Title: Finite element study of the melon for nondestructive sensing of firmness
Authors: Chen, H ×
De Baerdemaeker, Josse
Bellon, V #
Issue Date: May-1996
Publisher: Amer soc agr engineers
Series Title: Transactions of the ASAE vol:39 issue:3 pages:1057-1065
Abstract: 'Galia' melons were measured for their physical properties including shape and firmness, as well as the relation between the static and dynamic elastic modulus of the melon flesh. A four-layer linear elastic finite element (FE) model of the melon was established. Four mode shapes were found to exist, Of these, the breathing mode is typical for melons and the remaining three modes are common to other fruits. The stiffness factors f(2)m and f(2)m(2/3) can be used to evaluate the melon firmness where f is their resonant frequency and m the melon mass. The former(f(2)m) is for the melons that are similar in size while the later (f(2)m(2/3)) is for the melons that are similar in density but differ considerably in size. Influence of the watercore on the mode shapes and corresponding resonant frequencies was investigated, Qualitative detection of these defects is possible by monitoring the change of the mode shapes.
ISSN: 2151-0032
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Division of Mechatronics, Biostatistics and Sensors (MeBioS)
× corresponding author
# (joint) last author

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