OpenSees User-Requirements Document
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OpenSees User Requirements Document<o:p></o:p>
OpenSees Development Team
November 2009
OpenSees.exe User<o:p></o:p>
Implemented Requirements<o:p></o:p>
Element<o:p></o:p>
<![if !supportLists]>· <![endif]>Beam-Column Elements
<![if !supportLists]>· <![endif]>Truss Elements
<![if !supportLists]>· <![endif]>2D Wall Elements
Section<o:p></o:p>
<![if !supportLists]>· <![endif]>Elastic Section
<![if !supportLists]>· <![endif]>Uniaxial Section
<![if !supportLists]>· <![endif]>Fiber Section
<![if !supportLists]>· <![endif]>Section Aggregator
<![if !supportLists]>· <![endif]>Elastic Membrane Plate Section
<![if !supportLists]>· <![endif]>Plate Fiber Section
<![if !supportLists]>· <![endif]>Bidirectional Section
<![if !supportLists]>· <![endif]>Isolator2spring Section: Model to include buckling behavior of an elastomeric bearing
uniaxialMaterial<o:p></o:p>
<![if !supportLists]>· <![endif]>Steel & Reinforcing-Steel Materials
<![if !supportLists]>· <![endif]>Steel01 Material
<![if !supportLists]>· <![endif]>Steel02 Material -- Giuffré-Menegotto-Pinto Model with Isotropic Strain Hardening
<![if !supportLists]>· <![endif]>Hysteretic Material
<![if !supportLists]>· <![endif]>Concrete Materials
<![if !supportLists]>· <![endif]>Concrete01 Material -- Zero Tensile Strength
<![if !supportLists]>· <![endif]>Concrete02 Material -- Linear Tension Softening
<![if !supportLists]>· <![endif]>Concrete03 Material -- Nonlinear Tension Softening
<![if !supportLists]>· <![endif]>Multi-Purpose Materials
<![if !supportLists]>· <![endif]>Elastic Material
<![if !supportLists]>· <![endif]>Elastic-Perfectly Plastic Material
<![if !supportLists]>· <![endif]>Elastic-Perfectly Plastic Gap Material
<![if !supportLists]>· <![endif]>Elastic-No Tension Material
<![if !supportLists]>· <![endif]>Parallel Material
<![if !supportLists]>· <![endif]>Series Material
<![if !supportLists]>· <![endif]>Hardening Material
<![if !supportLists]>· <![endif]>Uniaxial Contributed Materials
<![if !supportLists]>· <![endif]>BARSLIP Material
<![if !supportLists]>· <![endif]>Bond_SP01 - - Strain Penetration Model for Fully Anchored Steel Reinforcing Bars
<![if !supportLists]>· <![endif]>Concrete04 Material -- Popovics Concrete Material
<![if !supportLists]>· <![endif]>Concrete07 – Chang & Mander’s 1994 Concrete Model
<![if !supportLists]>· <![endif]>Fatigue Material
<![if !supportLists]>· <![endif]>Hyperbolic Gap Material
<![if !supportLists]>· <![endif]>Limit State Material
<![if !supportLists]>· <![endif]>PINCHING4 Material
<![if !supportLists]>· <![endif]>PyTzQz Uniaxial Materials
<![if !supportLists]>· <![endif]>Reinforcing Steel Material
<![if !supportLists]>· <![endif]>SelfCentering Material – Flag-Shaped Hysteresis with Slip Deformation and Bearing
nDMaterial
<![if !supportLists]>· <![endif]>Elastic Isotropic Material
<![if !supportLists]>· <![endif]>J2 Plasticity Material
<![if !supportLists]>· <![endif]>Plane Stress Material
<![if !supportLists]>· <![endif]>Plate Fiber Material
<![if !supportLists]>· <![endif]>UCDavis Soil Models
<![if !supportLists]>· <![endif]>Template Elasto-Plastic Material
<![if !supportLists]>· <![endif]>UCSanDiego Soil Models
<![if !supportLists]>· <![endif]>FluidSolidPorousMaterial
<![if !supportLists]>· <![endif]>PressureDependMultiYield Material
<![if !supportLists]>· <![endif]>PressureDependMultiYield02 Material
<![if !supportLists]>· <![endif]>PressureIndependMultiYield Material
<![if !supportLists]>· <![endif]>updateMaterialStage
<![if !supportLists]>· <![endif]>updateParameter
<o:p> </o:p>
<o:p> </o:p>
Recorder<o:p></o:p>
<![if !supportLists]>· <![endif]>Node
<![if !supportLists]>· <![endif]>Node
<![if !supportLists]>· <![endif]>EnvelopeNode
<![if !supportLists]>· <![endif]>Drift
<![if !supportLists]>· <![endif]>Element
<![if !supportLists]>· <![endif]>Element
<![if !supportLists]>· <![endif]>EnvelopeElement
<![if !supportLists]>· <![endif]>Section
<![if !supportLists]>· <![endif]>Element
<![if !supportLists]>· <![endif]>EnvelopeElement
<![if !supportLists]>· <![endif]>Fiber
<![if !supportLists]>· <![endif]>Element
<![if !supportLists]>· <![endif]>EnvelopeElement
<![if !supportLists]>· <![endif]>Basic Visualization recorders
<![if !supportLists]>· <![endif]>Display
<![if !supportLists]>· <![endif]>Plot
<![if !supportLists]>· <![endif]>playback Command
<o:p> </o:p>
Other<o:p></o:p>
<o:p> </o:p>
Under-Development Requirements<o:p></o:p>
Element<o:p></o:p>
<![if !supportLists]>· <![endif]>2D/3D Wall Elements
<![if !supportLists]>· <![endif]>3d nonlinear frame element with full interaction (axial, flexure, torsion and subsequently shear)
<o:p> </o:p>
Section<o:p></o:p>
<o:p> </o:p>
Material<o:p></o:p>
<![if !supportLists]>· <![endif]>Improved concrete materials
<![if !supportLists]>· <![endif]>Improved reinforcing-steel materials
<o:p> </o:p>
Recorder<o:p></o:p>
<o:p> </o:p>
Other<o:p></o:p>
<o:p> </o:p>
To-Be-Developed Requirements<o:p></o:p>
Element<o:p></o:p>
<![if !supportLists]>· <![endif]>Buckling-Brace Elements
<![if !supportLists]>· <![endif]>Flexible Diaphragm
<![if !supportLists]>· <![endif]>2d Timoshenko beam element<o:p></o:p>
<![if !supportLists]>· <![endif]>3d frame element with bond-slip of reinforcing steel<o:p></o:p>
<![if !supportLists]>· <![endif]>3d frame element with slip between components, e.g. composite beam, composite column<o:p></o:p>
<![if !supportLists]>· <![endif]>3d concentrated plasticity element with return map algorithm<o:p></o:p>
<![if !supportLists]>· <![endif]>2d SIZE (spreading inelastic zone) beam element<o:p></o:p>
<![if !supportLists]>· <![endif]>Nonlinear geometry developments
<![if !supportLists]>· <![endif]>Extension of corotational theory to membranes and shells
<![if !supportLists]>· <![endif]>Reformulation of 3d frame nonlinear geometry such that any element can take advantage of nonlinear transformation (currently not the case); quaternions vs. rotation nodal variables require either a change in global solution strategy or the mapping back and forth between quaternions and node rotations.
<![if !supportLists]>· <![endif]>The following elements include linear or corotational geometry for membranes and shells under large displacements
<![if !supportLists]>· <![endif]>3 to 6 node triangle
<![if !supportLists]>· <![endif]>4 to 9 node quad
<![if !supportLists]>· <![endif]>4 node quad with incompatible modes
<![if !supportLists]>· <![endif]>4 to 9 node RC panel (quad)
<![if !supportLists]>· <![endif]>4 to 9 node Mindlin layer plate/shell
<![if !supportLists]>· <![endif]>4 to 9 node Mindlin RC layer plate/shell
<![if !supportLists]>· <![endif]>Discrete Kirchoff triangle plate/shell element
<o:p> </o:p>
Section<o:p></o:p>
<![if !supportLists]>· <![endif]>2d normal and shear stress interaction<o:p></o:p>
Material<o:p></o:p>
<![if !supportLists]>· <![endif]>3d J2 plasticity with kinematic and isotropic hardening
<![if !supportLists]>· <![endif]>3d plastic-damage concrete constitutive model Lee-Fenves
Recorder<o:p></o:p>
<o:p> </o:p>
Other<o:p></o:p>
<o:p> </o:p>
Continual-Development Requirements<o:p></o:p>
Documentation<o:p></o:p>
<o:p> </o:p>
<o:p> </o:p>
<o:p> </o:p>
OpenSees Developer<o:p></o:p>
Implemented Requirements<o:p></o:p>
Element<o:p></o:p>
<o:p> </o:p>
Section<o:p></o:p>
<o:p> </o:p>
Material<o:p></o:p>
<o:p> </o:p>
Recorder<o:p></o:p>
<o:p> </o:p>
Other<o:p></o:p>
<o:p> </o:p>
<o:p> </o:p>
Under-Development Requirements<o:p></o:p>
Element<o:p></o:p>
<o:p> </o:p>
Section<o:p></o:p>
<o:p> </o:p>
Material<o:p></o:p>
<o:p> </o:p>
Recorder<o:p></o:p>
<o:p> </o:p>
Other<o:p></o:p>
<o:p> </o:p>
To-Be-Developed Requirements<o:p></o:p>
Element<o:p></o:p>
<o:p> </o:p>
Section<o:p></o:p>
<o:p> </o:p>
Material<o:p></o:p>
<o:p> </o:p>
Recorder<o:p></o:p>
<o:p> </o:p>
Other<o:p></o:p>
<o:p> </o:p>
Continual-Development Requirements<o:p></o:p>
Documentation<o:p></o:p>
<o:p> </o:p>
<o:p> </o:p>
<o:p> </o:p>
Parallel OpenSees<o:p></o:p>
Implemented Requirements<o:p></o:p>
Element<o:p></o:p>
<o:p> </o:p>
Section<o:p></o:p>
<o:p> </o:p>
Material<o:p></o:p>
<o:p> </o:p>
Recorder<o:p></o:p>
<o:p> </o:p>
Other<o:p></o:p>
<o:p> </o:p>
Under-Development Requirements<o:p></o:p>
Element<o:p></o:p>
<o:p> </o:p>
Section<o:p></o:p>
<o:p> </o:p>
Material<o:p></o:p>
<o:p> </o:p>
Recorder<o:p></o:p>
<o:p> </o:p>
Other<o:p></o:p>
<o:p> </o:p>
To-Be- Developed Requirements<o:p></o:p>
Element<o:p></o:p>
<o:p> </o:p>
Section<o:p></o:p>
<o:p> </o:p>
Material<o:p></o:p>
<o:p> </o:p>
Recorder<o:p></o:p>
<o:p> </o:p>
Other<o:p></o:p>
<o:p> </o:p>
Continual-Development Requirements<o:p></o:p>
Documentation<o:p></o:p>
<o:p> </o:p>
<o:p> </o:p>
OpenSees GUI<o:p></o:p>
Implemented Requirements<o:p></o:p>
BuildingTcl<o:p></o:p>
<o:p> </o:p>
<o:p> </o:p>
VEES<o:p></o:p>
<o:p> </o:p>
Other<o:p></o:p>
<![if !supportLists]>· <![endif]>Basic model visualization
<o:p> </o:p>
Under-Development Requirements<o:p></o:p>
<o:p> </o:p>
To-Be- Developed Requirements<o:p></o:p>
Model Visualization
Recorder-data visualization
<o:p> </o:p>
Continual-Development Requirements<o:p></o:p>
Documentation<o:p></o:p>
<o:p> </o:p>
OpenSees Outreach & Support<o:p></o:p>
OpenSees Days<o:p></o:p>
User Workshop
Developer Workshop
Modeling Workshop
OpenSeesWiki
OpenSees Forum
<o:p> </o:p>
<o:p> </o:p>
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