有限元接觸分析及其在飛機(jī)投放掛架中的應(yīng)用.pdf

1、代號(hào)10701分類號(hào)一一1341一!024221學(xué)號(hào)0407120130密級(jí)公開意簧它手料校宄警碩士學(xué)位論文題c中、英文，目一壹I里磊接觸分燃查飛扭援麟架蟲胸廛凰FEMCg_t_a_ct__A__n_a／xsisan_d!ts__A_p_p_licat!on她theReleaseMechanismConnectedtoaPIane一作者姓名里塵雄指導(dǎo)教師姓名、職務(wù)仇廈鷹熬援一學(xué)科門類王學(xué)一學(xué)科、專業(yè)機(jī)撼皂亍工程提交論文日期三9Q圭年瑚一

2、AbsWactAbstractThispaperisbasedontheresearchofclassicalcontactanalysisandFiniteElementMethod(FEM)contactanalysisTheresultscalculatedbyclassicalmethodaremoreprecisethanFEMandclassicalmethodismole：convenientthanFEM，butFEMc

3、ontactanalysisiswidelyusedbecauseitcanbeappliedtodifferentkindsofcontactproblemsBothmethodsa托usedtocalculatethecontactresultsbetweensimpleshapebodiestheresultstestieythatitisfeasibletodocontactanalysisbyFEMcontactanalysi

4、sTheloadreleasemechanismdiscussedinthispaperitscontactshapesalecomplexincludingmultisurfacecontactandplasticdeformationOCCUl苫whilethemechanismoperatesItisdifficulttoobtainitsplasticdeformationbyanalyticalmethods，whichnee

5、dFEMtosolvethisproblemANSYSisusedtocomputetheplasticdeformationoftheL0adreleasemechanismsomek盯pointssummarizedinthispapershouldbehelpfulwhenusingANSYStodocontactanalysisandalsosometechnicalsolutionsareproposedinthispaper

6、tosolvemanydifficultproblemssuch邵elementsdiscretizingcontactcouplecreating，eteIntheend，theeffectsoffrictiontakingonthemechanismarediscussedmodificationsareappliedtothemechanismandANSYSisusedtocomputethemodificatiOilresul