MODELLING AND SIMULATION
”This situation is the same for the majority of industries, where companies must deliver new concepts to market quickly and in the face of growing product complexity”
ensures greater confidence in the early design direction,’ Dagg added. Siemens Digital Industries Software
has also integrated machine learning into its software interfaces, guiding specialist and non-specialist users through the design process, suggesting the next step based on past habits. ‘This has scratched the surface of the capabilities of AI in the simulation space, but it is an important step forward,’ Brown added. Additive manufacturing is another area
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driving the capabilities of simulation and modelling forward, according to Brown, who added: ‘Additive manufacturing is changing the way people think about design problems. We can now complete CAD at an industrial scale where we have batch quantities of thousands and iterate over different types of materials.’ This has led to further innovation at Siemens Digital Industries Software. ‘While topology and parameter optimisation tools are required to suggest additive geometries, they can also come up with wild shapes that work from a mathematical point of view but may not be feasible in the real world. So, we created Convergent Modelling,’ Brown explained. The company’s Convergent Modelling
technology provides a unified 3D modelling capability for two data formats with different geometric characteristics – facet and B-Rep data. Facet data is characterised by triangular meshes which approximate surfaces and tend to generate larger data sets for applications including digital mock-up, animation and
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gaming. B-Rep data is characterised by mathematically defined surfaces that represent solid volumes using smaller data sets. Applications that use B-Rep data include 3D modelling for engineering and manufacturing. A proliferation of facet data in high
growth areas like 3D scanning, topology optimisation and 3D printing means that design engineers often need to move facet data into 3D modelling systems that were designed for B-Rep data. Convergent Modeling Technology enables 3D product modelling on both data sources in a single environment while eliminating the complexity, error and delay of converting between the two. Brown added: ‘We are trying to get the models to model the design intent. This is blurring the lines between the data sources and negating the need for reverse engineering.’
Summer 2020 Scientific Computing World 29
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