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Determination of elastic properties of beech plywood by analytical, experimental and numerical methods
ID Merhar, Miran (Author)

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Abstract
This research article examines the application of various methods to determine the effective elastic properties of beech veneer-wood composites. Using laminate theory, the theoretically calculated effective values of the in-plane and out-of-plane modulus of elasticity as well as shear modulus are compared with the values determined from the natural frequencies of flexural, torsional and longitudinal vibrations of samples having dfferent orientations and numbers of composite layers. The samples are also modelled using the finite element method, and their natural frequencies are calculated by the modal analysis. Research has shown that the laminate theory, which is well established and applied in the world of synthetic composites, can also be applied to beech plywood composites, where the theoretically calculated effective values can be up to 15% higher. Similarly, due to the higher calculated effective elastic properties, higher natural frequencies of flexural, torsional and longitudinal vibrations are also calculated by the finite element method.

Language:English
Keywords:composite, laminate theory, flexural vibration, torsion, modulus of elasticity, shear modulus, finite element method, modal analysis, plywood, beech
Work type:Article
Typology:1.01 - Original Scientific Article
Organization:BF - Biotechnical Faculty
Publication status:Published
Publication version:Version of Record
Year:2020
Number of pages:21 str.
Numbering:Vol. 11, iss. 11, art. 1221
PID:20.500.12556/RUL-134686 This link opens in a new window
UDC:630*8
ISSN on article:1999-4907
DOI:10.3390/f11111221 This link opens in a new window
COBISS.SI-ID:38797059 This link opens in a new window
Publication date in RUL:26.01.2022
Views:579
Downloads:146
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Record is a part of a journal

Title:Forests
Shortened title:Forests
Publisher:MDPI
ISSN:1999-4907
COBISS.SI-ID:3872166 This link opens in a new window

Licences

License:CC BY 4.0, Creative Commons Attribution 4.0 International
Link:http://creativecommons.org/licenses/by/4.0/
Description:This is the standard Creative Commons license that gives others maximum freedom to do what they want with the work as long as they credit the author.
Licensing start date:20.11.2020

Secondary language

Language:Slovenian
Keywords:kompoziti, laminatna teorija, upogibno nihanje, torzija, modul elastičnosti, strižni modul, metoda končnih elementov, modalna analiza, vezan les, bukev

Projects

Funder:ARRS - Slovenian Research Agency
Project number:P2-0182
Name:Razvojna vrednotenja

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