In this work, we introduce a comprehensive machine-learning algorithm, namely, a multifidelity neural network (MFNN) architecture for data-driven constitutive metamodeling of complex fluids. The physics-based neural networks developed here are informed by the underlying rheological constitutive models through the synthetic generation of low-fidelity model-based data points. The performance of these rheologically informed algorithms is thoroughly investigated and compared against classical deep neural networks (DNNs). The MFNNs are found to recover the experimentally observed rheology of a multicomponent complex fluid consisting of several different colloidal particles, wormlike micelles, and other oil and aromatic particles. Moreover, the data-driven model is capable of successfully predicting the steady state shear viscosity of this fluid under a wide range of applied shear rates based on its constituting components. Building upon the demonstrated framework, we present the rheological predictions of a series of multicomponent complex fluids made by DNN and MFNN. We show that by incorporating the appropriate physical intuition into the neural network, the MFNN algorithms capture the role of experiment temperature, the salt concentration added to the mixture, as well as aging within and outside the range of training data parameters. This is made possible by leveraging an abundance of synthetic low-fidelity data that adhere to specific rheological models. In contrast, a purely data-driven DNN is consistently found to predict erroneous rheological behavior.
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Data-driven physics-informed constitutive metamodeling of complex fluids: A multifidelity neural network (MFNN) framework
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March 2021
Research Article|
February 11 2021
Data-driven physics-informed constitutive metamodeling of complex fluids: A multifidelity neural network (MFNN) framework
Mohammadamin Mahmoudabadbozchelou;
Mohammadamin Mahmoudabadbozchelou
1
Department of Mechanical and Industrial Engineering, Northeastern University
, Boston, Massachusetts 02115
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Marco Caggioni;
Marco Caggioni
2
Complex Fluid Microstructures, Procter & Gamble Company
, West Chester, Ohio 45202
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Setareh Shahsavari;
Setareh Shahsavari
2
Complex Fluid Microstructures, Procter & Gamble Company
, West Chester, Ohio 45202
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William H. Hartt;
William H. Hartt
2
Complex Fluid Microstructures, Procter & Gamble Company
, West Chester, Ohio 45202
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George Em Karniadakis;
George Em Karniadakis
3
Division of Applied Mathematics, Brown University
, Providence, Rhode Island 02912
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Safa Jamali
Safa Jamali
a)
1
Department of Mechanical and Industrial Engineering, Northeastern University
, Boston, Massachusetts 02115a)Author to whom correspondence should be addressed; electronic mail: [email protected]
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a)Author to whom correspondence should be addressed; electronic mail: [email protected]
J. Rheol. 65, 179–198 (2021)
Article history
Received:
August 11 2020
Accepted:
January 25 2021
Citation
Mohammadamin Mahmoudabadbozchelou, Marco Caggioni, Setareh Shahsavari, William H. Hartt, George Em Karniadakis, Safa Jamali; Data-driven physics-informed constitutive metamodeling of complex fluids: A multifidelity neural network (MFNN) framework. J. Rheol. 1 March 2021; 65 (2): 179–198. https://doi.org/10.1122/8.0000138
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