Introducing the New Abaqus Universal Material Subroutine for Soft Matter Systems

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Soft materials play an integral part in many aspects of modern life including autonomy, sustainability, and human health, and their accurate modeling is critical to understand their unique properties and functions. Today’s finite element analysis packages offer large libraries of soft matter models to choose from. However, the selecting the best model is limited to expert specialists, prone to user bias, and vulnerable to human error. In the age of artificial intelligence and machine learning, this creates a unique opportunity: What if we could take the human out of the loop and automate the process of model selection? In this Tech Talk, we show how to fully automate the process of material modeling: We autonomously discover the best model and parameters from experimental data, encode all possible discoverable models into a single material subroutine, and seamlessly integrate this universal material subroutine into a finite element analysis. This strategy allows us to explore of a large parameter space of models and provides unprecedented insights into soft matter systems that are out of reach with conventional theoretical and numerical approaches today. More importantly, it will democratize material modelling, and make it accessible to a more inclusive and diverse community to accelerate scientific discovery and innovation. We demonstrate the versatility of the universal material subroutine for a variety of living system including the brain, skin, arteries, and the heart. With the new Abaqus universal material subroutine, everyone-not just a small group of expert specialists-can now perform reliable engineering analysis of soft matter systems including artificial organs, stretchable electronics, soft robotics, smart textiles, and even artificial meat.