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Does PINN training require a reference solution to the training data points? #1729
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PINNs were originally proposed to replace PDE solvers, meaning no analytical solution is required. This is very different from conventional supervised PDE solvers such as unet, FEDformer, FNO where you actually provide the analytical solution for each sample. |
Hello, Doctor, in the case of the "Helmholtz acoustic hard scattering problem with absorption boundary conditions", the analytical solution was not given and the training result was wrong, why? Is it possible to train in PINN only through the boundary conditions and the loss function of the PDE term, and will the training result be greatly affected by not giving the analytic solution?
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