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Results tagged with oscillations
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user 27
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alternatives to moving mesh technique
One and two do not lead to the same flow. One is like a piston that actually compresses the flow, two will behave differently. The details are dependent on the inlet flow characteristics, but you shou …
- 10.9k
-1
votes
An explanation of 2delta waves on non-staggered grids
There's usually a dimensionless condition that, when violated, leads to spurious oscillations. …
- 10.9k
2
votes
Fast way to compute integral of type $\int dx f(x) \cos(n \pi x)$ in SciPy
If $f$ is very nice, then you can approximate $f$ with a sequence of piecewise polynomials and integrate over the resulting intervals exactly. This may be much, much cheaper than using an FFT. This is …
- 10.9k