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An Objective Material Selection Metric for Acoustic Guitar Soundboards
An Objective Material Selection Metric for Acoustic Guitar Soundboards
An Objective Material Selection Metric for Acoustic Guitar Soundboards

상세정보

자료유형  
 학위논문 서양
최종처리일시  
20250211151409
ISBN  
9798342104258
DDC  
761
저자명  
Pessler, Devon.
서명/저자  
An Objective Material Selection Metric for Acoustic Guitar Soundboards
발행사항  
[Sl] : Purdue University, 2024
발행사항  
Ann Arbor : ProQuest Dissertations & Theses, 2024
형태사항  
121 p
주기사항  
Source: Dissertations Abstracts International, Volume: 86-04, Section: A.
주기사항  
Advisor: French, Mark.
학위논문주기  
Thesis (Ph.D.)--Purdue University, 2024.
초록/해제  
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.
일반주제명  
Wood
일반주제명  
Usability
일반주제명  
Humidity
일반주제명  
Energy
일반주제명  
Spectrum allocation
일반주제명  
Boundary conditions
일반주제명  
Radiation
일반주제명  
Vibration
일반주제명  
Sound
일반주제명  
Moisture content
일반주제명  
Musical instruments
일반주제명  
Sample size
일반주제명  
Physics
일반주제명  
Endangered & extinct species
일반주제명  
Guitars
일반주제명  
Acoustics
일반주제명  
Electromagnetics
일반주제명  
Electrical engineering
일반주제명  
Mathematics
일반주제명  
Music
일반주제명  
Optics
일반주제명  
Wildlife conservation
기타저자  
Purdue University.
기본자료저록  
Dissertations Abstracts International. 86-04A.
전자적 위치 및 접속  
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■1001  ▼aPessler,  Devon.
■24513▼aAn  Objective  Material  Selection  Metric  for  Acoustic  Guitar  Soundboards
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■260  1▼aAnn  Arbor▼bProQuest  Dissertations  &  Theses▼c2024
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■500    ▼aSource:  Dissertations  Abstracts  International,  Volume:  86-04,  Section:  A.
■500    ▼aAdvisor:  French,  Mark.
■5021  ▼aThesis  (Ph.D.)--Purdue  University,  2024.
■520    ▼aAcoustic  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.
■590    ▼aSchool  code:  0183.
■650  4▼aWood
■650  4▼aUsability
■650  4▼aHumidity
■650  4▼aEnergy
■650  4▼aSpectrum  allocation
■650  4▼aBoundary  conditions
■650  4▼aRadiation
■650  4▼aVibration
■650  4▼aSound
■650  4▼aMoisture  content
■650  4▼aMusical  instruments
■650  4▼aSample  size
■650  4▼aPhysics
■650  4▼aEndangered  &  extinct  species
■650  4▼aGuitars
■650  4▼aAcoustics
■650  4▼aElectromagnetics
■650  4▼aElectrical  engineering
■650  4▼aMathematics
■650  4▼aMusic
■650  4▼aOptics
■650  4▼aWildlife  conservation
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■71020▼aPurdue  University.
■7730  ▼tDissertations  Abstracts  International▼g86-04A.
■790    ▼a0183
■791    ▼aPh.D.
■792    ▼a2024
■793    ▼aEnglish
■85640▼uhttp://www.riss.kr/pdu/ddodLink.do?id=T17161530▼nKERIS▼z이  자료의  원문은  한국교육학술정보원에서  제공합니다.

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