Aircraft (Airframe) Fatigue and Damage Tolerance (F&DT) Analysis Engin

Role & responsibilities:

• Identification of PSE ( Principal Structural Elements )
• Calculate Stress Concentration Factor. Wide Spread Fatigue Damage Factor, effect in fatigue due to Size, Material, joints, Machining quality, technology process, etc.
• Fatigue Index Calculation
• Fatigue Equivalent Stress Calculation and extraction of Reference Stresses
• Fatigue Spectrum Analysis for various mission and Damage Stimulation Analysis
• Fatigue Life Estimation and Damage Tolerance Analysis
• Damage Tolerance Analysis for SLP (Single Load Path), MLP (Multiple Load Path), and DCF (Damage Contaminant Feature) structures
• Initial Crack definition and determination of Critical Crack Length for Airworthiness Limitation Item, Threshold and Inspection Interval
• Low Life Mitigation, various low life mitigation techniques based on OEM based process
• Preparation of Fatigue and Damage Tolerance Analysis Documentation like ACD/ACS, SCNs and Stress Dossiers
• Candidate Should have good hand-on work experience in Fatigue and Damage Tolerance Analysis of Airframe Structural Analysis
• Candidate should have in depth knowledge of Fatigue Design Philosophies
• Knowledge and experience in Structural Failure and Fatigue Failure Characteristics
• Aware of various types of fatigue, Fatigue assessment Principles and Methods
• Calculate Fatigue Life (High Cycle Fatigue, Low Cycle Fatigue and Very High Cycle Fatigue)
• Fatigue Analysis of Metallic and Fastener parts.
• Composite Fatigue Analysis experience
• Candidate should have experience in Damage Tolerance Analysis and Crack Propagation Analysis of Airframe Structures

Preferred candidate profile:

Must have

• Knowledge of Fatigue Design Guidelines, Principles and Methods
• Fatigue Life Calculation
• Crack Propagation Analysis / Damage Tolerance Analysis
• Aware of DT calculation in several different stages like corner crack , through crack, etc.
• Fatigue Criteria for Crack Propagation Analysis to determine the critical crack length
• Awareness and knowledge about the Inspection Techniques for Crack Propagation Analysis
• Detectable Crack Length Determination

Tools:

NASGRO, MSC NASTRAN, PATRAN, HyperMESH. OEM Specific Fatigue Tools

Basic Knowledge on CATIA V5