An Improvement of the Concept Design Analysis Method by the Use of the Avoidance Function

Abstract:

Avoiding disasters due to resonance is a major concern in construction projects such as buildings, bridges and pipelines. This paper uses the Concept Design Analysis (CODA) method that is capable of supporting the described Value-Driven Design (VDD) methodology. While VDD promotes the use of a system wide ‘value’ function during conceptual design, the CODA method allows mapping customer needs into engineering characteristics in order to calculate a single normalized design metric. The CODA method employs three different merit functions: maximizing (more is better), minimizing (less is better), and optimizing (target is better). This paper proposes a new merit function called avoidance function that allows excluding a range of engineering characteristics, e.g. avoiding a range of resonant frequencies. An example of a simple CODA model for a bicycle wheel design selection with the proposed the avoidance function is presented.

• Periodical: Applied Mechanics and Materials (Volume 756)
• Pages: 382-388
• DOI: https://doi.org/10.4028/www.scientific.net/AMM.756.382
• Online since: April 2015
• Authors: Alexander A. Khamukhin*, Murat H. Eres
• Keywords: Avoidance Function, CODA Method, Customer Needs, Design Merit, Design Optimization, Merit Function, Value-Driven Design

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