we use "pattern UniformExcitation $patternTag $dir -accel (TimeSeriesType arguments) <-vel0 $ver0>" commands to define the initial velocity at nodes, and this command set the velocity to all the nodes of the structure .
I want to set the velocity to some of the nodes ,not to all of the nodes , is there any command that can deal with it ?
thanks a lot.
initial velocity at nodes
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