Metodologija inženirskega oblikovanja električne kitare na podlagi akustičnega odziva materiala : doktorska disertacija

Ray, Tony

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Title:	Metodologija inženirskega oblikovanja električne kitare na podlagi akustičnega odziva materiala : doktorska disertacija
Authors:	ID Ray, Tony (Author) ID Kaljun, Jasmin (Mentor) More about this mentor... ID Straže, Aleš (Comentor)
Files:	DOK_Ray_Tony_2022.pdf (9,68 MB) MD5: A3D4C8B3CC76502F861D6863FE12B296 PID: 20.500.12556/dkum/c1dbdaff-6f8c-4c7a-a6bd-8603e72ad1d0
Language:	Slovenian
Work type:	Doctoral dissertation
Typology:	2.08 - Doctoral Dissertation
Organization:	FS - Faculty of Mechanical Engineering
Abstract:	V doktorski disertaciji smo v prvem delu opravili raziskave akustičnega odziva in modalne analize pri prostem upogibnem nihanju preizkušanca za izdelavo električne kitare. S takšno raziskavo, vzporedno s poznavanjem elastomehanskih materialnih lastnosti preizkušanca smo določili njegovo akustično kakovost ter možnosti uporabe v glasbenem inštrumentu. Za raziskavo smo uporabili dva različna materiala. Po teh meritvah, ki jih lahko imenujemo tudi bazne, smo imeli opravljeno osnovno izhodišče, za nadaljnje delo, ki smo ga definirali s hipotezami. Nadaljevali smo z istimi vzorci, na katere smo pritrdili enak vrat kitare, enake odjemnike, enak mostiček in enako kvalitetne strune. Sledil je preizkus merjenja kompletne zvočne slike glasbenega inštrumenta. Na osnovi primarnega materiala (vzorec telesa kitare) smo merili frekvenčni odziv pri posamezni varianti. Dobljeni rezultati, so pokazali odvisnost zvoka od vpliva osnovnega materiala (telesa kitare). Do sedaj je bila znana praksa, da so praktično vsi negirali vpliv telesa električne kitare (solid body) na končno podobo zvočne slike. Mi pa v tej doktorski disertaciji želimo pokazati prav nasprotno od tega. V drugem delu je sledila izdelava numeričnega modela, kjer smo dobili podobne rezultate kot rezultate na realnem modelu v laboratoriju. Glede na to, da smo se z numeričnim modelom zadostno približali rezultatom realnega modela, smo razvili metodologijo oblikovanja, kjer s spreminjanjem oblike telesa kitare vplivamo na zvočno podobo inštrumenta, še preden je inštrument fizično izdelan. V zadnjem delu disertacije na osnovi primerjave rezultatov tudi verificiramo metodologijo razvoja glasbenega inštrumenta (električne kitare) s pripadajočimi konstrukcijskimi in oblikovalskimi priporočili.
Keywords:	električna kitara, mehanika, akustične lastnosti, les, jesen, oreh, inženirsko oblikovanje, metodologija oblikovanja, akustični odziv
Place of publishing:	Maribor
Place of performance:	Maribor
Publisher:	[T. Ray]
Year of publishing:	2022
Number of pages:	XVII, 140 str.
PID:	20.500.12556/DKUM-80688
UDC:	[7.05+534.6]:[780.653.1:780.614.131](043.3)
COBISS.SI-ID:	102474243
Publication date in DKUM:	24.03.2022
Views:	1578
Downloads:	26
Metadata:
Categories:	KTFMB - FS
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Licences

License:	CC BY-NC-ND 4.0, Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International

Link:	http://creativecommons.org/licenses/by-nc-nd/4.0/
Description:	The most restrictive Creative Commons license. This only allows people to download and share the work for no commercial gain and for no other purposes.
Licensing start date:	28.09.2021

Secondary language

Language:	English
Title:	ELECTRIC GUITAR ENGINEERING DESIGN BASED ON ACOUSTIC MATERIAL RESPONSE
Abstract:	In the first part of the doctoral dissertation, we performed research on the acoustic response and modal analysis in the free bending vibration of a specimen for the production of an electric guitar. With such research and with knowledge of elastomechanical material properties, we tested its exact quality and possibilities of use in a musical instrument. We used two different materials for the research. According to these measurements, which can also be called basic, we were entitled to a basic starting point for further work that we defined with hypotheses. We continued with the same patterns on which we attached the same guitar neck, the same pantographs, the same jumper, and the same quality strings. This was followed by a test of measuring the overall sound image of a musical instrument. Based on the primary material (guitar body sample), we measured the frequency response in individual variants. The obtained results, i.e. indicators of the dependence of sound on the influence of the basic material (guitar body). It was till now a well-known practice that virtually everyone denied the influence of electric guitars (solid body) on the final image of the sound. In this doctoral dissertation, however, we want to show the exact opposite. The second part was followed by the production of a numerical model where we obtained similar results as the results in the real model in the laboratory. Given that the numerical models were sufficiently close to the results of the real model, we developed a design methodology where we changed the shapes of the guitar body to affect the sound image of the instrument even before it was physically made. In the last part of the dissertation, based on the comparison of the results, we also verified the methodology of the development of a musical instrument (electric guitar) with the accompanying construction and design recommendations.
Keywords:	electric guitar, mechanics, acoustics properties, wood, ash, walnut, engineering design, design methodology, acoustics response

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