MgNet learns the RTE solution operator via a multigrid-inspired architecture with neural sub-operators and adaptive angular filtering, delivering at least 10x speedup as a preconditioner with generalization to new parameters.
Discontinuous finite element transport solutions in thick diffusive prob- lems.Nuclear Science and Engineering, 137(3):298–333
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A Filtered MgNet Solver For Radiative Transfer Equations
MgNet learns the RTE solution operator via a multigrid-inspired architecture with neural sub-operators and adaptive angular filtering, delivering at least 10x speedup as a preconditioner with generalization to new parameters.