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This workshop has been canceled.
Xiao-Yan Gong, Ph.D., Medical Implant Mechanics LLC
Nuno Rebelo, Ph.D., SIMULIA Western Region
Finite Element Analysis (FEA) is widely used as a stress and strain analysis tool for complicated structures and/or material responses. Applications of both Nitinol and FEA in medical device industry have quickly increased in the past decade. However, because Nitinol is a unique and relative new material, analyzing Nitinol via FEA remains challenging. This training course is designed to bridge the material knowledge and mechanical analysis using FEA. It includes an introduction to the thermo-mechanical properties of Nitinol, a widely used shape memory alloy in medical implant industry, a review of the constitutive modeling, use of the available Abaqus user-defined material subroutines specific to the Nitinol medical implants such as stents, and several hands-on finite element applications.
Separate registration required for the 1/2 day workshop. Click here to register for the workshop.
Outline
- Introduction
- History of Nitinol
- Nitinol Metallurgy
- Applications today
- Mechanical Properties of Nitinol
- Phase transformation
- Thermomechanical Coupling
- Shape Memory And Superelasticity
- Constitutive Model
- Mechanism Based Approaches
- Phenomenological Approaches
- Energy Approach
- Generalized plasticity Approach
- Phenomenological Model Comparison
- Abaqus Interfaces
- UMAT Interface
- VUMAT Interface
- Verification And Applications
- UMAT And VUMAT Verification
- Stent Applications
What you will learn:
- Review of Thermo-mechanical properties of superelastic Nitinol.
- An introduction of how to use FEA in medical device design.
Who should attend:
- Mechanical/Design Engineers
- Project Managers
- Material Scientists
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