WEMACS – Detailed Weights and Manufacturing Costs – is a software application for the estimation of detailed weights and manufacturing costs of various structural components of an aircraft, developed to support the Clean Sky Green Regional Aircraft development process in the preliminary design phase, and to enable the achievement of the pollution and noise reduction targets for the regional aircraft entering the market in the coming decades.

WEMACS software application provides a detailed weight breakdown based on conventional structural technologies for the fuselage, wing, horizontal and vertical stabilizing surfaces and pylons, from higher-level variables concerning mainly aircraft geometry and performance. The tool was also designed to consider new materials, technologies and design solutions for the weight estimation, while also estimating the cost for each component.

To promote flexibility and reusability in other projects, as well as to allow future evolution/expansion and updates, the WEMACS tool was designed and developed in a highly modular fashion. This approach and transparent interface also mean that the WEMACS architecture is easily integrated, as a whole or partially, into more complex aircraft design tools, namely in Multidisciplinary Design and Optimization (MDO) environments.

WEMACS is a Clean Sky Joint Technology Initiative research project in collaboration between Spin.Works, GMVIS SKYSOFT, S.A., Delft University of Technology and KE-works B.V. The research leading to these results has received funding from the European Community’s Seventh Framework Programme (FP7/2007-2013) for the Clean Sky Joint Technology Initiative under grant agreement nº CS-GA-2009-255877.

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