Pratt & Whitney Rocketdyne uses structural engineering analysis to evaluate high power, high energy, and cryogenic and elevated temperature components and systems subjected to severe static, thermal, and dynamic loads.
Accurate structural assessments
Factors (or margins) of safety on yield and ultimate stress
Low and high cycle fatigue protection
Fracture mechanics assessments of structures with initial flaws subjected to alternating stresses.
Loading Conditions:
Static
Internal or externally applied pressure
Externally applied loads
Installation pre-stressed conditions
Steady state temperature distributions
Dynamic
Time varying externally applied loads and environments
Mechanical vibration and acoustic environments
Transient temperature distributions
Modeling Capabilities:
FEM Model of Turbine Blade
Linear & non-linear static models
Closed form
Templates
Finite Element Method (FEM)
CAD to FEM conversion
Fracture Mechanics
Dynamic models
Closed form
Finite element
Experience with wide variety of commercial Finite Element Method codes
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