Grading lumber with acoustic-based technologies Part 1: modeling acoustic (stress) wave behavior in clear wood and lumber

Wood and Fiber Science

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Field Value
 
Title Grading lumber with acoustic-based technologies Part 1: modeling acoustic (stress) wave behavior in clear wood and lumber
 
Creator Senalik, Christopher Adam
Franca, F. J.N.
Seale, R. D.
Ross, Robert J.
Shmulsky, R.
 
Subject Mechanical Properties
wave model; frequency; clear wood; lumber; modulus of elasticity
10.100; 10.300; 10.400
 
Description This research article summarizes results from Part 1 of a study designed to examine using advanced signal processing techniques with acoustic-based lumber assessment technologies to evaluate the MOE, ultimate tension stress (UTS), and MOR of structural lumber. In Part 1 of this research article, a mathematical model of acoustic wave behavior in an idealized specimen is derived using fundamental mechanics. Published information on the physical and mechanical properties of clear, defect-free wood is input into the model to examine acoustic wave behavior. Wave behavior is then examined experimentally in a series of wood specimens. Observed wave behavior in the clear wood specimens, in both time and frequency domains, closely resembles idealized wave behavior. In Part 2 of this research article, predictions from the model are used to improve estimation of the UTS of wood specimens. 
 
Publisher Wood and Fiber Science
 
Contributor USDA Forest Service
 
Date 2020-10-28
 
Type info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

 
Format application/pdf
 
Identifier http://wfs.swst.org/index.php/wfs/article/view/2961
 
Source Wood and Fiber Science; Vol 52, No 4 (2020); 380-389
0735-6161
0735-6161
 
Language eng
 
Relation http://wfs.swst.org/index.php/wfs/article/view/2961/2599
http://wfs.swst.org/index.php/wfs/article/downloadSuppFile/2961/1662
http://wfs.swst.org/index.php/wfs/article/downloadSuppFile/2961/1663
http://wfs.swst.org/index.php/wfs/article/downloadSuppFile/2961/1664
http://wfs.swst.org/index.php/wfs/article/downloadSuppFile/2961/1665
 
Rights Copyright (c) 2020 Wood and Fiber Science
 

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