The physics of financial networks

M Bardoscia, P Barucca, S Battiston, F Caccioli… - Nature Reviews …, 2021 - nature.com
As the total value of the global financial market outgrew the value of the real economy,
financial institutions created a global web of interactions that embodies systemic risks …

[HTML][HTML] A simple and general framework for the construction of thermodynamically compatible schemes for computational fluid and solid mechanics

R Abgrall, S Busto, M Dumbser - Applied Mathematics and Computation, 2023 - Elsevier
We introduce a simple and general framework for the construction of thermodynamically
compatible schemes for the numerical solution of overdetermined hyperbolic PDE systems …

[HTML][HTML] On the robustness of high-order upwind summation-by-parts methods for nonlinear conservation laws

H Ranocha, AR Winters, M Schlottke-Lakemper… - Journal of …, 2025 - Elsevier
We use the framework of upwind summation-by-parts (SBP) operators developed by
Mattsson (2017, doi: 10.1016/j. jcp. 2017.01. 042) and study different flux vector splittings in …

Reinterpretation and extension of entropy correction terms for residual distribution and discontinuous Galerkin schemes: application to structure preserving …

R Abgrall, P Öffner, H Ranocha - Journal of Computational Physics, 2022 - Elsevier
For the general class of residual distribution (RD) schemes, including many finite element
(such as continuous/discontinuous Galerkin) and flux reconstruction methods, an approach …

Thermodynamically compatible discretization of a compressible two-fluid model with two entropy inequalities

A Thomann, M Dumbser - Journal of Scientific Computing, 2023 - Springer
We present two methods for the numerical solution of an overdetermined symmetric
hyperbolic and thermodynamically compatible (SHTC) model of compressible two-phase …

Analysis of the SBP-SAT stabilization for finite element methods part II: entropy stability

R Abgrall, J Nordström, P Öffner, S Tokareva - Communications on Applied …, 2021 - Springer
In the hyperbolic research community, there exists the strong belief that a continuous
Galerkin scheme is notoriously unstable and additional stabilization terms have to be added …

An exactly curl-free staggered semi-implicit finite volume scheme for a first order hyperbolic model of viscous two-phase flows with surface tension

S Chiocchetti, M Dumbser - Journal of Scientific Computing, 2023 - Springer
In this paper, we present a pressure-based semi-implicit numerical scheme for a first order
hyperbolic formulation of compressible two-phase flow with surface tension and viscosity …

Efficient implementation of modern entropy stable and kinetic energy preserving discontinuous Galerkin methods for conservation laws

H Ranocha, M Schlottke-Lakemper, J Chan… - ACM Transactions on …, 2023 - dl.acm.org
Many modern discontinuous Galerkin (DG) methods for conservation laws make use of
summation by parts operators and flux differencing to achieve kinetic energy preservation or …

Scalable resolvent analysis for three-dimensional flows

A Farghadan, E Martini, A Towne - Journal of Computational Physics, 2025 - Elsevier
Resolvent analysis is a powerful tool for studying coherent structures in turbulent flows.
However, its application beyond canonical flows with symmetries that can be used to …

Summation-by-parts operators for general function spaces: The second derivative

J Glaubitz, SC Klein, J Nordström, P Öffner - Journal of Computational …, 2024 - Elsevier
Many applications rely on solving time-dependent partial differential equations (PDEs) that
include second derivatives. Summation-by-parts (SBP) operators are crucial for develo** …