A statistical approach to violin evaluation

R Malvermi, S Gonzalez, F Antonacci, A Sarti… - Applied Sciences, 2022 - mdpi.com
Featured Application Physics-informed quality assessment of a stringed musical instrument.
Abstract Comparing violins requires competence and involves both subjective and objective …

The impact of alkaline treatments on elasticity in spruce tonewood

R Malvermi, M Albano, S Gonzalez, G Fiocco… - Scientific Reports, 2022 - nature.com
It is commonly believed that violins sound differently when finished. However, if the role of
varnishes on the vibrational properties of these musical instruments is well-established, how …

A numerical approach for solving optimal control problem of fractional order vibration equation of large membranes

S Aghchi, H Fazli, HG Sun - Computers & Mathematics with Applications, 2024 - Elsevier
The purpose of this study is to introduce a computational method for solving the two-
dimensional optimal control problem of the large membrane vibration equation of fractional …

Fundamentals of acoustics

C Sujatha - Vibration, Acoustics and Strain Measurement: Theory …, 2023 - Springer
This chapter is mainly devoted to the theoretical aspects of acoustics. Each topic is preceded
by a small introduction to interesting facts and persons associated with it. The chapter starts …

Layerwise analyses of compact and thin-walled beams made of viscoelastic materials

M Filippi, E Carrera, AM Regalli - … of Vibration and …, 2016 - asmedigitalcollection.asme.org
This paper evaluates the vibration characteristics of structures with viscoelastic materials.
The mechanical properties of viscoelastic layers have been described with the complex …

Design sensitivity analysis of dynamic response of nonviscously damped systems

L Li, Y Hu, X Wang - Mechanical Systems and Signal Processing, 2013 - Elsevier
The sensitivity problem of dynamic analysis of linear nonviscously damped systems is
considered. The assumed nonviscous dam** forces depend on the past history of motion …

[PDF][PDF] Operational matrix approach for solving fractional vibration equation of large membranes with error estimation

S Aghchi, H Sun, H Fazli - Filomat, 2024 - pmf.ni.ac.rs
The principal purpose of this work is to present a numerical technique for the fractional
vibration equation of large membranes. This method uses the Chebyshev cardinal functions …

FG and viscoelastic models combination for vibroacoustic modeling of sandwich structures made of open and closed cell foam materials

A Tarkashvand, K Daneshjou, A Golmohammadi - Composite Structures, 2021 - Elsevier
This paper presents a new method based on a functionally graded viscoelastic model for
examining the acoustic vibrations of a submerged sandwich shell in the fluid. The structure …

Improved approximate methods for calculating frequency response function matrix and response of MDOF systems with viscoelastic hereditary terms

L Li, Y Hu, X Wang - Journal of Sound and Vibration, 2013 - Elsevier
As we know, it is difficult and unnecessary to obtain all the eigenpairs of a large-scaled
viscoelastic (nonviscous or hysteretic) dam** systems, which means that the mode …

Eliminating the modal truncation problem encountered in frequency responses of viscoelastic systems

L Li, Y Hu, X Wang - Journal of Sound and Vibration, 2014 - Elsevier
Increasing the number of degrees of freedom used in finite element analysis for mechanical
and structural systems with viscoelastic dam**, the need to consider the modal truncation …