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How do I model bearings with uplift?
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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NOTE: A nonlinear load case must be applied to activate the nonlinear properties of these structural objects, and to characterize uplift behavior. |
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How do I know if uplift occurs?
Answer: Review the bearing pressure for various uplift cases to determine whether or not uplift occurs. Regions with zero bearing pressure will indicate uplift.
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