44 citations · 82 across the 7 of their papers we have counts for
7 papers
Air Quality Downscaling with Station-Guided Pseudo-Supervision
Guorun Wang, Simone Foti, Andreas D. Demou +5
Super-resolving coarse atmospheric fields to local PM variations is uniquely challenged by a mismatch in spatial support: while pixels represent regional averages, ground-t…
fmxcoders: Factorized Masked Crosscoders for Cross-Layer Feature Discovery
Andreas D. Demou, Panagiotis Koromilas, James Oldfield +2
Many features in pretrained Transformers span multiple layers: they emerge through stages of inference, persist in the residual stream, or are built jointly by parallel MLPs. Cross…
On the hydrodynamic behaviour of the immersed boundary -- lattice Boltzmann method for wetting problems
Elisa Bellantoni, Fabio Guglietta, Andreas Demou +6
We study the hydrodynamic behaviour of a mesoscale numerical model for wetting dynamics based on the immersed boundary - lattice Boltzmann (IBLB) method. This IBLB model features a…
PolySAE: Modeling Feature Interactions in Sparse Autoencoders via Polynomial Decoding
Panagiotis Koromilas, Andreas D. Demou, James Oldfield +2
Sparse autoencoders (SAEs) interpret neural network representations by decomposing activations into sparse combinations of dictionary atoms. However, SAEs assume features combine a…
Evaporating Rayleigh-Bénard convection: prediction of interface temperature and global heat transfer modulation
Nicoló Scapin, Andreas D. Demou, Luca Brandt
We propose an analytical model to estimate the interface temperature and the Nusselt number for an evaporating two-layer Rayleigh-Bénard configuration in statistically s…
FluTAS: A GPU-accelerated finite difference code for multiphase flows
Marco Crialesi-Esposito, Nicolo Scapin, Andreas D. Demou +4
We present the Fluid Transport Accelerated Solver, FluTAS, a scalable GPU code for multiphase flows with thermal effects. The code solves the incompressible Navier-Stokes equation…
A pressure-based diffuse interface method for low-Mach multiphase flows with mass transfer
Andreas D. Demou, Nicoló Scapin, Marica Pelanti +1
This study presents a novel pressure-based methodology for the efficient numerical solution of a four-equation two-phase diffuse interface model. The proposed methodology has the p…