Project Background

An automotive component needed evaluation of its dynamic stiffness characteristics to ensure vibration performance requirements are met under actual operating conditions.

Technical Solution

  • Point Mobility Analysis: Excitation point dynamic stiffness calculation
  • Frequency Response Analysis: Response characteristics under wideband excitation
  • Modal Analysis: Natural frequency and mode shape identification
  • Transmissibility Analysis: Vibration transfer path evaluation

Analysis Content

  1. Dynamic Stiffness Calculation: Dynamic stiffness curves at various frequencies
  2. Resonance Identification: Key resonance frequencies and modes
  3. Damping Evaluation: Structural damping characteristics analysis
  4. Optimization Recommendations: Reinforcement solutions for insufficient stiffness areas

Project Results

  • Accurately identified dynamic stiffness weak frequency bands
  • Proposed targeted reinforcement solutions
  • 25% improvement in component dynamic stiffness