1扁平化对子午线轮胎力学性能影响的有限元分析_李兵.pdf

28 2 　　　 Vol.28 No.2 　 2007 6 　 　　　　　　　　　　　　　　CHINESE QUARTERLY OF MECHANICS　　　　　　　　　　　　　　 June2007 1, 2 1, 2 1, 2 3 李　兵 , 李子然 , 夏源明 , 李　炜 (1. , 　230027;2.　 , 　230026;3.(), 　231202) :185/ 60R14 , , ABAQUS/ Standard。 , , : :, , Mises, 。 , 。 :;; :TQ336.1;TB124　　:A　　:0254-0053(2007)02-209-8 Finit e Element Analysis for Effects of Aspect Ratio on Passenger Car Radial Tire 1, 2 1, 2 1, 2 3 LI Bing , LI Zi -ran , XIA Yuan -ming , LI Wei (1.Depart ent of ModernMechanics, University of Scienceand Technology ofChina, Hefei 230026, China; 2.CAS Key Laboratory of Mechanical Behavior and Designof Materials, University of Scienceand Technology of China, Hefei 230027, China;3.Giti Tire (China)RDDepart ent, Hefei 231202, China) Abst ract :Based on 185/60R14 PCR tire, thefinite ele ent odels for different aspect ratios were con- structed and analyzedwithABAQUS/Standard.Thenu erical results indicatethat thedifferent echani- cal behaviorswillbeobtainedwithtwodifferent ethodsusedtodecreasetheaspectratiooftire, altering thetiressectional height or altering thesectional width.For thefor er, the echanical perfor ancea- round beadareaisdeterioratedwiththedefor ation andstressincreasinggreatly.Forthelatter, the ax tension forceonbelt cordsdecreasesgreatly andthestressesat the iddleof belt cordschangefro co - press totension state.Both theMises stress and strain energy density at the probably dangerous area of the rubber structure in tirecrown decreaseobviously.In addition, such changein sectional width has lit- tle effectonthedefor ation on tiresideandbead.Hence, itisreco endedto akethetirebe