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-   -   wavetype combinedWaves; (https://www.cfd-online.com/Forums/openfoam-pre-processing/176663-wavetype-combinedwaves.html)

chia87 August 24, 2016 02:02

wavetype combinedWaves;
 
Dear all,

I'm trying to simulate a near-breaking/breaking waves, via the superposition of 19 regular waves of differing frequencies and phases.

I didnt use any spectrum for this, instead, I used a range of frequencies (which are arbitary) , and manual calculate the phase needed to superimpose the waves at a focussed point, leading to the disastrous wave (occuring at the chosen time and chosen point)

Hence, I believed that I should be using waveType combinedWaves;

1) but how do i go about inputing multiple waves? How do I go about inputting 19 * stokesFirst wave?

2) the phi (phase shift) for these waves, are the values in radian or seconds?


Thanks in advanced for any kind inputs!

https://openfoamwiki.net/index.php/C...y_of_the_above

chia87 August 24, 2016 03:08

could it be something like this to input 19 waves?

waveType combinedWaves;
depth 0.6;
period1 1.786;
period2 0.909;
period3 ....
periodx...
direction1 (1.0 0.0 0.0);
direction2 (1.0 0.0 0.0);
directionx
height1 0.03785;
height2 0.012822;
phi1 14.858;
phi2 1.8585;
phi3 ....
phix .....

correct me if im wrong thanks!

chia87 August 26, 2016 01:22

phi is in radians,

and i got the answer to my own question, thanks to those who helped


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