2013美国大学生数学建模竞赛论文

2013美国大学生数学建模竞赛论文

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时间:2019-03-26

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1、TeamControlNumberForofficeuseonlyT1T2T3T418674ProblemChosenForofficeuseonlyF1F2F3F42013MathematicalContestinModeling(MCM)SummarySheet(Attachacopyofthispagetoyoursolutionpaper.)Typeasummaryofyourresultsonthispage・Donotineludethenameofyourschool,advisor,orteammembersonthispage・summa

2、ryOursolutionpapermainlydealswiththefollowingproblems:•Howtomeasurethedistributionofheatacrosstheouteredgeofpansindifferentshapesandmaximizeevendistributionofheatforthepan•Howtodesigntheshapeofpansinordertomakethebestofspaceinanoven•Howtooptimizeacombinationoftheformertwocondition

3、s・Whenbuildingthemathematicmodels,wemakesomeassumptionstogetthemtobemorereasonable.Oneofthemajorassumptionsisthatheatisevenlydistributedwithintheoven.Wealsointroducesomenewvariablestohelpdescribetheproblem・Tosolvealloftheproblems,wedesignthreemodels・Basedontheequationofheatconduct

4、ion,wcsimulatethedistributionofheatacrosstheouteredgewiththehelpofsomemathematicalsoftwares.Inaddition,takingthesameareaofallthepansintoconsideration,weanalyzetherateofspaceutilizationratioinsteadofthinkingaboutmaximalnumberofpanscontainedintheoven.What,smore,weoptimizeacombinatio

5、nofconditions(1)and(2)tofindoutthebestshapeandbuildafunctiontoshowtherelationbetweenthewcightincssofbothconditionsandthewidthtolengthratio,andtoillustratehowtheresultsvarywithdifferentvaluesofW/Landp.Totestourmodels,wecomparetheresultsobtainedbystimulationandourmodels,tofindthatou

6、rmodelsfitthetruthwell.Yet,therearestillsmallerrors.Forinstance,inModelOne,theerroriswithin1.2%.Inourmodels,wcintroducetherateofsatisfactiontoshowhoweventhedistributionofheatacrosstheouteredgeofapanisclearly.AndwiththehelpofmathematicalsoftwaressuchasMatlab,weaddmanypicturesintoou

7、rmodels,makingthemmoreintuitivelyclea匚Butourmodelsarenotperfectandtherearesomeshortcomingssuchaslackingspecificanalysisofthedistributionofheatacrosstheouteredgeofapanofirregularshapes.Inspiteofthese,ourmodelscanmainlypredicttheactualconditions,withinreasonablerangeoferror.TheUltim

8、ateBrowniePanAbstractWeintroducet

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