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#!/usr/bin/env python
from boltzgen import LBM, Generator, Geometry
from boltzgen.lbm.model import D2Q9
geometry = Geometry(256, 256)
functions = ['collide_and_stream', 'equilibrilize', 'collect_moments', 'momenta_boundary', 'example']
extras = ['omp_parallel_for', 'moments_vtk']
precision = 'double'
lbm = LBM(D2Q9)
generator = Generator(
descriptor = D2Q9,
moments = lbm.moments(),
collision = lbm.bgk(f_eq = lbm.equilibrium(), tau = 0.52),
target = 'cpp',
precision = precision,
index = 'XYZ',
layout = 'AOS')
with open("kernel.h", "w") as kernel:
kernel.write(generator.kernel(geometry, functions, extras))
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