A comparative study between NURBS surfaces and voxels to simulate the wear phenomenon in micro-EDM

Abstract : The prediction of the tool wear phenomenon in the micro electro discharge machining technology would be of a great use in the optimization of tool shapes. In order to do so, the ability to rapidly and precisely simulate the process is required. The choice of a geometrical model for the electrodes is of the utmost importance as it will condition the available methods for the simulation.Two geometrical models have been tested and implemented: NURBS and voxels embedded in an octree data structure. A limited experimental validation has been conducted and the results compared to the simulation through the use of the Hausdorff metric.
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Anthony Surleraux, Jean Philippe Pernot, Samuel Bigot. A comparative study between NURBS surfaces and voxels to simulate the wear phenomenon in micro-EDM. Computer-Aided Design and Applications, CAD Solutions LLC (imprimé) and Taylor & Francis Online (en ligne), 2016, 13 (6), pp.792-798. ⟨10.1080/16864360.2016.1168222⟩. ⟨hal-01403239⟩

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