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Numerical modeling to complement wood tests
Uppsala University, Disciplinary Domain of Science and Technology, Technology, Department of Engineering Sciences, Applied Mechanics.
2013 (English)Independent thesis Basic level (degree of Bachelor), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Pressure tests on wood have been conducted to determine its properties. The resultswere not as expected, and it is therefore difficult to obtain the parameters of thewood. This project examines how a specific defect in the wood sample affects theresult.The pressure test is simulated with numerical modeling. In the numerical model thecube’s top side is non-parallel with the bottom side, it is in other words somewhattilted.The results from the model agreed with the findings from some pressure tests. Withthose we can easily calculate the wood's properties. For other pressure tests, otherfactors might need to be examined before we can draw any conclusions.

Abstract [sv]

Tryckprover på trä har utförts för att ta reda dess egenskaper. Resultaten blev intevad som förväntades, och det blir därför svårt att få fram träets egenskaper. Dettaprojekt undersöker hur en viss defekt i träprovet påverkar resultatet.Tryckprovet simuleras med numerisk modellering. I modellen är kubens toppsida inteparallell med bottensidan, den är med andra ord något sned.Resultatet från modellen stämde med resultat från vissa tryckprover. Då kan man fåfram träets egenskaper. För andra tryckprover kan andra faktorer behöva undersökasinnan man kan dra några slutsatser.

Place, publisher, year, edition, pages
2013. , 18 p.
Series
TVE, 13055 augusti
Keyword [en]
vasa wood testing compression numerical moddeling Young's modulus
National Category
Materials Engineering
Identifiers
URN: urn:nbn:se:uu:diva-207269OAI: oai:DiVA.org:uu-207269DiVA: diva2:649972
Educational program
Master Programme in Engineering Physics
Supervisors
Examiners
Available from: 2013-09-20 Created: 2013-09-11 Last updated: 2013-09-20Bibliographically approved

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