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Forum: OpenFOAM Post-Processing

December 13, 2016, 17:24

Replies: 26

integrate several fields

Views: 10,580

Posted By gschaider

It seems I'm currently on a crusade about this:...

It seems I'm currently on a crusade about this: PLEASE people. Use the Code-environment (the #-icon in the message-edit-toolbar) when adding code (and OpenFOAM-dictionaries count as code) to your...

Forum: OpenFOAM Post-Processing

February 13, 2014, 18:54

Replies: 26

integrate several fields

Views: 10,580

Posted By gschaider

I only help with technical aspects of...

I only help with technical aspects of swak/groovyBC. The physics you've got to work out yourself.

Usually the best way is to sit down with a piece of paper "If the flow goes the BC is a Dirichlet...

Forum: OpenFOAM Post-Processing

January 31, 2014, 18:35

Replies: 26

integrate several fields

Views: 10,580

Posted By gschaider

Of course. By using the fractionExpression to...

Of course. By using the fractionExpression to switch between gradientExpression and valueExpression you can emulate something like the freestream BC

Forum: OpenFOAM Post-Processing

January 30, 2014, 12:04

Replies: 26

integrate several fields

Views: 10,580

Posted By gschaider

A numer of questions: - which OF-version -...

A numer of questions:
- which OF-version
- which swak-version
- the fatal-error is without any context (so I could only guess what is going on). Try the following: "export FOAM_ABORT=1" and rerun....

Forum: OpenFOAM Post-Processing

January 7, 2014, 18:36

Replies: 26

integrate several fields

Views: 10,580

Posted By gschaider

What do you mean? Usually integrals are...

What do you mean? Usually integrals are implemented in the user expressions: size of the discretization elements (=cell volume or face area) times the (cell or face value). Sum.

Forum: OpenFOAM Post-Processing

December 5, 2011, 19:14

Replies: 26

integrate several fields

Views: 10,580

Posted By gschaider

Sorry. I currently don't have the time to have a...

Sorry. I currently don't have the time to have a look at the case.

Anyway: I don't think that the initial error is something to worry about. The relative error at the first time-step is (judging...

Forum: OpenFOAM Post-Processing

December 2, 2011, 06:17

Replies: 26

integrate several fields

Views: 10,580

Posted By gschaider

Sorry for not answering to your post in more...

Sorry for not answering to your post in more detail, but at a first glance I'd say that there is a slight misunderstanding on the definition of phi:...

Forum: OpenFOAM Post-Processing

April 9, 2011, 08:40

Replies: 26

integrate several fields

Views: 10,580

Posted By gschaider

Hi. You don't have to go through the...

Hi.

You don't have to go through the expressionField. libsimpleSwakFunctionObjects.so already has what you need:

temperatureSum
{
type patchExpression;
accumulations (
...

Forum: OpenFOAM Post-Processing

April 7, 2011, 10:39

Replies: 26

integrate several fields

Views: 10,580

Posted By gschaider

Or (even better) you can add it as an example to...

Or (even better) you can add it as an example to the Wiki-page

Forum: OpenFOAM Post-Processing

April 7, 2011, 10:27

Replies: 26

integrate several fields

Views: 10,580

Posted By gschaider

Have a look at the Examples that come with swak....

Have a look at the Examples that come with swak. Especially other/angledDuctImplicit is bloated with functionObjects.

I hope to find the time to update the swak-Wiki-page when I find time (which...

Forum: OpenFOAM Post-Processing

April 7, 2011, 07:27

Replies: 26

integrate several fields

Views: 10,580

Posted By gschaider

@your recent posting: the factor always has to be...

@your recent posting: the factor always has to be a number that's why Ux didn't work. If you know the velocity you'd have to hardcode it here.

As what you're trying to compute isn't THAT uncommon...

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