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The Drift type records the displacement drift between two nodes. The drift is taken as the ratio between the prescribed relative displacement and the specified distance between the nodes.
recorder Drift -file $fileName <-time> -iNode ($inode1 $inode2 ...) -jNode ($jnode1 $jnode2 ...) -dof ($dof1 $dof2 ...) -perpDirn ($perpDirn1 $perpDirn2 ...)
$fileName |
file where results are stored. Each line of the file contains the result for a committed state of the domain |
-time |
this argument will place the pseudo time of the as the first entry in the line. (optional, default: omitted) |
($inode1 $inode2 ...) |
set of i nodes for which drift is recorded |
($jnode1 $jnode2 ...) |
set of j nodes for which drift is recorded |
($dof1 $dof2 ...) |
set of nodal degrees of freedom to monitor for drift Valid range is from 1 through ndm, the number of nodal degrees-of-freedom. |
($perpDirn1 $perpDirn2 ...) |
set of perpendicular global directions from which length is determined to compute drift (1 = X, 2 = Y, 3 = Z)
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Example:
recorder Drift -file drift.out -time -iNode 1 2 -jNode 3 4 -dof 1 -perpDirn 2
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