應(yīng)用多群體遺傳算法反演地下重力模型.pdf

1、同濟(jì)大學(xué)海洋與地球科學(xué)學(xué)院碩士學(xué)位論文應(yīng)用多群體遺傳算法反演地下重力模型姓名：胡龍勝申請(qǐng)學(xué)位級(jí)別：碩士專業(yè)：固體地球物理指導(dǎo)教師：王家林20030306AbstractConsideringthedemandofprospectofoilandgas，geology。wemakefurtherimproveonourgeneticalgorithmsusedtogravityinversionandmakeinversionsearch

2、ontwodimension，threedimensioninterfaceThepapersummarizedthegeneralsituationofthegravityinversionandtheapplicationinearthphysicsofgeneticalgorithmsFurthmore，weexpatiatethecommontheo吖andspecialitiyofgeneticalgorithmsItakem

3、ulticolonygeneticalgorithmstoinversegravitymodelforthefirsttimeF0rtheselection，crossandmutationindifferentcolony，Itakeseveraldifferentmethodsbasedongravitymodel，toimprovethediversityofcolonyandtoincreasethesearchefficien

4、cyandveracityUndertheguideoftheidea。ItaketheplatformofVisualCtodevelopoutthesoftwareofgravityinversionbygeneticalgorithmsIseparatelyestablishthevariationaldensityechelonmodel。25dimensionmodelandsingleinterfacethreedimens

5、ionmodelandmaketestonthemTheresultsshoweffectivenotonlyinsingleinterfaceinversionontwodimension。25dimensionandthreedimensionbutalsoinseveraIinterfacesinversionontwodimensionand25dimensionConsidenngtheknowndatagivenbythes

6、eism，geologyanddrill。lgivesomemothodtomakedifferentrestricationinalgorithmstoreducethesearchboundAtlast，lapplytheimprovedalgorithmintheprocessoffielddataTheresultshowthealgorithmiSresultfulKeyword：geneticalgorithmsgravit