2 papers
math.NA2026
The Adaptive Solution of High-Frequency Helmholtz Equations via Multi-Grade Deep Learning
Peiyao Zhao, Rui Wang, Tingting Wu +1
The Helmholtz equation is fundamental to wave modeling in acoustics, electromagnetics, and seismic imaging, yet high-frequency regimes remain challenging due to the ``pollution eff…
math.NA2025
Optimized Schwarz methods for heterogeneous heat transfer problems
Martin J. Gander, Liu-Di Lu, Tingting Wu
We present here nonoverlapping optimized Schwarz methods applied to heat transfer problems with heterogeneous diffusion coefficients. After a Laplace transform in time, we derive t…