框架結(jié)構(gòu)在不同阻尼器模型下的動力分析研究.pdf

1、湖南大學(xué)碩士學(xué)位論文框架結(jié)構(gòu)在不同阻尼器模型下的動力分析研究姓名：劉劍申請學(xué)位級別：碩士專業(yè)：結(jié)構(gòu)工程指導(dǎo)教師：何益斌20050501框架結(jié)構(gòu)在不同阻尼器模裂r的動力分析研究AbstractWiththedevelopmentoftechnolgyonthemitigationofseismicdisaster，moreandmoreenergydissipationsystemshavebeenappliedinthebuilding

2、sInthispapertheauthoranalysisthestiffnessandcharacteristicofdissipationoftwodifferenttypeofdamper：displacementdependentdamperandvelocitydependentdampeBacedonthis，theseismicperformanceofstructuresincorporationgthefriction

3、aldampersandviscoelasticdampersisanalysisthroughtimehistoryanalysisThemainresearchcontentsofthisthesisareasfollows：1Analysisthecharacteristicofdissipationoffrictionaldamperandcomparedthedifferencesofstiffnessofthefrictio

4、naldamperswithslidepoleornotAnewkindofenergydissipationbracewasdevisedtoconsumevibrationenergybyrotationalandslidingfrictionThenonlinearconstitutiverelationshipmodeloftheenergydissipationbraceiSfound2Thecharacteristicoft

5、heviscoelasticdamperandfourcalculatingmodelswhichareusedtoanalyzetheviscoelasticdamperareintroduced，Maxwellmodel，kelvinmodelandstandardlinearitysolidmodelareusedtoanalyzetheSA一3viscoelasticdampingmaterialandanalyticalmod

6、elareusedtoanalyzesomekindofadampingmaterial，thenthroughthecomparisionofanalyticalresultsandexperimentalresultsomeconclusionsaregiveout3ThestiffnessofsteelstructureandfrictionaldampersiSsimulatedbytwofoldlinestillnessret

7、rogrademodel，thepaperhaswrittenaprogramwithlanguageMATLABandtheelastoplasticanalysisoffrictionalstructureiscarried7Ihcelastoplasticanalysisofviscoelasticstructureiscarriedwithmodemcontroltheorywhenstructureissimulatedbyt