Triple Friction Pendulum Element

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This command is used to construct a Triple Friction Pendulum Bearing element object.

element TripleFrictionPendulum $eleTag $iNode $jNode

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$eleTag	unique element object tag
$iNode $jNode	end nodes

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EXAMPLE:

element TripleFrictionPendulum 1 1 2 ;

REFERENCES:

1) Dao ND, Ryan KL, … Verification of a Three-dimensional Triple Pendulum Bearing Element with General Friction Model Using Full Scale Test Data. Submitted to Earthquake Engineering and Structural Dynamics, 2012.

2) Dao ND. Experimental and Analytical Studies of the Seismic Response of a Full-scale 5- story Steel Moment Frame Building Isolated by Triple Pendulum Bearings. Dissertation, University of Nevada – Reno, 2012

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Code Developed by: Nhan D. Dao, University of Nevada - Reno.

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Download these 3 ground motion files and change the extension ".tcl" to ".ATH" for EXAMPLES 2 to 7: Media:TCU065-E.tcl, Media:TCU065-N.tcl, Media:TCU065-V.tcl

EXAMPLE 1:

Unidirectional static pushover of a TPB element with constant friction coefficients.

Tcl code: Media:CheckingTripleFrictionPendulum_StaticCyclicPushover.tcl

Results:

EXAMPLE 2:

Unidirectional dynamic seismic analysis of a single mass supported by a TPB element with constant friction coefficients.

Tcl code: Media:CheckingTripleFrictionPendulum_1DDynamics_ConstFriction.tcl

Results:

EXAMPLE 3:

Unidirectional dynamic seismic analysis of a single mass supported by a TPB element with variable friction coefficients.

Tcl code: Media:CheckingTripleFrictionPendulum_1DDynamics_VariableFriction.tcl

Results:

EXAMPLE 4:

Two-dimensional dynamic seismic analysis of a single mass supported by a TPB element with constant friction coefficients.

Tcl code: Media:CheckingTripleFrictionPendulum_2DDynamic_ConstFriction.tcl

Results:

EXAMPLE 5:

Two-dimensional dynamic seismic analysis of a single mass supported by a TPB element with variable friction coefficients.

Tcl code: Media:CheckingTripleFrictionPendulum_2DDynamic_VariableFriction.tcl

Results:

EXAMPLE 6:

Three-dimensional dynamic seismic analysis of a single mass supported by a TPB element with constant friction coefficients.

Tcl code: Media:CheckingTripleFrictionPendulum_3DDynamic_ConstFriction.tcl

Results:

EXAMPLE 7:

Three-dimensional dynamic seismic analysis of a single mass supported by a TPB element with variable friction coefficients.

Tcl code: Media:CheckingTripleFrictionPendulum_3DDynamic_VariableFriction.tcl

Results: