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Preforming process simulation

Brands, D. (2015) Preforming process simulation.

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Abstract:During the internship at the process development department for fibre reinforced materials at Audi a new preforming process for thermoset unidirectional composites was studied. The main focus of this research was process simulation using the finite element methods. Two different software packages based on both explicit and implicit methods were used to study the process and compare against real results. Measurements on the composite material were performed in the context of the internship. These measurements were then analysed and fitting methods were used to find a set of material values to use in simulation. Another part of the work was the use of material models for rubbers and implementation in the FEM packages. To this extent several theoretical models have been studied. Measurements were performed and a fitting procedure was adopted to find values for in the material models. The numerical simulation procedure and models were used for both validation purposes as well as predicting purposes on ‘real’ part geometries. A comparison in both workflow and results between both software packages was also part of the outcome of the work.
Item Type:Internship Report (Master)
Clients:
Audi AG, Germany
Faculty:ET: Engineering Technology
Subject:52 mechanical engineering
Programme:Mechanical Engineering MSc (60439)
Keywords:Composite, pre-forming, simulation, CFRP, Finite element method, FEM, prepreg, carbon fire
Link to this item:http://purl.utwente.nl/essays/70275
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