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西安交通大学李义宝教授学术报告通知

放大字体缩小字体发布日期:2021-06-21 浏览次数:

题目Direct discretization method for phase field model on surfaces

报告人:李义宝 教授西安交通大学数学与统计学院

报告时间2021624下午4:00-6:00

地点:曲江校区理学院报告厅(教9-617

:In this talk, we will introduce simple and efficient direct discretization schemesfor solving the phase field model on a fix and evolving surfaces. By using a conservationlaw and transport formulae, we derive the phase field model on evolving surfaces. Anevolving surface is discretized using an unstructured triangular mesh. The discrete phase field modelis defined on the surface mesh and its dual surface polygonal tessellation. The evolvingtriangular surfaces are then realized by moving the surface nodes according to a given velocityfield. The proposed scheme is based on the Crank–Nicolson scheme and a linearly stabilizedsplitting scheme. The scheme is second orderaccurate, with respect to both space and time.Several numerical experiments are presented todemonstrate the performance and effectiveness of the proposed numerical scheme.

报告人简介:李义宝,西安交通大学教授,博导,国家青年人才支持计划入选者,西安交通大学青年拔尖计划入选者,20183月至20206月担任西安交通大学数学与统计学院应用数学系主任,20197月至今担任数学与统计学院党委副书记。主要从事多物理场的耦合机制、3D打印的图形处理和拓扑优化等相关研究。自2010年,在JCPCMAMEPR等期刊发表论文70篇(SCI论文64篇),学术总引用937次,H因子20, I10因子33,获得国家授权发明专利3项。

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