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Node Recorder

The Node type records the displacement, velocity, acceleration and incremental displacement at the nodes (translational & rotational)

recorder Node <-file $fileName> <-time> <-node ($node1 $node2 ...)> <-nodeRange $startNode $endNode> <-region $RegionTag> <-node all> -dof ($dof1 $dof2 ...) $respType

$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)

-time

this argument will place the pseudo time of the as the first entry in the line. (optional, default: omitted)

$node1 $node2 ...

tags nodes where response is being recorded -- select nodes in domain (optional, default: all)

$startNode $endNode

tag for start and end nodes where response is being recorded -- range of nodes in domain (optional, default: all)

$RegionTag

tag for previously-defined selection of nodes defined using the Region command. (optional)

all

where response is being recorded -- all nodes in domain (optional & default)

$dof1 $dof2 ...

degrees of freedom of response being recorded.

Valid range is from 1 through ndf , the number of nodal degrees-of-freedom.

$respType

defines response type to be recorded. The following response types are available:

 

disp

displacement

 

vel

velocity

 

accel

acceleration

 

incrDisp

incremental displacement

 

"eigen i"

eigenvector for mode i

 

reaction

nodal reaction

NOTE: $respType must be the last argument in this command.

Do not forget the double quote in the eigen response type.

Example:

recorder Node -file nodeDisp.out –time –node 1 5 -nodeRange 10 25 -dof 2 disp

recorder Node -file node34.eig -time -node 3 4 -dof 1 2 3 "eigen 2"

recorder Node -file Rnode.out -time -node 1 3 5 -dof 1 2 reaction

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