinganalysiSoftheautomatiCchoiceparameterdynamiCrelaxationinpracticalengineeringThereforethisthesiSconduct

4、ssomeresearchonapplyingtheautomaticchoiceparameterdynamicrelaxationinformfindinganalysisoftensionstructuresTheresearchincludessuchaspectsasbelow：】Researchonapplicationoftheautomaticchoiceparameterdynamicrelaxationinthefo

5、rmfindinganalysiSoftensionstructures，andtrytofindoutasolution2ConductingpreliminarydiscussOnthecomputationresultoftheautomaticchoiceparameterdynamicrelaxationunderconditionssuchas：cabletension、imbalanceforcesprecision、di

6、splacementprecision、selfmassandSOon3ThemodelofnonlinearfiniteelementformfindingestablishedbythefiniteelementanalysiSsoftwareANSYS70iScomparedwiththemodelofautomatiCchoiceparameterdynamicrelaxationformfindingestablishedby

7、mathematiCsoftwareMathematica404Establishingapracticalconstructionmodelbyusingtheautomaticchoiceparameterdynamicrelaxation，Thencomparingtheresultwiththeresultbyusingnon]inearfinitee】ementKeywords：dynamiCreIaxation：optimi