报告题目
：
Time-domain mathematical modeling, finite element simulation, and design in complex anisotropic electromagnetic metamaterials
报告时间：
2024
年
9
月
14
日上午
10:30-11:30
报告地点：龙洞行政楼
610
报告厅
报 告 人：杨伟教授 湘潭大学
邀 请 人：况阳
报告摘要
:
In this talk, we present a time-domain mathematical model, finite element methods, and related numerical theories for the electromagnetic propagation problem in three-dimensional anisotropic metamaterials. The model is capable of simultaneously characterizing the linear and nonlinear properties of materials. In terms of linear properties, we employ a designed finite element method to create five types of hyperbolic metamaterials within the 50-400nm wavelength range, and numerically verify their optical performance across a wide frequency spectrum. Additionally, by combining linear hyperbolic metamaterials with nonlinear materials, we simulate and design a nonlinear hyperbolic metamaterial, effectively enhancing the third harmonic generation of electromagnetic materials using hyperbolic materials.
报告人简介：杨伟，教授，博士生导师，现任湘潭大学教务处副处长。长期从事研究超材料中电磁波传播问题的建模与数值方 法，在国际SCI期刊发表论文60余篇，其中包括计算数学领域权威期刊 SIAM J. Numer. Anal., SIAM J. Sci. Comput., SIAM J. Appl. Math. ,Math. Comput., J. Comput. Phys.等，SCI他引600余次。主持国家自然科学基金3项，国家重点研发计划项目课题，湖南省杰出青年基金项目，XXX 项目子课题等项目。2024年获湖南省自然科学二等奖（排名第一）、2022年入选湖南省“芙蓉学者奖励计划”青年学者、2016年获第三届中国工业与应用数学学会优秀青年学者奖。
