试谈2011数学中国数学建模网络挑战赛a题特等奖论文

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1、试谈2011数学中国数学建模网络挑战赛A题特等奖论文试谈2011数学中国数学建模X络挑战赛A题特等奖论文_导读：的成果是违反竞赛规则的,如果引用别人的成果或其他公开的资料（包括X上查到的资料），必须按照规定的试谈2011数学中国数学建模X络挑战赛A题特等奖论文_(2)导读：X、Y、Z三个方向的变形也最小，舱门可安全打开。参赛队号所选题目1753A参赛（由组委会填写）参赛队号#1753英文摘要（选填）Abstractentofaviationandthegroberoftheplaneinrecentyears,theuseofplanesandhe

2、licoptersinoffshoreorsea-crossingissof1.53293.9499.7舱门X方向变形/cm6.059.2816.5.78舱门Y方向变形/cm3.767.7312.523.75舱门Z方向变形/cm0.641.853.267.65结果表明：客机以5°攻角着水时，客机腹部和尾翼应力峰值最小，客机的舱门X、Y、Z三个方向的变形也最小，舱门可安全打开。参赛队号所选题目1753A参赛（由组委会填写）参赛队号#1753英文摘要（选填）Abstractentofaviationandthegroberoftheplaneinrec

3、entyears,theuseofplanesandhelicoptersinoffshoreorsea-crossingissofrequentthattheoccurrenceofercialaircraft1959to1991shoodelshop;,the;flip;andsoon;andontheotherhand,itcanensurethattheloakethecabinnoe,andtoeandspaceforoccupantsafetyevacuation.Becauseulti-fieldcoupling,theproblem

4、isveryplicated.Basedontheissues,fromtheclassicmulti-elasticcoupling5678910试谈2011数学中国数学建模X络挑战赛A题特等奖论文_(3)导读：edthekiicequations.Thisplifytheproblemintosolvingasetofordinarydifferentialequations,makingtheaircraftlandingstanceproblemsolvable.UsingABAQUSsofttobuildthefiniteelementm

5、odeloftheaircraft,andimportspecificparameters,thenbasedontheNearentmethodbyusingtriangularshellelementmodelforsolvingthediscretedomainoftheplaneandfoundthedisplacementfunctionsandestablishedthekiicequations.Thisplifytheproblemintosolvingasetofordinarydifferentialequations,maki

6、ngtheaircraftlandingstanceproblemsolvable.UsingABAQUSsofttobuildthefiniteelementmodeloftheaircraft,andimportspecificparameters,thenbasedontheNearkmethodtodecouplecontrolequations.Throughthekiiccalculationson4kindsofinalpeakstress/MPa37.8558.79141.2214.6Tailpeakstress/MPa58.798

7、1.53293.9499.7HatchXdirectiondeformation/cm6.059.2816.5.78HatchYdirectiondeformation/cm3.767.7312.523.75HatchZdirectiondeformation/cm0.641.853.267.65Theresultshoinalpeakstressandthetailpeakstressaretheminimum,theX,Y,Zdeformationinthehatchdooralsoistheminimum,th5678910试谈2011数学中

8、国数学建模X络挑战赛A题特等奖论文_(4)导读：ehatchdoorcanopensafely.参赛队号#17531、问题