what does table mean in oscillatingFixedValue?

T.Matrix · October 2, 2012, 07:01

I' m new in OpenFOAM 2.10. Recently I finished the case "oscillatingBox" with the solver potentialFreeSurfaceFoam. The oscillating amplitude is given by a table, and I just don't know the mathematics expression that a table is present.

amplitude table
(
( 0 0)
( 10 0.025)
(1000 0.025)
);

Thank your for help.

wyldckat · October 2, 2012, 16:25

Greetings T.Matrix and welcome to the forum!

If I remember correctly, this table is used for linear interpolation.
From 0 to 10 seconds, it rises linearly from 0 to 0.025; then from 10 to 1000, it stays at 0.025.

Best regards,
Bruno

T.Matrix · October 3, 2012, 01:38

Thank you, Bruno:

I analysis the oscillating amplitude with your advise. The first row is varying time, and the second row present the oscillating amplitude, and the table gives a message that oscillating amplitude is varying with time, is it right?

Best regards,
T3.Matrix

October 2, 2012, 07:01	what does table mean in oscillatingFixedValue?	#1
T.Matrix New Member Join Date: Mar 2012 Posts: 20 Rep Power: 14	I' m new in OpenFOAM 2.10. Recently I finished the case "oscillatingBox" with the solver potentialFreeSurfaceFoam. The oscillating amplitude is given by a table, and I just don't know the mathematics expression that a table is present. amplitude table ( ( 0 0) ( 10 0.025) (1000 0.025) ); Thank your for help.

October 2, 2012, 16:25		#2
wyldckat Retired Super Moderator Bruno Santos Join Date: Mar 2009 Location: Lisbon, Portugal Posts: 10,974 Blog Entries: 45 Rep Power: 128	Greetings T.Matrix and welcome to the forum! If I remember correctly, this table is used for linear interpolation. From 0 to 10 seconds, it rises linearly from 0 to 0.025; then from 10 to 1000, it stays at 0.025. Best regards, Bruno __________________ OpenFOAM: FAQ \| Getting started Forum: How to get help, to post code/output and forum guide Read this before sending me PM

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October 3, 2012, 01:38		#3
T.Matrix New Member Join Date: Mar 2012 Posts: 20 Rep Power: 14	Thank you, Bruno: I analysis the oscillating amplitude with your advise. The first row is varying time, and the second row present the oscillating amplitude, and the table gives a message that oscillating amplitude is varying with time, is it right? Best regards, T3.Matrix