Numerical Modeling

About the undercut and the transition profile of the screws machined with conical disk cutters

2 months ago

Abstract AuthorsE. Munteanu Institutul de Calcul Keywords? Paper coordinatesE. Munteanu, Uber de Unterschnit und das Ubergangs profil der mit Kegeligen Scheobenfrasor…

Integration of a partial derivative equation involved in the problem of calculating thermal stresses in the boiling tubes of forced-flow boilers and radiant boilers

6 months ago

Original title (in Romanian)Integrarea unei ecuaţii cu derivate parţiale care intervine în problema calculului tensiunilor termice în tuburile fierbătoare ale…

Two complementary approaches of the periodicity detection in astronomical time series

7 months ago

Abstract Estimation of the statistical significance of the peaks appearing in the spectra of various astronomical time series is essential…

Iterative schemes for coupled flow and transport in porous media -Convergence and truncation errors

12 months ago

Abstract Nonlinearities of coupled flow and transport problems for partially saturated porous media are solved with explicit iterative L-schemes. Their…

Global random walk for one-dimensional one-phase Stefan-type moving-boundary problems: Simulation results

1 year ago

Abstract This work presents global random walk approximations of solutions to one-dimensional Stefan-type moving-boundary problems. We are particularly interested in…

Controlling numerical diffusion in solving advection-dominated transport problems

1 year ago

Abstract Numerical schemes for advection-dominated transport problems are are evaluated in a comparative study. Explicit and implicit finite difference methods…

Space-time upscaling of reactive transport in porous media

4 years ago

AbstractReactive transport in saturated/unsaturated porous media is numerically upscaled to the spacetime scale of a hypothetical measurement through coarse grained…

Global Random Walk Solutions for Flow and Transport in Porous Media

4 years ago

AbstractThis article presents a new approach to solve the equations of flow in heterogeneous porous media by using random walks…

Global random walk solvers for reactive transport and biodegradation processes in heterogeneous porous media

4 years ago

AbstractFlow and multicomponent reactive transport in saturated/unsaturated porous media are modeled by ensembles of computational particles moving on regular lattices…

Global random walk solvers for fully coupled flow and transport in saturated/unsaturated porous media

5 years ago

AbstractIn this article, we present new random walk methods to solve flow and transport problems in saturated/unsaturated porous media, including coupled flow…

Numerical Modeling

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