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- Level 2 Assessment:
Network Rail U-Frame Steel Bridge with MIDAS Civil NX + FEA NX: Beyond Level 1: building a U-frame bridge finite element model from scratch, running linear static and buckling analyses, then a full geometric and material non-linear assessment.
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Description
In this session, Vikrant will walk through a Level 2 assessment of a U-frame steel bridge — from building a shell model with the right materials, meshing and boundary conditions to linear and non-linear assessment.
Part 1: Introduction of FEA NX
- Overview
- Modelling and meshing
- Supported analysis types
Part 2: Modelling of U-Frame Bridge in FEA NX
- Material and shell property definition
- Modelling and meshing geometry
- Boundary and loading conditions
Part 3: Defining Analysis Cases
- Linear static analysis
- Linear buckling analysis
- Results: displacements, von Mises stresses, buckling modes
Part 4: Geometric and Material Non-Linear Analysis
- Imperfections and construction stage sequencing
- Geometric and material non-linear input
- Result interpretation and conclusions
Key Points
Build a shell model with the right materials, meshing and boundary conditions
Run linear static and linear buckling analyse
Introduce imperfections and reach a defensible non-linear conclusion
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