CFSWSWP

• Command_Manual
  • Tcl Commands
  • Modeling_Commands
    • model
    • uniaxialMaterial
    • ndMaterial
    • frictionModel
    • section
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    • element
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      • fix
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      • equalDOF
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      • block2D
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  • Analysis Commands
    • constraints Command
    • numberer Command
    • system Command
    • test Command
    • algorithm Command
    • integrator Command
    • analysis Command
    • eigen Command
    • analyze Command
  • Output Commands
    • recorder
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    • RealTime_Output_Commands
  • Misc Commands
    • eleResponse Command
    • getTime Command
    • getEleTags Command
    • getNodeTags
    • loadConst Command
    • nodeCoord Command
    • nodeDisp Command
    • nodeVel Command
    • nodeAccel Command
    • nodeEigenvector Command
    • nodeBounds
    • print Command
    • remove Command
    • reset Command
    • testIter
    • testNorms
    • wipe Command
    • exit Command
  • DataBase Commands
    • Template:DataBaseCommandsMenu

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This command is used to construct a uniaxialMaterial model that simulates the hysteresis response (Shear strength-Lateral displacement) of a wood sheathed cold-formed steel shear wall panel. The hysteresis model has smooth curves and takes into account the strength and stiffness degradation, as well as pinching effect.

uniaxialMaterial CFSWSWP $tag $height $width $fut $tf $Ife $Ifi $ts $np $ds $Vs $sc $nc $type $openingArea $openingLength

$tag Integer identifier used to tag the material model

$height SWP’s height (mm)

$width SWP’s width (mm)

$fuf Tensile strength of framing members (MPa)

$tf Framing thickness (mm)

$Ife Moment of inertia of the double end-stud (mm4)

$Ifi Moment of inertia of the intermediate stud (mm4)

$ts Sheathing thickness (mm)

$np Sheathing number (one or two sides sheathed)

$ds Screws diameter (mm)

$Vs Screws shear strength (N)

$sc Screw spacing on the sheathing perimeter (mm)

$nc Total number of screw on the sheathing

$type Integer identifier used to define wood sheathing type (DFP=1, OSB=2, CSP=3)

$openingArea Total area of openings (mm²)

$openingLength Cumulative length of openings (mm)

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