Development of a theoretical cost model for advanced composite fabrication

Timothy Gutowski, David Hoult, Greg Dillon, Ein Teck Neoh, Stuart Muter, Eric Kim, Mawuli Tse

Research output: Contribution to journalArticlepeer-review

58 Scopus citations

Abstract

This paper outlines the development of a theoretical approach to the estimation of processing time for the fabrication of advanced composite parts. The model, termed 'first-order model', assumes that all subprocess steps can be modelled as having first-order dynamics. The steps are then linearized and summed according to their 'extensive' variables. Part complexity is handled using an information theoretic approach. The result for hand lay-up is a simple linear equation which compares favourably with experiments and with other very detailed cost estimation models. The model is very general, and appears applicable to all additive (composites) as well as subtractive (machining) processes.

Original languageEnglish (US)
Pages (from-to)231-239
Number of pages9
JournalComposites Manufacturing
Volume5
Issue number4
DOIs
StatePublished - Dec 1994

All Science Journal Classification (ASJC) codes

  • Engineering(all)

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