OpenSeesPy

Contents

  • 1. Installation
    • 1.1. PyPi (Windows, Linux, Mac)
      • 1.1.1. PyPi (Windows)
        • 1.1.1.1. Install Anaconda
        • 1.1.1.2. Install In Jupyter Notebook
        • 1.1.1.3. Install In command line
      • 1.1.2. PyPi (Linux)
        • 1.1.2.1. Install Python
        • 1.1.2.2. Install in terminal
      • 1.1.3. PyPi (Mac)
        • 1.1.3.1. Install Python
        • 1.1.3.2. Install in terminal
  • 2. Compilation
    • 2.1. Compilation for Windows
    • 2.2. Compilation for MacOS
    • 2.3. Compilation using QT
      • 2.3.1. A Qt build environment for OpenSees
      • 2.3.2. Dependency
      • 2.3.3. Getting started:
      • 2.3.4. Building OpenSeesPy:
      • 2.3.5. Supported Build Environments:
      • 2.3.6. MUMPS
      • 2.3.7. OpenMPI
      • 2.3.8. UMFPACK
      • 2.3.9. SUPERLU
      • 2.3.10. SUPERLUMT
      • 2.3.11. SUPERLUDIST
      • 2.3.12. LAPACK (SCALAPACK)
      • 2.3.13. BLAS
      • 2.3.14. ARPACK
      • 2.3.15. GCC
      • 2.3.16. PYTHON
      • 2.3.17. MISC. NOTES
  • 3. Change Log
  • 4. Model Commands
    • 4.1. model command
      • model()
    • 4.2. element commands
      • element()
      • 4.2.1. Zero-Length Element
        • 4.2.1.1. zeroLength Element
        • 4.2.1.2. zeroLengthND Element
        • 4.2.1.3. zeroLengthSection Element
        • 4.2.1.4. CoupledZeroLength Element
        • 4.2.1.5. zeroLengthContact elements
        • 4.2.1.6. zeroLengthContact Element
        • 4.2.1.7. zeroLengthContactNTS2D
        • 4.2.1.8. zeroLengthInterface2D
        • 4.2.1.9. zeroLengthImpact3D
      • 4.2.2. Truss Elements
        • 4.2.2.1. Truss Element
        • 4.2.2.2. Corotational Truss Element
      • 4.2.3. Beam-Column Elements
        • 4.2.3.1. Elastic Beam Column Element
        • 4.2.3.2. Elastic Beam Column Element with Stiffness Modifiers
        • 4.2.3.3. Elastic Timoshenko Beam Column Element
        • 4.2.3.4. Beam With Hinges Element
        • 4.2.3.5. dispBeamColumn
        • 4.2.3.6. forceBeamColumn
        • 4.2.3.7. nonlinearBeamColumn
        • 4.2.3.8. Flexure-Shear Interaction Displacement-Based Beam-Column Element
        • 4.2.3.9. MVLEM - Multiple-Vertical-Line-Element-Model for RC Walls
        • 4.2.3.10. SFI MVLEM - Cyclic Shear-Flexure Interaction Model for RC Walls
        • 4.2.3.11. Elastic Pipe Element
        • 4.2.3.12. Curved Pipe Element
      • 4.2.4. Joint Elements
        • 4.2.4.1. BeamColumnJoint Element
        • 4.2.4.2. ElasticTubularJoint Element
        • 4.2.4.3. Joint2D Element
      • 4.2.5. Link Elements
        • 4.2.5.1. Two Node Link Element
      • 4.2.6. Bearing Elements
        • 4.2.6.1. Elastomeric Bearing (Plasticity) Element
        • 4.2.6.2. Elastomeric Bearing (Bouc-Wen) Element
        • 4.2.6.3. Flat Slider Bearing Element
        • 4.2.6.4. Single Friction Pendulum Bearing Element
        • 4.2.6.5. Triple Friction Pendulum Bearing Element
        • 4.2.6.6. Triple Friction Pendulum Element
        • 4.2.6.7. MultipleShearSpring Element
        • 4.2.6.8. KikuchiBearing Element
        • 4.2.6.9. YamamotoBiaxialHDR Element
        • 4.2.6.10. ElastomericX
        • 4.2.6.11. LeadRubberX
        • 4.2.6.12. HDR
        • 4.2.6.13. RJ-Watson EQS Bearing Element
        • 4.2.6.14. FPBearingPTV
      • 4.2.7. Quadrilateral Elements
        • 4.2.7.1. Quad Element
        • 4.2.7.2. Shell Element
        • 4.2.7.3. ShellDKGQ
        • 4.2.7.4. ShellDKGT
        • 4.2.7.5. ShellNLDKGQ
        • 4.2.7.6. ShellNLDKGT
        • 4.2.7.7. ShellNL
        • 4.2.7.8. Bbar Plane Strain Quadrilateral Element
        • 4.2.7.9. Enhanced Strain Quadrilateral Element
        • 4.2.7.10. SSPquad Element
        • 4.2.7.11. MVLEM_3D - 3-D MVLEM Element for Flexure-Dominated RC Walls
        • 4.2.7.12. SFI_MVLEM_3D - 3-D Shear-Flexure-Interaction Element for RC Walls
      • 4.2.8. Triangular Elements
        • 4.2.8.1. Tri31 Element
      • 4.2.9. Brick Elements
        • 4.2.9.1. Standard Brick Element
        • 4.2.9.2. Bbar Brick Element
        • 4.2.9.3. Twenty Node Brick Element
        • 4.2.9.4. SSPbrick Element
      • 4.2.10. Tetrahedron Elements
        • 4.2.10.1. FourNodeTetrahedron
      • 4.2.11. UC San Diego u-p element (saturated soil)
        • 4.2.11.1. Four Node Quad u-p Element
        • 4.2.11.2. Brick u-p Element
        • 4.2.11.3. BbarQuad u-p Element
        • 4.2.11.4. BbarBrick u-p Element
        • 4.2.11.5. Nine Four Node Quad u-p Element
        • 4.2.11.6. Twenty Eight Node Brick u-p Element
      • 4.2.12. Other u-p elements
        • 4.2.12.1. SSPquadUP Element
        • 4.2.12.2. SSPbrickUP Element
      • 4.2.13. Contact Elements
        • 4.2.13.1. SimpleContact2D
        • 4.2.13.2. SimpleContact3D
        • 4.2.13.3. BeamContact2D
        • 4.2.13.4. BeamContact3D
        • 4.2.13.5. BeamEndContact3D
      • 4.2.14. Cable Elements
        • 4.2.14.1. CatenaryCableElement
      • 4.2.15. PFEM Elements
        • 4.2.15.1. PFEMElementBubble
        • 4.2.15.2. PFEMElementCompressible
      • 4.2.16. Misc.
        • 4.2.16.1. SurfaceLoad Element
        • 4.2.16.2. VS3D4
        • 4.2.16.3. AC3D8
        • 4.2.16.4. ASI3D8
        • 4.2.16.5. AV3D4
        • 4.2.16.6. MasonPan12 - 12 node Masonry panel element
    • 4.3. node command
      • node()
    • 4.4. sp constraint commands
      • 4.4.1. fix command
        • fix()
      • 4.4.2. fixX command
        • fixX()
      • 4.4.3. fixY command
        • fixY()
      • 4.4.4. fixZ command
        • fixZ()
    • 4.5. mp constraint commands
      • 4.5.1. equalDOF command
        • equalDOF()
      • 4.5.2. equalDOF_Mixed command
        • equalDOF_Mixed()
      • 4.5.3. rigidDiaphragm command
        • rigidDiaphragm()
      • 4.5.4. rigidLink command
        • rigidLink()
    • 4.6. pressureConstraint command
      • pressureConstraint()
    • 4.7. timeSeries commands
      • timeSeries()
      • 4.7.1. Constant TimeSeries
      • 4.7.2. Linear TimeSeries
      • 4.7.3. Trigonometric TimeSeries
      • 4.7.4. Triangular TimeSeries
      • 4.7.5. Rectangular TimeSeries
      • 4.7.6. Pulse TimeSeries
      • 4.7.7. Path TimeSeries
    • 4.8. pattern commands
      • pattern()
      • 4.8.1. Plain Pattern
        • 4.8.1.1. load command
        • 4.8.1.2. eleLoad command
        • 4.8.1.3. sp command
      • 4.8.2. UniformExcitation Pattern
      • 4.8.3. Multi-Support Excitation Pattern
        • 4.8.3.1. Plain Ground Motion
        • 4.8.3.2. Interpolated Ground Motion
        • 4.8.3.3. Imposed Motion
    • 4.9. mass command
      • mass()
    • 4.10. region command
      • region()
    • 4.11. rayleigh command
      • rayleigh()
    • 4.12. block commands
      • 4.12.1. block2D command
        • block2D()
      • 4.12.2. block3D command
        • block3D()
    • 4.13. beamIntegration commands
      • beamIntegration()
      • 4.13.1. Lobatto
      • 4.13.2. Legendre
      • 4.13.3. NewtonCotes
      • 4.13.4. Radau
      • 4.13.5. Trapezoidal
      • 4.13.6. CompositeSimpson
      • 4.13.7. UserDefined
      • 4.13.8. FixedLocation
      • 4.13.9. LowOrder
      • 4.13.10. MidDistance
      • 4.13.11. UserHinge
      • 4.13.12. HingeMidpoint
      • 4.13.13. HingeRadau
      • 4.13.14. HingeRadauTwo
      • 4.13.15. HingeEndpoint
    • 4.14. uniaxialMaterial commands
      • uniaxialMaterial()
      • 4.14.1. Steel & Reinforcing-Steel Materials
        • 4.14.1.1. Steel01
        • 4.14.1.2. Steel02
        • 4.14.1.3. Steel4
        • 4.14.1.4. ReinforcingSteel
        • 4.14.1.5. Dodd_Restrepo
        • 4.14.1.6. RambergOsgoodSteel
        • 4.14.1.7. SteelMPF
        • 4.14.1.8. Steel01Thermal
      • 4.14.2. Concrete Materials
        • 4.14.2.1. Concrete01
        • 4.14.2.2. Concrete02
        • 4.14.2.3. Concrete02IS material
        • 4.14.2.4. Concrete04
        • 4.14.2.5. Concrete06
        • 4.14.2.6. Concrete07
        • 4.14.2.7. Concrete01WithSITC
        • 4.14.2.8. ConfinedConcrete01
        • 4.14.2.9. ConcreteD
        • 4.14.2.10. FRPConfinedConcrete
        • 4.14.2.11. FRPConfinedConcrete02
        • 4.14.2.12. ConcreteCM
        • 4.14.2.13. TDConcrete
        • 4.14.2.14. TDConcreteEXP
        • 4.14.2.15. TDConcreteMC10
        • 4.14.2.16. TDConcreteMC10NL
      • 4.14.3. Standard Uniaxial Materials
        • 4.14.3.1. Elastic Uniaxial Material
        • 4.14.3.2. Elastic-Perfectly Plastic Material
        • 4.14.3.3. Elastic-Perfectly Plastic Gap Material
        • 4.14.3.4. Elastic-No Tension Material
        • 4.14.3.5. Hysteretic
        • 4.14.3.6. Parallel Material
        • 4.14.3.7. Series Material
      • 4.14.4. PyTzQz uniaxial materials for p-y, t-z and q-z elements for modeling soil-structure interaction through the piles in a structural foundation
        • 4.14.4.1. PySimple1 Material
        • 4.14.4.2. TzSimple1 Material
        • 4.14.4.3. QzSimple1 Material
        • 4.14.4.4. PyLiq1 Material
        • 4.14.4.5. TzLiq1 Material
        • 4.14.4.6. QzLiq1 Material
      • 4.14.5. Other Uniaxial Materials
        • 4.14.5.1. Hardening Material
        • 4.14.5.2. CastFuse Material
        • 4.14.5.3. Damper material wrapper
        • 4.14.5.4. ViscousDamper Material
        • 4.14.5.5. BilinearOilDamper Material
        • 4.14.5.6. Modified Ibarra-Medina-Krawinkler Deterioration Model with Bilinear Hysteretic Response (Bilin Material)
        • 4.14.5.7. Modified Ibarra-Medina-Krawinkler Deterioration Model with Peak-Oriented Hysteretic Response (ModIMKPeakOriented Material)
        • 4.14.5.8. Modified Ibarra-Medina-Krawinkler Deterioration Model with Pinched Hysteretic Response (ModIMKPinching Material)
        • 4.14.5.9. SAWS Material
        • 4.14.5.10. BarSlip Material
        • 4.14.5.11. Bond SP01 - - Strain Penetration Model for Fully Anchored Steel Reinforcing Bars
        • 4.14.5.12. Fatigue Material
        • 4.14.5.13. Multiplier material wrapper
        • 4.14.5.14. Impact Material
        • 4.14.5.15. Hyperbolic Gap Material
        • 4.14.5.16. Limit State Material
        • 4.14.5.17. MinMax Material
        • 4.14.5.18. ElasticBilin Material
        • 4.14.5.19. ElasticMultiLinear Material
        • 4.14.5.20. MultiLinear
        • 4.14.5.21. Initial Strain Material
        • 4.14.5.22. Initial Stress Material
        • 4.14.5.23. Penalty material wrapper
        • 4.14.5.24. PathIndependent Material
        • 4.14.5.25. SimpleFracture material wrapper
        • 4.14.5.26. TensionOnly material wrapper
        • 4.14.5.27. Pinching4 Material
        • 4.14.5.28. Engineered Cementitious Composites Material
        • 4.14.5.29. SelfCentering Material
        • 4.14.5.30. Viscous Material
        • 4.14.5.31. BoucWen Material
        • 4.14.5.32. BWBN Material
        • 4.14.5.33. KikuchiAikenHDR Material
        • 4.14.5.34. KikuchiAikenLRB Material
        • 4.14.5.35. AxialSp Material
        • 4.14.5.36. AxialSpHD Material
        • 4.14.5.37. Pinching Limit State Material
        • 4.14.5.38. CFSWSWP Wood-Sheathed Cold-Formed Steel Shear Wall Panel
        • 4.14.5.39. CFSSSWP Steel-Sheathed Cold-formed Steel Shear Wall Panel
        • 4.14.5.40. Backbone Material
        • 4.14.5.41. Masonry
        • 4.14.5.42. Pipe Material
    • 4.15. nDMaterial commands
      • nDMaterial()
      • 4.15.1. Standard Models
        • 4.15.1.1. ElasticIsotropic
        • 4.15.1.2. ElasticOrthotropic
        • 4.15.1.3. J2Plasticity
        • 4.15.1.4. DruckerPrager
        • 4.15.1.5. PlaneStress
        • 4.15.1.6. PlaneStrain
        • 4.15.1.7. MultiaxialCyclicPlasticity
        • 4.15.1.8. BoundingCamClay
        • 4.15.1.9. PlateFiber
        • 4.15.1.10. FSAM
        • 4.15.1.11. ManzariDafalias
        • 4.15.1.12. PM4Sand
        • 4.15.1.13. PM4Silt
        • 4.15.1.14. StressDensityModel
        • 4.15.1.15. AcousticMedium
      • 4.15.2. Tsinghua Sand Models
        • 4.15.2.1. CycLiqCP
        • 4.15.2.2. CycLiqCPSP
      • 4.15.3. Materials for Modeling Concrete Walls
        • 4.15.3.1. PlateFromPlaneStress
        • 4.15.3.2. PlateRebar
        • 4.15.3.3. PlasticDamageConcretePlaneStress
      • 4.15.4. Contact Materials for 2D and 3D
        • 4.15.4.1. ContactMaterial2D
        • 4.15.4.2. ContactMaterial3D
      • 4.15.5. Wrapper material for Initial State Analysis
        • 4.15.5.1. InitialStateAnalysisWrapper
        • 4.15.5.2. Initial Stress Material
        • 4.15.5.3. Initial Strain Material
      • 4.15.6. UC San Diego soil models
        • 4.15.6.1. PressureIndependMultiYield
        • 4.15.6.2. PressureDependMultiYield
        • 4.15.6.3. PressureDependMultiYield02
        • 4.15.6.4. PressureDependMultiYield03
      • 4.15.7. UC San Diego Saturated Undrained soil
        • 4.15.7.1. FluidSolidPorousMaterial
    • 4.16. section commands
      • section()
      • 4.16.1. Elastic Section
      • 4.16.2. Fiber Section
        • 4.16.2.1. Fiber Command
        • 4.16.2.2. Patch Command
        • 4.16.2.3. Layer Command
      • 4.16.3. Fiber Thermal Section
      • 4.16.4. NDFiber Section
      • 4.16.5. Wide Flange Section
      • 4.16.6. RC Section
      • 4.16.7. RCCircular Section
      • 4.16.8. Parallel Section
      • 4.16.9. Section Aggregator
      • 4.16.10. Uniaxial Section
      • 4.16.11. Elastic Membrane Plate Section
      • 4.16.12. Plate Fiber Section
      • 4.16.13. Bidirectional Section
      • 4.16.14. Isolator2spring Section
      • 4.16.15. LayeredShell
      • 4.16.16. Pipe Section
    • 4.17. frictionModel commands
      • frictionModel()
      • 4.17.1. Coulomb
      • 4.17.2. Velocity Dependent Friction
      • 4.17.3. Velocity and Normal Force Dependent Friction
      • 4.17.4. Velocity and Pressure Dependent Friction
      • 4.17.5. Multi-Linear Velocity Dependent Friction
    • 4.18. geomTransf commands
      • geomTransf()
      • 4.18.1. Linear Transformation
      • 4.18.2. PDelta Transformation
      • 4.18.3. Corotational Transformation
  • 5. Analysis Commands
    • 5.1. constraints commands
      • constraints()
      • 5.1.1. Plain Constraints
      • 5.1.2. Lagrange Multipliers
      • 5.1.3. Penalty Method
      • 5.1.4. Transformation Method
    • 5.2. numberer commands
      • numberer()
      • 5.2.1. Plain Numberer
      • 5.2.2. RCM Numberer
      • 5.2.3. AMD Numberer
      • 5.2.4. Parallel Plain Numberer
      • 5.2.5. Parallel RCM Numberer
    • 5.3. system commands
      • system()
      • 5.3.1. BandGeneral SOE
      • 5.3.2. BandSPD SOE
      • 5.3.3. ProfileSPD SOE
      • 5.3.4. SuperLU SOE
      • 5.3.5. UmfPack SOE
      • 5.3.6. FullGeneral SOE
      • 5.3.7. SparseSYM SOE
      • 5.3.8. Diagonal System
        • system()
        • 5.3.8.1. Mass Lumping
      • 5.3.9. MUMPS Solver
      • 5.3.10. PythonSparse system
        • 5.3.10.1. Example — CuPy conjugate gradient (GPU)
        • 5.3.10.2. Example — SciPy direct solve (CPU)
    • 5.4. test commands
      • test()
      • 5.4.1. NormUnbalance
      • 5.4.2. NormDispIncr
      • 5.4.3. energyIncr
      • 5.4.4. RelativeNormUnbalance
      • 5.4.5. RelativeNormDispIncr
      • 5.4.6. RelativeTotalNormDispIncr
      • 5.4.7. RelativeEnergyIncr
      • 5.4.8. FixedNumIter
      • 5.4.9. NormDispAndUnbalance
      • 5.4.10. NormDispOrUnbalance
    • 5.5. algorithm commands
      • algorithm()
      • 5.5.1. Linear Algorithm
      • 5.5.2. Newton Algorithm
      • 5.5.3. Newton with Line Search
      • 5.5.4. Modified Newton Algorithm
      • 5.5.5. Krylov-Newton Algorithm
      • 5.5.6. SecantNewton Algorithm
      • 5.5.7. RaphsonNewton Algorithm
      • 5.5.8. PeriodicNewton Algorithm
      • 5.5.9. BFGS Algorithm
      • 5.5.10. Broyden Algorithm
    • 5.6. integrator commands
      • 5.6.1. Static integrator objects
        • 5.6.1.1. LoadControl
        • 5.6.1.2. DisplacementControl
        • 5.6.1.3. Parallel DisplacementControl
        • 5.6.1.4. Minimum Unbalanced Displacement Norm
        • 5.6.1.5. Arc-Length Control
      • 5.6.2. Transient integrator objects
        • 5.6.2.1. Central Difference
        • 5.6.2.2. Newmark Method
        • 5.6.2.3. Hilber-Hughes-Taylor Method
        • 5.6.2.4. Generalized Alpha Method
        • 5.6.2.5. TRBDF2
        • 5.6.2.6. Explicit Difference
    • 5.7. analysis command
      • analysis()
    • 5.8. eigen command
      • eigen()
      • 5.8.1. PythonSparse eigen solver
        • 5.8.1.1. Example — SciPy eigsh
    • 5.9. analyze command
      • analyze()
    • 5.10. modalProperties Command
      • modalProperties()
      • 5.10.1. Theory
    • 5.11. responseSpectrumAnalysis Command
      • responseSpectrumAnalysis()
      • 5.11.1. Theory
  • 6. Output Commands
    • 6.1. basicDeformation command
      • basicDeformation()
    • 6.2. basicForce command
      • basicForce()
    • 6.3. basicStiffness command
      • basicStiffness()
    • 6.4. eleDynamicalForce command
      • eleDynamicalForce()
    • 6.5. eleForce command
      • eleForce()
    • 6.6. eleNodes command
      • eleNodes()
    • 6.7. eleResponse command
      • eleResponse()
    • 6.8. getEleTags command
      • getEleTags()
    • 6.9. getLoadFactor command
      • getLoadFactor()
    • 6.10. getNodeTags command
      • getNodeTags()
    • 6.11. getTime command
      • getTime()
    • 6.12. nodeAccel command
      • nodeAccel()
    • 6.13. nodeBounds command
      • nodeBounds()
    • 6.14. nodeCoord command
      • nodeCoord()
    • 6.15. nodeDisp command
      • nodeDisp()
    • 6.16. nodeEigenvector command
      • nodeEigenvector()
    • 6.17. nodeDOFs command
      • nodeDOFs()
    • 6.18. nodeMass command
      • nodeMass()
    • 6.19. nodePressure command
      • nodePressure()
    • 6.20. nodeReaction command
      • nodeReaction()
    • 6.21. nodeResponse command
      • nodeResponse()
    • 6.22. nodeVel command
      • nodeVel()
    • 6.23. nodeUnbalance command
      • nodeUnbalance()
    • 6.24. numFact command
      • numFact()
    • 6.25. numIter command
      • numIter()
    • 6.26. printA command
      • printA()
    • 6.27. printB command
      • printB()
    • 6.28. printGID command
      • printGID()
    • 6.29. printModel command
      • printModel()
    • 6.30. record command
      • record()
    • 6.31. recorder command
      • recorder()
      • 6.31.1. node recorder command
      • 6.31.2. node envelope recorder command
      • 6.31.3. element recorder command
        • 6.31.3.1. Recording fiber response
        • 6.31.3.2. Recording section response by location (sectionX)
      • 6.31.4. element envelope recorder command
      • 6.31.5. pvd recorder command
      • 6.31.6. background recorder command
      • 6.31.7. Collapse Recorder command
    • 6.32. sectionForce command
      • sectionForce()
    • 6.33. sectionDeformation command
      • sectionDeformation()
    • 6.34. sectionStiffness command
      • sectionStiffness()
    • 6.35. sectionFlexibility command
      • sectionFlexibility()
    • 6.36. sectionLocation command
      • sectionLocation()
    • 6.37. sectionWeight command
      • sectionWeight()
    • 6.38. systemSize command
      • systemSize()
    • 6.39. testIter command
      • testIter()
    • 6.40. testNorm command
      • testNorm()
    • 6.41. version command
      • version()
    • 6.42. logFile command
      • logFile()
  • 7. Utility Commands
    • 7.1. convertBinaryToText command
      • convertBinaryToText()
    • 7.2. convertTextToBinary command
      • convertTextToBinary()
    • 7.3. database command
      • database()
    • 7.4. InitialStateAnalysis command
      • InitialStateAnalysis()
    • 7.5. loadConst command
      • loadConst()
    • 7.6. modalDamping command
      • modalDamping()
    • 7.7. reactions command
      • reactions()
    • 7.8. remove command
      • remove()
    • 7.9. reset command
      • reset()
    • 7.10. restore command
      • restore()
    • 7.11. save command
      • save()
    • 7.12. sdfResponse command
    • 7.13. setTime command
      • setTime()
    • 7.14. setNodeCoord command
      • setNodeCoord()
    • 7.15. setNodeDisp command
      • setNodeDisp()
    • 7.16. setNodeVel command
      • setNodeVel()
    • 7.17. setNodeAccel command
      • setNodeAccel()
    • 7.18. setPrecision command
      • setPrecision()
    • 7.19. setElementRayleighDampingFactors command
      • setElementRayleighDampingFactors()
    • 7.20. setNodeTemperature command
      • setNodeTemperature()
    • 7.21. start command
      • start()
    • 7.22. stop command
      • stop()
    • 7.23. stripXML command
      • stripXML()
    • 7.24. updateElementDomain command
      • updateElementDomain()
    • 7.25. updateMaterialStage
    • 7.26. wipe command
      • wipe()
    • 7.27. wipeAnalysis command
      • wipeAnalysis()
    • 7.28. setNumthread command
      • setNumThreads()
    • 7.29. getNumthread command
      • getNumThreads()
  • 8. FSI Commands
    • 8.1. mesh command
      • mesh()
      • 8.1.1. line mesh
      • 8.1.2. triangular mesh
      • 8.1.3. quad mesh
      • 8.1.4. tetrahedron mesh
      • 8.1.5. particle mesh
      • 8.1.6. background mesh
    • 8.2. remesh command
      • remesh()
    • 8.3. PFEM integrator
    • 8.4. PFEM SOE
    • 8.5. PFEM test
    • 8.6. PFEM analysis
  • 9. Sensitivity Commands
    • 9.1. parameter command
      • parameter()
      • 9.1.1. Examples
    • 9.2. addToParameter command
      • addToParameter()
    • 9.3. updateParameter command
      • updateParameter()
    • 9.4. setParameter command
      • setParameter()
    • 9.5. getParamTags command
      • getParamTags()
    • 9.6. getParamValue command
      • getParamValue()
    • 9.7. computeGradients command
      • computeGradients()
    • 9.8. sensitivityAlgorithm command
      • sensitivityAlgorithm()
    • 9.9. sensNodeDisp command
      • sensNodeDisp()
    • 9.10. sensNodeVel command
      • sensNodeVel()
    • 9.11. sensNodeAccel command
      • sensNodeAccel()
    • 9.12. sensLambda command
      • sensLambda()
    • 9.13. sensSectionForce command
      • sensSectionForce()
    • 9.14. sensNodePressure command
      • sensNodePressure()
  • 10. Reliability Commands
    • 10.1. randomVariable command
      • randomVariable()
  • 11. Parallel Commands
    • 11.1. getPID command
      • getPID()
    • 11.2. getNP command
      • getNP()
    • 11.3. barrier command
      • barrier()
    • 11.4. send command
      • send()
    • 11.5. recv command
      • recv()
    • 11.6. Bcast command
      • Bcast()
    • 11.7. setStartNodeTag command
      • setStartNodeTag()
    • 11.8. domainChange command
      • domainChange()
    • 11.9. partition command
      • partition()
  • 12. Preprocessing Commands
    • 12.1. DiscretizeMember command
      • preprocessing.DiscretizeMember.DiscretizeMember()
  • 13. Postprocessing Modules
  • 14. Examples
    • 14.1. Structural Examples
      • 14.1.1. Elastic Truss Analysis
      • 14.1.2. Nonlinear Truss Analysis
      • 14.1.3. Portal Frame 2d Analysis
      • 14.1.4. Moment Curvature Analysis
      • 14.1.5. Reinforced Concrete Frame Gravity Analysis
      • 14.1.6. Reinforced Concrete Frame Pushover Analysis
      • 14.1.7. Three story steel building with rigid beam-column connections and W-section
      • 14.1.8. Cantilever FRP-Confined Circular Reinforced Concrete Column under Cyclic Lateral Loading
    • 14.2. Earthquake Examples
      • 14.2.1. Cantilever 2D EQ ground motion with gravity Analysis
      • 14.2.2. Reinforced Concrete Frame Earthquake Analysis
      • 14.2.3. Example name spaced nonlinear SDOF
      • 14.2.4. RotD Spectra of Ground Motion
      • 14.2.5. Nonlinear MDOF
    • 14.3. Tsunami Examples
      • 14.3.1. Moving Mesh
        • 14.3.1.1. Dambreak Analysis using moving mesh
        • 14.3.1.2. Dambreak with Elastic Obstacle Analysis using moving mesh
      • 14.3.2. Background Mesh
        • 14.3.2.1. Dambreak Analysis using background mesh
        • 14.3.2.2. Dambreak with Elastic Obstacle Analysis using background mesh
        • 14.3.2.3. Dambreak 3D Analysis using background mesh
    • 14.4. GeoTechnical Examples
      • 14.4.1. Laterally-Loaded Pile Foundation
      • 14.4.2. Effective Stress Site Response Analysis of a Layered Soil Column
      • 14.4.3. PM4Sand model undrained cyclic simple shear element
    • 14.5. Thermal Examples
      • 14.5.1. Restrained beam under thermal expansion
    • 14.6. Parallel Examples
      • 14.6.1. Hello World Example 1
      • 14.6.2. Hello World Example 2
      • 14.6.3. Parallel Truss Example
      • 14.6.4. Parallel Tri31 Example
      • 14.6.5. Parallel Parametric Study Example
    • 14.7. Plotting Examples
      • 14.7.1. vfo - Visualization for OpenSees (Examples)
      • 14.7.2. opsvis Examples
    • 14.8. Sensitivity Examples
      • 14.8.1. Simple cantilever for load-controlled sensitivity analysis
      • 14.8.2. Two storey steel moment frame with W-sections for displacement-controlled sensitivity analysis
OpenSeesPy
  • 14. Examples
  • 14.1. Structural Examples
  • View page source

14.1. Structural Examples¶

  1. Elastic Truss Analysis

  2. Nonlinear Truss Analysis

  3. Portal Frame 2d Analysis

  4. Moment Curvature Analysis

  5. Reinforced Concrete Frame Gravity Analysis

  6. Reinforced Concrete Frame Pushover Analysis

  7. Three story steel building with rigid beam-column connections and W-section

  8. Cantilever FRP-Confined Circular Reinforced Concrete Column under Cyclic Lateral Loading

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