OpenSees Navigator & Hybrid...
Transcript of OpenSees Navigator & Hybrid...
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OpenSees Navigator
Andreas Schellenberg and Tony Yang Department of Civil and Environmental Engineering University of California, Berkeley Eiji Kohama Port and Airport Institute, Japan Earthquake Engineering Research Center (EERC) University of California, Berkeley
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MATLAB based graphical user interface (GUI). Pre- and post-processing for OpenSees and OpenFresco. Design toolboxes: NSP, PBEE, AISC design checks, AISC database, response spectra for linear and bilinear systems and signal filtering. Both MATLAB Pcode and self-executable versions are available. Being used by researchers from Asia, US, Canada, south America and Europe.
Introduction
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Graphical input is more flexible than TCL text input. Most researchers use MATLAB to do the post-processing, and MATLAB/Simulink is the typical framework for implementing hybrid simulation tests. OpenSees Navigator will create the OpenSees (analytical/hybrid) model and graphically display the results before, during or after a test. Flexible to use and requires no programming skill.
Motivations
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OpenSees Navigator
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Stick Model Beam Model
Moment Frame
Inverted-V Braced Frame
EBF Model Zipper Frame
Single Area Mesh
Define geometry: new model template
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Define geometry: Zipper braced frame
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Define geometry: Zipper braced frame
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Define geometry: Zipper braced frame
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Define geometry: Zipper braced frame
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Define geometry: Zipper braced frame
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Define geometry: Zipper braced frame
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View geometry: display
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Node: -Tags -SP Constraints -MP Constraints -Masses -Loads/Displ. Element: -Tags -Types -GeoTrans -Local Axes -Zero Length General: -Model -Global Axes -Grid Lines
View geometry: set display options
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View geometry: display
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Node:
-Add
-Delete
-Move
Element:
-Add
-Delete
-Divide/Join
-Add/Delete ZeroLength
Edit geometry
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Templates:
-BoucWen
-Concrete01
-Concrete02
-Concrete03
-Elastic
-ElasticNoTension
-ElasticPP
-ElasticPPGap
-Fatigue
-Hardening
-Hysteretic
-MinMax
-Parallel
-Series
-Steel01
-Steel02
-Viscous
Define material: uniaxial materials
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Material properties Fy = 50 ksi E = 29000 ksi b = 0.05
Define uniaxial material: Steel01
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Define uniaxial material: Steel01
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Define material: uniaxial materials
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Define material: uniaxial materials
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Define uniaxial material: Steel01
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Define material: uniaxial materials
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Define material: uniaxial materials
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Define material: uniaxial materials
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Templates:
-ElasticCrossAnisotropic3D
-ElasticIsotropic
-FluidSolidPorous
-J2Plasticity
-MultiaxialCyclicPlasticity
-PlaneStress
-PlateFiber
-PressureDependMultiYield
-PressureDependMultiYield02
-PressureDependentElastic3D
-PressureIndependMultiYield
-Template3DElastoPlastic
Under development:
-NewTemplate3DElastoPlastic -ModelsLargeDeformation
Define material: nD materials
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Templates:
-Aggregator
-Elastic
-Fiber
-Uniaxial
Define section: line sections
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Define line section: elastic section
If the model is 3D
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Define fiber section: Composite patch
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Define line section: fiber section
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Define line section: quadrilateral patch
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Define fiber section: AISC patch
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Templates:
-Bidirectional
-ElasticMembranePlate
-PlateFiber
Define section: area section
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Templates:
-CorotationalTruss
-DispBeamColumn
-ElasticBeamColumn
-ForceBeamColumn
-HingeBeamColumn
-Truss
-ZeroLength
Define element: line element
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Define line element: ElasticBeamColumn
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Define line element: ForceBeamColumn
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Define element: area and solid elements
Templates (area): -Quad
-Shell
-BbarQuad
-EnhancedQuad
Templates (solid):
-Brick8N
-StdBrick
Under development:
-Brick20N
-Quad-UP
-Brick8Nu-p-U
-Brick20Nu-p-U
-ElementsLargeDeformation
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Templates:
-Constant
-Linear
-PathFile
-PathFileFiltered
-PathValue
-Pulse
-Rectangular
-Sine
-Triangle
Define TimeSeries:
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Define TimeSeries: PathFile
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Templates:
-Plain
-UniformExcitation
-MultipleSupport
Define LoadPattern:
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Define LoadPattern: UniformExcitation
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Templates:
-BeamColumn Element
-Display
-Experimental Element
-Node
-Truss Element
-ZeroLength Element
Defaults:
-DefoShape
-EigenVector
Define recorder
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Define recorder: node recorder
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Define recorder: BeamColumn recorder
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Defaults:
-StaticDefault
-TransientDefault
-EigenDefault
Define analysis options
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Integrator Type:
For example use AlphaOS Method for Hybrid Simulation
Solution Algorithm:
The AlphaOS Method requires a Linear solution algorithm
Define analysis options: new analysis
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Node:
-SP Constraints
-MP Constraints
-Masses
-Loads
-Displacements
Element:
-Types
-GeoTrans
-Rotations
-ZeroLength Axis
Assign menu
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Assign menu
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Nodal Masses Element Types
Display assigned properties
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Defaults:
-StaticDefaultCase
-EigenDefaultCase
Define analysis case
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For Example: Periods and Mode Shapes after Time-History Analysis
Define analysis case: new analysis case
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expControl Interfaces to the different control and data acquisition.
expSetup Transforms between the experimental element degrees
of freedom and the actuator degrees of freedom (linear vs. non-linear transformations).
expSite Stores data and provides communication methods for
distributed testing. expElement Represents the part of the structure that is physically
tested and provides the interface between the FE- software and the experimental software framework
OpenFresco: hybrid simulation
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Templates:
-SCRAMNet
-dSpace
-xPCtarget
-MTSCsi
-LabVIEW
-SimUniaxialMaterials
Define expControl:
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Define expControl: MTSCsi
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Templates:
-InvertedVBrace
-InvertedVBraceJntOff
-Aggregator
-NoTransformation
-OneActuator
-TwoActuators
-ThreeActuators
-ThreeActuatorsJntOff
Define expSetup:
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Define expSetup: InvertedVBrace
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Templates:
-LocalSite
-RemoteSite
-ActorSite
Define expSite:
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Define expSite: LocalSite
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i j
k
∆x1 ∆x2
∆y
d6, q6
d7, q7
d8, q8
d5, q5
d4, q4
d3, q3d0, q0
d1, q1
d2, q2
controlled displacements
acquired forces acquired forces
Define expElement: InvertedVBrace
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Experimental InvertedVBrace
Element
Define expElement: InvertedVBrace
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Steps:
1. Set OpenSees.exe Path (needs to be done only once)
Run OpenSees: set OpenSees.exe path
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Steps:
2. Write OpenSees Input Files (writes TCL files)
3. Run OpenSees
Run OpenSees: write TCL files
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First:
Load OpenSees Results
Post processing: load results
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First:
Load OpenSees Results into Matlab
Post processing: load results
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Post processing: output
Now these are enabled
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Time Step AnalysisCase Recorder Order Magnification
Post processing: plot deformed shape
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Time Step AnalysisCase Recorder Response Magnification
Post processing: plot element forces
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Animation Speed AnalysisCase Recorder Mode Magnification
Post processing: plot mode shape
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Parameter AnalysisCase Recorder Node/Element DOF
Post processing: plot response histories
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Response Spectra Name Damping Axis Scale
Post processing: plot response spectra
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Post processing: animate response
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Post processing: principal σ and ε
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Database Inquiries:
-Show Available Sections
-Find Section Properties
-Find Matching Sections
Design Checks:
-Bending Capacity
-Compression Capacity
-Shear Capacity
-PMM Interaction
Design: AISC design toolbox
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AISC design toolbox: section properties
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AISC design toolbox: matching sections
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AISC design toolbox: bending capacity
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AISC design toolbox: compression cap.
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AISC design toolbox: shear capacity
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AISC design toolbox: PMM interaction
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OpenSees Navigator provides Flexible and user friendly graphical user interface. Great tool to visualize structural behavior. Easy way to study material, section, element or
system behavior. Hybrid simulation interface (OpenFresco). Many design toolboxes: NSP, PBEE, AISC design checks, AISC database, response spectra for linear and bilinear systems and signal filtering. Both MATLAB Pcode and self-executable versions are available.
Summary
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Website: home
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Website: download
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Thank you!
OpenSees Navigator 2.4.2 is available at http://peer.berkeley.edu/OpenSeesNavigator
Contacts: Dr. Eiji Kohama: [email protected] Dr. Andreas Schellenberg: [email protected] Dr. Tony Yang: [email protected]