1、西北工業(yè)大學(xué)碩士學(xué)位論文復(fù)合材料多釘連接載荷分配均勻化方法姓名：黃豪杰申請學(xué)位級別：碩士專業(yè)：固體力學(xué)指導(dǎo)教師：張博平20070301西北工業(yè)大學(xué)碩士學(xué)位論文AbstractMultiboltmeekanicalcompositejoints8arewillyusedinthemainloadstructuresoftheaviationfieldIIowcveltbecauseofitsbrittlenessandlackofexte
2、nding’theloaddistributionismuelamOIeunequalineachboltthanmetalboltjointstheholethatbearmOlteloadwillfailurefirstwhichwillseriouslyinfluencethestatisticst陀啦andfatiguelifeThereforehowtoproportiontheloaddistributionistakena
3、ttentionbymany釀(pcrtsnlisarticlehasthroughthemethodofclassicdastieityandmodelof喊deducedthelinearequationsusedintheboltloaddislributionaswellasthesideroadloadoftlaesymmetricalst邢ctlⅡ齬；alsoithas，withthemethodof3DFEA，伯raugh
4、usee]earaneefitinthehigherloadholeandinterferencefitinthelOWel“10adholetoproportionloaddistribution11地calculationshowsthatthemaximalslzessinthedangerousa瑚ismuchlowerandtheminimalstressisgreaterinthesalflecondition；forjud
5、gethemaeroseopieallyfailureandfailuremodelWeu船the3DTsai—WuandHaslainfailurecriteriontheresultshowsthatthefailureamisdcclC鵲esby1lsethismethodAlsobyintroaueingtheeharaeteristieclUlVehypothesismethod鋤dtheYamadaStmfailurecri
6、terionthestrengthwhichusesuitableclearanceandinterferenceineachholecanimproveobviouslyFinallyinordertotigureouttheoptimizl丑fitparameterinthecompositemultiboltmechanicaljointstilearticlehasbintroclueingtheartificialneulal
7、networkthetargetfunctionisproportiontheloaddistributionandthestrengthratioineachholethere文mshowswhenthetargetfunctionistheproportionthestrengthratiotheholesa∞failure砒the賦蚰etimewhielacaninaketheslrengthofthemultiboltslrue