地鐵列車振動影響下的流體動力彌散.pdf

1、北京交通大學碩士學位論文地鐵列車振動影響下的流體動力彌散姓名：曹磊申請學位級別：碩士專業(yè)：巖土工程指導教師：陳文化20061101韭塞窯煎叁堂硒堂位監(jiān)毫△旦S至壁△￡至ABSTRACTABSTRAC’I’：TheresourceofgroundwateriSthematterwithoutthatwecan’tproduceandliveWeoftenusethisnatureresourceineveryday’slifeButwit

2、htheheighteningofourlifelevelthegrowingoftheindustryandagriculturethesituationofthegroundwaterpollutionismoreseriousincreasinglyAtthemeanwhile，therailwaybuildingisdevelopingrapidlyespeciallythesubwayisWhenthetrainismovin

3、g，theremaybethegroundwaterpollutionproblemAndtheplacethetrainpassedthroughmayhavebeenpollutedInthatcaseitissignificativetllattheresearchwhichisabouthydrodynamicdispersionwiththeeffectofmetrotrainsvibrationThetransportway

4、sofsoluteintheporousmediamainlyincludeconvectionanddispersionThedispersionisduetothestructureoftheporousmediaHereonthebasisofthetheoryaboutsolutetransportinporousmediacoupledwiththemodelofporewaterpressurewiththeeffectof

5、trainvibration，accordingtotheconservationofmass，aconvection—dispersionequationforhydrodynamicdispersionwiththeeffectofvibrationfrommetrotrainsisdeducedcomplyingwithsomefundamentaltheoriesThismodelissolvedbyfinitedifferen

6、ce，withprogrammingcorrespondingprogramThesaturatedsandstratumjSregardedastwophasemediaandothersareregardedassingle—phasemediaAndthesourceofpolluteisapointWithsingletrailpassingandsometrainspassingthedistributionofpolluta