Update 3 for LIRA-SAPR 2021 R1

August 26, 2021

Update 3 for LIRA-SAPR 2021 R1 is available. The following options and items are updated: standard tables, measurement units, physical nonlinearity, Report Book, recalculation of subgrade moduli, Analysis Client/Server, list of problems, hinge support with eccentricity, editable analytics, option to save file with nonlinearity, 14 piecewise linear function


  • Enhanced calculation of reserve factor for reinforcement in plate elements during analysis on progressive collapse.

  • Clarified analysis of reinforcement in plate elements by SP RK EN 1992-1-1:2004/2011 in case it is necessary to increase reinforcement to provide required crack resistance.
  • Blocked option to interact with the user interface when standard tables with the output data are generated. Enhanced visual presentation of the progress bar.

  • Enhanced conversion of measurement units when you define the data for equivalent pile foundation in the SOIL system.

  • New option to transfer loads to the physically nonlinear finite elements from SAPFIR-3D module.

  • Restored option to save the current names of elements in the Report Book when they are updated.

  • When models are transferred from SAPFIR module, loading histories by default will have the DCF group A1 and the 'Displacements and forces after every step' option will become active.

  • It is not necessary to connect with results of steel analysis every time when you open the problem if design options (except the last one) were deleted from the problem.

  • New option to transfer stiffness FE-310 from SAPFIR module to VISOR-SAPR module.

Analysis Client/Server LIRA-SAPR

  • When the problem is sent to analysis, it is possible to skip recalculation of subgrade moduli C1/C2 or pile stiffnesses by soil model.

  • New option to organize the list of problems in the queue by every column. New option to modify the window size.

  • For the problems with status 'Analysis failed', new option to display the protocol of FE analysis if such analysis was carried out.


  • Enhanced option to transfer to VISOR-SAPR module the hinge supports of floor slabs with eccentricity.
  • Restored work in the 'Editable analytics' mode, it is not necessary to close and open file.
  • Enhanced option to save the *.spf file if nonlinearity is defined for the file.
  • Enhanced option to transfer to VISOR-SAPR module the data by 14th piecewise linear function.
  • Corrected option to select the current layer in the 'Layers' dialog box.
  • Corrected numbers for the sheets of drawings during the export to DXF.

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