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Arbitrary Lagrangian-Eulerian (ALE) Finite Element Method and its Application



Mesh Generation, Adaptive Mesh and Remeshing Techniques



Fatigue Crack Growth and Lifetime Prediction of Aging Aircraft


Fracture Behavior of Piezoelectric Materials undergoing Mechanical and Electrical Loads



Optimal Design Theory of Mechanical Systems under Complex Dynamic Conditions

  •  Investigated Performance of Finite Element Models with Mixed Elements in Analyzing Mechanical Strength and Vibration of Integrally Stiffened Structures

  •  Developed Approaches to Linking Different Types of Elements to be Used in Finite Element Coding

  •  Developed a Finite Element Code for Analysis of Strength and Vibration of Integrally Stiffened Structures



Strength and Vibration of Welded Aero-Structures Undergoing Cyclic Loads at High Temperature Environment

  •  Experimentally Investigated Fatigue Behavior of Welded Superalloy GH150 Specimens Undergoing Cyclic Loads at Temperatures 20C and 450C

  •  Investigated Microscopic Fracture Mechanism and Fatigue Damage Accumulation of Welded Specimens in Base Metal, HAZ and Welding Material, respectively

  •  Developed a Fatigue Damage Model for Predicting Fatigue Lifetime of Welded Structures

  •  Developed a Thermal Cyclic Elastic-Plastic Deformation Model and a Finite Element Code for Engineering Application



Development of Finite Element Codes for 2D and 3D Simulations of Heat Transfer and Welding Residual Stress

  •  Developed a 2D Finite Element Code of Heat Transfer for Calculating Transient Temperature Field during the Process of Welding

  •  Developed a 2D Finite Element Code of Residual Stress Analysis of Welded Structures

  •  Developed a 3D Finite Element Code of Heat Transfer for Calculating Transient Temperature Field during the Process of Welding

  •  Developed a 3D Finite Element Code of Residual Stress Analysis of Welded Structures

 

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