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Parametric study in modeling orthogonal machining of CFRP

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2018-03
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2018-03-07
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Abstract
Composite materials machining is a field in which theoretical knowledge is still being studied. However, these materials have revolutionized some industries as the aeronautical due to their exceptional mechanical properties and its lightness. In order to analyse possible post-manufacturing process FEM has become popular. Models are created with the purpose of predicting the possible damage and forces required. This thesis shows the process followed to develop one of those models in the software LS-DYNA. An orthogonal cut is simulated. The validation given experimental data of the same orthogonal cut is justified. One of the main problems is also implemented in the model: delamination of the composite plies. The advantages of numerical models are exposed by analysing different cases and results such as stress and pressure contours in a less amount of time and with a lower cost.
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Composite materials, Aeronautics, Numerical models, LS-Dyna
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