Computational Modeling – General

  • Performance modeling of metallic and composite components and structures (strength, fatigue, toughness,…)
  • Crack modeling – initiation, sub-critical crack growth, instability
  • Leak rates, pressure loading, thrust loads, dynamic depressurization, etc.
  • Weld residual stresses and corrosion effects on structural integrity
  • Constitutive modeling of metals, polymeric’s and composite materials

Structural & Pipeline Integrity

  • Residual stress effects on fracture, stress-corrosion cracking, and fatigue
  • Extensive Implicit and explicit analysis experience
  • 3D dynamic pipe fracture and 3D crack propagation modeling
  • Extremely low-cycle fatigue crack growth assessment based on ‘Dowling’ ▲J approach (nuclear plant seismic assessment)
  • AFEA natural crack shape modeling during growth

Weld Modeling

  • Weld residual stress/distortion/microstructure simulations
  • Weld fracture in the heat-affect zone (HAZ) and local brittle zone (LBZ)
  • Hydrogen cracking and stress corrosion cracking of welded structures
  • Numerical simulation of welding and other joining processes
  • Models developed for nozzles in pressure vessels, girth welds and repair welds
  • Process modeling – modeling fabrication process using mathematics based numerical tools

Probabilistic Mechanics and Risk Analysis

  • Probabilistic load modeling
  • Probabilistic Mechanics analysis
  • Damage tolerant analysis
  • Structural integrity (metallic and composite)
  • Risk Assessment