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General Link Passive Vibration Control Base Isolation Applications Inelastic Time- History Analysis Fiber Models Inelastic Time- History Analysis Fiber.

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Presentation on theme: "General Link Passive Vibration Control Base Isolation Applications Inelastic Time- History Analysis Fiber Models Inelastic Time- History Analysis Fiber."— Presentation transcript:

1 General Link Passive Vibration Control Base Isolation Applications Inelastic Time- History Analysis Fiber Models Inelastic Time- History Analysis Fiber Models Boundary Nonlinear General Link Boundary Nonlinear Analysis Viscoealstic DamperHysteretic System Lead Rubber BearingFriction Pendulum System Passive Vibration Control Base Isolation System Miscellaneous

2 General Link – Passive Vibration Control Maxwell Model Kelvin(Voigt) Model Damper-Brace Assembly (Maxwell+Kelvin) Viscoealstic DamperGap Type LinkHook Type LinkHysteretic System Boundary Nonlinear General Link Passive Vibration Control Base Isolation Applications Passive Vibration Control Inelastic Time- History Analysis Fiber Models Inelastic Time- History Analysis Fiber Models Miscellaneous

3 General Link – Isolating System LRB Isolator FPB Isolator Boundary Nonlinear General Link Passive Vibration Control Base Isolation Applications Base Isolation Inelastic Time- History Analysis Fiber Models Inelastic Time- History Analysis Fiber Models Miscellaneous

4 General Link – Seismic Analysis of the Isolating System Seismic Isolation Analysis Ground Acceleration Time History Graph Frequency Domain Function Hysteretic Curve of The Isolator Isolator : LRB or FPB Boundary Nonlinear General Link Passive Vibration Control Base Isolation Applications Inelastic Time- History Analysis Fiber Models Inelastic Time- History Analysis Fiber Models Miscellaneous

5 Yield Surface Properties Hysteresis Models Boundary Nonlinear Inelastic Hinges Hysteretic Models Applications Inelastic Time- History Analysis Fiber Models Hysteretic Models Miscellaneous

6 Hysteresis Models - Simplified Boundary Nonlinear Inelastic Hinges Hysteretic Models Applications Inelastic Time- History Analysis Fiber Models Hysteretic Models Miscellaneous

7 Hysteresis Models - Degrading Boundary Nonlinear Inelastic Hinges Hysteretic Models Applications Inelastic Time- History Analysis Fiber Models Hysteretic Models Miscellaneous

8 Hysteresis Models – Nonlinear Elastic & Slip Boundary Nonlinear Inelastic Hinges Hysteretic Models Applications Inelastic Time- History Analysis Fiber Models Hysteretic Models Miscellaneous

9 Hysteresis Models – Properties Hinge Properties Inelastic Properties of each component. Yield Properties Define Hysteresis Curve by specifying yield strength or stiffness reduction ratio. Deformation Indexes Data required for calculating the indexes, which represent the level of deformation of an inelastic hinge Boundary Nonlinear Inelastic Hinges Hysteretic Models Applications Inelastic Time- History Analysis Fiber Models Hysteretic Models Miscellaneous

10 Applications Inelastic Time History Analysis of an Extradosed Bridge - Artificial Ground Acceleration - Takeda Model Boundary Nonlinear Inelastic Hinges Hysteretic Models Applications Inelastic Time- History Analysis Fiber Models Applications Miscellaneous

11 Applications Result – Hinge Status Hinge Status Ductility Factor Deformation Force Status of Yielding Boundary Nonlinear Inelastic Hinges Hysteretic Models Applications Inelastic Time- History Analysis Fiber Models Applications Miscellaneous

12 Applications Result – Hysteresis Curve of Inelastic Hinges Ground Accleration Hinge Status Hysteresis Curve (Ry-My) Hysteresis Curve (Rz-Mz) Boundary Nonlinear Inelastic Hinges Hysteretic Models Applications Inelastic Time- History Analysis Fiber Models Applications Miscellaneous

13 Boundary Nonlinear Fiber Properties Fiber Division Applications Fiber Properties Inelastic Time- History Analysis Fiber Models Fiber Material Properties - Concrete Kent & Park Model Miscellaneous

14 Boundary Nonlinear Fiber Properties Fiber Division Applications Inelastic Time- History Analysis Fiber Models Fiber Material Properties - Concrete Japan Concrete Standard Specification Fiber Properties Miscellaneous

15 Boundary Nonlinear Fiber Properties Fiber Division Applications Inelastic Time- History Analysis Fiber Models Fiber Material Properties - Concrete Japan Roadway Specification Fiber Properties Miscellaneous

16 Boundary Nonlinear Fiber Properties Fiber Division Applications Inelastic Time- History Analysis Fiber Models Fiber Material Properties - Concrete Nagoya Highway Corporation Model Fiber Properties Miscellaneous

17 Boundary Nonlinear Fiber Properties Fiber Division Applications Inelastic Time- History Analysis Fiber Models Fiber Material Properties - Concrete Trilinear Concrete Model Fiber Properties Miscellaneous

18 Boundary Nonlinear Fiber Properties Fiber Division Applications Inelastic Time- History Analysis Fiber Models Fiber Material Properties - Steel Menegotto-Pinto Model Fiber Properties Miscellaneous

19 Boundary Nonlinear Fiber Properties Fiber Division Applications Inelastic Time- History Analysis Fiber Models Fiber Material Properties - Steel Bilinear Model Fiber Properties Miscellaneous

20 Boundary Nonlinear Fiber Properties Fiber Division Applications Inelastic Time- History Analysis Fiber Models Fiber Material Properties - Steel Asymmetric Bilinear Steel Model Fiber Properties Miscellaneous

21 Boundary Nonlinear Fiber Properties Fiber Division Applications Inelastic Time- History Analysis Fiber Models Fiber Material Properties - Steel Trilinear Steel Model Fiber Properties Miscellaneous

22 Boundary Nonlinear Fiber Properties Fiber Division Applications Fiber Division Inelastic Time- History Analysis Fiber Models Fiber Section Division Fiber Section Division – RC Section Cover Concrete - Unconfined Reinforcing Steel Confined Concrete Miscellaneous

23 Boundary Nonlinear Fiber Properties Fiber Division Applications Inelastic Time- History Analysis Fiber Models Fiber Section Division Fiber Section Division – PSC Section Fiber Division Miscellaneous

24 Boundary Nonlinear Fiber Properties Fiber Division Applications Inelastic Time- History Analysis Fiber Models Fiber Section Division Fiber Section Division – Concrete Filled Section Fiber Division Miscellaneous

25 Boundary Nonlinear Fiber Properties Fiber Division Applications Inelastic Time- History Analysis Fiber Models Fiber Section Division Fiber Section Division – Hollow Steel Section Fiber Division Miscellaneous

26 Boundary Nonlinear Fiber Properties Fiber Division Applications Inelastic Time- History Analysis Fiber Models Fiber Model - Applications Define Fiber Materials & Section Division Concrete Material ModelSteel Material Model Applications Miscellaneous

27 Boundary Nonlinear Fiber Properties Fiber Division Applications Inelastic Time- History Analysis Fiber Models Fiber Section - Application Result – Fiber Section Compression Tension Applications Miscellaneous

28 Boundary Nonlinear Inelastic Time- History Analysis Fiber Models Various Damping Method Damping Methods for Time History Analysis Miscellaneous Damping Methods Multiple Response Spectrum Analysis Initial Load for Time History Analysis Modal Mass & Stiffness Proportional Strain Energy Proportional Element Mass & Stiffness Proportional Modal - User defines the damping ratio for each mode. Mass & Stiffness Proportional - Damping coefficients are computed for mass proportional damping and stiffness proportional damping. Strain Energy Proportional - Damping ratios for each mode are automatically calculated using the damping ratios specified for element groups and boundary groups. Element Mass & Stiffness Proportional – Rayleigh Damping ratios are calculated using the damping ratios specified for element groups and boundary groups. Damping Methods

29 Multiple Response Spectrum Analysis Initial Load for Time History Analysis Multiple Response Spectrum Analysis Boundary Nonlinear Inelastic Time- History Analysis Fiber Models Response Spectrum Analysis Multiple Spectrum for Various Dampings Damping Ratio : 0.02, 0.03 & 0.05 Miscellaneous Select Interpolation Method of Spectral Data

30 Boundary Nonlinear Inelastic Time- History Analysis Fiber Models Initial Load for Time History Analysis Define Initial Load Miscellaneous Select Initial Load Case: Static Loadcase Construction Stage Loadcase Time History Loadcase Damping Methods Multiple Response Spectrum Analysis Initial Load for Time History Analysis Initial Element Force Input the element force due to the initial load


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