Reverse engineering approach for precise measurement of the physical attributes related to the geometric features of agricultural products
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The irregular shape of most agricultural products complicates their physical and engineering analysis. Therefore, precise description of the irregular product geometric surface form/shape is significant for any related analyses used in both product quality evaluation and design of agricultural machinery systems. This study describes a reverse engineering application procedure for precise description of the physical attributes related to geometric features (size, shape, volume etc.) of the agricultural products under consideration. In the study, a three-dimensional (3D) laser scanner has been utilised and 3D digital model data of the selected sample agricultural product (Pecan Fruit) processed in the virtual environment through 3D scanner software and 3D parametric solid modelling design software has been collected. After 3D solid models were created, some of the physical attributes related to geometric features of the agricultural products were measured precisely and realistic virtual 3D computer aided design (CAD) data was provided for deeper rheological investigation such as structural deformation, fluid dynamics (flow) and heat transfer analyses of the products by means of computer aided engineering (CAE) techniques. Finally, a comparative deformation simulation case study was concluded. This study contributes to further research into the development of agricultural machinery and equipment through the utilisation of reverse engineering and CAD tools.
KeywordsReverse engineering Design of agricultural machinery Computer aided design Computer aided engineering Rheological analysis Organic materials Pecan fruit
This work is partly supported financially by The Scientific Research Projects Coordination Unit of Akdeniz University (Turkey).
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