工程車輛ROPS非線性有限元模型修正方法研究.pdf

1、南京航空航天大學碩士學位論文工程車輛ROPS非線性有限元模型修正方法研究姓名：闞繼存申請學位級別：碩士專業(yè)：機械設計及理論指導教師：郭勤濤201101工程車輛ROPS非線性有限元模型修正方法研究AbstractRoll剛erprotections咖ctl鵬限OPS)isadeVicenlatisinstalled0n吐le0uts如鷺of鋤g涵e甜ngvelliclesWheIlt11evelliclesaremlling0verRoP

2、Scallbec伽∞鋤irnp6砌皿tgu蚴teet0preVemtlleve帖cks硒mrollillgoVer如油er，andprotecttlledriver脅being矗巧uredhlordert0improVeⅡleprediction∞蚴cy0fll璩丘lliteel伽∞ntmodel觚dc曲d1Ict缸desi四w詘ofRoPS，n璩n伽】jne孤f“teelemcntmodelu1)da婦gmeth‘證is哪ediIl廿

3、lesiIlmla硒Ilmodelofac瞰ailltypeofV枷cle一、＼RoPSnespeci五cre∞archworl(scallbedes嘶bed船folIo弧onmebasisof也e缸dal嘲叫p血cipleofelaSticpl琴疵mechaIlicsandmenolllille盯緬iteelementmemod，Ⅱ豫filliteelementm酣elofac嘲iIlt)，pe0fvellicleI的PSissetu

4、p11leyieldillglilIlitof‰腳矧alhaSgreati呷act0nmemini舢mlatemlcap∞時ofRoPS，so堂翊山西F球一?！?ft量lematerialandtheel嬲ticm0I塒usarechosen硒desig，!≯‘乏letersThenomine盯fmiteelementmodel叫‰g硫ed0n她resp0堅寶函‰e矗面蕊0disused0n恤specim肌‰RoPSwhose蚴自函al

5、i。要345，、蕊一磊南ss觚ds嘞l蕊ta唱etv撕a_blesThe姐eldiIlglilllitoftllem齜喇a(chǎn)l鋤dtlleel雒ticmodulusa陀mo他孔cu船teby1lpd州ngUsiIlgmeullive幅al痂【liteelem肌t越扭lysissoftw缸e_一MDNASTRANforRoPSillv撕ous叩emt崦conditionst0loadfiIliteelement鋤al灑s，mere鋤ltsS

6、howtllattheIIlj嘶mumlatt髓lc印aci劬t11esmallestene唱yabsorptioncap∞i劬Venicalcapac塒a11d10ngitudinalcap∞nyc鋤meetmeint鋤alionalst鋤d莉sforRoPSTheexp抵ntshavebeenpe娟姍edonⅡ圮vellicleRoPSaccordingt0tlleint鋤ational北mdardsThede伊ecofe邳emen

7、talresults姐dsinmlation他叭ltsisfairly900d，Whichi11dicates廿1ecorrectllessof廿letlleoreticalresearchThesimulationresultsaIldexperimentalresultsarecloserbyusiIlgmaterialp猢etersto觚alyzeagain，wllicha佗acqu沁dbyusingtllefhliteeleme

8、ntmodelup鋤mgThes咖l撕0nmodelbecomesmoreaCCUIla_teT11eresearchofnlispapercallbeusedtohelp位des諍ofRoPSaIldbeco眥a‰dationfortlle叩tiIllizingdesi印ofRoPSofen舀neeringVehicleItisalsoVeryiI印onantfore11h鋤ciIlgnlesecuri夠ofen舀neeringVeh