Layer Command: Difference between revisions
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(Created page with '{{CommandManualMenu}} The layer command is used to generate a number of fibers along a line or a circular arc. This command is used to construct a straight line of fibers: {|...') |
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{| | {| | ||
| style="width:150px" | '''$matTag''' || material tag of previously created | | style="width:150px" | '''$matTag''' || material tag of previously created material (UniaxialMaterial tag for a FiberSection or NDMaterial tag for use in an NDFiberSection) | ||
|- | |- | ||
| '''$numFibers''' || number of fibers along line | | '''$numFibers''' || number of fibers along line | ||
| Line 21: | Line 21: | ||
| '''$yStart $zEnd''' || y and z-coordinates of first fiber in line (local coordinate system) | | '''$yStart $zEnd''' || y and z-coordinates of first fiber in line (local coordinate system) | ||
|- | |- | ||
| ''' | | '''$yEnd $zEnd''' || y and z-coordinates of last fiber in line (local coordinate system) | ||
|} | |} | ||
[[Image:StraightLayer.gif]] | |||
This command is used to construct a | ---- | ||
This command is used to construct a line of fibers along a circular arc: | |||
{| style="background:yellow; color:black; width:800px" | {| style="background:yellow; color:black; width:800px" | ||
| Line 33: | Line 36: | ||
{| | {| | ||
| style="width:150px" | '''$matTag''' || material tag of previously created | | style="width:150px" | '''$matTag''' || material tag of previously created material (UniaxialMaterial tag for a FiberSection or NDMaterial tag for use in an NDFiberSection) | ||
|- | |- | ||
| '''$numFiber''' || number of fibers along arc | | '''$numFiber''' || number of fibers along arc | ||
| Line 41: | Line 44: | ||
| '''$yCenter $zCenter''' || y and z-coordinates of center of circular arc | | '''$yCenter $zCenter''' || y and z-coordinates of center of circular arc | ||
|- | |- | ||
| '''$radius''' || radius of | | '''$radius''' || radius of circular arc | ||
|- | |- | ||
| '''$startAng''' || starting angle (optional, default = 0.0) | | '''$startAng''' || starting angle (optional, default = 0.0) | ||
|- | |- | ||
| '''$endAng''' || | | '''$endAng''' || ending angle (optional, default = 360.0 - 360/$numFiber) | ||
|} | |} | ||
[[Image: | [[Image:CircLayer.gif]] | ||
---- | ---- | ||
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EXAMPLE: | EXAMPLE: | ||
layer straight $steelMatTag 10 0.11 -b -h b -h; # define | layer straight $steelMatTag 10 0.11 -$b -$h $b -$h; # define layer of 10 bars with area 0.11 from section coordinate (-b,-h) to (b,-h) | ||
layer circ $steelMatTag 10 0.11 0.0 0.0 $h 0 180; # define layer of 10 bars with area 0.11 uniformly distributed along semi-circle centered at (0,0) with radius h | |||
---- | ---- | ||
Code Developed by: <span style="color:blue"> | Code Developed by: <span style="color:blue"> Remo M. De Souza </span> | ||
Latest revision as of 21:57, 15 June 2022
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The layer command is used to generate a number of fibers along a line or a circular arc.
This command is used to construct a straight line of fibers:
| layer straight $matTag $numFiber $areaFiber $yStart $zStart $yEnd $zEnd |
| $matTag | material tag of previously created material (UniaxialMaterial tag for a FiberSection or NDMaterial tag for use in an NDFiberSection) |
| $numFibers | number of fibers along line |
| $areaFiber | area of each fiber |
| $yStart $zEnd | y and z-coordinates of first fiber in line (local coordinate system) |
| $yEnd $zEnd | y and z-coordinates of last fiber in line (local coordinate system) |
This command is used to construct a line of fibers along a circular arc:
| layer circ $matTag $numFiber $areaFiber $yCenter $zCenter $radius <$startAng $endAng> |
| $matTag | material tag of previously created material (UniaxialMaterial tag for a FiberSection or NDMaterial tag for use in an NDFiberSection) |
| $numFiber | number of fibers along arc |
| $areaFiber | area of each fiber |
| $yCenter $zCenter | y and z-coordinates of center of circular arc |
| $radius | radius of circular arc |
| $startAng | starting angle (optional, default = 0.0) |
| $endAng | ending angle (optional, default = 360.0 - 360/$numFiber) |
NOTES:
EXAMPLE:
layer straight $steelMatTag 10 0.11 -$b -$h $b -$h; # define layer of 10 bars with area 0.11 from section coordinate (-b,-h) to (b,-h)
layer circ $steelMatTag 10 0.11 0.0 0.0 $h 0 180; # define layer of 10 bars with area 0.11 uniformly distributed along semi-circle centered at (0,0) with radius h
Code Developed by: Remo M. De Souza