Results 71 to 80 of about 571 (177)

A fourier-hermite pseudospectral method for penetrative convection

open access: yes, 1997
The first contribution of the thesis is the development of an efficient Fourier-Hermite pseudospectral method for solving the penetrative convection problem in an infinite domain.
Tse, Kwan-leung
core  

An Immersed Boundary, Fourier Pseudospectral Method for Advection, Diffusion, and Reaction in Incompressible Flow

open access: yes, 2020
An immersed boundary method (IBM) for the advection, diffusion, and reaction (ADR) of chemicals or species in incompressible flow is proposed. Suitable for complex geometries, the IBM with multidirect forcing is used in this paper to impose Dirichlet ...
Schiff, Joseph
core  

An exact in time Fourier pseudospectral method with multiple conservation laws for three-dimensional Maxwell’s equations

open access: yes
Maxwell’s equations describe the propagation of electromagnetic waves and are therefore fundamental to understanding many problems encountered in the study of antennas and electromagnetics.
Bin Wang, Yaolin Jiang
core   +1 more source

A time-splitting Fourier pseudospectral method for the Wigner(-Poisson)-Fokker-Planck equations

open access: yesComputers & Mathematics with Applications
In this article, we propose an efficient time-splitting Fourier pseudospectral method for the Wigner(-Poisson)-Fokker-Planck equations. The method achieves second-order accuracy in time and spectral accuracy in phase space, both of which are rigorously verified by numerical experiments.
Qian Yi, Limin Xu
openaire   +2 more sources

Linearly implicit energy-preserving Fourier pseudospectral schemes for the complex modified Korteweg-de Vries equation

open access: yes, 2021
We propose two linearly implicit energy-preserving schemes for the complex modified Korteweg–de Vries equation, based on the invariant energy quadratization method.
Zhu, L.   +3 more
core  

OpenPSTD: The open source pseudospectral time-domain method for acoustic propagation

open access: yes, 2016
An open source implementation of the Fourier pseudospectral time-domain (PSTD) method for computing the propagation of sound is presented, which is geared towards applications in the built environment.
van Harten, L.   +6 more
core   +1 more source

Mesh adaptation for pseudospectral ultrasound simulations [PDF]

open access: yes, 2018
High-intensity focussed ultrasound (HIFU) is an emerging cancer therapy that holds great promise, as it is minimially invasive, requires no ionising radiation, and can treat small volumes precisely.
Wise, Elliott Steven
core  

Reverse Time Migration of Elastic Waves Using the Pseudospectral Time-Domain Method

open access: yes, 2018
Reverse time migration (RTM), especially that for elastic waves, consumes massive computation resources which limit its wide applications in industry. We suggest to use the pseudospectral time-domain (PSTD) method in elastic wave RTM. RTM using PSTD can
Zichao Guo   +4 more
core   +1 more source

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