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MIDAS FEA

Advanced nonlinear
and detail analysis system

MIDAS FEA is state of the art software, which defines a new paradigm for advanced nonlinear and detail analysis of civil structures. midas FEA is founded on the expertise in geometry modeling, mesh generation, analysis and contemporary graphics technologies accumulated since 1989. MIDAS FEA, a total solution for civil-orientated analysis problems, provides a number of unique and practical tools. MIDAS FEA, combining powerful pre/post processor and a solver co-developed by MIDAS IT and TNO Diana, stands for reliability and utmost accurate solution.

Applications

Detailed analysis (linear, material/geometry nonlinear)

• Detailed FE analysis (linear static/dynamic analysis of concrete and steel)
• Buckling analysis of steel structures with material and geometric nonlinearity

Concrete, interface and reinforcement nonlinear analysis

• Detailed analysis of composite structures (steel + concrete)
• 3D detailed analysis considering steel, concrete and reinforcement simultaneously
• Crack initiation and propagation in concrete structures
• Composite modeling and analysis of shear walls
• Detailed analysis for tendon anchorages

Thermo-elastic analysis (heat transfer, heat of hydration)

Special analysis (contact, fatigue, creep)

As a total solution specialized for the detail and nonlinear analysis of civil structures, MIDAS FEA supports various analysis functions as follows:


• Linear static analysis
• Construction stage analysis
• Modal analysis
• Linear buckling analysis
• Transient / frequency / spectrum    response analysis
• Material / geometry nonlinearity analysis
• Interface nonlinearity analysis
• Reinforcement / pile analysis
• Concrete cracking analysis
• Heat transfer analysis
• Heat of hydration analysis
• Contact analysis
• Fatigue analysis

Analysis features

MIDAS FEA supports various stable iteration methods for nonlinear equation solving and the corresponding options.

• Full Newton-Raphson method
• Modified Newton-Raphson method
• Arc-length method
• Displacement control method
• Constant stiffness method

MIDAS FEA also provides the following nonlinear behavior control options:
• Isotropic / kinematic / mixed hardening (multi-linear, nonlinear)
• Softening (brittle, multi-linear, nonlinear)

Material
models

MIDAS FEA supports the following material models for steel and concrete structures.

General material models

• von Mises
• Tresca
• Mohr-Coulomb
• Drucker-Prager
• Rankine
• Masonry
• User-supplined material (FORTRAN format)

Interface models

• Coulomb friction
• Discrete cracking
• Crack dilatancy
• Bond-slip
• Combined cracking-shearing-crushing

Visco-elastic models

• Kelvin
• Creep-shrinkage (design code)
• Temperature-dependent material

Concrete cracking models

• Total strain crack
• Smeared crack

MIDAS FEA

Choose MIDAS solution
CIVIL
Powerful solution
system for bridge
and civil engineering
GTS NX
Next generation
geotechnical analysis
software
GEN
Complete analysis and design
solution for buildings and
general structures
FEA
Advanced nonlinear
and detail analysis system

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  • MIDAS Civil
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  • MIDAS Gen
  • MIDAS FEA
  • IDEA StatiCa Concrete
  • IDEA StatiCa Steel
  • IDEA StatiCa Prestressing