Essentially non-oscillatory and weighted essentially non-oscillatory schemes

CW Shu - Acta Numerica, 2020 - cambridge.org
Essentially non-oscillatory (ENO) and weighted ENO (WENO) schemes were designed for
solving hyperbolic and convection–diffusion equations with possibly discontinuous solutions …

[HTML][HTML] The entropy fix in augmented Riemann solvers in presence of source terms: Application to the shallow water equations

J Mairal, J Murillo, P García-Navarro - Computer Methods in Applied …, 2023 - Elsevier
Extensions to the Roe and HLL method have been previously formulated in order to solve
the Shallow Water equations in the presence of source terms. These were named the …

Modeling blood flow in viscoelastic vessels: the 1D augmented fluid–structure interaction system

G Bertaglia, V Caleffi, A Valiani - Computer Methods in Applied Mechanics …, 2020 - Elsevier
Nowadays mathematical models and numerical simulations are widely used in the field of
hemodynamics, representing a valuable resource to better understand physiological and …

[HTML][HTML] A family of well-balanced WENO and TENO schemes for atmospheric flows

A Navas-Montilla, I Echeverribar - Journal of Computational Physics, 2023 - Elsevier
We herein present a novel methodology to construct very high order well-balanced schemes
for the computation of the Euler equations with gravitational source term, with application to …

Modeling blood flow in networks of viscoelastic vessels with the 1-D augmented fluid–structure interaction system

F Piccioli, G Bertaglia, A Valiani, V Caleffi - Journal of Computational …, 2022 - Elsevier
A noteworthy aspect in blood flow modeling is the definition of the mechanical interaction
between the fluid flow and the biological structure that contains it, namely the vessel wall …

[HTML][HTML] High-order fully well-balanced numerical methods for one-dimensional blood flow with discontinuous properties

E Pimentel-García, LO Müller, EF Toro… - Journal of Computational …, 2023 - Elsevier
In this paper, we are interested in the numerical study of the one-dimensional blood flow
model with discontinuous mechanical and geometrical properties. We present the …

Numerical coupling of 0D and 1D models in networks of vessels including transonic flow conditions. Application to short‐term transient and stationary hemodynamic …

J Murillo, P García‐Navarro - International Journal for …, 2023 - Wiley Online Library
When modeling complex fluid networks using one‐dimensional (1D) approaches, boundary
conditions can be imposed using zero‐dimensional (0D) models. An application case is the …

A solution of the junction Riemann problem for 1d hyperbolic balance laws in networks including supersonic flow conditions on elastic collapsible tubes

J Murillo, P García-Navarro - Symmetry, 2021 - mdpi.com
The numerical modeling of one-dimensional (1D) domains joined by symmetric or
asymmetric bifurcations or arbitrary junctions is still a challenge in the context of hyperbolic …

Adaptation of flux-based solvers to 2D two-layer shallow flows with variable density including numerical treatment of the loss of hyperbolicity and drying/wetting fronts

J Murillo, S Martinez-Aranda… - Journal of …, 2020 - iwaponline.com
An important feature of the two-layer shallow flow model is that the resulting system of
equations cannot be expressed in conservation-law form. Here, the HLLS and ARoe solvers …

Multiscale Constitutive Framework of One-Dimensional Blood Flow Modeling: Asymptotic Limits and Numerical Methods

G Bertaglia, L Pareschi - Multiscale Modeling & Simulation, 2023 - SIAM
In this paper, a multiscale constitutive framework for one-dimensional blood flow modeling is
presented and discussed. By analyzing the asymptotic limits of the proposed model, it is …