Hello Mike, I rechecked. Its clear that the pipe is moving upward along with the support. If you check the pipe displacement and the support displacement its the same in the the vertical direction. This is true for any support having zero gap in the "UP" and finite gap in the "DOWN" direction. The pipe is not sliding through the support. The pipe is pushing the support upwards inspite of the support being modeled as a RIGID one and with no gap in the vertical UP direction. It appears there is some problem either in the application or in the model. Looking forward to hear back from you. Please refer to the figures below or the models I sent you. Regards, Sandip Dey
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