曹延昭教授学术报告

发布时间:2018年06月06日 作者:唐颖   消息来源:业务办    阅读次数:[]

曹延昭教授学术报告 报告题目: An optimal random interface problem and its application to interface designs in thin-film solar cells 报告人:曹延昭教授, Auburn University, USA 报告时间:2018-6-15 下午16:00-18:00 报告地点:数学楼一楼145报告厅 Abstract: Random rough textures can increase the absorbing efficiency of solar cells by trapping the optical light and increasing the optical path of photons, and in turn increases the effectiveness of solar panels. In this talk, I will briefly describe the mechanism and the mathematical modeling of thin film solar cells to start with. Then I will describe how to use mathematical shape control methods to optimally design of random rough surfaces in thin-film solar cells. Finally I will use numerical experiments to show that optimally obtained random textures yield an enormous absorption enhancement, and thus increase the solar panel's energy efficiency. In addition, I will show how the stochastic gradient descent method can significantly save the computing cost. 曹延昭教授简介: 1983 年本科毕业于吉林大学,1996 获美国弗吉尼亚理工学院博士学位。现任美国奥本大学教授及长白山讲座教授, 天元数学东北中心执行主任。主要从事偏微分方程数值解法, 积分方程数值解法及随机计算等领域的研究。学术兼职包括 SIAM Journal on Numerical Analysis 等学术期刊的编委。曾获奥本大学学院科研奖和SIAM 学生会议最佳论文奖。研究课题得到美国国家自然基金及美国空军科学研究室的长期资助。



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