Wednesday, July 25, 2012

No shocks yet

I've been mostly fiddling with different parameters today. My acoustic waves aren't as nicely defined today as they were before I installed the probe, but they are still decent. They are a lot more turbulent than before, which makes it harder to isolate things like shocks. They are also exhibiting some odd "bouncing" behavior, where the back edge of a wavefront would occasionally change direction for a brief period of time, and I have no idea what would be causing it. The most likely explanation is probably that there are multiple dust acoustic waves travelling through the cloud at a slightly different frequencies, causing the irregularity. I haven't gotten a shock yet (or not one that I've noticed, at any rate); I'll need to play with the waveforms I'm generating on the probe some more and see what comes out of it. So far I've been using a basic square wave, but I may get better results with a ramp. I also haven't tried changing the length of the pulse, or fiddling with any other parameters relating to it. There's seems to be some sort of problem with the generator at the moment; hopefully I can get that sorted out fairly quickly. It's probably just something I set incorrectly.

I've also mostly finished up my GUI for now. It's not very pretty, but it gets the job done.

(Click for full image)

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