When solving the serviceability limit state by a nonlinear method, I get the option to export the stiffness within the already cracked structure. Is it possible to recalculate internal forces with these stiffnesses?

Answer

Exporting nonlinear stiffness to cracked structures can be enabled in Settings for non-linear calculation of RF-CONCRETE Members or RF-CONCRETE Surfaces. In the Edit Load Cases and Combinations dialog box, check the additional options for the selected combinations. A new tab appears where the stiffness transfer from the additional modules can be switched on.

Keywords

Nonlinear Stiffness Transfer Cracked structure Load combination

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RFEM 5.xx

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Structural engineering software for finite element analysis (FEA) of planar and spatial structural systems consisting of plates, walls, shells, members (beams), solids and contact elements

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