动力弹塑性分析的直接积分法.ppt

《动力弹塑性分析的直接积分法.ppt》由会员上传分享，免费在线阅读，更多相关内容在教育资源-天天文库。

1、动力弹塑性分析的直接积分法MIDASIT开发二组动力弹塑性分析功能中的恢复力特性恢复力特性•Kinematichardening(标准型)•Isotropichardening(标准型)•Mixedhardening(标准型)•Trilinearpeak-oriented(最大点指向型)•Trilinearorigin-oriented(原点指向型)•Degradingbilinear•Degradingtrilinear•Trilinearelastic•Ramberg-Osgood(Ramberg-Osgood型)•Takeda(武田型)•Takedawithslip•Tr

2、ilinearslip•Degradingstiffnessmodel-Clough&Johnston•逆行型•ひび割れ域剛性低下型•JR總硏剛性低減RC型•JR總硏剛性低減SRC型•マルチリニアの逆行型•3次係數逆行型User-definedHysteresisModel•Degradingstiffness&strength•Pinching&slip•Fibermodel•Multi-axialspringmodel•Tri-axialspringmodelAxialSpringModelsComparisonofVariousAxialSpringModelsFiber

3、ModelMulti-axialSpringModelTri-axialSpringModelSectionDivisionConcreteSteelTakedaModelModelsComparisonofTri-axialSpringModelwithTestResultsSpecimenLoadHistoryComparisonofTri-axialSpringModelEX-T1.FreeVibrationof2DFrame:Linear&NonlinearTimeHistoryAnalysisbyModalAnalysis&DirectIntegrationLinea

4、rAnalysisModelwithProportionalDamping2kk2kkc=2a1kc=a1k2mm2mmppppProportionalDamping:C=a1KNonlinearAnalysisModelwithNL-LinkLLLL•SectionDimension1stStoryColumn:b=0.1(m),h=0.1(m)2ndStoryColumn:b=0.1(m),h=0.1(m)•ColumnLength:L=4(m)•Material:E=2E+11(N/m2)•NodalMass:m=10000(kgf/g)•Damping:C=a1·Ka1

5、=5.60171411E-2•Quasi-staticLoad:p=6150(N)ModelPropertiesQuasi-StaticLoadandInitialDisplacementppx2(0)=2cmx1(0)=1cmDisplacementResultQuasi-staticLoadingFreeVibrationTime(sec)TheoreticalLinearModalAnalysisNonlinearModalAnalysisLinearDirectIntegrationNonlinearDirectIntegration1.8-1.705E-02-1.70

6、8E-02(1.002)-1.708E-02(1.002)-1.708E-02(1.002)-1.708E-02(1.002)3.61.447E-021.450E-02(1.002)1.450E-02(1.002)1.451E-02(1.003)1.450E-02(1.002)5.4-1.222E-02-1.226E-02(1.003)-1.226E-02(1.003)-1.227E-02(1.003)-1.226E-02(1.003)7.21.028E-021.032E-02(1.004)1.031E-02(1.003)1.033E-02(1.005)1.032E-02(1.

7、004)Theoretical&NumericalSolutionof2ndFloorDisplacement(m)EX-T2.SimpleBeamsupportedbyViscousDamper:NonlinearTimeHistoryAnalysisbyModalAnalysis&DirectIntegrationcpTheoreticalAnalysisModelLLmmcE,IE,IBeam&ViscousDamperEquivalentSDFModelNumericalAnalys