Update 3 for LIRA-FEM 2025 R2
The stability of the program and the accuracy of calculations have been improved. Crash errors, as well as errors in load generation, errors related to erection stages, openings and complex geometry have been eliminated. The processing of dynamic problems has been optimised and the analyses for punching shear, steel and reinforced concrete sections have been refined.
The update aims to improve the application stability and analysis accuracy: interaction between LIRA-CAD and LIRA-FEM has been improved, and crashes and errors when generating loads, working with openings, erection stages and complex geometry have been eliminated. The calculation core has been optimised for processing dynamic problems, the algorithms for punching shear, steel and reinforced concrete sections have been refined, and the consistency of results in different analysis modes has been improved.
Important. Resolved a potential CodeMeter licence malfunction that could occur after installing Windows 11 updates KB5074105 and KB5077181 (January–February 2026).
An issue where the application could become unresponsive during iterative calculation of elastic foundation parameters C1/C2 and possible crashes in the SOIL system have also been fixed, the force combination coefficients at assemblage stages have been refined, and the accuracy of results for non-linear load histories has been improved.
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