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Physics-Guided Deep Learning for Dyn...

Wang, Rui.

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Physics-Guided Deep Learning for Dynamics Forecasting.

Record Type:	Electronic resources : Monograph/item
Title/Author:	Physics-Guided Deep Learning for Dynamics Forecasting./
Author:	Wang, Rui.
Published:	Ann Arbor : ProQuest Dissertations & Theses, : 2023,
Description:	138 p.
Notes:	Source: Dissertations Abstracts International, Volume: 85-01, Section: B.
Contained By:	Dissertations Abstracts International85-01B.
Subject:	Computer science. -
Online resource:	https://pqdd.sinica.edu.tw/twdaoapp/servlet/advanced?query=30421717
ISBN:	9798379762131

Physics-Guided Deep Learning for Dynamics Forecasting.
Wang, Rui.

Physics-Guided Deep Learning for Dynamics Forecasting. - Ann Arbor : ProQuest Dissertations & Theses, 2023 - 138 p.

Source: Dissertations Abstracts International, Volume: 85-01, Section: B.

Thesis (Ph.D.)--University of California, San Diego, 2023.

Modeling complex dynamics is a fundamental task in science, such as turbulence modeling and weather forecasting. Physics-based models, which rely on mathematical principles, can accurately predict dynamics but can be computationally intensive and not fully known. Deep Learning provides efficient alternatives to simulating dynamics but it lacks physical consistency and struggles with generalization. Thus, there is a growing need for integrating prior physics knowledge with deep learning to take the best of both types of approaches to better solve scientific problems. Thus, the study of physics-guided DL emerged and has gained great progress. In this thesis, we described the physics-guide DL for dynamics forecasting and presented several approaches to improving the physical consistency, accuracy, and generalization of DL models for dynamics forecasting. The approaches include incorporating prior physical knowledge into the design of model architecture and loss functions for improved physical consistency and accuracy, leveraging model-based meta-learning for improved generalization across heterogeneous domains, simplifying nonlinear dynamics with Koopman theory for improved generalization over temporal distributional shifts, and incorporating symmetries into deep dynamics models for improved generalization across relevant symmetry groups and consistency with conservation laws. In the end, we also summarize the challenges in this field and discuss the emerging opportunities for future research.

ISBN: 9798379762131Subjects--Topical Terms:

523869
Computer science.
Subjects--Index Terms:

AI for Science

Physics-Guided Deep Learning for Dynamics Forecasting.
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245 1 0 $a Physics-Guided Deep Learning for Dynamics Forecasting.
260 1 $a Ann Arbor : $b ProQuest Dissertations & Theses, $c 2023
300 $a 138 p.
500 $a Source: Dissertations Abstracts International, Volume: 85-01, Section: B.
500 $a Advisor: Yu, Rose.
502 $a Thesis (Ph.D.)--University of California, San Diego, 2023.
520 $a Modeling complex dynamics is a fundamental task in science, such as turbulence modeling and weather forecasting. Physics-based models, which rely on mathematical principles, can accurately predict dynamics but can be computationally intensive and not fully known. Deep Learning provides efficient alternatives to simulating dynamics but it lacks physical consistency and struggles with generalization. Thus, there is a growing need for integrating prior physics knowledge with deep learning to take the best of both types of approaches to better solve scientific problems. Thus, the study of physics-guided DL emerged and has gained great progress. In this thesis, we described the physics-guide DL for dynamics forecasting and presented several approaches to improving the physical consistency, accuracy, and generalization of DL models for dynamics forecasting. The approaches include incorporating prior physical knowledge into the design of model architecture and loss functions for improved physical consistency and accuracy, leveraging model-based meta-learning for improved generalization across heterogeneous domains, simplifying nonlinear dynamics with Koopman theory for improved generalization over temporal distributional shifts, and incorporating symmetries into deep dynamics models for improved generalization across relevant symmetry groups and consistency with conservation laws. In the end, we also summarize the challenges in this field and discuss the emerging opportunities for future research.
590 $a School code: 0033.
650 4 $a Computer science. $3 523869
650 4 $a Computer engineering. $3 621879
653 $a AI for Science
653 $a Deep Learning
653 $a Dynamical systems
653 $a Machine learning
653 $a Spatiotemporal modeling
653 $a Symmetry
690 $a 0800
690 $a 0984
690 $a 0464
710 2 $a University of California, San Diego. $b Computer Science and Engineering. $3 1018473
773 0 $t Dissertations Abstracts International $g 85-01B.
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791 $a Ph.D.
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793 $a English
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