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Paper Abstract and Keywords
Presentation 2015-03-04 11:35
A parallel Algorithm for Realizing the Lax-Friedrichs Scheme in Computational Fluid Dynamics and its FPGA Implementation
Yusuke Haga, Shinobu Nagayama, Shin'ichi Wakabayashi, Masato Inagi (Hiroshima City Univ.) VLD2014-180
Abstract (in Japanese) (See Japanese page) 
(in English) In the model of partial differential equations used in complex numerical simulations such as fluid analysis, it is difficult to obtain an analytical solution. Therefore, it is common to use a finite different method, which is one of numerical simulation methods, for obtaining a numerical solution. Numerical simulation methods generally require much amount of computation time, and thus many works have been done to develop special-purpose hardware for numerical simulation to shorten its computation time. In this paper, we focus on the Lax-Friedrichs scheme used to solve the one-dimensional linear advection equation, and propose a parallelized algorithm of the Lax-Friedrichs scheme to be implemented as a special-purpose circuit on the FPGA chip to shorten the computation time of numerical simulation. We implement the proposed circuit on the FPGA chip, and experimentally evaluate its performance in the simulation.
Keyword (in Japanese) (See Japanese page) 
(in English) FPGA / Lax-Friedrich scheme / Parallel Algorithm / / / / /  
Reference Info. IEICE Tech. Rep., vol. 114, no. 476, VLD2014-180, pp. 153-158, March 2015.
Paper # VLD2014-180 
Date of Issue 2015-02-23 (VLD) 
ISSN Print edition: ISSN 0913-5685  Online edition: ISSN 2432-6380
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All rights are reserved and no part of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, including photocopy, recording, or any information storage and retrieval system, without permission in writing from the publisher. Notwithstanding, instructors are permitted to photocopy isolated articles for noncommercial classroom use without fee. (License No.: 10GA0019/12GB0052/13GB0056/17GB0034/18GB0034)
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Conference Information
Committee VLD  
Conference Date 2015-03-02 - 2015-03-04 
Place (in Japanese) (See Japanese page) 
Place (in English) Okinawa Seinen Kaikan 
Topics (in Japanese) (See Japanese page) 
Topics (in English)  
Paper Information
Registration To VLD 
Conference Code 2015-03-VLD 
Language Japanese 
Title (in Japanese) (See Japanese page) 
Sub Title (in Japanese) (See Japanese page) 
Title (in English) A parallel Algorithm for Realizing the Lax-Friedrichs Scheme in Computational Fluid Dynamics and its FPGA Implementation 
Sub Title (in English)  
Keyword(1) FPGA  
Keyword(2) Lax-Friedrich scheme  
Keyword(3) Parallel Algorithm  
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1st Author's Name Yusuke Haga  
1st Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
2nd Author's Name Shinobu Nagayama  
2nd Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
3rd Author's Name Shin'ichi Wakabayashi  
3rd Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
4th Author's Name Masato Inagi  
4th Author's Affiliation Hiroshima City University (Hiroshima City Univ.)
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Speaker
Date Time 2015-03-04 11:35:00 
Presentation Time 25 
Registration for VLD 
Paper # IEICE-VLD2014-180 
Volume (vol) IEICE-114 
Number (no) no.476 
Page pp.153-158 
#Pages IEICE-6 
Date of Issue IEICE-VLD-2015-02-23 


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