EvoDevo: Bioinspired Generative Design via Evolutionary Graph-Based Development

Automated generative design is increasingly used across engineering disciplines to accelerate innovation and reduce costs. Generative design offers the prospect of simplifying manual design tasks by exploring the efficacy of solutions automatically. However, existing generative design frameworks rel...

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Vydáno v:Algorithms Ročník 18; číslo 8; s. 467
Hlavní autoři: Tahernezhad-Javazm, Farajollah, Colligan, Andrew, Friel, Imelda, Hickinbotham, Simon J., Goodall, Paul, Buchanan, Edgar, Price, Mark, Robinson, Trevor, Tyrrell, Andy M.
Médium: Journal Article
Jazyk:angličtina
Vydáno: Basel MDPI AG 01.08.2025
Témata:
Algorithms
Apexes
Automation
Bridges
Design
Design engineering
evolutionary algorithm
evolutionary development
gene regulatory network
generative design
Genetic algorithms
Genomes
Genotype & phenotype
Geometry
graph neural network
Graph neural networks
Graph theory
Innovations
Neural networks
neuroevolution
Optimization
Search algorithms
Trussed structures
ISSN:1999-4893, 1999-4893
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Shrnutí:Automated generative design is increasingly used across engineering disciplines to accelerate innovation and reduce costs. Generative design offers the prospect of simplifying manual design tasks by exploring the efficacy of solutions automatically. However, existing generative design frameworks rely heavily on expensive optimisation procedures and often produce customised solutions, lacking reusable generative rules that transfer across different problems. This work presents a bioinspired generative design algorithm utilising the concept of evolutionary development (EvoDevo). This evolves a set of developmental rules that can be applied to different engineering problems to rapidly develop designs without the need to run full optimisation procedures. In this approach, an initial design is decomposed into simple entities called cells, which independently control their local growth over a development cycle. In biology, the growth of cells is governed by a gene regulatory network (GRN), but there is no single widely accepted model for this in artificial systems. The GRN responds to the state of the cell induced by external stimuli in its environment, which, in this application, is the loading regime on a bridge truss structure (but can be generalised to any engineering structure). Two GRN models are investigated: graph neural network (GNN) and graph-based Cartesian genetic programming (CGP) models. Both GRN models are evolved using a novel genetic search algorithm for parameter search, which can be re-used for other design problems. It is revealed that the CGP-based method produces results similar to those obtained using the GNN-based methods while offering more interpretability. In this work, it is shown that this EvoDevo approach is able to produce near-optimal truss structures via growth mechanisms such as moving vertices or changing edge features. The technique can be set up to provide design automation for a range of engineering design tasks.
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ISSN:1999-4893
1999-4893
DOI:10.3390/a18080467