Bending Stiffness of Hybrid Wood-Metal Composite Beams: An Experimentally Validated Numerical Model

This paper presents an experimentally validated model for the computational analysis of metal-reinforced wooden composites. The model can be used in both research and in industry to effectively estimate how much a certain composite design improves the bending stiffness and strength of a hybrid metal...

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Bibliographic Details
Published in:Forests 2021-07, Vol.12 (7), p.918
Main Authors: Fajdiga, Gorazd, Šubic, Barbara, Kovačič, Aljaž
Format: Article
Language:English
Subjects:
Bend strength
bending stiffness
Boundary conditions
Composite beams
Composite materials
composite wooden beams
Computer applications
Finite element analysis
Hybrid composites
Mathematical models
Mechanical properties
mechanical testing
Metals
numerical modelling
Numerical models
reinforcements
Stiffness
window frames
Wood composites
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Summary:This paper presents an experimentally validated model for the computational analysis of metal-reinforced wooden composites. The model can be used in both research and in industry to effectively estimate how much a certain composite design improves the bending stiffness and strength of a hybrid metal-reinforced wooden component. A model based on computer simulations allows the prediction and analysis of the mechanical behaviour of a hybrid composite material consisting of several interconnected components made of different base materials. The model for different boundary conditions and parameters provides the correct data on stiffness, especially bending, and the associated maximum displacements. It allows for a variation of the mechanical and geometrical properties, and makes it possible to observe the initiation of irreversible change in the window-frame member. The model enables parametrical simulations to find the optimum layout of reinforcements in the window-frame member, as well as to make estimations of the maximum performance of certain designs.
ISSN:1999-4907
1999-4907
DOI:10.3390/f12070918