復(fù)雜流體相關(guān)問題理論研究.pdf

1、Y76977S飯旦大擎博士、學(xué)位論文學(xué)校代碼：10246學(xué)導(dǎo)990250復(fù)雜流體相關(guān)問題理論研究院系：專姓業(yè)：：竺竺名：——墨窒塑指導(dǎo)教師完成日期陶瑞寶教授2003：年5月15口髯震疊蹇寥葛SoMEPROBLEMSINTHETHEoRYOFQUASICoNFoRMALMAPPINGSABSTRACT”Softmatter”waSfirstpointedoutin1991byPierre～GfilesdeGennesinhisNobelp

2、rizelecture，insteadofthe”complexfluids”whichprefertocallbyAmeri—cansAndlater’’softcondensedmatter”wasalsousedinsomemagzines，thissub—jectbasedonphysics，chemicalandbiology，studismainlythestatebetweensolidandliquid，includin

3、gliquidcrystals，polymers，surfactant，membrane，colloid，solutions，foam，particlem。edium，andlivingsystem，anditindeedbecomesoneofthefrontierofcondensedmatterphysicsin21stcentur37Thisthesisaimsmainlyatthreetheoreticalproblemsin

4、softcondensedmatterphysics，includingthestripephasegroundstateinferrofluids，shear—inducedbehaiorinasolutionofcylindricalmicelles，andstatiticruleaboutringsstructureofmagnet—icalballsystem，wegaveaprimarystudyusingtheoretica

5、landcomputersimulationmethodThisthesisiscomposedoftheibllowingfourchapters：Chapterone，PrefaceThischapterdevotedtoexpositionofthe”softcondensedmatter’andthemainlystudiedareasChaptertwobegaintoshowthestudyonstripephaSeoffe

6、rrofluidsDuringthefirstforewordsectionwegivesomereviewofearlierexperimentalresultsandsometheoreticalexplains；Thesecondsectiontalksabouttherationalityofsim—plifythesystemusingdipolefluids；Thethirdsectiondiscussedthecharac

7、teristicsofstripephaseofthesystem’sBasestate，andgiveabriefcomparewiththeexperimentresultsChapterthreestudiedabouttheshear—inducedbehavioroflivingmicellesolutionsThefirstsectionistheforeword，whichgiveabriefreportofthemain

8、charactristicofthissystem；Thesecondsectionintroducedthesmallangleneutronscatteringexperimentmethod：andtheusinginlivingmieellesolutions；ThethirdsectionintrducedtheLevenberg—Marquartleasetsquaremethodusedinourstudy；Thefour

9、thsectionconcentratedontilestudiesabouttheeffectiveviscosityandtheparametersofthesizeofcylindricalinicellesChapterfourdevotedtothe_疊_tudyonringsstructureofmagneticparticlesandtheirstatisticruleSectiononeistheforeword，giv