Results 31 to 40 of about 397 (150)

GMRES based numerical simulation and parallel implementation of multicomponent multiphase flow in porous media

Cogent Engineering, 2020
This article considered the numerical simulation of multicomponent multiphase flow in porous media. The resulting system of nonlinear equations linearized by the Newton-Raphson method and solved with the iterative Generalized minimal residual method ...
Saltanbek T. Mukhambetzhanov, Danil V. Lebedev, Nurislam M. Kassymbek, Timur S. Imankulov, Bazargul Matkerim, Darkhan Zh. Akhmed-Zaki   +5 more
doaj   +1 more source

Perception of E-health Technology Scale in Chinese Brief (PETS-C Brief): Translation, item reduction, and psychometric testing

Digital Health, 2022
Introduction Perception of e-health is a broad concept involving many aspects of values and thoughts related to e-health. It is an important precursor to using e-health technologies to promote health.
Rick Yiu Cho Kwan, Simon Ching Lam, Shao Ling Wang, Arkers Kwan Ching Wong, Lei Shi, Frances Kam Yuet Wong   +5 more
doaj   +1 more source

PETSc Users Manual Revision 3.7 [PDF]

, 2016
This manual describes the use of PETSc for the numerical solution of partial differential equations and related problems on high-performance computers. The Portable, Extensible Toolkit for Scientific Computation (PETSc) is a suite of data structures and routines that provide the building blocks for the implementation of large-scale application codes on
Balay, Satish, Abhyankar, S., Adams, M., Brune, P., Buschelman, K., Dalcin, Lisandro, Gropp, W., Smith, B., Karpeyev, D., Kaushik, D., McInnes, L. Curfman, Rupp, K., Zhang, H., Zampini, Stefano   +13 more
openaire   +2 more sources

Choosing a library for the Python programming language for visualizing the operation of parallel algorithms [PDF]

E3S Web of Conferences
The research compares the capabilities of several libraries for the Python language, which allow creating a test application and visually demonstrate the operation of a parallel program in real time. It was found that the Python language is often used to
Sharov Sergii, Sitsylitsyn Yurii, Naumuk Oleksii, Lubko Dmytro, Kolmakova Vira   +4 more
doaj   +1 more source

MPI Parallelization of Numerical Simulations for Pulsed Vacuum Arc Plasma Plumes Based on a Hybrid DSMC/PIC Algorithm

Aerospace, 2022
The transport characteristics of the unsteady flow field in rarefied plasma plumes is crucial for a pulsed vacuum arc in which the particle distribution varies from 1016 to 1022 m−3.
Fuxiang Yang, Jie Li, Chuanfu Xu, Dali Li, Haozhong Qiu, Ao Xu   +5 more
doaj   +1 more source

The BPS preconditioner on Beowulf cluster

Revista de Matemática: Teoría y Aplicaciones, 2009
This work presents the implementation on a Linux Cluster of a parallel preconditioner for the solution of the linear system resulting from the finite element discretization of a 2D second order elliptic boundary value problem.
Oscar Salas-Huertas, Daniele Marazzina, Sergio Rovida, Giovanni Sacchi, Simone Scacchi   +4 more
doaj   +1 more source

The PETSc Community Is the Infrastructure

, 2022
The communities who develop and support open source scientific software packages are crucial to the utility and success of such packages. Moreover, these communities form an important part of the human infrastructure that enables scientific progress.
Adams, Mark, Balay, Satish, Marin, Oana, McInnes, Lois Curfman, Mills, Richard Tran, Munson, Todd, Zhang, Hong, Zhang, Junchao, Brown, Jed, Eijkhout, Victor, Faibussowitsch, Jacob, Knepley, Matthew, Kong, Fande, Kruger, Scott, Sanan, Patrick, Smith, Barry F., Zhang, Hong   +16 more
openaire   +2 more sources

An open-source parallel topology optimization framework based on unstructured 3D FEA using PETSc and Eigen

SoftwareX
This paper presents an open-source framework based on unstructured meshes for three-dimensional large-scale parallel topology optimization using PETSc and Eigen, which is easy to use and expand.
Yu Wang, Renfu Li, Kun Wang
doaj   +1 more source

Approaching a solution for richards-2D equation by finite volumes method with the aid of Picard-Krylov algorithms

Revista Águas Subterrâneas, 2017
This research evaluates the Richards equation through the method of finite volumes in two dimensions making use of the Picard’s method with the most computational efficiency.
Marcelo Xavier Guterres, João Flávio Vieira Vasconcellos, Antônio José da Silva Neto, Carla Beatriz da Luz Peralta, Luis Gabriel Machado de Freitas Teixera   +4 more
doaj   +1 more source

A numerical study of Landau damping with PETSc-PIC

Communications in Applied Mathematics and Computational Science, 2023
14 pages, 7 ...
Finn, Daniel S., Knepley, Matthew G., Pusztay, Joseph V., Adams, Mark F.   +3 more
openaire   +2 more sources