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 |
A coupled Thermo-Mechanical Phase Field Model to Predict Intra and Interlaminar Fracture in Fiber-Reinforced Polymer Composites at High-Temperature Environment |
Author(s) |
Akash Kumar, Trisha Sain |
On-Site Speaker (Planned) |
Akash Kumar |
Abstract Scope |
Modeling damage and fracture in FRPC under combined thermal and mechanical loadings requires a comprehensive analysis of the underlying coupled behavior. In this work, we present a thermodynamically consistent coupled thermo-mechanical phase field model for the interface and bulk fracture and their complex interactions in FRPC materials at high-temperature mechanical environment. In addition, the thermally influenced viscous behavior of the polymer matrix is also considered in modeling the constitutive response and damage driving force. The constitutive behavior of the FRPC is modeled as a homogenized material consisting of a viscoelastic matrix and axially deformable fibers characterized by fiber volume fractions and orientations. The viscoelastic behavior of polymer, in the form of a Generalized Maxwell model, is captured through a standard Prony-series type expansion. Spatial temperature evolution and local heat dissipation due to the viscous response are included in the model predictions for a thermo-mechanically coupled simulation. The proposed model is implemented in ABAQUS/Standard by writing a user-element subroutine (UEL) to understand the fracture behavior under coupled mechanical and thermal loading. The model’s capability is tested through several important benchmark problems. |
Proceedings Inclusion? |
Definite: Post-meeting proceedings |