轎車車身結(jié)構(gòu)碰撞數(shù)據(jù)模擬計(jì)算研究.pdf

1、大連理工大學(xué)碩士學(xué)位論文轎車車身結(jié)構(gòu)碰撞數(shù)據(jù)模擬計(jì)算研究姓名：蘇保國申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：汽車工程指導(dǎo)教師：宋振寰于學(xué)兵2001.6.1大連理工大學(xué)碩士學(xué)位論文ABSTRACTABSTRACTAstheamountofallkindsofautomobilesisincreasingtrafficaccidentshavebecomeaseriousworldwideproblem.Everyyearitisestimatedthat

2、over500000peoplediedintrafficaccidentsallovertheworld.Trafficaccidentshavebroughtgreatdamagetothelivesandpropertiesofhumanbeings.Thereforeresearchonautomobilepassivesafetyisnowadaysbecomingoneofthemostimportantsubjectsin

3、thestudyofautomobilesafetytechniques.ThestudyontheproportionofthosekilledinallkindsofautoaccidentsinChinashowsthatfrontalcrashisthebigestandtheworstone.Focusingonthiscasethetopicheregivesaseriesofnumericalsimulationandem

4、ulationalcalculationsonthecarfrontalcrash.InthisarticleANSYSfLSDYNAwhichbelongstothehighlynonlinearfiniteelementsoftwareisappliedinthenumericalsimulationanalysisforthewholecarfrontalcrashwhosestudycontentcanbedividedinto

5、twoparts:awholecarimpactingwitharigidbarrierandtwowholecarimpactingeachother.TherulesandlawsshowninthenumericalsimulationanalysisandintheresultsofcalculationshavebeensummarizedMoreoverthecasesofdiferentimpactvelocitiesan

6、ddiferentframerigidityandtherulesandlawsshowninthemhavebeendiscussedAttheendofthepaperseveralpiecesofinfantilitysuggestionstothefurtherstudyareputforward.KeyWords:CarcrashTherulesandlawsofcarcrashFrontalcrashNumericalsim