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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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Spröwitz, Tom
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Publications (5/5 displayed)
- 2020Development, Testing and In-Orbit Verification of a Large CFRP Helical Antenna on the AISat Missioncitations
- 2018DEVELOPMENT AND IN-ORBIT VERIFICATION OF LARGE CFRP HELICAL HIGHGAIN ANTENNA ON THE AISAT MISSION
- 2016DESIGN, ANALYSIS AND TESTING OF THE ADEO PASSIVE DE-ORBIT SUBSYSTEM DEMONSTRATOR
- 2012Experimental identification of process parameters inducing warpage of autoclave-processed CFRP partscitations
- 2011A semi-analytical simulation strategy and its application to warpage of autoclave-processed CFRP partscitations
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document
A semi-analytical simulation strategy and its application to warpage of autoclave-processed CFRP parts
Abstract
The manufacturing of composite structures is accompanied by fabrication induced deformations. Those deformations are undesirable and lead to transgression of geometric tolerances in the finished parts. In order to get the part within aspired dimensional tolerances, geometrical compensation of the tool is necessary. This often iterative conducted tooling-rework is commonly time consuming and costly. This paper presents an shell element based. semi-analytical simulation approach focusing on warpage deformations due to tool part interaction, in order to account for manufacturing induced deformations within the tool design process. Deviation measurements on test specimen level serve as inputs for the calculation of equivalent coefficients of thermal expansion according to the proposed analytical model. Thus, ‘warpage properties’ of different prepreg – tool–material combinations are determined. The use and the practicability of the developed approach is demonstrated by means of the calculation of a warpage compensated tool surface.