Yue Yang – Peking University has recently been appointed as an editorial board member of the Journal of Fluid Mechanics. To celebrate, they participated in a Q&A with the Journal.
Yue Yang: I was initially fascinated by the movement of particles illuminated by a laser in turbulent flows during an undergraduate experimental project. Then, I was surprised that such seemingly unpredictable motion can be characterized by mathematical equations. Now, fluid mechanics is an exciting interdisciplinary field connecting math, physics, engineering, and information science.
JFM: Among current research, what papers do you most look forward to reading?
YY: I am very much looking forward to reading about new theories and methods in fluid research, especially those that have practical value and go beyond the existing boundaries of capability, such as applications of AI and quantum computing. Another area of interest is large-scale numerical simulations or high-precision measurements for engineering applications.
JFM: What are you currently working on that you’d like to tell us about?
YY: Our previous research on the vortex-surface field has revealed a deep link between vortex motion in fluid mechanics and modern mathematical physics theories. This facilitates the introduction of differential geometry and quantization into fluid mechanics. Despite the vast difference in scales, we have found some striking similarities between fluid and quantum descriptions. Although current quantum computing is still in its early stages, its exponentially large information-processing capacity offers more possibilities for simulating complex fluid flows. Moreover, it is easily integrated with AI, presenting many unexplored and valuable computational problems for further study.
JFM: In which areas of Fluid Mechanics research do you expect to see growth in the next ten to twenty years?
YY: Currently, many are eager to see the application of new methods like AI in fluid mechanics. However, due to the strongly nonlinear nature of fluid motion, existing general methods often struggle to be efficiently applied to fluid systems. Thus, they need some ingenious adaptations.
JFM: What are some of the challenges facing the field today?
YY: Turbulence is a classic problem over a century old. Studying it has been a testing ground for many new theories and methods, guiding research in related fields. In today’s information age, fluid mechanics faces the challenge of generating new concepts and techniques that can inspire or even lead developments in other fields. Moreover, AI technologies will also profoundly disrupt the traditional research paradigm. The tasks of identifying empirical models or developing mechanism descriptions for specific data can now be handled by AI algorithms. Perhaps in the future, generating high-quality data will become more important than analyzing data.
JFM: What drew you to Journal of Fluid Mechanics, or how will your experience and expertise impact the journal?
YY: For experts and students in fluid mechanics, JFM provides a rich collection of classic papers spanning various fields. They cover in-depth theoretical analyses, innovative experimental methods, and cutting-edge numerical simulations. Looking ahead, I would like to contribute to the journal in my areas of research interest, which include turbulence, vortex dynamics, combustion, and computational methods.
JFM: Why should authors publish in JFM?
YY: JFM is undoubtedly the flagship journal in fluid mechanics. For authors seeking in-depth theoretical analysis, original methods, and systematic research, JFM should be the top choice.
Journal of Fluid Mechanics is the leading international journal in the field and is essential reading for all those concerned with developments in fluid mechanics. It publishes authoritative articles covering theoretical, computational and experimental investigations of all aspects of the mechanics of fluids. Each issue contains papers on the fundamental aspects of fluid mechanics and its applications to other fields such as aeronautics, astrophysics, biology, chemical and mechanical engineering, hydraulics, materials, meteorology, oceanography, geology, acoustics and combustion.
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