Constructing structure-preserving schemes via Lagrange multiplier approach
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:程青(同济大学)
:2023-02-24 14:30
:厦大海韵园实验楼105报告厅
报告人:程青(同济大学)
时 间:2023年2月24日下午14:30-16:00
地 点:厦大海韵园实验楼105报告厅
内容摘要: In the talk, I will introduce a new Lagrange multiplier approach to construct efficient and accurate structure-preserving schemes for a class of semi-linear and quasi-linear parabolic equations. To be more specific, I will introduce how to construct positivity/bound-preserving, length-preserving, energy-dissipative schemes for a large class of PDEs. I will establish stability results under a general setting, and carry out an error analysis for second-order structure-preserving schemes. Finally, I will apply our approach to several typical PDEs which preserve structures described above. Some numerical results will be presented to validate our approach.
个人简介:
程青博士,2023年入职同济大学,2018 年博士毕业于厦门大学,2019 年至 2021 年在美国伊利诺伊理 工大学任职访问助理教授,2021 年至今在美国普渡大学任职访问助理教授,在
SIAM J.Numer.Anal., SIAM J.Sci.Comput., Comput.Methods.Appl.Mech.Eng., J.Comput. Phys.等国际著名杂志发表论文十余篇。其中发表于 SIAM J.Sci.Comput. 和 J.Sci.Comput.两篇论文入选 ESI 高被引文章。论文的引用者包括多位美国科学院院士,比如 Stanely Osher 教授,以及多位国际数学家大会报告人,SIAM fellow,AMS fellow。由于这些工作,程青博士多次受邀在 SIAM 年会,A3(China-Japan-Korea)Workshop 等国际会议、研讨会做邀请报告。程青博士长期担任 SIAM J.Math.Anal.; J.Comput.Phys.; Commun.Comput.Phys.; J.Sci.Comput.等杂志的审稿人。
联系人:毛志平
