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Answer: Bearings with uplift may be modeled using nonlinear gap (compression-only) link objects. In that these objects demonstrate nonlinear behavior, nonlinear analysis must be specified in the load case. Additional details are available in the CSI Analysis Reference Manual (The Link/Support Element - Advanced > Gap Property, page 258) and in Verification Example 6-003, available through Help > Documentation > Analysis Verification > Links.
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