## Formal design methods for CAD: proceedings of the IFIP TC5/WG5.2 Workshop on Formal Design Methods for CAD, Tallinn, Estonia, 16-19 June 194Formal design methods provide the basis for the non-graphical use of computer-aided design. This volume represents the cutting edge of international research in the area, where artificial intelligence and cognitive science paradigms are providing a renewed impetus for exploration and development. The sixteen chapters are grouped into five parts: formal representations in design; shape grammars in design; design grammars; formalised design processes; and exploration in design. The volume will provide a valuable source of information for all those connected with this field. |

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Page 116

The new

, •, ®} {t,s,I}+ t is the translation to the position (1,0), s is the scaling of (—1, 1), and

...

The new

**structure**derived by this process is called a derivation of the original**structure**of the grammar. The following is a very simple**structure**grammar. G6: {>, •, ®} {t,s,I}+ t is the translation to the position (1,0), s is the scaling of (—1, 1), and

...

Page 316

of which are those variables which define

behaviour and those variables which define function. The variables used to

describe

...

of which are those variables which define

**structure**, those variables which definebehaviour and those variables which define function. The variables used to

describe

**structure**are also often called design or decision variables, whilst those...

Page 355

A design description represents the artifact 's elements and their relationships,

i.e.

which

our ...

A design description represents the artifact 's elements and their relationships,

i.e.

**structure**(S). Computer-aided drafting systems have become the means bywhich

**structure**is transformed into a design description. This process maps ontoour ...

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### Contents

A tutorial introduction to grammatical programming | 73 |

Geometric design with boundary solid grammars | 85 |

vi | 89 |

Copyright | |

14 other sections not shown

### Common terms and phrases

abduction abstraction algorithm application Artificial Intelligence aspects attribute models b-graph behaviour boundary solid grammar Cagan Carnegie Mellon University complex components computational computer-aided design concepts configuration constraint network context context-free context-free grammars defined definition derived describe description formalisms design description design knowledge design problems design process design space descriptions discussion domain e(corridor elements emergence Engineering Design entities Environment and Planning Euler operations evaluation example exploration external finite set formal methods formal representations formalisation function Galileo4 genetic algorithms geometric Gero graph gripping GSMs Heisserman IFIP ill-structured initial instantiated knapsack problem label language logic nodes objects operations optimization parameters physical principles post interpretation prototypes relations represent rewrite rule schema semantics shape annealing shape grammars shape rules simulated annealing solution principles solving specification Stiny structure symbols syntax synthesis theory tion tool topology truss Tyugu University of Sydney variables vocabulary workpiece YMIR