The y-axis shows the mass fraction of the suspended particles and the x-axis shows the length of the cavity. When x = 0, that is to the left end wall of the cavity, when x = 21, that is at the right end wall of the cavity.
Fyi, the change in the mass fraction of the suspended particles is extremely small. Hence you can only see the 0.01 on the y-axis. I changed the scale already, but it could not get the accuracy.
Based on my understanding, I can see that as time goes on, the particles are being displaced on the right end wall of the cavity. However, I do not know how they are being displaced because I am not ramping the frequency of my ultrasound. I am only using one resonant frequency.
Furthermore, between 0.02 s and 0.04 s, there seems to be a back movement of the particles. You can see it from the changes of the mass fraction at x=21
I can see what appears to be pixelation effects in the y-values of the data. Also, absent a consistent y-range of scaling, I see no way to compare the time evolution of data sets. Finally, as for seeing trends, I am confused whether I am to follow the zig-zag of every line exactly, the flow of every end point at the end of a "connect-the-dots" plot, or the overall oscillations of a "smoothed average" through the data points.
I'd hope to see a plot of the data with a y-scale that is shown fully and is the same at each time step. I hope to see a plot that emphasizes foremost what is to be analyzed for trends -- maybe just the data points only, or the zig-zag solid lines as you have now, or perhaps data points with "by-eye" dashed lines.
Then, I might be able to talk about what the results mean.
Thank you for your comment. I would try to change the y-axis to log scale and post the pictures again if it is easy to read
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