Shape optimization of vehicle seat belt tongue

Design Requirements
  • Minimize weight
  • Satisfy load conditions
Design Problem Formulation
  • Design variables (7)
    Shape variables
  • Objective (1)
    Minimize weight
  • Constraints (1)
    Load constraint
Simulation and Design Software
  • Simulation : Abaqus
  • Design : PIAnO
Design Optimization Process
  1. Establish automation and perform DOE
  2. Generate metamodel using DOE samples
  3. Perform approximate optimization
Optimization Result
  • Weight reduction of 16% while satisfying all constraints