Download e-book for kindle: Advances in Formal Design Methods for CAD: Proceedings of by Mary Lou Maher, Josiah Poon, Sylvie Boulanger (auth.), John

By Mary Lou Maher, Josiah Poon, Sylvie Boulanger (auth.), John S. Gero, Fay Sudweeks (eds.)

ISBN-10: 0387349251

ISBN-13: 9780387349251

ISBN-10: 1475744285

ISBN-13: 9781475744286

Designing is without doubt one of the most important of human acts. strangely, on condition that designing has been happening for plenty of millenia, our figuring out of the strategies of designing is remarkably restricted. lately, layout equipment were formalised no longer as humano-centred approaches yet as approaches in a position to laptop implementation with the aim of augmenting human designers. This quantity includes contributions which conceal layout tools in line with evolutionary structures, generative procedures, assessment equipment and research tools. It provides the state-of-the-art in formal layout tools for laptop aided design.

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Additional resources for Advances in Formal Design Methods for CAD: Proceedings of the IFIP WG5.2 Workshop on Formal Design Methods for Computer-Aided Design, June 1995

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If generation 0 is not filtered by Fi, the evolution converges quickly to the focus functions held by strong individuals of the initial population. This suggests that the random number selected for a particular run can be very influential on which functions dominate at convergence. If generation 0 is filtered by Fi, this tendency is present but not as strong. For instance, applying the initial Fi may reduce the overall Fg value from generation o to generation 1, but at least, finit has a better probability of being favoured although its value at generation 1 is low.

However, similar patterns of exploration emerge. The mapping approach used has a non-conclusive effect on the final results. Scaling possible values of one feature from 7 values to 32 values, while retaining the same minimum and maximum values, has caused an important shift favouring the evaluation function which uses that modified feature. However, no clear pattern has surfaced yet. FORMALISING DESIGN EXPLORATION AS CO-EVOLUTION 25 The parameters which need to be analysed more carefully are: the sensitivity of threshold values used on Fi to influence the initial population; the absence or presence of fO as a problem evaluation function which co-exists with solution evaluation functions such as f2, f3 and f4 ; the interdependence of evaluation functions in terms of their maximum and obtainable values; the ease with which designs can attain high evaluation values; the random number applied to a run; the bias and granularity applied to map a parameter's symbolic values unto a scale of 32.

1990, Design prototypes: a knowledge representation schema for design, AI Magazine, 11(4), 26-36. Gero, J. S. ): 1985, Design Optimization, Academic Press, New York. Gero, J. S. : 1995, Emergence of shape semantics of architectural shapes, Technical Report, Key Centre of Design Computing, University of Sydney, Australia. Gero, J. S. : 1995, An exploration-based evolutionary model of a generative design process, Microcomputers in Civil Engineering (to appear). Gero, J. , Louis, S. : 1994, Evolutionary learning of novel grammars for design improvement, AIEDAM, 8(2), 83-94.

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Advances in Formal Design Methods for CAD: Proceedings of the IFIP WG5.2 Workshop on Formal Design Methods for Computer-Aided Design, June 1995 by Mary Lou Maher, Josiah Poon, Sylvie Boulanger (auth.), John S. Gero, Fay Sudweeks (eds.)


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