Reduced order modeling for thermal simulations of electric components with surface-to-surface radiation

M Zorzetto, R Torchio, F Lucchini, S Massei… - IEEE …, 2024 - ieeexplore.ieee.org
This paper introduces the application of a reduced-order modeling technique for accurate
temperature monitoring in Power Electronics modules. The methodology involves coupling …

Semi-Lagrangian finite element exterior calculus for incompressible flows

W Tonnon, R Hiptmair - Advances in Computational Mathematics, 2024 - Springer
We develop a semi-Lagrangian discretization of the time-dependent incompressible Navier-
Stokes equations with free boundary conditions on arbitrary simplicial meshes. We recast …

Probing scrambling and operator size distributions using random mixed states and local measurements

PD Blocher, K Chinni, S Omanakuttan, PM Poggi - Physical Review Research, 2024 - APS
The dynamical spreading of quantum information through a many-body system, typically
called scrambling, is a complex process that has proven to be essential to describe many …

Using multiple Dirac delta points to describe inhomogeneous flux density over a cell boundary in a single-cell diffusion model

Q Peng, SC Hille - arxiv preprint arxiv:2401.16261, 2024 - arxiv.org
Biological cells can release compounds into their direct environment, generally
inhomogeneously over their cell membrane, after which the compounds spread by diffusion …

Finding patient zero in susceptible-infectious-susceptible epidemic processes

R Persoons, P Van Mieghem - Physical Review E, 2024 - APS
Finding the source of an epidemic is important, because correct source identification can
help to stop a budding epidemic or prevent new ones. We investigate the backward …

[HTML][HTML] Solving Nonlinear Energy Supply and Demand System Using Physics-Informed Neural Networks

VT Vo, S Noeiaghdam, D Sidorov, A Dreglea, L Wang - Computation, 2025 - mdpi.com
Nonlinear differential equations and systems play a crucial role in modeling systems where
time-dependent factors exhibit nonlinear characteristics. Due to their nonlinear nature …

[PDF][PDF] The Flux Divergence Method Applied to Nitrogen Emissions in The Netherlands

C Bryan - 2022 - repository.tudelft.nl
In the Netherlands, reactive nitrogen emission (nitrogen oxides and ammonia) from
anthropogenic activity puts pressure on vulnerable ecosystems. Effective policies to curb the …

[PDF][PDF] On the numerical solution of second order delay differential equations via a novel approach

K Salma Aljawia, S Hussainb, K Shahc… - J. Math. Comput …, 2025 - researchgate.net
Delay differential equations belong to an important class of differential equations in which
the evolution of the state depends on the previous time. This work proposes a novel …

Small errors in random zeroth-order optimization are imaginary

W Jongeneel, MC Yue, D Kuhn - SIAM Journal on Optimization, 2024 - SIAM
Most zeroth-order optimization algorithms mimic a first-order algorithm but replace the
gradient of the objective function with some gradient estimator that can be computed from a …

A Distributed Temperature Sensing based soil temperature profiler

B Schilperoort, C Jiménez Rodríguez… - …, 2023 - egusphere.copernicus.org
Storage of heat in the soil is one of the main components of the energy balance, and is
essential in studying the land-atmosphere heat exchange. However, its measurement …