隧道衬砌结构的遗传算法优化设计

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1、硕士学位论文隧道衬砌结构的遗传算法优化设计学科专业：作者姓名：指导教师：壹±王捏王堡童堑往副塾攫一≥2。j。霪j妻。一、一。、二‘。_

2、、：、青每粤壬夫学薹耋≥。，二o6七年六肓j一三。青岛理工大学工学硕士学位论文AbsractWiththedevelopmentofcommunicationinourcountry,manytunnelsfirehavingbeenbuilt．Butnowadaystunneldesignmainlyadoptengineeringanalogismmethodbasedontunnelstandard．Soithasagreaturg

3、entneedtooptimizescientificallytunnelliningstructureforimprovingtheeconomicresultsandsecurityoftunnelliningaccordingtotunnelmechanicalcharacteristics．Inthepaper，geneticalgorithmsisfirstlyusedtooptimizetunnelliningsIl-uetttrefortheneed．Thecontentsa佗presentedinthethesisasfollows：1．Designafi

4、niteelementprogramAnⅥonthebasisofinteractionofsurroundingrock-tunnelliningstructure．Accordingtoelasticbearingmethodandimprovedtraditionalcomputationalelasticresistancemodelbycombiningelasticsupportandelasticfoundationbeam，thefiniteelementprogramATMisdesignedbyfortranlanguage．nefiniteeleme

5、ntsoRwareANSYSisappliedtoveilfythevalidationof删soitware．2．NolinearmodelparametersevalutionofgeneticalgorithmsprogramNPEisdevelopedbasedongeneticalgorithmsprincipleandthevalidationofNPEistestedbycomputerexperiment．3．11伦flowstructureonoptimizationofundergroundtunnelstructureisestablishedbas

6、edongeneticalgorithmsinthepaper．Geneticalgorithmsisfn'stlyusedtooptimizetunnelliningstructureandthesoftwareGOTofTunnelliningstructuregeneticalgorithmsoptimalprogramisdesigned．ThefiniteelementprogramATMisappliedtonolinearmodelparametersevalutionofgeneticalgorithmsprogramNPEBysettingupthema

7、thematicalmodels、^dththeleastmaterialcostasobjectiveandestablishingfitnessfunctionbypunchingfunctionmethod．Atlast，theprogramoftunnelliningstructureofgeneticalgorithmoptimazitionisstudied．4．ThetunnelliningstructureoptimalprogramofgeneticalgorithmsGOTisappliedtoapracticalprojectcasetosafely

8、andeconomicallyoptimizetunnelliningstructure．5．TheoptimalresultsarecomparedtotheANSYS’Sfirstorderoptirealresult．Fromtheconclusion,itisshownthatitissuccessfultoapplythegeneticalgorithmtooptimizethetunnelliningstnK：tl鹏．Tbeoptimalmethodputforwardisnotonlyeffectiveindes