Urban flood numerical simulation: Research, methods and future perspectives

P Luo, M Luo, F Li, X Qi, A Huo, Z Wang, B He… - … Modelling & Software, 2022 - Elsevier
Urban flooding has become an increasingly frequent and fatal natural hazard and numerical
modeling techniques play a vital role in its prediction and management. We review urban …

A high-order Lagrangian discontinuous Galerkin hydrodynamic method for quadratic cells using a subcell mesh stabilization scheme

X Liu, NR Morgan, DE Burton - Journal of Computational Physics, 2019 - Elsevier
We present a Lagrangian discontinuous Galerkin (DG) hydrodynamic method that is up to
third-order accurate using subcell mesh stabilization (SMS) for compressible flows on …

Positivity-preserving cell-centered Lagrangian schemes for multi-material compressible flows: From first-order to high-orders. Part I: The one-dimensional case

F Vilar, CW Shu, PH Maire - Journal of Computational Physics, 2016 - Elsevier
One of the main issues in the field of numerical schemes is to ally robustness with accuracy.
Considering gas dynamics, numerical approximations may generate negative density or …

A three dimensional coupled VOF and Level set (VOSET) method with and without phase change on general curvilinear grids

Z Cao, J Zhou, A Liu, D Sun, B Yu, J Wei - Chemical Engineering Science, 2020 - Elsevier
Abstract A 3D coupled VOF and LS method (VOSET) on general curvilinear grids is
developed for two-phase flow simulations in complex domains. The evolution of volume …

An explicit Lagrangian finite element method for free-surface weakly compressible flows

M Cremonesi, S Meduri, U Perego, A Frangi - Computational Particle …, 2017 - Springer
In the present work, an explicit finite element approach to the solution of the Lagrangian
formulation of the Navier-Stokes equations for weakly compressible fluids or fluid-like …

A coupled volume-of-fluid and level set method based on multi-dimensional advection for unstructured triangular meshes

Z Cao, D Sun, J Wei, B Yu - Chemical Engineering Science, 2018 - Elsevier
This paper presents a coupled volume-of-fluid and level set (VOSET) method for
unstructured triangular meshes to simulate incompressible two phase flows. In the method, a …

A 3D finite element ALE method using an approximate Riemann solution

VP Chiravalle, NR Morgan - International Journal for Numerical …, 2017 - Wiley Online Library
Summary Arbitrary Lagrangian–Eulerian finite volume methods that solve a
multidimensional Riemann‐like problem at the cell center in a staggered grid hydrodynamic …

A review on development and applications of element-free galerkin methods in computational fluid dynamics

WY Tey, Y Asako, KC Ng, WH Lam - International Journal for …, 2020 - Taylor & Francis
Element-free Galerkin (EFG) method was formulated to simulate elastic fracture in structural
mechanics and it possesses great advantages by allowing more flexible numerical treatment …

Reducing spurious mesh motion in Lagrangian finite volume and discontinuous Galerkin hydrodynamic methods

NR Morgan, X Liu, DE Burton - Journal of Computational Physics, 2018 - Elsevier
The Lagrangian finite volume (FV) cell-centered hydrodynamic (CCH) method and the
Lagrangian discontinuous Galerkin (DG) CCH method have been demonstrated to be quite …

[HTML][HTML] An interpolation-free ALE scheme for unsteady inviscid flows computations with large boundary displacements over three-dimensional adaptive grids

B Re, C Dobrzynski, A Guardone - Journal of Computational Physics, 2017 - Elsevier
A novel strategy to solve the finite volume discretization of the unsteady Euler equations
within the Arbitrary Lagrangian–Eulerian framework over tetrahedral adaptive grids is …