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【学术报告】2021年8月19日赵进博士举办学术讲座

作者: 时间:2021-08-16 点击量:

报告人:赵进(北京大学)

邀请人:柴振华

报告时间:2021年8月19日(星期四)15:00-17:00

报告地点:腾讯会议ID:467 898 364  密码:0819

报告题目:Vector-BGK models based numerical methods and boundary treatments for the incompressible Navier-Stokes equations

报告摘要:We will talk a vectorial LBM and the corresponding boundary treatments for the incompressible Navier-Stokes equations. To begin with, we introduce the discrete-velocity vector-BGK models and give the related models based on numerical methods. Then, we propose a vector-type bounce-back boundary scheme for the vectorial LBM, and analyze the numerical stability of the new boundary scheme by using a subtle structural property of the models. Furthermore, we base on the new scheme and devise a family of parameterized second-order boundary schemes with accuracy independent of the location of the boundary. The accuracy and stability of the boundary schemes above are validated via numerical experiments with both straight and curved boundaries.

报告人简介:赵进,中国工程物理研究院博士,北京大学数学科学学院博士后,曾获中国博士后面上资助一等获得者。研究方向主要是数值方法,数学建模,机器学习等,包括将机器学习应用到偏微分方程数值解和数学建模。


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