2018第三届材料科学与工程国际会议
2018年7月25-27日 中国·成都
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截稿日期:2018年4月10日
   (延期至 2018年6月25日)
会议日期:2018年7月25-27日
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演讲嘉宾

演讲嘉宾信息如下:

Dr. Meng-Hsuan Chung, Professor
Department of Naval Architecture and Ocean Engineering, National Kaohsiung University of Science and Technology, Taiwan

Biography: Dr. Meng-Hsuan Chung is a Professor of the Department of Naval Architecture and Ocean Engineering at National Kaohsiung University of Science and Technology, where he has been since 2006. He received a B.S. and M.S. from National Taiwan University in 1987 and 1989 respectively. He received his Ph.D. in Applied Mechanics from the same university in 1995. From 1995 to 2006 he worked at National Center for High-performance Computing as an Associate Research Scientist (1995-2000), First International Computer Inc. as a Senior Engineer (2000), National Space Program Office as an Associate Researcher (2000-2001), and Sinotech Engineering Consultants, Inc. eventually as a Senior Research Scientist (2001-2006).
His research interests span various aspects of computational fluid dynamics, including development and application of numerical method. Much of his work has been on developing a robust and efficient cut-cell Cartesian grid method to handle problems with moving bodies and/or fluid-fluid interfaces. The method features the adaptive mesh refinement and high-resolution reconstruction of solid boundaries. The numerical method has been employed to study the underwater biomimetic (rowing, undulating, and flapping) propulsion, and the vortex induced vibration of a circular cylinder near a rigid wall, free surface, or another cylinder. As of 2017, he is the author of 14 journal papers, including 12 single-authored ones. His biography was selected into Marquis Who’s Who in the World each year during 2010-2018.

Topic: Adaptive Cartesian Cut-cell Simulation of Conjugate Heat Transfer on Arbitrarily Moving Solid Boundaries

Abstract: This study developed and validated a numerical method to handle two-dimensional mixed-convection conjugate heat transfer (CHT) over arbitrarily moving/deforming fluid-solid interfaces. We will base the development on the finite-volume adaptive Cartesian grid method with the cut cell approach developed and matured previously. Few studies in literature tackled the issue of CHT across moving/deforming interfaces, especially in the community of Cartesian grid methods. The present work benefited from the merit of the cut cell approach, adapting to various types of boundary condition in a unified manner, to implement the boundary conditions required of the CHT. The proposed numerical method has nominally second-order accuracy in both space and time, although the temporal accuracy could be locally reduced to first order for solution cells adjacent to moving fluid-solid interfaces. Some cases were simulated to demonstrate the validity and spatial order of accuracy of the numerical method.

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