자료유형  

 학위논문

Control Number  

0017161530

International Standard Book Number  

9798342104258

Dewey Decimal Classification Number  

761

Main Entry-Personal Name  

Pessler, Devon.

Publication, Distribution, etc. (Imprint  

[S.l.] : Purdue University., 2024

Publication, Distribution, etc. (Imprint  

Ann Arbor : ProQuest Dissertations & Theses, 2024

Physical Description  

121 p.

General Note  

Source: Dissertations Abstracts International, Volume: 86-04, Section: A.

General Note  

Advisor: French, Mark.

Dissertation Note  

Thesis (Ph.D.)--Purdue University, 2024.

Summary, Etc.  

요약Acoustic guitar soundboard material selection is based on selective evaluations that have been developed over centuries. These traditional practices are not conducive to the guitar industry we experience today because the supply of traditionally acceptable soundboard wood has decreased greatly. The purpose of this research was to develop an objective wood selection metric to determine the sound quality of an acoustic guitar's soundboard. The metric would replace the subjective evaluations traditionally used to select materials for acoustic guitar soundboards.The acoustic properties of sound radiation coefficient, material's speed of sound, resonance and damping and the material properties of longitudinal and radial elastic modulus, density, and specific modulus were used in an attempt to construct a material selection metric. These variables were selected because the literature review revealed that these were the most critical variables in determining sound quality. The gaps in the literature were testing and analyzing samples that represented the true dimensions of an acoustic guitar soundboard blank and forming the metric. The literature revealed that the previous experimental studies did not have the appropriate test sample dimensions that correspond to the test samples evaluated by the subjective methods.The methodology was carried out by using the objective testing counterparts to the subjective assessments found in the literature review. Instrumented hammer tap testing collected data to determine damping and resonance frequencies. A three-point static bending test collected data for longitudinal and radial elastic modulus. Mass and dimension measurements were recorded to calculate density. Calculations were done to compute the acoustic properties and specific modulus of the test samples. These variables were put into a table and underwent statistical analysis in the form of predictor correlation and logistical regression. The experimental variables were modeled against an expert's subjective evaluation of the test samples' usability.Statistical analysis proved that the dataset did not show any significant separation between "good" or "bad" test samples or a significant correlation between the usability of the test sample and the variables in the dataset. The methodology did not produce an objective material selection metric to determine the sound quality of an acoustic guitar's soundboard. Future research should include a wider range of measured frequencies and the collection of time domain data.

Subject Added Entry-Topical Term  

Wood.

Subject Added Entry-Topical Term  

Usability.

Subject Added Entry-Topical Term  

Humidity.

Subject Added Entry-Topical Term  

Energy.

Subject Added Entry-Topical Term  

Spectrum allocation.

Subject Added Entry-Topical Term  

Boundary conditions.

Subject Added Entry-Topical Term  

Radiation.

Subject Added Entry-Topical Term  

Vibration.

Subject Added Entry-Topical Term  

Sound.

Subject Added Entry-Topical Term  

Moisture content.

Subject Added Entry-Topical Term  

Musical instruments.

Subject Added Entry-Topical Term  

Sample size.

Subject Added Entry-Topical Term  

Physics.

Subject Added Entry-Topical Term  

Endangered & extinct species.

Subject Added Entry-Topical Term  

Guitars.

Subject Added Entry-Topical Term  

Acoustics.

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Electromagnetics.

Subject Added Entry-Topical Term  

Electrical engineering.

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Mathematics.

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Music.

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Optics.

Subject Added Entry-Topical Term  

Wildlife conservation.

Added Entry-Corporate Name  

Purdue University.

Host Item Entry  

Dissertations Abstracts International. 86-04A.

Electronic Location and Access  

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Control Number  

joongbu:658206