| People | Locations | Statistics |
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| Naji, M. |
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| Motta, Antonella |
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| Aletan, Dirar |
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| Mohamed, Tarek |
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| Ertürk, Emre |
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| Taccardi, Nicola |
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| Kononenko, Denys |
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| Petrov, R. H. | Madrid |
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| Alshaaer, Mazen | Brussels |
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| Bih, L. |
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| Casati, R. |
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| Muller, Hermance |
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| Kočí, Jan | Prague |
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| Šuljagić, Marija |
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| Kalteremidou, Kalliopi-Artemi | Brussels |
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| Azam, Siraj |
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| Ospanova, Alyiya |
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| Blanpain, Bart |
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| Ali, M. A. |
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| Popa, V. |
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| Rančić, M. |
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| Ollier, Nadège |
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| Azevedo, Nuno Monteiro |
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| Landes, Michael |
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| Rignanese, Gian-Marco |
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Schmidt, Fabrice M.
IMT Mines Albi
in Cooperation with on an Cooperation-Score of 37%
Topics
Publications (41/41 displayed)
- 2022Determination of a degradation-induced limit for the consolidation of CF/PEEK composites using a thermo-kinetic viscosity modelcitations
- 2022Numerical Simulation of Recycled PET Preforms Infrared Heating Including Force Convection Effect in the Industrial ISBM Ovens
- 2022Infrared heating modeling of recycled PET preforms in injection stretch blow molding processcitations
- 2021Effect of PEEK degradation on commingled fabrics consolidation
- 2021Effect of melt spinning on the integrity of poly(ether ether ketone) for commingled yarn based composite preformscitations
- 2021Effect of poly(ether ether ketone) degradation on commingled fabrics consolidationcitations
- 2020Characterisation and modelling of the temperature and rate dependent shear behaviour of a non-consolidated powder impregnated fabric
- 2019Experimental characterization and modeling of the temperature and rate-dependent shear behaviour of powder-impregnated glass fiber/PA66 woven semipregscitations
- 2019Modelling strategy of IR lamps with integrated reflector used in the manufacturing processof thermoplastic composite tapes
- 2019Modeling of IR lamps with coated reflector used in the slurry powder impregnation process of composite tapescitations
- 2018Modelling the shape of an adhesive joint during assembly
- 2018The role of microcrystalline structure on optical scattering characteristics of semi-crystalline thermoplastics and the accuracy of numerical input for IR-heating modelingcitations
- 2017Towards a coupled heating-forming simulation of the thermoforming of thermoplastic compositescitations
- 2017A non-invasive experimental approach for surface temperature measurements on semi-crystalline thermoplasticscitations
- 2016Experimental analysis on the coupled effect between thermo-optical properties and microstructure of semi-crystalline thermoplasticscitations
- 2016Infrared welding process on composite: Effect of interdiffusion at the welding interfacecitations
- 2016Coupled heating-forming simulation of the thermoforming of thermoplastic composites
- 2016Infrared radiation applied to polymer processescitations
- 2016Identification of the temperature dependent relation between thermo-optical properties and morphology of semi-crystalline thermoplastics for thermoforming process
- 2016Effect of the developed temperature field on the molecular interdiffusion at the interface in infrared welding of polycarbonate compositescitations
- 2016Infrared Radiation applied to Blow Molding and thermoforming
- 2010Mold filling simulation of resin transfer molding combining BEM and level set method
- 2010Evolution de la microstructure et influence de la pollution atmosphérique lors de la mise en oeuvre d'une résine thermodurcissable
- 2010Numerical simulation of resin transfer molding using BEM and level set methodcitations
- 20092-D and 3-D void quantification with analyses in aeronautic composite laminates
- 2008Modeling of void growth mechanisms during the manufacturing of composite laminates
- 2007Behaviour model identification based on inverse modeling and using Optical Full Field Measurements (OFFM): application on rubber and steel
- 2007Optimizations of coat-hanger die, using constraint optimization algorithm and Taguchi method
- 2007Measurement of thermal contact resistance between the mold and the polymer for the stretch-blow molding processcitations
- 2006Optimization of 3D die extrusion using response surface method
- 2005A study of polymer-mold contact during injection molding cycle
- 2004Experimental and numerical infrared heating of thermoplastic sheet during thermoforming process
- 20043D finite element modeling of the blow molding process
- 2003Heat conditioning modelling of thermoforming process: comparison with experiments
- 2002Infrared Heating Modeling of Thermoplastic Sheets in Thermoforming Process
- 2002Advanced controls and measurements for the injection molding of a short fiber reinforced polymer
- 2001Comparison between a numerical model and an experimental approach of preform infrared radiative heating-recent results
- 2001Recent Issues In Preform Radiative Heating Modelling
- 2001Comparison Between a Numerical Model and an Experimental Approach of Preform Infrared Radiative Heating – Recent Results
- 2000Experimental study and numerical simulation of preform infrared radiative heating
- 2000Analysis of influent parameters during infrared radiative heating of PET preform
Places of action
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document
Optimizations of coat-hanger die, using constraint optimization algorithm and Taguchi method
Abstract
Polymer extrusion is one of the most important manufacturing methods used today. A flat die, is commonly used to extrude thin thermoplastics sheets. If the channel geometry in a flat die is not designed properly, the velocity at the die exit may be perturbed, which can affect the thickness across the width of the die. The ultimate goal of this work is to optimize the die channel geometry in a way that a uniform velocity distribution is obtained at the die exit. While optimizing the exit velocity distribution, we have coupled three-dimensional extrusion simulation software Rem3D((R)), with an automatic constraint optimization algorithm to control the maximum allowable pressure drop in the die; according to this constraint we can control the pressure in the die (decrease the pressure while minimizing the velocity dispersion across the die exit). For this purpose, we investigate the effect of the design variables in the objective and constraint function by using Taguchi method. In the second study we use the global response surface method with Kriging interpolation to optimize flat die geometry. Two optimization results are presented according to the imposed constraint on the pressure. The optimum is obtained with a very fast convergence (2 iterations). To respect the constraint while ensuring a homogeneous distribution of velocity, the results with a less severe constraint offers the best minimum.