ETABS v19.0.0 Release Notes - Computers and Structures

ETABS ISO #RELETA1900 26-Oct-2020 Page 1 of 23 ETABS Release Notes 2020 Computers and Structures , Inc. Notice Date: 26-October-2020 This document lists changes made to ETABS since , released 11-February-2020. Items marked with an asterisk (*) in the first column are more significant. Analysis Enhancements Implemented * Ticket Description * 1930 An enhancement has been made to add short/long-term cracked-deflection calculations for concrete floors. The nonlinear static load case now allows for this option to be triggered. The rebar used for the cracking calculation is based on either provided rebar, the last slab and beam design, or a quick rebar overwrite provided for this purpose. A new assignment is available to specify which floor objects are considered for cracked deflection analysis. Floors not so assigned are assumed to be uncracked during a cracking analysis. For long-term deflections, the creep and shrinkage coefficients can be taken from the material properties and from the time since load application, or the user can give overwriting coefficients for the particular load case.

nonlinear direct-integration time-history load cases where the link has "Stiffness Used for ... and linear direct-integration time-history loads cases ... are large, but the change is expected to reduce the relative unbalance in the analyses.

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  Notes, Linear, Time, Release, History, Analyses, Bates, Nonlinear, 0 release notes, Etabs v19

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