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An extended harmonic balance method based on incremental nonlinear control parameters
Mechanical Systems and Signal Processing, Volume: 85, Pages: 716 - 729
Swansea University Authors: Hamed Haddad Khodaparast , Hadi Madinei , Michael Friswell, Sondipon Adhikari
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DOI (Published version): 10.1016/j.ymssp.2016.09.008
Abstract
A new formulation for calculating the steady-state responses of multiple-degree-of-freedom (MDOF) non-linear dynamic systems due to harmonic excitation is developed. This is aimed at solving multi-dimensional nonlinear systems using linear equations. Nonlinearity is parameterised by a set of ‘non-li...
Published in: | Mechanical Systems and Signal Processing |
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ISSN: | 0888-3270 |
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2017
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URI: | https://cronfa.swan.ac.uk/Record/cronfa29776 |
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2020-07-17T14:40:06.0784367 v2 29776 2016-09-07 An extended harmonic balance method based on incremental nonlinear control parameters f207b17edda9c4c3ea074cbb7555efc1 0000-0002-3721-4980 Hamed Haddad Khodaparast Hamed Haddad Khodaparast true false d9a10856ae9e6a71793eab2365cff8b6 0000-0002-3401-1467 Hadi Madinei Hadi Madinei true false 5894777b8f9c6e64bde3568d68078d40 Michael Friswell Michael Friswell true false 4ea84d67c4e414f5ccbd7593a40f04d3 Sondipon Adhikari Sondipon Adhikari true false 2016-09-07 AERO A new formulation for calculating the steady-state responses of multiple-degree-of-freedom (MDOF) non-linear dynamic systems due to harmonic excitation is developed. This is aimed at solving multi-dimensional nonlinear systems using linear equations. Nonlinearity is parameterised by a set of ‘non-linear control parameters' such that the dynamic system is effectively linear for zero values of these parameters and nonlinearity increases with increasing values of these parameters. Two sets of linear equations which are formed from a first-order truncated Taylor series expansion are developed. The first set of linear equations provides the summation of sensitivities of linear system responses with respect to non-linear control parameters and the second set are recursive equations that use the previous responses to update the sensitivities. The obtained sensitivities of steady-state responses are then used to calculate the steady state responses of non-linear dynamic systems in an iterative process. The application and verification of the method are illustrated using a non-linear Micro-Electro-Mechanical System (MEMS) subject to a base harmonic excitation. The non-linear control parameters in these examples are the DC voltages that are applied to the electrodes of the MEMS devices. Journal Article Mechanical Systems and Signal Processing 85 716 729 0888-3270 15 2 2017 2017-02-15 10.1016/j.ymssp.2016.09.008 COLLEGE NANME Aerospace Engineering COLLEGE CODE AERO Swansea University 2020-07-17T14:40:06.0784367 2016-09-07T11:30:00.5171572 Faculty of Science and Engineering School of Engineering and Applied Sciences - Uncategorised Hamed Haddad Khodaparast 0000-0002-3721-4980 1 Hadi Madinei 0000-0002-3401-1467 2 Michael Friswell 3 Sondipon Adhikari 4 Simon Coggon 5 Jonathan E. Cooper 6 0029776-07092016113107.pdf khodaparast2016.pdf 2016-09-07T11:31:07.2870000 Output 1712232 application/pdf Accepted Manuscript true 2017-09-17T00:00:00.0000000 true |
title |
An extended harmonic balance method based on incremental nonlinear control parameters |
spellingShingle |
An extended harmonic balance method based on incremental nonlinear control parameters Hamed Haddad Khodaparast Hadi Madinei Michael Friswell Sondipon Adhikari |
title_short |
An extended harmonic balance method based on incremental nonlinear control parameters |
title_full |
An extended harmonic balance method based on incremental nonlinear control parameters |
title_fullStr |
An extended harmonic balance method based on incremental nonlinear control parameters |
title_full_unstemmed |
An extended harmonic balance method based on incremental nonlinear control parameters |
title_sort |
An extended harmonic balance method based on incremental nonlinear control parameters |
author_id_str_mv |
f207b17edda9c4c3ea074cbb7555efc1 d9a10856ae9e6a71793eab2365cff8b6 5894777b8f9c6e64bde3568d68078d40 4ea84d67c4e414f5ccbd7593a40f04d3 |
author_id_fullname_str_mv |
f207b17edda9c4c3ea074cbb7555efc1_***_Hamed Haddad Khodaparast d9a10856ae9e6a71793eab2365cff8b6_***_Hadi Madinei 5894777b8f9c6e64bde3568d68078d40_***_Michael Friswell 4ea84d67c4e414f5ccbd7593a40f04d3_***_Sondipon Adhikari |
author |
Hamed Haddad Khodaparast Hadi Madinei Michael Friswell Sondipon Adhikari |
author2 |
Hamed Haddad Khodaparast Hadi Madinei Michael Friswell Sondipon Adhikari Simon Coggon Jonathan E. Cooper |
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Journal article |
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Mechanical Systems and Signal Processing |
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85 |
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716 |
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2017 |
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Swansea University |
issn |
0888-3270 |
doi_str_mv |
10.1016/j.ymssp.2016.09.008 |
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Faculty of Science and Engineering |
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Faculty of Science and Engineering |
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Faculty of Science and Engineering |
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School of Engineering and Applied Sciences - Uncategorised{{{_:::_}}}Faculty of Science and Engineering{{{_:::_}}}School of Engineering and Applied Sciences - Uncategorised |
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description |
A new formulation for calculating the steady-state responses of multiple-degree-of-freedom (MDOF) non-linear dynamic systems due to harmonic excitation is developed. This is aimed at solving multi-dimensional nonlinear systems using linear equations. Nonlinearity is parameterised by a set of ‘non-linear control parameters' such that the dynamic system is effectively linear for zero values of these parameters and nonlinearity increases with increasing values of these parameters. Two sets of linear equations which are formed from a first-order truncated Taylor series expansion are developed. The first set of linear equations provides the summation of sensitivities of linear system responses with respect to non-linear control parameters and the second set are recursive equations that use the previous responses to update the sensitivities. The obtained sensitivities of steady-state responses are then used to calculate the steady state responses of non-linear dynamic systems in an iterative process. The application and verification of the method are illustrated using a non-linear Micro-Electro-Mechanical System (MEMS) subject to a base harmonic excitation. The non-linear control parameters in these examples are the DC voltages that are applied to the electrodes of the MEMS devices. |
published_date |
2017-02-15T03:36:16Z |
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1763751574226599936 |
score |
11.037166 |