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Structural Integrity Solutions

Stress Analysis for using Classical and Finite Element Methods

Kinectrics has extensive capabilities for performing stress analysis using classical analysis and numerical methods. Finite element analyses are performed using ANSYS, ANSYS-CFX, ABAQUS and PATRAN commercial packages. They have a proven track record of use by the nuclear industry in Canada and internationally, and have been developed under Quality Assurance programs.

Specific services are now available from Kinectrics covering:

  • Stress analysis of defect-free structural components
    • Linear-elastic analysis
    • Elastic-plastic analysis
    • Elastic-plastic-creep analysis with built-in or user-defined creep law
    • Stress analysis of components with local defects
      • Local wall thinning
      • Blunt flaws
      • Bearing pads flaws
      • Debris flaws

Analytical Fracture Mechanics

Kinectrics performs fracture mechanics analyses that include:
  • Customized developments using Linear-elastic Fracture Mechanics
  • Applications of ASME Boiler and Pressure Vessel Code Section XI
  • Developments and applications of the CSA N285.8 Standard
  • Process-zone methodology for DHC initiation in zirconium alloy pressure tubes
  • Fitness-for-service assessments of components with flaws
  • Applications of weight function method

Computational Fracture Mechanics

Kinectrics offers a full range of services in computational fracture mechanics, including:
  • 2-D and 3-D analyses
  • Computation of crack driving force
    • Stress Intensity Factor
    • Elastic-plastic J-integral
  • Simulation of crack growth under constant and cyclic loading
  • Size and scale effects for fracture toughness test specimens
  • Constraint effects on fracture toughness