ResearchBenchmarksMultiphase Flow Prediction on Unseen Surface Conditions (theta_s = 45, 135) (test)Multiphase Flow Prediction on Unseen Surface Conditions (theta_s = 45, 135) (test)Follow0.9981R^2PI-LNO0.9973720.9975610.997750.997939Apr 22, 2026Evaluation resultsMethodMethodLinksR^2RMSEMAEnRMSEPI-LNOField=U (m s⁻¹)Field=U (m s⁻¹)2026.040.99812.141.4732PI-LNOField=V (m s⁻¹)Field=V (m s⁻¹)2026.040.99742.631.8938