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Physics-Guided Deep Learning for Dynamics Forecasting- [electronic resource]
Physics-Guided Deep Learning for Dynamics Forecasting - [electronic resource]
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Physics-Guided Deep Learning for Dynamics Forecasting- [electronic resource]
자료유형  
 학위논문파일 국외
최종처리일시  
20240214100112
ISBN  
9798379762131
DDC  
004
저자명  
Wang, Rui.
서명/저자  
Physics-Guided Deep Learning for Dynamics Forecasting - [electronic resource]
발행사항  
[S.l.]: : University of California, San Diego., 2023
발행사항  
Ann Arbor : : ProQuest Dissertations & Theses,, 2023
형태사항  
1 online resource(138 p.)
주기사항  
Source: Dissertations Abstracts International, Volume: 85-01, Section: B.
주기사항  
Advisor: Yu, Rose.
학위논문주기  
Thesis (Ph.D.)--University of California, San Diego, 2023.
사용제한주기  
This item must not be sold to any third party vendors.
초록/해제  
요약Modeling 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.
일반주제명  
Computer science.
일반주제명  
Computer engineering.
키워드  
AI for Science
키워드  
Deep Learning
키워드  
Dynamical systems
키워드  
Machine learning
키워드  
Spatiotemporal modeling
키워드  
Symmetry
기타저자  
University of California, San Diego Computer Science and Engineering
기본자료저록  
Dissertations Abstracts International. 85-01B.
기본자료저록  
Dissertation Abstract International
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