WEBVTT 00:00.320 --> 00:01.370 Hello everyone! 00:01.370 --> 00:05.120 Welcome to the CFD using Openfoam Beginner to Intermediate course. 00:05.120 --> 00:08.720 In this video we will be looking through the course content. 00:08.870 --> 00:14.510 I have split the entire course into ten separate sections and we will see what will be covered in each 00:14.510 --> 00:15.200 section. 00:15.650 --> 00:21.530 So in the class one we will be seeing some introduction to openfoam, how to install it and how to set 00:21.530 --> 00:23.240 up the software. 00:23.600 --> 00:31.070 And we will also be seeing some basic file structure on how Openfoam is built and basic commands, which 00:31.070 --> 00:34.730 will be useful in running Openfoam simulations. 00:34.760 --> 00:37.370 We will just see the basic commands in the first class. 00:37.370 --> 00:43.040 We will be learning more commands as the course progresses, but these basic commands will be essential 00:43.040 --> 00:44.120 to get started. 00:44.990 --> 00:45.530 The class two. 00:45.530 --> 00:51.140 We will be seeing how to prepare a geometry and generate mesh with a tool called Block Mesh. 00:51.140 --> 00:57.390 We will be seeing how to set up the boundary and initial condition for a case in Openfoam. 00:57.660 --> 01:02.790 We will also look through some solvers and how to run simulation using Openfoam. 01:03.060 --> 01:08.130 After running the simulation, we will be using a tool called Paraview to post-process the results. 01:08.520 --> 01:15.420 In the class three, we will be doing snappy x mesh, so we'll be using block mesh as a dependent tool 01:15.420 --> 01:16.770 for snappy x mesh. 01:17.610 --> 01:22.830 We will get introduced to snappy hex mesh and we will be creating complex meshes using it. 01:22.860 --> 01:28.800 We will also learn how to use the check mesh command to check quality of the meshes in the class. 01:28.800 --> 01:33.570 For we will get introduced to incompressible, compressible and multiphase solvers. 01:33.570 --> 01:39.030 So we will go through the basics of everything and uh, look at some examples. 01:39.480 --> 01:43.530 After looking at that we will be running a lid driven cavity case. 01:43.530 --> 01:49.270 This will be a hands on tutorial, and we will also introduce to the case study of lid driven cavity. 01:50.020 --> 01:56.650 In the section five, we will be seeing the types of boundary condition and how to implement them in 01:56.650 --> 01:57.490 Openfoam. 01:57.490 --> 02:00.970 How to do a turbulence modeling in Openfoam. 02:00.970 --> 02:03.370 And we will get the introduction of it. 02:03.370 --> 02:08.320 And after that we will be setting up and running our own Rans simulation, which is Reynolds averaged 02:08.320 --> 02:09.700 Navier-Stokes simulation. 02:10.240 --> 02:17.080 We will be looking at how K-epsilon, uh, turbulence model is made, how K-omega SST model is made, 02:17.080 --> 02:18.820 or how to run a simple laminar case. 02:18.820 --> 02:20.650 So we will be seeing all those. 02:21.490 --> 02:26.950 Then in the class six we will be running some transient solvers simulation. 02:26.950 --> 02:30.010 We would have run transient cases even before that. 02:30.010 --> 02:32.320 Even the lid driven cavity is a transient case. 02:32.320 --> 02:39.440 But still we will be running a more in-depth analysis analyzed cases for transient solvers. 02:39.440 --> 02:41.690 We will set up from scratch, and we will run it. 02:42.140 --> 02:46.730 And we will also look at how to decompose any case and run it in parallel. 02:46.730 --> 02:48.830 So the simulation runs faster. 02:48.830 --> 02:52.340 So Openfoam comes with the installation of MPI. 02:52.340 --> 02:55.430 So we will be using MPI to do the parallel processing. 02:56.360 --> 03:03.050 We will also look at how to make a mesh using snap mesh, but in parallel. 03:03.860 --> 03:10.130 In the class seven we will get introduced to refinement box in snap x mesh, which will be a slightly 03:10.130 --> 03:17.060 advanced feature where we can define, uh, a area locally in snap hex mesh. 03:17.240 --> 03:23.920 And we will also get, uh, two hands on tutorials, one on external aerodynamics for the classic Openfoam 03:23.920 --> 03:24.970 motorbike case. 03:25.300 --> 03:34.810 And we will be doing plotting of force coefficients using Gnuplot and other is exporting the Post-processed 03:34.840 --> 03:38.530 data to Excel and how to plot from Excel. 03:39.310 --> 03:44.440 In the class eight we will be importing Ansys workbench mesh as well as Ansys Fluent Mesh. 03:44.440 --> 03:45.760 So both are different. 03:45.760 --> 03:53.010 We will be importing both and we will use the workbench mesh to run one of the simulation for flow over 03:53.010 --> 03:56.760 a cylinder, and we will do a hands on tutorial on that. 03:57.810 --> 04:02.700 For the class nine, we will be seeing how to set up an automation file called All Run and All Clean 04:02.700 --> 04:03.180 file. 04:03.180 --> 04:10.620 All run file will enable the user to run the simulation, uh, with series of commands without doing 04:10.620 --> 04:11.190 it manually. 04:11.190 --> 04:12.670 We can set up the alternate file. 04:12.670 --> 04:17.080 If you want to change any boundary condition or initial condition, you can change that. 04:17.080 --> 04:19.810 And you don't have to run each and every command one by one. 04:19.810 --> 04:26.410 You can just initiate the, uh, automation alternate file and it will run it in series. 04:26.410 --> 04:30.640 And, uh, it can do series in the sense it will do step by step. 04:30.640 --> 04:32.530 It can also do parallel processing. 04:32.830 --> 04:36.460 Then the all clean file will be used to clean the case just in case. 04:36.460 --> 04:41.800 If you want to run this case from scratch again, but you don't want to delete every time step every 04:41.800 --> 04:48.910 mesh generated manually, you can use the all clean file and clean the case, get it back to the default 04:48.910 --> 04:51.160 setup and you can run from scratch. 04:51.970 --> 04:56.890 In the class ten we will get introduced to a multiphase flow simulation. 04:56.890 --> 05:03.290 This will be a basic introduction and some modeling approaches and practical consideration using Openfoam 05:03.290 --> 05:06.020 like setting up any multiphase case using Openfoam. 05:06.170 --> 05:11.990 Then we will be having one hands on tutorial on the demonstration of dam breaks. 05:12.020 --> 05:18.800 Usually dam break case is two phase, but we will be doing four phase using multiphase Euler form in 05:18.800 --> 05:19.580 Openfoam. 05:19.580 --> 05:22.910 So this is all that we will be covering in this course. 05:22.940 --> 05:25.820 Looking forward to seeing you in the class. 05:26.000 --> 05:26.960 Thank you.