A variational-energy PINN with exact BC enforcement via output modification and transfer learning solves phase-field fracture problems on four test cases with higher accuracy than residual-based PINNs.
2d and 3d abaqus implementation of a robust staggered phase-field solution for modeling brittle fracture
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Transfer learning enhanced physics informed neural network for phase-field modeling of fracture
A variational-energy PINN with exact BC enforcement via output modification and transfer learning solves phase-field fracture problems on four test cases with higher accuracy than residual-based PINNs.