Robust design from systems physics.

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ID: 117419
2020
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Abstract
A crucial challenge in engineering modern, integrated systems is to produce robust designs. However, quantifying the robustness of a design is less straightforward than quantifying the robustness of products. For products, in particular engineering materials, intuitive, plain language terms of strong versus weak and brittle versus ductile take on precise, quantitative meaning in terms of stress-strain relationships. Here, we show that a "systems physics" framing of integrated system design produces stress-strain relationships in design space. From these stress-strain relationships, we find that both the mathematical and intuitive notions of strong versus weak and brittle versus directly characterize the robustness of designs. We use this to show that the relative robustness of designs against changes in problem objectives has a simple graphical representation. This graphical representation, and its underlying stress-strain foundation, provide new metrics that can be applied to classes of designs to assess robustness from feature- to system-level.
Reference Key
klishin2020robustscientific Use this key to autocite in the manuscript while using SciMatic Manuscript Manager or Thesis Manager
Authors Klishin, Andrei A;Kirkley, Alec;Singer, David J;van Anders, Greg;
Journal Scientific reports
Year 2020
DOI
10.1038/s41598-020-70980-5
URL
Keywords
assessment creativity divergent thinking word association semantic distance

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