Typical aircraft design consists of three phases, which can be denoted as conceptual, pre-design and detailed design phase. Typically, in the conceptual phase some 30 different concepts are designed and corresponding manufacturing concepts are regarded. Usually, very rough analysis tools are applied which lead to an accuracy of the weight estimation of at most 92 %. Based on such a data basis the decision for one of the concepts can be risky, especially if there are equally ranked concepts. If the pre-design phase should reveal that the concept chosen is not as promising as expected, stepping back to the conceptual phase is necessary, but very costly. A Concurrent/Integrated Engineering (CIE) process is proposed which comprises both, conceptual and pre-design phase. This leads to a decision making on a more solid data basis than presently. By use of advanced analysis tools, which are fast enough for conceptual design and at the same time accurate enough for pre-design purposes, time and costs can be reduced significantly as compared to state of the art analysis tools. Tools for thermal, stress, failure and damage tolerance analysis are introduced. Furthermore an information system for CIE (ISCIE) is discussed which will help to overcome problems with redundancy, consistency and actuality which frequently occur in today's product development processes.


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    Title :

    Advanced analysis tools for concurrent/integrated engineering of composite airframe structures


    Additional title:

    Moderne Analysemethoden für die zeitparallele und integrierte Entwicklung und Fertigung von Verbundstoff-Strukturbauteilen im Flugzeugbau


    Contributors:
    Rolfes, R. (author) / Baaran, J. (author) / Juhasz, J. (author) / Nolden, P. (author) / Tessmer, J. (author) / Töpfer, G. (author) / Zimmermann, R. (author)


    Publication date :

    2000


    Size :

    19 Seiten, 14 Bilder, 1 Tabelle, 20 Quellen


    Type of media :

    Conference paper


    Type of material :

    Print


    Language :

    English




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