Midas Civil 2022 v1.2 is a major structural engineering software update primarily focused on bridge design and analysis. It introduces significant improvements in fatigue life evaluation, temperature load generation, and train load simulations. Key New Features & Analysis Enhancements
Detailed Fatigue Life Evaluation: The 2022 version significantly expands fatigue analysis capabilities. While previous versions only classified details as having "finite" or "infinite" life, Midas Civil 2022 provides detailed fatigue calculations including minimum, mean, and evaluation fatigue life, as well as a serviceability index.
Auto-generation of Beam Section Temperature Loads: Engineers can now automatically define temperature gradients for PSC and steel composite girders. This feature supports major international standards including AASHTO LRFD 2020, Eurocode, and AS 5100 (Australia).
Train Load Generator Improvements: The Time Forcing function was enhanced for nodes with irregular spacing. This ensures more accurate time-history functions for the first and last nodes of a track. User Experience and Performance
Reviewers and long-time users typically highlight the following strengths and weaknesses:
Versatile Analysis: The software is highly regarded for its ability to handle both steel and concrete structures using advanced Finite Element Analysis (FEA). midas civil 2022 v12
International Standards: It includes an extensive library of global design codes, which automates safety factor definitions and ensures compliance across different regions.
BIM Integration: Seamless integration with Building Information Modeling (BIM) workflows facilitates collaboration between design and construction phases.
Learning Curve: New users often report a steep learning curve due to a cluttered user interface featuring many tabs and buttons.
AutoCAD Integration: Some users have noted that the integration with AutoCAD is less seamless compared to other industry-standard software. Technical Specifications Summary Description Primary Use Bridge and Civil Infrastructure Design Analysis Type Advanced Finite Element Analysis (FEA) Key Standards AASHTO, Eurocode, AS 5100, CSA, BS, IS, etc. BIM Compatibility Supports standard BIM workflows and data consistency
Midas Civil 2022 v1.2 introduced several specific enhancements focused on bridge assessment and structural analysis capabilities. Key features and updates in this version include: Midas Civil 2022 v1
UK CS 454 Bridge Assessment: Support for bridge assessment of steel composite girders specifically with longitudinal stiffeners.
Rail Track Interaction: A new type of Elastic Link called the Rail Track Interaction Type was added to better simulate railway bridge behavior.
Hydration Heat Analysis Improvements: Enhanced capabilities for numerically analyzing the hydration heat effect and pipe cooling systems in mass concrete, such as pile caps.
Prestress Loss Analysis: Refined calculations for prestressed concrete girder bridges, allowing for more accurate comparison of frictional, elastic shortening, and time-dependent losses according to various norms.
These updates built upon the earlier v1.1 release, which included the UK High-Speed Train Loads database, AS 5100.5:17 updates for GSD, and Italy NTC 2018 response spectrum functions. [CIVIL] 2022 v2.1 Release Note V910 - MIDAS Support Steel & Composite: AISC 360, Eurocode 3/4
Here’s a technical write-up on Midas Civil 2022 v12, aimed at structural engineers and bridge design professionals.
One of the primary selling points of the 2022 v12 release was the Solver Speed Optimization. Midas engineers rewrote the core matrix solver to utilize multi-threading (CPU cores) more efficiently.
Test Scenario: A suspension bridge model with 150,000 nodes and 200 construction stages.
For moving load analysis (influence lines), v12 introduced a "Smart Lane Loading" algorithm that reduces redundant load positions by 40%, cutting analysis time nearly in half for large orthotropic decks.