Project Background
A defense project required evaluation of concrete structure response and damage under blast loading to provide design basis for protective engineering.
Technical Solution
- Blast Loading: CONWEP air blast load model
- Material Model: Concrete HJC damage model
- Failure Simulation: Element deletion and crack propagation
- FSI: ALE method for blast wave propagation
Analysis Content
- Blast Impact: Blast wave propagation and reflection
- Structural Response: Concrete structure deformation and damage
- Fragment Dispersion: Blast fragment trajectory and distribution
- Protection Assessment: Structural protection capability evaluation
Project Results
- Accurate prediction of structural damage patterns
- Optimized protective structure design
- Provided design basis for engineering protection