SYNCHRONOUS AND CONCURRENT MULTIDOMAIN COMPUTING METHOD FOR CLOUD COMPUTING PLATFORMS

Marcelino Anguiano

doi:10.1137/20M1349278

2021-07-20

DOI：10.1137/20M1349278

原文链接

摘要

En 中文

We present a numerical method for synchronous and concurrent solution of transient elastodynamics problem where the computational domain is divided into subdomains that may reside on separate computational platforms. This work employs the variational multiscale discontinuous Galerkin (VMDG) method to develop interdomain transmission conditions for transient problems. The fine-scale modeling concept leads to variationally consistent coupling terms at the common interfaces. The method admits a large class of time discretization schemes, and decoupling of the solution for each subdomain is achieved by selecting any explicit algorithm. Numerical tests with a manufactured solution problem show optimal convergence rates. The energy history in a free vibration problem is in agreement with that of the solution from a monolithic computational domain.

Keyword:

multiple computational subdomains

interface coupling

explicit time integration

concurrent solutions

elastodynamics

variational multiscale methods

期刊

SIAM Journal on Scientific Computing

IF:

2.6

论文数:

5.1K

被引数:

1.8W

机构

University of Illinois Urbana-Champaign

学者数:

2.4W

论文数: 2.0W

被引数: 35

University of Illinois System

学者数:

6.9W

论文数: 6.2W

被引数: 644

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