Showing physics.comp-phShow all
2 papers · 1 filter
physics.comp-ph2026
Matrix-Free Resolvent Analysis for Large-Scale Aerodynamic Systems
Rohit Sunil Kanchi, Sicheng He
Predicting transonic buffet requires resolving both flow stability and disturbance amplification. Resolvent analysis gives the amplification. However, each gain needs the solution…
physics.comp-ph2026
How Does Distribution Shift Shape Pretraining Gains in Neural PDE Surrogates?
Pochinapeddi Sai Bhargav, Nithin Somasekharan, Rohit Sunil Kanchi +2
Pretraining a neural PDE surrogate can reduce the amount of new CFD data needed when geometry or modeled physics changes. However, it remains unclear how different components of di…