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Civil-Comp Proceedings
ISSN 1759-3433 CCP: 88
PROCEEDINGS OF THE NINTH INTERNATIONAL CONFERENCE ON COMPUTATIONAL STRUCTURES TECHNOLOGY Edited by: B.H.V. Topping and M. Papadrakakis
Paper 171
Optimisation of the Computational Dimensioning Process with Consideration of Manufacturing Aspects K. Thielemann
IABG mbH, Ottobrunn, Germany K. Thielemann, "Optimisation of the Computational Dimensioning Process with Consideration of Manufacturing Aspects", in B.H.V. Topping, M. Papadrakakis, (Editors), "Proceedings of the Ninth International Conference on Computational Structures Technology", Civil-Comp Press, Stirlingshire, UK, Paper 171, 2008. doi:10.4203/ccp.88.171
Keywords: dimensioning process, structural optimisation, fibre-plastic composites, bionic aspects.
Summary
Structural optimisation is a logical extension to the currently common order of the
various steps in an engineering design assignment with corresponding cost
estimates. However, up to now the intuition and experience of the engineer were the
critical factors for the design produced. Nevertheless, before the design work
commences it would be desirable not only that information is available on the
distribution of material in the component required to conform to the planned loads
but also that a uniform basis for design and analyses is provided. This would make it
possible right at the beginning of the assignment to start with a component geometry
that is already load adapted for the component and hence is adequate to meet the
strength and stiffness requirements for the material and also provide a flexible and
adaptable model for further discussion.
In the total process of functional development it is necessary not only to improve the quality and of the product development process exclusively using new computational dimensioning processes but also through critical adaptations in the total process. It is extremely important to increase the proportion of the actual engineering work in the overall process while reducing significantly the proportion of the more routine tasks, possibly by making these more efficient. Engineering skills are often not fully utilised, particularly in the engineering support sector. Priority is often given to a rapid reaction as well as cost-effective working, which frequently leads to poor quality. In order to be able to make more time available for high-quality design work, all of the sub-processes must be continually reviewed and revised. On the basis of the bionic based optimisation of a fibre-plastic composite structure this process is presented.
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