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Fluent solver expanded to the nano-world

AuthorsPina-Estany, J.; Fraxedas, J. ; Perez Murano, Francesc X. ; Colominas, C.; Puigoriol-Forcada, J. M.; Garcia-Granada, A. A.
Issue Date2016
CitationPRN 2016
AbstractWithin the www.aim4np.eu project, a metrology platform hosting an Atomic Force Microscope [AFM] will be used for the determination of the nanomechanical objects’ surfaces at production sites enabling inline process control. Plastic injection was chosen as a case system for the validation-study. The goal is to determine the influence of the micro/nano roughness of a mould and the roughness of the resulting part. The determination of the link between the nanomechanical properties mould’s surface and the functionality of the mould is addressed both by means of experimental and simulation techniques. Moulds and moulded plastic parts have been characterized by AFM and other techniques, and computer models have been developed to simulate the effect of mould surface roughness on the appearance of the final plastic piece. All available simulation codes devoted to plastic injection have so far been conceived for large pieces in industrial applications (e.g. automotive) with dimensions well above the millimetre range. Thus, it was foreseeable that the extension of such codes down to the nanometre range would be challenging. Therefore, we were driven to develop the necessary code to carry out nano-simulations: ANSYS Fluent capabilities are expanded with own-developed User Defined Functions. The aim is to obtain a model able to forecast the relationship between the depth of the mould’s marks (blue line) and how much they are replicated by the polymer (red line).
DescriptionResumen del póster presentado a la 3rd International Conference on Polymer Replication on Nanoscale, celebrada en Switzerland del 19 al 20 de mayo de 2016.
Appears in Collections:(CIN2) Comunicaciones congresos
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