地震作用下建筑結(jié)構(gòu)有限元-透射邊界系統(tǒng)的模型.pdf

1、合肥工業(yè)大學(xué)碩士學(xué)位論文地震作用下建筑結(jié)構(gòu)有限元透射邊界系統(tǒng)的模型姓名：劉魏朕申請(qǐng)學(xué)位級(jí)別：碩士專(zhuān)業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：沈馮強(qiáng)王靜峰20100401ModeloffiniteelementtransmittingboundarysystemforbuildingstructuresunderearthquakeABSTRACTInordertoovercomethedrawbackofclassicalfixedboundarymode

2、ls，afiniteelementmodelofstructurefoundationsystemhasbeensuggestedinthispaperfortheearthquakeresponseanalysisofframestructuresThispaperpresentsamodeloftransmittingboundarysystem，whichisusedinthestructureseismicresponseana

3、lysisInthemodel，thecomponentsofupperframestructures，suchasbeamsandcolumns，aresimulatedwithplanefournodequadrilateralparametricelements，whilethefoundationistheuseoffournodeplanestrainisoparametricdiscreteInthestructurefou

4、ndationfiniteelementmodel，borderinsideofthefoundationadoptedwithbundles，andthebottomoftheadoptedwithmodifiedviscoustransmittingboundaryAccordingtothefluctuationsinelasticmediumtheory，theuseofminimumpotentialenergyprincip

5、leisderivedtomodifiedviscoustransmittingboundarystiffnessmatrixanddampingmatrixThroughagivenseismicwaves，comparedwiththeresultsoflocaltransmittingboundary，themodifiedviscoustransmittingboundarymodelprovesmoreeffectiveKey