Dr. Tony Ray
Associate Member Of IPD CAD LAB, University of Maribor, Faculty of Mechanical Engineering, Maribor, Slovenia
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Academic Career Length
8Years (2019-Present)
(Calculated once Scilit publication data is synced: current year − year of first publication + 1)
Representative Publications
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Journal Article
Research show that the vibrations of the strings and the radiated sound of the solid body electric guitar depend on the vibrational behavior of its structure in addition to the extended electronic chain. In this regard, most studies focused on the vibro-mechanical properties of the neck of the electric guitar and neglected the coupling of the vibrating strings with the neck and the solid body of the instrument. Therefore, the aim of the study was to understand how the material properties of the solid body could affect the stiffness and vibration damping of the whole instrument when comparing ash (Fraxinus excelsior L.) and walnut (Juglans regia L.) wood. In the electric guitar with identical components, higher modal frequencies were confirmed in the structure of the instrument when the solid body was made of the stiffer ash wood. The use of ash wood for the solid body of the instrument due to coupling effect resulted in a beneficial reduction in the vibration damping of the neck of the guitar. The positive effect of the low damping of the solid body of the electric guitar made of ash wood was also confirmed in the vibration of the open strings. In the specific case of free-free vibration mode, the decay time was longer for higher harmonics of the E2, A2 and D3 strings.
11 March 2019 in Archives of Acoustics
Journal Article
Tony RayAZAnton Zorič
Anton Zorič
JKJasmin Kaljun
Jasmin Kaljun
EŽErvin Žveplan
Ervin Žveplan
Aleš StražeFor the purpose of making of a solid body of an electric guitar the acoustic- and mechanical properties of walnut- (Juglans regia L.) and ash wood (Fraxinus excelsior L.) were researched. The acoustic properties were determined in a flexural vibration response of laboratory conditioned wood elements of 430 × 186 × 42.8 mm used for making of a solid body of an electric guitar. The velocity of shearand compression ultrasonic waves was additionally determined in parallel small oriented samples of 80 × 40 × 40 mm. The research confirmed better mechanical properties of ash wood, that is, the larger modulus of elasticity and shear modules in all anatomical directions and planes. The acoustic quality of ash wood was better only in the basic vibration mode. Walnut was, on the other hand, lighter and more homogenous and had lower acoustic- and mechanical anisotropy. Additionally, reduced damping of walnut at higher vibration modes is assumed to have a positive impact on the vibration response of future modelled and built solid bodies of electric guitars. When choosing walnut wood, better energy transfer is expected at a similar string playing frequency and a structure resonance of the electric guitar.
15 December 2021 in International Journal of Simulation Modelling
Journal Article
About Me
After graduating from high school, I graduated in 1987 at the 1st level of mechanical engineering studies, and then in 2014 at the2nd mechanical engineering studies. During this time, I was active in many Slovenian companies, where I worked as a designer, development technologist, project manager and director. I continued my studies at the INDUSTRIAL AND PRODUCT DESIGN master's study program, and I graduated it in 2016. I upgraded my knowledge and competencies at the doctoral study at the Faculty of Mechanical Engineering in Maribor, and I graduated it with a doctoral dissertation entitled Methodology of electric guitar engineering based on acoustic response material. I published the results of my research work in the form of three original scientific articles in world-renowned journals with the impact factor JCR and an independent chapter in a scientific monograph. In my doctoral dissertation and related research work, I investigated the influence of the material and shape of the body of an electric guitar, starting from the assumption that the material properties of a full body to dampen string oscillations to an extent perceptible to the listener. Through experimental analyzes and numerical simulations, I presented the influence of material and body shape on the produced sound of the guitar, on the basis of which I then defined the relevant design recommendations.