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The Element type records the response of a number of elements. The response recorded is element-dependent and depends on the arguments which are passed to the setResponse() element method. The envelope consists of the following: minimum, maximum and maximum absolute value of specified response type.
recorder EnvelopeElement <-file $fileName> <-ele ($ele1 $ele2 ...)> <-eleRange $startele $endele> <-ele all> <-region $regTag> ($arg1 $arg2 ...)
$fileName |
file where results are stored. Each line of the file contains the result for a committed state of the domain (optional, default: screen output) |
$eleID1 $eleID2 ... |
tags of elements whose response is being recorded -- selected elements in domain (optional, default: omitted) |
$startele $endele |
tag for start and end elements whose response is being recorded -- selected elements in domain (optional, default: all) |
all |
elements whose response is being recorded -- all elements in domain (optional & default) |
$regTag |
tag of region of elements whose response is being recorded -- region of elements in domain (optional) |
$arg1 $arg2 ... |
arguments which are passed to the setResponse() element method |
The setResponse() element method is dependent on the element type, and is described with the element Command.
Beam-Column Elements (Beam With Hinges Element, Displacement-Based Beam-Column Element, Elastic Beam Column Element, Nonlinear Beam Column Element) :
Common to all beam-column elements:
globalForce – element resisting force in global coordinates (does not include inertial forces)
example:
recorder EnvelopeElement -file ele1global.out -time -ele 1 globalForce
localForce – element resisting force in local coordinates (does not include inertial forces)
example:
recorder EnvelopeElement -file ele1local.out -time -ele 1 localForce
section $secNum – request response quantities from a specific section along the element length,
$secNum refers to the integration point whose data is to be output
force – section forces
example: recorder EnvelopeElement -file ele1sec1Force.out –time -ele 1 section 1 force
deformation – section deformations
example: recorder EnvelopeElement -file ele1sec1Force.out –time -ele 1 section 1 deformation
stiffness – section stiffness
example: recorder EnvelopeElement -file ele1sec1Force.out –time -ele 1 section 1 stiffness
stressStrain – record stress-strain response.
example: recorder EnvelopeElement -file ele1sec1Force.out –time -ele 1 section 1 fiber $y $z stressStrain
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$y |
local y coordinate of fiber to be monitored* |
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$z |
local z coordinate of fiber to be monitored* |
*NOTE: The recorder object will search for the fiber closest to the location ($y,$z) on the section and record its stress-strain response
NOTE: the ZeroLength section element only has 1 section therefore you do not need to identify the section in the recorder command .. Example:
recorder Element -file Element1.out -time -ele 1 section fiber 0.10 0.10 stressStrain
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