2S.I. PRO_SAP is a finite element structural and geotechnical engineering software developed by 2S.I. Software e Servizi per l’Ingegneria S.r.l., designed for structural and civil engineers. The latest version, as of September 2025, is PRO_SAP 25.6.0, released by 2S.I. in collaboration with the University of Ferrara and CM2 – Computing Objects SARL. Below is a comprehensive overview based on available information:
Key Features of PRO_SAP 2025 (Version 25.6.0)
Structural Design and Analysis: PRO_SAP supports modeling and analysis of various materials, including reinforced concrete, steel, masonry, timber, XLam, and mixed trusses. It handles seismic and fire resistance, terrain-structure interaction, and BIM integration via IFC (Industry Foundation Classes).
Modules and Customization: The software is modular, allowing users to purchase individual modules for maximum customization. Modules cover reinforced concrete, steel, masonry, timber, seismic analysis, and more.
PRO_SAM Plugin: An advanced plugin for nonlinear static (pushover) analysis using the SAM II solver, ideal for seismic assessments.
BIM Integration: PRO_SAP supports advanced BIM workflows, enabling engineers to import and export models using IFC technology for seamless collaboration.
Standards Compliance: Adheres to Italian and European standards, producing construction drawings and calculation reports for regulatory compliance.
New Features in Version 25.4.0 (noted as a precursor to 25.6.0):
New D2 rigid link element.
Enhanced arrow and deformation management.
Improved SAM model editing commands.
Updated FRP reinforcement checks per CNR-DT 200/R1 2013.
Preview of an optional BIM reinforcement module.
Free and Paid Versions: PRO_SAP offers free versions for professional use, alongside paid versions with additional features. The free versions are suitable for students, professionals, and educators. Paid versions differ by node count but maintain identical functionality.
