How to simulate a fluid flow with solid particles mixed with them??
I am a mechanical engineering student. i would like to simulate a flow which has the medium as fluid with small solid particles mixed with them for a research project. This multiphase medium will strike on walls of a cylinder and i need to find its impact on the walls. I dont have much knowledge about ansys and have just started working on it. So any sort of help would be appreciated.
|
The CFX tutorial flow in a butterfly valve is an example of exactly this type of flow.
|
Quote:
Any help is highly appreciated. Regards, |
If you are looking for a model which then couples the wear rate to erode the object, change its shape and then continue the simulation with the new shape - well, that is a very challenging simulation and one which cannot be done with the default models available in CFX. You are going to have to develop this yourself.
You can probably do a simple version where you run it for a while and get the wear distribution, then you remodel the object manually with the wear rate and then mesh it and simulate it again. This sounds quite simple, but it manual and time consuming. On second thoughts - you can probably do this using the parametric modelling in ANSYS workbench, where you couple the predicted wear rate back to the geometry and let it progress. This will probably be a better way of doing it. But it will still be a tricky model to develop. |
We can do it manually, even though it would be time consuming. But, the main problem is that how can we measure the final dimension of the work-piece after the simulation and how can we specify the material of the work-piece, because there should be different erosion rates if the work-piece material is steel as compared to the situation where the material is aluminium.
The butterfly valve tutorial also doesnt specify the material of the valve. Thanks in advance. Regards, Pankaj Bhatter |
Did you read my last post? Let me quote it again:
Quote:
|
Quote:
Quote:
It would be great if you or someone else would provide a direction in the above regard. |
One method which sounds plausible was in post #4:
Quote:
The butterfly tutorial with the erosive particles shows you how to get the erosion rate density. You are going to have to use that with some material properties to get erosion rates. |
All times are GMT -4. The time now is 23:32. |