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Search took 0.00 seconds. Search: Posts Made By: adorean
Forum: OpenFOAM Running, Solving & CFD May 2, 2005, 11:27
Replies: 33
Views: 4,043
Posted By adorean
Now even with a low Courant nu

Now even with a low Courant number, I've got this error message:

Max Courant Number = 0.0900482
deltaT = 2.57864e-14

Crank angle = -178.087 CA-deg
deltaZ = 6.93889e-15
void...
Forum: OpenFOAM Running, Solving & CFD May 2, 2005, 04:27
Replies: 33
Views: 4,043
Posted By adorean
Hello, I would very much ap

Hello,

I would very much appreciate some guidelines for using 'dieselEngineFoam'.

Is it OK to define the piston, liner and cylinderhead temp. b.c. as fixedValue?

And how is that light...
Forum: OpenFOAM Running, Solving & CFD April 28, 2005, 05:36
Replies: 33
Views: 4,043
Posted By adorean
Well, thanks Tommaso, but now

Well, thanks Tommaso, but now I'm confused.

> 'maxDeltaT in an engine simulation is the MAXIMUM CRANK ANGLE (and not the TIME STEP) and it should be kept around 0.1'

What MAXIMUM CRANK...
Forum: OpenFOAM Running, Solving & CFD April 28, 2005, 05:22
Replies: 33
Views: 4,043
Posted By adorean
OK, Fabian. Thanks. Ervi

OK, Fabian.

Thanks.

Ervin
Forum: OpenFOAM Running, Solving & CFD April 28, 2005, 05:11
Replies: 33
Views: 4,043
Posted By adorean
Hello, Can somebody please

Hello,

Can somebody please tell me some guidelines for a control dictionary for 'dieselEngineFoam'?

- Courant number should be kept around 1?
- deltaT=? for compression & injection?
-...
Forum: OpenFOAM Running, Solving & CFD April 26, 2005, 06:06
Replies: 33
Views: 4,043
Posted By adorean
Hi, The last run of 'couple

Hi,

The last run of 'couplePatches' produces this:

"Create morphMesh for time = -180

Mesh has coupled patches ...

Testing for correct face ordering ...
cyclicPolyPatch::order :...
Forum: OpenFOAM Running, Solving & CFD April 26, 2005, 04:12
Replies: 33
Views: 4,043
Posted By adorean
Hi Mattijs, What's this err

Hi Mattijs,

What's this error? Appears at createPatch.

--> FOAM FATAL IO ERROR : cannot open file

file: /home/ervin/OpenFOAM/ervin-1.1/run/tutorials/dieselEngineFoam/motor5/system/crea...
Forum: OpenFOAM Running, Solving & CFD April 25, 2005, 12:17
Replies: 33
Views: 4,043
Posted By adorean
Hi, Trying to run dieselEng

Hi,

Trying to run dieselEngineFoam, but got this error.
Can somebody tell me what kind of error is this, and how can it be avoided/corrected?

Create engine time

Create mesh for time...
Forum: OpenFOAM Running, Solving & CFD April 22, 2005, 06:05
Replies: 33
Views: 4,043
Posted By adorean
Hi, A few more questions ab

Hi,

A few more questions about dieselEngineFoam.
The mesh I'm using: 1/8 sector, 3D.

1) the injected mass 'mass' in 'injectorProperties' is the total injected mass by the injector/cycle...
Forum: OpenFOAM Running, Solving & CFD April 20, 2005, 07:34
Replies: 33
Views: 4,043
Posted By adorean
Well, now it's clear.

Well, now it's clear.
Forum: OpenFOAM Running, Solving & CFD April 20, 2005, 07:16
Replies: 33
Views: 4,043
Posted By adorean
Hi, direction (1 0 0) means

Hi,

direction (1 0 0) means that the injector is oriented along the positive x axis.

To rotate it 30 deg. along the y and z axes, is it correct:
direction (0 30 30) or the angle should be...
Forum: OpenFOAM Running, Solving & CFD April 20, 2005, 05:33
Replies: 33
Views: 4,043
Posted By adorean
Thanks!

Thanks!
Forum: OpenFOAM Running, Solving & CFD April 20, 2005, 04:38
Replies: 33
Views: 4,043
Posted By adorean
Hi all, I want to simulate

Hi all,

I want to simulate a DI Diesel engine combustion using a 3D, 45 deg. sector mesh.
I have found on the forum how to add engine swirl, as explained by Niklas Nordin somewhere in 2004.
...
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