Computational Fluid Dynamics 2

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课程主页: https://www.udemy.com/course/computational-fluid-dynamics-2/

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课程简介

**计算流体动力学 2 (Coursera)** 本课程是 **计算流体动力学导论** 的进阶课程。在第一门课程的基础上,本课程将二维、不可压缩 Navier-Stokes 求解器的能力扩展到包括: * **非定常流动能力** * **対流项的二阶和混合插值** * **压力、对称性和周期性边界条件** * **网格聚类** * **能量方程** * **其他适宜的主题** 所有代码均使用 **Fortran90** 编写,并可供下载,课程讲义亦可下载。课程完成后,学员将能够开发自己的代码或修改现有代码来解决不同复杂程度的问题。为获得最大收益,建议学员完成第一门课程或具备同等背景知识。 **新近添加内容:** * **基于有限差分的 Poisson 求解器**,采用红/黑迭代方案和 OpenMP 进行并行化。 * **不可压缩 Navier-Stokes 方程的有限体积法的共址网格方法**: 在共址变量方法中,速度控制体积不交错,而是与标量控制体积重合。尽管本课程将方法限制在结构化笛卡尔网格上,但大多数商业 CFD 求解器都采用共址变量方法,在非结构化网格上使用笛卡尔速度分量。 * **两方程 k-epsilon 湍流模型(使用壁面律)**。 本课程允许学员根据需要选择性地观看部分章节/讲座。

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This course is a follow-up to my Introduction to Computational Fluid Dynamics course. In this course we extend the capabilities of the two-dimensional, incompressible Navier-Stokes solver developed in the first course to include enhancements such as unsteady flow capabilities, second-order and blended interpolations for the convection terms, pressure, symmetry, and periodic boundary conditions, mesh clustering, the energy equation, and perhaps other topics as deemed appropriate.All codes are written in Fortran90 and are available for download, as are the course notes. Upon successful completion of the course students should be able to develop their own codes or modify the available codes to solve problems of varying complexity. To get the maximum benefit from this course, I recommend that students complete the first course, or have an equivalent background.Recently added the description of a finite-difference-based Poisson solver using red/black iteration scheme with OpenMP for parallelization.Recently added a collocated grid approach to the finite volume formulation of the incompressible Navier-Stokes equations. In the collocated variable approach, the velocity control volumes are not staggered, but are coincident with the scalar control volumes. Although we limit our approach to structured Cartesian meshes, most commercial CFD solvers utilize a collocated variable approach using Cartesian velocity components on unstructured grids.A new section on two-equation k-epsilon turbulence modelling using wall functions has been added.The course is such that one can generally pick and choose which sections/lectures to watch.

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