Presentation is loading. Please wait.

Presentation is loading. Please wait.

Passive Vibration Control

Similar presentations


Presentation on theme: "Passive Vibration Control"— Presentation transcript:

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

28 Various Damping Method
Damping Methods for Time History Analysis Boundary Nonlinear Inelastic Time- History Analysis Modal Mass & Stiffness Proportional Strain Energy Proportional Element Mass & Stiffness Proportional Fiber Models Miscellaneous Damping Methods Multiple Response Spectrum Analysis Initial Load for Time History Analysis Damping Methods 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.

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

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


Download ppt "Passive Vibration Control"

Similar presentations


Ads by Google