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Title: An Operator-Integration-Factor Splitting (OIFS) method for Incompressible Flows in Moving Domains

Abstract

In this paper, we present a characteristic-based numerical procedure for simulating incompressible flows in domains with moving boundaries. Our approach utilizes an operator-integration-factor splitting technique to help produce an effcient and stable numerical scheme. Using the spectral element method and an arbitrary Lagrangian-Eulerian formulation, we investigate flows where the convective acceleration effects are non-negligible. Several examples, ranging from laminar to turbulent flows, are considered. Comparisons with a standard, semi-implicit time-stepping procedure illustrate the improved performance of the scheme.

Authors:
 [1];  [2];  [1];  [3]
  1. Argonne National Lab. (ANL), Argonne, IL (United States)
  2. Argonne National Lab. (ANL), Argonne, IL (United States); Univ. of Illinois, Urbana-Champaign, IL (United States)
  3. Argonne National Lab. (ANL), Argonne, IL (United States); Aristotle Univ., Thessaloniki (Greece)
Publication Date:
Research Org.:
Argonne National Lab. (ANL), Argonne, IL (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Advanced Scientific Computing Research (ASCR) (SC-21)
OSTI Identifier:
1414290
Report Number(s):
ANL/ALCF-17/8
140626
DOE Contract Number:
AC02-06CH11357
Resource Type:
Technical Report
Country of Publication:
United States
Language:
English
Subject:
97 MATHEMATICS AND COMPUTING

Citation Formats

Patel, Saumil S., Fischer, Paul F., Min, Misun, and Tomboulides, Ananias G. An Operator-Integration-Factor Splitting (OIFS) method for Incompressible Flows in Moving Domains. United States: N. p., 2017. Web. doi:10.2172/1414290.
Patel, Saumil S., Fischer, Paul F., Min, Misun, & Tomboulides, Ananias G. An Operator-Integration-Factor Splitting (OIFS) method for Incompressible Flows in Moving Domains. United States. doi:10.2172/1414290.
Patel, Saumil S., Fischer, Paul F., Min, Misun, and Tomboulides, Ananias G. Sat . "An Operator-Integration-Factor Splitting (OIFS) method for Incompressible Flows in Moving Domains". United States. doi:10.2172/1414290. https://www.osti.gov/servlets/purl/1414290.
@article{osti_1414290,
title = {An Operator-Integration-Factor Splitting (OIFS) method for Incompressible Flows in Moving Domains},
author = {Patel, Saumil S. and Fischer, Paul F. and Min, Misun and Tomboulides, Ananias G},
abstractNote = {In this paper, we present a characteristic-based numerical procedure for simulating incompressible flows in domains with moving boundaries. Our approach utilizes an operator-integration-factor splitting technique to help produce an effcient and stable numerical scheme. Using the spectral element method and an arbitrary Lagrangian-Eulerian formulation, we investigate flows where the convective acceleration effects are non-negligible. Several examples, ranging from laminar to turbulent flows, are considered. Comparisons with a standard, semi-implicit time-stepping procedure illustrate the improved performance of the scheme.},
doi = {10.2172/1414290},
journal = {},
number = ,
volume = ,
place = {United States},
year = {Sat Oct 21 00:00:00 EDT 2017},
month = {Sat Oct 21 00:00:00 EDT 2017}
}

Technical Report:

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