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New LIRA 10.2 R3.1 version has been released

New LIRA 10.2 R3.1 version has been released

«LIRA soft» company announces the release of new SP LIRA 10.2 R3.1.

Several computational algorithms are optimized and improved in 3.1 release.

Changes in SP LIRA 10.2 (R3.1):

Graphics system:

  • operations in displacement unification mode have been modified;
  • operations of nodes copying, which belong to ARB, and nodes, which belong to displacement unification groups, have been improved;
  • improved selection algorithm in filter by values;
  • improved operations of axial alignment mode for plate elements;
  • corrected import error of some cross sections from Revit Structure 2014;
  • added an option of design model import from Revit Structure 2015;
  • refined logic of DCF selection for simultaneous loadings;
  • Help has been updated and extended.

Reinforced concrete structures:

  • accelerated analysis of elements, which belong to unified groups of DCF;
  • corrected rarely occurred error during reinforcement calculation according to DCL;
  • modified algorithm of reinforcement calculation for bars of hollow circular sections;


  • modified algorithm of bedding values C1 and C2 calculation.

Download distribution package SP LIRA 10.2 (R3.1)