Residual and Imbalance oscillating
i hope you can help me.
I am currently simulating an autoclave, doing sensitivity analysis on mesh.
Its a simple transient flow simulation without heat transfer.
Reference Pressure: 5 bar
Air at 25°C
Inlet: Mass flow
Outlet: Opening (0Pa Opening Pressure)
Initial condition for Fluid: velocity 0 m/s, p=0 bar
I am simulating the first 3 secs of air flow into the autoclave.
1) I have set the residual to 10^-5 and the monitor show, that all equations converge. Anyway residual is still oscillating between 10^-5 and 10^-6.
What does that mean? Has convergence been reached?
2) The imbalance plot does also show oscillation between 10^-2 and 10^-4.
As this is a percentage value, is a value of 10^-2 sufficient for convergence?
3) Do the oscillations have influence on convergence?
Thanks in advance
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