Paper Abstract and Keywords |
Presentation |
2018-04-26 11:10
A Numerical Study on Wave Packets and Moving ILMs Created by Exciting an Edge of One-Dimensional FPU Chain Soichiro Tanaka, Masayuki Kimura, Shinji Doi (Kyoto Univ.) NLP2018-3 |
Abstract |
(in Japanese) |
(See Japanese page) |
(in English) |
Intrinsic localized modes (ILMs) are known as energy localized vibrations in nonlinear coupled oscillators. In the Fermi-Pasta-Ulam (FPU) chain, moving ILMs can be excited by driving an edge of the chain. However, amplitude and frequency of the excitation for generating a train of moving ILMs without exciting non-localized waves have not been clarified yet. In the previous report, we have introduced variance of peak values and peak intervals of energy distribution at a certain time for identifying a parameter region in which moving ILMs are only generated. As a result, the parameter region can be clearly distinguished from the other regions by the smallness of the variance. However, the parameter region lies in phonon band. In this report, a moving localized vibration generated by in-band frequency excitation is compared to one generated by out-band frequency excitation, namely, moving ILM. |
Keyword |
(in Japanese) |
(See Japanese page) |
(in English) |
Nonlinear lattice / Intrinsic Localized Mode(Discrete Breather) / Energy Localization / / / / / |
Reference Info. |
IEICE Tech. Rep., vol. 118, no. 15, NLP2018-3, pp. 9-13, April 2018. |
Paper # |
NLP2018-3 |
Date of Issue |
2018-04-19 (NLP) |
ISSN |
Print edition: ISSN 0913-5685 Online edition: ISSN 2432-6380 |
Copyright and reproduction |
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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NLP2018-3 |
Conference Information |
Committee |
NLP |
Conference Date |
2018-04-26 - 2018-04-27 |
Place (in Japanese) |
(See Japanese page) |
Place (in English) |
Kumaoto Univ. |
Topics (in Japanese) |
(See Japanese page) |
Topics (in English) |
Discrete Dynamical Systems, Sequences, etc |
Paper Information |
Registration To |
NLP |
Conference Code |
2018-04-NLP |
Language |
Japanese |
Title (in Japanese) |
(See Japanese page) |
Sub Title (in Japanese) |
(See Japanese page) |
Title (in English) |
A Numerical Study on Wave Packets and Moving ILMs Created by Exciting an Edge of One-Dimensional FPU Chain |
Sub Title (in English) |
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Keyword(1) |
Nonlinear lattice |
Keyword(2) |
Intrinsic Localized Mode(Discrete Breather) |
Keyword(3) |
Energy Localization |
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1st Author's Name |
Soichiro Tanaka |
1st Author's Affiliation |
Kyoto University (Kyoto Univ.) |
2nd Author's Name |
Masayuki Kimura |
2nd Author's Affiliation |
Kyoto University (Kyoto Univ.) |
3rd Author's Name |
Shinji Doi |
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Kyoto University (Kyoto Univ.) |
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Speaker |
Author-1 |
Date Time |
2018-04-26 11:10:00 |
Presentation Time |
25 minutes |
Registration for |
NLP |
Paper # |
NLP2018-3 |
Volume (vol) |
vol.118 |
Number (no) |
no.15 |
Page |
pp.9-13 |
#Pages |
5 |
Date of Issue |
2018-04-19 (NLP) |
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