[HTML][HTML] High-order mimetic finite-difference operators satisfying the extended Gauss divergence theorem
J Corbino, JE Castillo - Journal of Computational and Applied Mathematics, 2020 - Elsevier
We present high-order mimetic finite-difference operators that satisfy the extended Gauss
theorem. These operators have the same order of accuracy in the interior and at the …
theorem. These operators have the same order of accuracy in the interior and at the …
[HTML][HTML] Solving navier–stokes with mimetic operators
J Brzenski, JE Castillo - Computers & Fluids, 2023 - Elsevier
We present a new scheme for solving Navier–Stokes equations using mimetic difference
operators. These operators can be constructed to high orders of accuracy and maintain the …
operators. These operators can be constructed to high orders of accuracy and maintain the …
Triangular finite differences using bivariate Lagrange polynomials with applications to elliptic equations
This paper proposes finite-difference schemes based on triangular stencils to approximate
partial derivatives using bivariate Lagrange polynomials. We use first-order partial derivative …
partial derivatives using bivariate Lagrange polynomials. We use first-order partial derivative …
Tensor formulation of 3-D mimetic finite differences and applications to elliptic problems
J Blanco, O Rojas, C Chacón… - Electronic …, 2016 - etna.ricam.oeaw.ac.at
The mimetic discretization of a boundary value problem (BVP) seeks to reproduce the same
underlying properties that are satisfied by the continuous solution. In particular, the Castillo …
underlying properties that are satisfied by the continuous solution. In particular, the Castillo …
Isomorphic Structures and Operator Analysis in Mimetic Discretizations
J De Curtò, I De Zarzà - IEEE Access, 2024 - ieeexplore.ieee.org
This study presents a comprehensive examination of the structural and operatorial
foundations within mimetic discretizations, with a focus on bridging the gap between discrete …
foundations within mimetic discretizations, with a focus on bridging the gap between discrete …
[HTML][HTML] Validation of the nonhydrostatic General Curvilinear Coastal Ocean Model (GCCOM) for stratified flows
While global-and basin-scale processes can be captured quite well with computationally-
inexpensive hydrostatic models, smaller-scale features such as shoaling nonlinear internal …
inexpensive hydrostatic models, smaller-scale features such as shoaling nonlinear internal …
Spectral Properties of Mimetic Operators for Robust Fluid–Structure Interaction in the Design of Aircraft Wings
J de Curtò, I de Zarzà - Mathematics, 2024 - mdpi.com
This paper presents a comprehensive study on the spectral properties of mimetic finite-
difference operators and their application in the robust fluid–structure interaction (FSI) …
difference operators and their application in the robust fluid–structure interaction (FSI) …
Solving a Poisson equation with singularities by the least-squares collocation method
VA Belyaev - Numerical Analysis and Applications, 2020 - Springer
ABSTRACT New h-, p-, and hp-versions of the least-squares collocation method (LSCM) are
proposed and implemented for solving the Dirichlet problem for a Poisson equation …
proposed and implemented for solving the Dirichlet problem for a Poisson equation …
Curvilinear High-Order Mimetic Differences that Satisfy Conservation Laws
We investigate the construction and usage of mimetic operators in curvilinear staggered
grids. Specifically, we extend the Corbino-Castillo operators so they can be utilized to solve …
grids. Specifically, we extend the Corbino-Castillo operators so they can be utilized to solve …
High order mimetic difference simulation of unsaturated flow using Richards equation
AB Velazco, J Corbino, J Castillo - Mathematics in Applied Sciences …, 2020 - ojs.lib.uwo.ca
The vadose zone is the portion of the subsurface above the water table and its pore space
usually contains air and water. Due to the presence of infiltration, erosion, plant growth …
usually contains air and water. Due to the presence of infiltration, erosion, plant growth …