Phase Angle in Vortex-Induced Vibrations
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Dear Matlab community,
I'm having problems when trying to calculate and plot the phase angle of a cylinder undergoing Vortex-Induced Vibrations.
I need to plot the following (just the solid black line):
(From: A Single Van Der Pol Wake Oscillator Model For Coupled Cross-Flow And In-Line Vortex-Induced Vibrations (Qu and Metrikine, 2020)).
I know this is a very specific question, but I already tried inumerous phase angle's functions that I found in the Matlab community, but nothing seems to work for me.
If anyone have the answer and/or a suggestion, I would be really grateful.
Thank you,
Rafael F.
2 Kommentare
ZHI CHENG
am 25 Feb. 2021
Hi, do you solve the problem, I am also interested in the Vortex-Induced Vibrations with wake oscillator.
Thanks!
Antworten (1)
Jon
am 11 Nov. 2020
Bearbeitet: Jon
am 11 Nov. 2020
If you have phase angle values theta and velocity values v you can just plot
plot(v,theta)
If you are asking how do you calculate values of theta given v (that is theta is unknown) then this is a fluid mechanics question not a MATLAB question.
Please further specify what it is that you know and what problem you are having using MATLAB to solve it
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