ResearchBenchmarksSolving Wave Equation on Wave2D HeterogeneousFollow1.35Rel. L2 ErrorFNN-PINN1.34321.38911.4351.4809Jun 18, 2026Evaluation ResultsMethodMethodLinksRel. L2 ErrorImprovement (%)FNN-PINN2026.061.35—SEA-PINN2026.061.52-12.21