Effect of an Edge Crack on Static Deflection and Natural Frequency in a Composite Material Cantilever Beam
DOI:
https://doi.org/10.47392/Keywords:
Composite Materials, Medium-Density Fibreboard (MDF), Static Deflection, Inclined Edge Crack, Natural Frequency, Structure Health Monitoring (SHM)Abstract
The presence of cracks in composite materials poses a significant risk of
catastrophic failure. Composites are used under diverse environmental conditions,
and studying cracks helps estimate service life, ensuring durability. The composite
material used in this project is MDF (Medium- Density Fibreboard). MDF is an
engineered wood product known for its flexibility for curved surfaces, costeffectiveness, and knot-free composition, making it ideal for furniture, cabinets,
and wall panels. The main aim of this work is to study the effect of an inclined edge
crack on static deflection and natural frequency in a composite material cantilever
beam, using finite element analysis. This includes examining the effect of crack
parameters like location, relative crack depth, and crack inclination angle on the
beam’s static deflection and natural frequencies of flexural vibrations. Studying
static deflection provides insights into structural stability while exploring natural
frequencies aids in predicting dynamic responses in a cracked cantilever beam.
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