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Forum: Main CFD Forum November 11, 2011, 06:43
Replies: 29
Views: 12,405
Posted By TheBoyce
S.o.r

Just incase anyone is having similair problems I have now found my way around this issue.

I spent so long trying to get the Biconjugate Gradient Method to work as I was trying to recreate the...
Forum: Main CFD Forum October 14, 2011, 05:11
Replies: 29
Views: 12,405
Posted By TheBoyce
Do you mean you want me to give you my update...

Do you mean you want me to give you my update equations for the pressure, velocity and density? If so, in what form? Differential or spatially discretized?

Also, use of iNavier is not an option...
Forum: Main CFD Forum October 14, 2011, 04:58
Replies: 29
Views: 12,405
Posted By TheBoyce
You are correct on all these points. ...

You are correct on all these points.



It would be good if i could match the results of this paper using the exact same method but I am free to solve it another way. I just need to make sure my...
Forum: Main CFD Forum October 14, 2011, 04:41
Replies: 29
Views: 12,405
Posted By TheBoyce
A quick addition to the above post. You said...

A quick addition to the above post.

You said that you fix the value at flow out and this works well. Wherever I fix the value it creates the effect of a sink or outflow with fluid being pulled...
Forum: Main CFD Forum October 14, 2011, 04:33
Replies: 29
Views: 12,405
Posted By TheBoyce
At a different point in the paper is states that...

At a different point in the paper is states that p=0 should be set at p(1,1). However, this is not an outflow, there are no outflows as the system is closed, it describes the axisymmetrical spin-up...
Forum: Main CFD Forum October 13, 2011, 10:13
Replies: 29
Views: 12,405
Posted By TheBoyce
Hello all, I have still not got around this...

Hello all,

I have still not got around this problem.

Arjun - could you please advise me on how you would go about fixing the value of pressure at one node? No matter how I do this it always...
Forum: Main CFD Forum July 19, 2011, 07:09
Replies: 29
Views: 12,405
Posted By TheBoyce
Pressure Poisson Equation (PPE)

Hello all,

I have been searching the forum and obviously there is a lot of information regarding the pressure poisson equation. However, I have not come across anyone who mentions the problem I...
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