| About this Abstract |
| Meeting |
2024 ASC Technical Conference, US-Japan Joint Symposium, D30 Meeting
|
| Symposium
|
2024 ASC Technical Conference, US-Japan Joint Symposium, D30 Meeting
|
| Presentation Title |
Multiphysics Simulations of CFRP Degradation in Fire |
| Author(s) |
Rudy Haluza, Drew Sommer, Gabriela Bran Anleu |
| On-Site Speaker (Planned) |
Rudy Haluza |
| Abstract Scope |
In accidents involving fire, vehicle designers account for structural effects from degradation of mechanical properties while also ensuring that interior temperatures remain within survivable bounds. Simulating carbon fiber reinforced polymer (CFRP) composite structures in extreme environments such as fire exposure is challenging because of how the mechanical and thermal responses interact, so a multiphysics simulation is required to accurately capture the material response. The present investigation discusses the development of a simulation approach that incorporates mechanical and thermal behavior of a CFRP coupon with an applied heat flux representing an aircraft fire. Sandia National Laboratories’ Sierra Arpeggio software was used to perform the multiphysics simulations, which allows for a two-way interaction of the mechanical and thermal simulations. The simulated thermal and mechanical response were compared to existing experimental data from the literature, and simulation results with coupled thermomechanical interactions show improved agreement with experimental data compared to more basic preliminary models. Further assessment of the simulation results shows that accurately modeling the effects of delamination is a key factor in capturing both the mechanical and thermal response during heating of the CFRP structure. |
| Proceedings Inclusion? |
Definite: Post-meeting proceedings |