Issues concerned with the spatial optimisation of shapes
Intelligent Manufacturing involves the use of enabling sciences to augment the manufacturing process. Nesting is a process where optimization of available materials can lead to millions of dollars in savings when the cost of the substrate is high. The paper addresses key issues when optimising shape placement on expensive parent substrates such as carbon fibre or leather. The outcomes attained, method of part and plate representation, objective function definition, overlap calculation and optimization dependence of initial parts organization in the Simulated Annealing optimization process are presented.
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Because of the nature of the problem the first thing that comes in mind from your application is Genetic Algorithms. You do say that you have tried GA and you finaly decided that Simulated Annealing should be prefered. Is there any justification for this ? Can you provide some comparative measures showing how much better SA is compared to GA ? Is this a problem dependant issue or is there an inherent problem in the choice of parameters/Objective function on each case ?