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deGenerative Design


BENCHMARK July 2020 Degenerative Design


The July 2020 issue of the NAFEMS Benchmark Magazine. In this issue we explore the topic of Generative Design.

Generative Design – State your objective, define your constraints, specify the number of design options, press GO and wait for the computer code to provide you with feasible design options. It is easy to see why the generative design vision has garnered interest over the last five years.

We are all becoming used to allowing algorithms to make decisions for us and it would be foolish not to consider how the same assistance can be utilised to improve the engineering design process. So what can generative design offer the simulation community?

We know that marketing departments are not going to be shy about presenting existing capabilities as part of the generative design tool kit. The cynics amongst us will look at generative design as another way of packaging up existing topology optimisation capabilities. These tools have become more relevant over recent years due to the rollout of additive manufacturing capabilities which can readily manufacture the biological designs that often evolve out of these toolkits and a generative design philosophy gives these tools another shot in the arm.

For generative design to truly offer something new, it must look at integrating both parametric and topology optimisation approaches when developing a design. But is there more, leading companies have been storing their simulation data for decades and have amassed huge databases of simulation results. As well as providing the “who, why, when, where” audit trail, these datasets can be used to train Machine Learning algorithms. This allows decades of hard wrought experience to be harnessed when developing future designs. Perhaps generative design is the glue that can bring big data and mature design optimisation techniques together?

If the generative design toolkit proves effective, then the entire design process may need to evolve. The current iterative process may be slow, but it allows the engineer to develop a physical understanding of a design problem. It is this understanding that allows intuitive leaps to be taken. I suspect that if these tools show their value we will be looking at them as a further weapon in the designer’s arsenal and not a replacement for the designer themselves.

In this issue

  • Generative Design is Doomed to Fail
  • Human-Inspired Generative Design
  • Applying Generative Design - the Trainers’ Perspective
  • The Response to COVID-19
  • Vendor Viewpoint - Generative Design
  • The Simulation Data Management Solution Selection Process
  • Closing the Loop on Generative Design and Additive Manufacturing
  • Technology Guide - Material Characterisation for Metal Forming Simulation
  • VMAP - Enabling Interoperability in Integrated CAE Simulation Workflows


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Benchmark July 2020


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