FixX command - OpenSeesWiki

FixX command

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This command is used to construct multiple homogeneous single-point boundary constraints for all nodes whose x-coordinate lies within a specified distance from a specified coordinate.

fixX $xCoordinate (ndf $ConstrValues) <-tol $tol>

$xCoordinate x-coordinate of nodes to be constrained
$constrValues ndf constraint values (0 or 1) corresponding to the ndf degrees-of-freedom.
0 unconstrained (or free)
1 constrained (or fixed)
$tol user-defined tolerance (optional, default = 1e-10)


EXAMPLE:

fixX 0.0 1 1 1 1 1 1; # fully restrain all nodes in y-z plane at origin (x=0.0)


Code Developed by: fmk

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