ANSYS Fluent | Analysis of Two Concentric Rotating Cylinders | Moving Wall Boundary Condition | CFD

[@aadithyakrishna3054]

Great Tutorial With Clear A Voice Over.

[@AnsysTutor]

Thank you 🙂

[@humbertosilva4140]

Thanks for all techniques shared here. They are really handy in using ANSYS FLUENT

[@AnsysTutor]

You're very welcome!

[@veervikramsingh6905]

Thank you, your all tutorials are excellant

[@AnsysTutor]

Thank you.

[@henrycoldrain8151]

Oh my god thank yoooooooooooouuuuuuuu . Now we have voice over too

[@AnsysTutor]

Yes, many subscribers had requested for voice narration of the demonstration.

[@ruslansabah4070]

Thanks you. Can make tutorials about combustion?

[@AnsysTutor]

Will try to make a tutorial.

[@raoufdz4474]

Thank you guys ..you are doing incredible work

[@AnsysTutor]

Thank you 🙏 for your love for our channel.

[@sumangowda7356]

Awesome work. 🥳. Please make a video on Cyclone separator too

[@AnsysTutor]

Will try to make a tutorial.

[@henrycoldrain8151]

I just cant fcking thank you enough. I was working on the viscosity subject. And by using shear stress formula where you obtain viscosity with the help of surface area torque and velocity etc. Then i thought that maybe i should ask my Ansys Tutor about a vdieo like this one but oh my god. Its like u heard me there. Know this mister. You are a true legend.

[@AnsysTutor]

Thank you Henry. Its a pleasure that our tutorial helped you.

[@rishikeshkumar8451]

Hello sir, I am a research scholar working on liquid flat plate collector. Studying the efficiency enhancement using various nanofluids. I'm not able to decide my fluid domain. It will be a great help from your side if you make a video on that. Currently there is hardly any video on the simulation of liquid flat plate collector. Thanks and regards.

[@AnsysTutor]

You should follow some of the standard research paper ,from there you can get idea about which fluid to use. Will try to make tutorial on simulation of flat plat collector if possible.

[@rishikeshkumar8451]

@@AnsysTutor that will be a great help to excel my research work sir. Will wait for your next tutorial video ! And thank you so much for teaching us ansys in such a great way..!!

[@deeprajkumar4527]

Respect Sir, Great Tutorials. I was working on CFD of Centrifugal Pump and need to draw the characteristic graph. So how to calculate various parameters like Head, efficiency, Discharge? Kindly reply.

[@AnsysTutor]

You can find out these output parameters using the custom made functions.

[@deeprajkumar4527]

@@AnsysTutor Thank You sir for the guidance.

[@AnsysTutor]

You are most welcome.

[@prerakshah4360]

Respected sir, your tutorials are truly fabulous and you are doing such a great work! Actually I'm having trouble getting accurate output temp in laminar flow..It is, like an eg. I'm putting input temp as 293 K and velocity inlet and it's giving me outlet temp as 292.75458 etc every time, like I think it's not accepting other inlet parameters.. can you please tell me the actual reason behind this issue? Sir, it'll be really helpful 🙏

[@AnsysTutor]

What about the inlet and outlet velocity?

[@prerakshah4360]

Yes I also put inlet velocity as 2 m/s and wall temperature as 313 K.. even I increase the inlet velocity to any value, I always get outlet temperature by facet avg/avg weighted just around the inlet temp or sometimes around the wall temperature!

[@AnsysTutor]

Have you calculated the Reynolds number , have you selected the turbulence model according to that. ?

[@arjunadealwis]

thank you for the video. Can you please tell how to include the viscous dissipation heat effect when the cylinders rotate?

[@AnsysTutor]

It can be added, if you select the turbulence model. There is an option to select viscous heating effect.

[@arjunadealwis]

Ansys-Tutor thank you so much

[@AnsysTutor]

You are most welcome.

[@antares365]

Great tutorial as always. I did exactly as you did and everything seemed to be ok until solver setup. I do exactly as you do, but sometimes the program goes mad: after calculations the solution cell doesn´t get up to date, instead, it gets refresh required. And sometimes that doesn´t allow CFD post to work properly. Besides my temperature distribution is different to what you got here, like 4 degrees beneath your average value. If you have any clue why this happens would be very helpful. My version is 18.2 btw.

[@AnsysTutor]

Are you getting any warning or error in calculation process.

[@antares365]

@@AnsysTutor not during calculation, just the typical "can't handle Fluent message" after it sometimes. Another thing is that my solution gets converged at 201 iterations, not 206. Maybe there are some initial parameters that differ from what you have at your version that I haven't noticed.

[@AnsysTutor]

I would suggest you to first note down all the steps and required BC inputs, reset the current setup ,then proceed to the new setup process.

[@antares365]

@@AnsysTutor I reset the setup cell but the same thing goes on. I'll try to figure out later what may cause this. Meanwhile I'll move forward to other tutorials. Thanks for taking time to answer.

[@yap7721]

can you do a tutorial on same problem in 3d with axial through flow?

[@AnsysTutor]

kzbin.info/www/bejne/n2bLgaOreNJra9U

[@yap7721]

@@AnsysTutor are we able to study the flow structures and heat transfer performance in 3d?

[@virajkawatkar4449]

Hello sir, your tutorials are great, learning a lot from them but can you plz arrange your playlist according to the order in which a newcomer will get step by step knowledge of ansys fluent as I can see the playlist is arranged as newest to oldest so does the order of the videos matter or one can dive into them in any order.

[@AnsysTutor]

every video is done with keep in mind of a ANSYS beginner. You can be a pro after practicing 2-3 videos.

[@virajkawatkar4449]

@@AnsysTutor ok thank u :)

[@AnsysTutor]

You are most welcome.

[@ranjoybarua4495]

Could you please provide the Analysis of Two Concentric Rotating Cylinders in 3D????

[@barinfaleye4438]

Thanks for the video! How would you plot the skin friction coefficient along the inner and outer walls?

[@AnsysTutor]

You need to create a polyline as a reference location along these walls yo get the plot.

[@barinfaleye4438]

@@AnsysTutor thanks, can this be done in setup?

[@AnsysTutor]

You can do it in cfd post processing.

[@leomartinez9464]

Thanks for the video, I want to plot de temperature distribution over a cilindrical wall in the transversal plane of a tube in 3D, could you please tell me how can I do that. Thanks in advance

[@AnsysTutor]

You need to create a new plane (in cfd post) at the desired location, then you can obtain the temperature distribution contour at that transverse plane.

[@leomartinez9464]

@@AnsysTutor Thanks for your prompt response. I have displayed a contour of the temperature over the cylindrical wall, but what I need is only the graph of the transversal plane, the data for exporting to a csv file. The tube has its perimeter over XZ plane, and the height is on the Y axis. I want to graph the temperature over the perimeter at the XZ plane in the middle of the tube (Y=0). Do you have a tutorial or know a video explaining the procedure for doing that? Thanks in advance

[@nikunjgediya2953]

Can u make videos on meshing

[@AnsysTutor]

Will try to make a detail video on meshing.

[@banenata3803]

thank you for videos..I am working on friction welding on two aluminum bars, but I do not come out with results saying that there is a problem. Can you help me with that?

[@AnsysTutor]

In which package are you currently doing this simulation.

[@banenata3803]

Ansys-Tutor I have used‏ Transient structural

[@AnsysTutor]

Have you taken any reference from any research paper . I think it should solved using a nonlinear analysis.

[@banenata3803]

Ansys-Tutor I have seen several papers but have difficulty understanding them

[@banenata3803]

Ansys-Tutor do you mean from engineering data choose general non linear materials instead of general materials in transient structural?

[@abhishekbihari177]

Great explanation sir....thank you

[@AnsysTutor]

Thank you. Please share with your friends.

[@abhishekbihari177]

@@AnsysTutor sure .....can you also provide tutorials on fluid structure interaction....e.g. hydrodynamic journal bearing

[@AnsysTutor]

Two way fsi or one way fsi?

[@abhishekbihari177]

@@AnsysTutor Two way FSI sir....

[@saiteja-zi4so]

Sir , Can we put more value in wall thickness? As per summary there is no wall thickness so Is there any problem in final solution?

[@AnsysTutor]

Its a 2D analysis, so you dont need to put any thickness.

[@petark.4947]

Hello. I encountered a couple problems while trying to follow the tutorial. On my first try, in post processing the vectors I created looked chaotic and randomly placed compared to yours. I tried again and again from the start but while I was creating the mesh, the orthogonal quality got worse the more I tried. Do you have any advice?

[@AnsysTutor]

You need to adjust the vector size and number of vectors.

[@gauribhatkulkar]

Can you do the meshing on 3d torus...

[@AnsysTutor]

Yes.

[@fero807]

What is meant by wall thickness in thermal tab, boundary conditions

[@AnsysTutor]

Generally all the wall boundaries has zero thickness, if you want to model the wall as it is practically, then you need to provide thickness to the wall.

[@sachinpunwatkar3432]

while selecting the line in CFD post-processing, can somebody tell me how to select the co-ordinates of line

[@rumanaparvinrinky5556]

thank u so much

[@AnsysTutor]

Most welcome.

[@alimoin9938]

Good job👌👌👌👌

[@AnsysTutor]

Thank you so much 😀

[@hatembahri4314]

hi sir first of all i want to thank u for this tuto, then im working on tesla turbine so if u could help me to simulate it

[@AnsysTutor]

Sorry, currently busy with some work

[@kondaravali1385]

I am not getting green tick for solution in workbench window automatically as you are getting.what should I do? And I didn't get the same temperature contour.Mine is more of blue shade(less temperature more than half of the annulus).I've followed all the steps and tried few times.please help me with this?

[@AnsysTutor]

Always try to save the File in fluent, after the solution gets completed.

[@kondaravali1385]

@@AnsysTutor thank you

[@theassignmentteacher5181]

thanks, sir. for the tutorial.

[@AnsysTutor]

Most welcome.

[@ch12deekshakatiyar2]

setup does not showing vectors on surface in workbench 19.2 please help

[@AnsysTutor]

Try it in cfd post processing.

[@ch12deekshakatiyar2]

@@AnsysTutor got it thank you

[@AnsysTutor]

You are most welcome.

[@saurabhchhipa3135]

kzbin.info/www/bejne/n2bLgaOreNJra9Usi=Z3-6Efi10dSX1sMZ in this tutorial you didnt take wall thickness but in this video you take thicknesss of wall , please disuss