Abstract
ABSTRACTIn this research, the behavior of orange fruit under impact cases was investigated by finite-element modeling in SolidWorks simulation and experimental dropping tests. The values of 0.584 MPa and 0.24 were experimentally determined for modulus of elasticity and Poisson’s ratio as a pre-requirement for simulation. In the simulation tests, orange fruits were dropped from two different heights of 2 and 3 m with a drop angle of 45° relatives to a rigid plane. Experimental tests were also conducted to validate simulation results. Maximum equivalent stress and contact force were obtained from simulation results 0.5826 MPa and 14.95 N, respectively.
Highlights
Orange fruits due to vitamin C, minerals, as well as fresh consumption, have an important position in agricultural products and producing countries gain substantial income by exporting them
Some of the physical and mechanical properties of the orange fruit under abovementioned condition indicate in Table 1 to use in the finite-element methods (FEM) simulation
This study presents a practical and efficient way for modeling and analyzing the behavior of samples when dropping on a rigid plate in SolidWorks software and evaluates it with experimental tests
Summary
Orange fruits due to vitamin C, minerals, as well as fresh consumption, have an important position in agricultural products and producing countries gain substantial income by exporting them. Iran produces 4% of the world’s orange fruit and generates more than 2733,000 t annually.[1] It is essential having sufficient knowledge of the physical and mechanical properties of orange fruit for harvesting. Mechanical damage during harvest and postharvest processing of agricultural products is causing physiological changes. These damages reduce the quality and the decay of the fruits. Mechanical impacts are known as a major factor of the crop’s postharvest losses.[2] some bruising results do not appear instantly, they can contribute to decreasing quality of the fruit within a short period.[3,4,5] Predictions of the impact areas, deformation, and stress distribution in the fruit are important issues in postharvest studies. The development of computer technology with the availability of the finite-element methods (FEM) which can be a useful tool to predict the mechanical behaviors of fruits is employed to solve complicated problems using computer-aided engineering technology without need to physical tests.[6]
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