File: particles_in_disk.py

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pysph 0~20180411.git1ae58e1-2.1
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import numpy as np
from pysph.base.utils import get_particle_array_wcsph
x, y = np.mgrid[-1:1:50j, -1:1:50j]
mask = x*x + y*y < 1.0
pa = get_particle_array_wcsph(name='fluid', x=x[mask], y=y[mask])
plt.scatter(pa.x, pa.y, marker='.')