Dear Michael,
First I know (and am not trying to) that shoes are not modelled in CAESAR II.
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Second, what I am trying to simulate is:
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"When line displaced horizontally, it fell from shoes on to the structural beams below on few of these supporting points due to sagging (bending) of the pipe. But some end points in pipe are not resting on the structure which (at one location) have 80 mm gap (where it is measured). So, the simulation of these supports in CAESAR II would be 1) removing the axial stops on the line which have sheared. 2) Providing the horizontal displacement on the point where it is measured. 3) For all the supports where shoes have fallen the supports shall be modelled as +Y supports with gap equal to the shoe height."