Great tutorial mate! I was just looking for a good one because of my fluid mechanics class, and this tutorial save my life (and probably the semester too)
hi! thanks for providing quick and easy to understand video on cfd simulation. but i want to ask a question, i've set my iteration to 100 step. but then it stopped at 35 with 0 velocity magnitude? do you know why that is? thanks! ☺
So i running a simulation in a liquid fluid at a depth how to I set my boundary conditions to make account for the pressure of the fluid on the body I am analyzing.
Is there a method in this software to see the down-force or lift in a way that you can compare the front wheels against the back wheels? Example you add a wing on a car... does it generate too much or just enough rear downforce compared to the front.
Liberty Francis what i did in my video i was plotted surface pressure in all surface of the car, and in this case we can see according to the color which area with (high /low)pressure will generate (more/ less ) force lift/drag obviously at the particular location on the surface. In addition keep note on the pressure directions when plotting the surface pressure (X,Y,Z) direction.
drop me your email I will send you the file, but note that the excel file is just fit for my particular model and size, can not work to any other model and size. thanks
The car bottom doesn't really seem to be grounded at bottom. Does it impact the analysis result? I'm trying to calculate lift and drag on my structure and thus concerned if not being grounded at bottom might impact the analysis sanity. The CFD software won't let me intersect my structure with the walls of external boundary. Please suggest me if there is a way to do it withing CFD.
I have a car which was done in Inventor professional 2018 (ipt format) and before inventor, its blueprints was done in AutoCAD 2018 (dwg format), what's the better format to open it in CFD 2018? I open it as an ipt format, but a few features is shown to me on the surface
Hey guys I have problem, after clicking refine (meshing) CFD doesn't answer and start using 10GB RAM. I guess I need to change place of program calculation to cloud but I have no idea where can I find it. Does anyone can help me?
great video! 👍 I’ve been working on a car in fusion360 as well and transferred it to CFD. But after creating exterior box, the whole car and box together gets saved as a same part (hence can’t apply different materials or selected individually). Any solutions?
@@DidiWidyaUtama Thanks a lot for your time. Yes, only the vehicle was created in fusion. The fluid exterior volume was created in CFD itself. It’s only reading the side mirrors as a different part and I can only apply solid material to that. I’m pretty lost now.
@@DidiWidyaUtama Thank you for your response. Tue video you mentioned is a little different from what I need. Can you please share your email address so that we can talk efficiently. I seriously need your help.
Hello Didi, it's me again. I have successfully completed CFD of my drone with your help. I need one last help though. Can you pls tell me the formula that you used for CD (drag) calculation..
Pak didi, sy punya revit 2022 dan sy instal cfd 2021, di add-in ada logonya agar sy pencet langsung ke cfdnya, tapi kenapa gagal terus yah, kira2 apa masalah nya? Terimakasih
Hi, parameter yg mempengaruhi gaya hambat adalah : fluid density, speed ( ini significant karena kuadrat), koefisien drag dan luas penampang. Jadi ukuran geometri otomatis berkorelasi dgn luas penampang . Demikian , terimakasih
@@devanshujoshi8393 sorry, since i also downloaded it from grabcad which i put the source link in the description, so the file doesn’t belong to me, then I couldn’t re upload it back on grabcad.
![Pipe Flow Simulation - Beginner Tutorial [Autodesk CFD]](http://i.ytimg.com/vi/KrNMbuzUSzY/mqdefault.jpg)
thank you bro all the other tutorials on cfd wind tunnels were horrendous this one actually worked for me
Glad it helped!
Great tutorial mate! I was just looking for a good one because of my fluid mechanics class, and this tutorial save my life (and probably the semester too)
Glad it helped!
Thank you this helped me a lot.
Glad it helped!
hi! thanks for providing quick and easy to understand video on cfd simulation. but i want to ask a question, i've set my iteration to 100 step. but then it stopped at 35 with 0 velocity magnitude? do you know why that is? thanks! ☺
14:04 what's that warning, should i be worried about that? because i have a student account and i don't know
It's a notification for cloud credit usage.
@@DidiWidyaUtama thank you for the answer, but i use my computer to run the simulation, not the cloud
@@smusiness165 then you could ignore it
@@DidiWidyaUtama thank you
So i running a simulation in a liquid fluid at a depth how to I set my boundary conditions to make account for the pressure of the fluid on the body I am analyzing.
Is there a method in this software to see the down-force or lift in a way that you can compare the front wheels against the back wheels? Example you add a wing on a car... does it generate too much or just enough rear downforce compared to the front.
Liberty Francis what i did in my video i was plotted surface pressure in all surface of the car, and in this case we can see according to the color which area with (high /low)pressure will generate (more/ less ) force lift/drag obviously at the particular location on the surface. In addition keep note on the pressure directions when plotting the surface pressure (X,Y,Z) direction.
can you do this for Aptera vehicle, and get a cd estimate? they say 0.13 I dont believe it.
mantap bang ...englishnya sudah jauh lebih baik....buat tutorial yang banyak dengan autodesk cfd bang
Terimakasih,Nanti dipertimbangkan
Nice design, please can you send me that Excel sheet as I would like to calculate it for my design too.
drop me your email I will send you the file, but note that the excel file is just fit for my particular model and size, can not work to any other model and size. thanks
Heyy if u got then please send me
The car bottom doesn't really seem to be grounded at bottom. Does it impact the analysis result? I'm trying to calculate lift and drag on my structure and thus concerned if not being grounded at bottom might impact the analysis sanity. The CFD software won't let me intersect my structure with the walls of external boundary. Please suggest me if there is a way to do it withing CFD.
Of course it will affect the results. I suggest you create a 3dmodel for the road to simulate it
hello, help me. How to caculate drag coefficient in this ?
I have a car which was done in Inventor professional 2018 (ipt format) and before inventor, its blueprints was done in AutoCAD 2018 (dwg format), what's the better format to open it in CFD 2018?
I open it as an ipt format, but a few features is shown to me on the surface
when you install both inventor and CFD, then CFD icon will show-up in the inventor menu bar, just click it to direct import inventor model to CFD.
Your video helped me a lot. thanks. I have one question, how do I know the reference area value in Autodesk CFD?
you can't, i got it by projecting the outer edges of the car (view from front), thanks
@@DidiWidyaUtama Thanks for your reply. Have a good day
To calculate the drag coefficient, what area value do you use?
Fontal area of the car
Where to get the frontal area sir?
Amazing video, thx, but how can I solve Cd I mean what is the formula for it ( like you have in excel) thanks
it's just a general Cd formula
these tools will not appear with an fbx?
I'm unable to find the model on the given link. Please update the link or let me know if anyone can email it?
How i get drag coefficient of object?
Hey guys I have problem, after clicking refine (meshing) CFD doesn't answer and start using 10GB RAM.
I guess I need to change place of program calculation to cloud but I have no idea where can I find it. Does anyone can help me?
What area did you use to get the drag coefficient? Is it the total area or did you use the frontal area of the body?
Yes its the frontal area
Hi, can u send that Excel sheet for my design?
I cant figure out why mesh generation wont work
In my case the Newton value is getting a -value, what's the problem?
This happened to me too. Did you find the cause
Cyber truck is worst in Aerodynamics that flow separation at top of the vehicle is awful
As saw in the simulation results😃
What are the minimum PC specs required to do CFD2019 on Autpdesk?
If you know of one, please let me know. Thanks for the good video.
Хироки Янай here are the information you need : help.autodesk.com/view/SCDSE/2019/ENU/?guid=GUID-A15C448E-107C-447F-9F6D-0A585D5058C4
@@DidiWidyaUtama just I found it now! Thank you so much!
hello, I have designed a model but when going to CFD it doesn't load properly
Please check your 3D model, I guess there are some flaws
i saw that you are using Excel to calculate the drag coefficient, is it possible for you to share the Excel file to me?
Send me your email, I will send you the excel
great video! 👍
I’ve been working on a car in fusion360 as well and transferred it to CFD. But after creating exterior box, the whole car and box together gets saved as a same part (hence can’t apply different materials or selected individually). Any solutions?
better create the outer fluid domain in CFD instead in fusion
@@DidiWidyaUtama Thanks a lot for your time. Yes, only the vehicle was created in fusion. The fluid exterior volume was created in CFD itself. It’s only reading the side mirrors as a different part and I can only apply solid material to that. I’m pretty lost now.
@@hibelhussain ensure your 3D model are watertight as a single solid body
@@DidiWidyaUtama yeah I think that’s the issue. I tried stitching and it seems pretty hard to resolve since it’s a complex model 😅
Hey! I need to run a propeller through CFD and need to see it's thrust values. It's really difficult and I request you to help me out if you could.
do you need to run on steady state or transient ? check my propeller simulation here ua-cam.com/video/VnWpjFjQIYs/v-deo.html
@@DidiWidyaUtama Thank you for your response. Tue video you mentioned is a little different from what I need. Can you please share your email address so that we can talk efficiently. I seriously need your help.
@@abhishekshinde9071 send me here : dwu900@gmail.com
Sir can explain me how to change the file from fusion 360 to Autodesk cfd pls sir...I'm going project I need to do this . thanks in advance
Getting error like cfd config exe is missing from C sir
thank you
Hello Didi, it's me again. I have successfully completed CFD of my drone with your help. I need one last help though. Can you pls tell me the formula that you used for CD (drag) calculation..
You can find it here : www.grc.nasa.gov/www/k-12/airplane/dragco.html
@@DidiWidyaUtama Thank you. God bless!
@@abhishekshinde9071 u’re welcome
Plz can u share that Excel sheet..I would like to calculate for my design too.
provide my your email I will send it to you, but please consider the particular excel file only valid for particular shape and size of my model
@@DidiWidyaUtama Hello is it possible you can send it to me aswell?
How do you get the coefficient of drag in this program? Every time I try to find it, CFD crashes
the software only give result on Force in X,Y or Z direction, to get the coefficient you need to calculate using formula
@@DidiWidyaUtama i saw that you are using Excel to calculate the drag coefficient, is it possible for you to share the Excel file to me?
@@riffatmuntaz1338 of course, just drop your email and I’ll send it to you
Nice Sir
thanks
Hi! How much time did it take for the itterations?
as I remembered its about 4-5 hrs, but it depends on the computer you used
How do you change air density in CFD?
CFD 2019 Help: Chapter 8: Assigning Materials and Devices
help.autodesk.com/view/SCDSE/2019/ENU/?guid=GUID-614FE3AE-6310-46D9-863A-DF68A5E48083
Pak didi, sy punya revit 2022 dan sy instal cfd 2021, di add-in ada logonya agar sy pencet langsung ke cfdnya, tapi kenapa gagal terus yah, kira2 apa masalah nya? Terimakasih
Sy belum pernah coba dengan revit, barangkali beda versi pak
Izin bertanya pak, apakah ada pengaruh ukuran geometri (ext.volume) pada hasil simulasi, lebih tepatnya gaya yang dihasilkan ?
Hi, parameter yg mempengaruhi gaya hambat adalah : fluid density, speed ( ini significant karena kuadrat), koefisien drag dan luas penampang. Jadi ukuran geometri otomatis berkorelasi dgn luas penampang . Demikian , terimakasih
@@DidiWidyaUtama terimakasih pak, sukses selalu
Can u help me do in Ansys fluent
let me put to my consideration
Mas bs ngajarin privat CFD? buat yg lbh sederhana dari ini
Bisa, email sy saja
@@DidiWidyaUtama dimana ya alamat emailnya?
Please your file is not available please post it back on grabcad
Which file file?
@@DidiWidyaUtama your tesla model design file
@@devanshujoshi8393 sorry, since i also downloaded it from grabcad which i put the source link in the description, so the file doesn’t belong to me, then I couldn’t re upload it back on grabcad.
hello sir i want download cracked fusion360 , could you help me? from where can i download it. tanx
Sorry I have no idea
Is this paid software?
yes, but for education you can get free license
itu bisa pecah Pak Kacanya... jangan di beli...
di martil ya pecah lah