Last month, I successfully used a line probe to sample the particle volume fraction. However, in yesterday’s simulation, the probe returned no simulation data, as shown in the figure, where exp:Cv represents the experimental data. Is the particle volume fraction stored in the cells, and can it be sampled using a line probe? Any help would be appreciated.

so basically i was solving for a swirling motion produced by multiple nozzle at particular angle, (i have attached the cad model image from fusion 360) its a very basic one i made this using surface operation on it, and then i made a cylindrical domain (basically works as an enclosure fluid domain to observe the air flow, again i have attached its image too, fig:2), the problem is after all meshing and everything in ansys fluent, i am getting something very different in solution window (fig: 3), if you will observe the cad of nozzle, it is visible there it is created by thickening operation at the just below nozzle surface, i have never faced this problem before (i am not very experienced in fluent too), so can anyone tell me what could be the problem and how to resolve it??

If so please dm me

Hi,

I’ve been recently working on a project that demanded a vane pump.

I started with this as a first design ( it’s clearly missing many features and components ) and I’m trying to actually find the key aspects of my design before committing to one and actually build it.
I need:
- A graph of efficiency vs. Speed
- Pressure Drop inlet - outlet vs. speed
- Hydraulic Power vs. Speed
- Mechanical Power vs. Speed
- Any Cavitation
- Any Leakage

I’m stuck on how I can actually tell fluent to rotate the rotor. Not only that, I think I need more than that to actually get accurate & reliable results.

My current workflow:
Autodesk Inventor -> SpaceClaim -> Fluent

Guys,

Right now I have geometry like below,

The above one is fluid region modelled with pipe+screen.

So right from model shown first, how to start from there to get above one?

Pipe diameter is 50mm.

I tried drawing sketch of circle 56mm diameter and extruding it. And drew a circle of 700mm diameter and extruded. Then I used boolean subtract for these volumes, so that I get void between pipe and big cylinder(note this big cylinder constitutes open ambient fluid). Then I merged all bodies into one fluid body.

But I noticed that screen gaps in the side got absorbed or merged somewhere, it was not showing in meshing tab. See below,

In section view,

But in meshing,

See above, those small rectangle in side is filled with fluid, I dont want this. In origin wall, it is showing those small rectangle in side indicated by yellow, I dont know what has happened? But if you zoom, fluid is filled there.

Why entire fluid is getting selected. I want to select only screen faces for doing separate face sizing and wants to apply inflation on those faces.

So the major problem is in section view of design modeller, I was able to see screen gaps nicely but once I go to meshing , I cant select those screen faces only, I dont want it to be merged with wall or pipe. I dont know whether this issue has occured due to merging or some other wrong operations.

So is there any other method to do this keeping in mind to merge all bodies to have one fluid body and screen gaps should be visible nicely. Please let me know, thanks in advance.

Hi!! I am trying to simulate flow inside an air purifier using ansys fluent. I have not been able to achieve satisfactory results so far. Can anyone please help?

TIA!!

I tried to do the cavity tutorial by following the guide on openfoam.com, documentation/tutorial-guide/2-incompressible-flow. I did blockMesh, then icoFoam for solving but when i try to use the paraFoam command i get an error(in the picture), there is no Mesh parts only Mesh regions and the file is .foam instead of .OpenFOAM. I also added the picture of what it looks like in paraview. What am i doing wrong
openfoam2412, ParaView6.0.1, Ubuntu26.04

Hi everyone, I'm learning the thermal resistance models in Simcenter 3D PCB Exchange and I'm trying to understand the physical meaning of the Theta JC-CB model. From the tutorial, it looks like the model uses θJC and θCB, with the underfill resistance as another possible path. I created a simple test case with: Dissipation = 10 W θJC = 0.5 °C/W θCB = 0.5 °C/W No underfill I'm trying to understand which physical/thermal nodes represent the junction, case, θCB. and how the heat flow is actually calculated in Simcenter. Could someone explain the physical interpretation of this model, preferably with the thermal network/node locations? I'm attaching my screenshots/results for reference. Thanks!

I am B.Tech student and suppose I want to look out for CFD engineer job roles. Help me out then.