Numerical Analysis of Branch Mechanical Response to Loading
The result's identifiers
Result code in IS VaVaI
<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F62156489%3A43410%2F19%3A43916181" target="_blank" >RIV/62156489:43410/19:43916181 - isvavai.cz</a>
Result on the web
<a href="https://www.isa-arbor.com/Publications/Arboriculture-Urban-Forestry#archived" target="_blank" >https://www.isa-arbor.com/Publications/Arboriculture-Urban-Forestry#archived</a>
DOI - Digital Object Identifier
<a href="http://dx.doi.org/10.48044/jauf.2019.011" target="_blank" >10.48044/jauf.2019.011</a>
Alternative languages
Result language
angličtina
Original language name
Numerical Analysis of Branch Mechanical Response to Loading
Original language description
Failure of a tree can be caused by a stem breakage, tree uprooting, or branch failure. While the pulling test is used for assessing the first two cases, there is no device-supported method to assess branch failure. A combination of the optical technique, pulling test, and deflection curve analysis could provide a device-supported tool for this kind of assessment. The aim of the work was to perform a structural analysis of branch response to static mechanical loading. The analyses were carried out by finite element simulations in ANSYS using beam tapered elements of elliptical cross-sections. The numerical analyses were verified by the pulling test combined with a sophisticated optical assessment of deflection evaluation. The Probabilistic Design System was used to find the parameters that influence branch mechanical response to loading considering the use of cantilever beam deflection for stability analysis. The difference in the branch's deflection between the simulation and the experiment is 0.5% to 26%. The high variability may be explained by the variable modulus of the elasticity of branches. The finite element (FE) sensitivity analysis showed a higher significance of geometry parameters (diameter, length, tapering, elliptical cross-section) than material properties (elastic moduli). The anchorage rotation was found to be significant, implying that this parameter may affect the outcome in mechanical analysis of branch behavior. The branch anchorage can influence the deflection of the whole branch, which should be considered in stability assessment.
Czech name
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Czech description
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Classification
Type
J<sub>SC</sub> - Article in a specialist periodical, which is included in the SCOPUS database
CEP classification
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OECD FORD branch
10700 - Other natural sciences
Result continuities
Project
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Continuities
S - Specificky vyzkum na vysokych skolach
Others
Publication year
2019
Confidentiality
S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů
Data specific for result type
Name of the periodical
Arboriculture & Urban Forestry
ISSN
1935-5297
e-ISSN
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Volume of the periodical
45
Issue of the periodical within the volume
4
Country of publishing house
US - UNITED STATES
Number of pages
12
Pages from-to
120-131
UT code for WoS article
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EID of the result in the Scopus database
2-s2.0-85100443717