33 lines
793 B
Python
33 lines
793 B
Python
import argparse
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import datetime
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import numpy as np
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import dnstool
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from pycompact import CompactScheme
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# Commandline argument parser
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parser = argparse.ArgumentParser()
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parser.add_argument("-c", "--case", help="target case name", required=True)
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args = parser.parse_args()
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params = vars(args)
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casename = params["case"]
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field_idx = 4
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cases = dnstool.case_library()
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case = cases[casename]
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nx, ny, nz = case.shape
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cs = CompactScheme(nx, ny, nz, False, True, True, 4, 2, 2)
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ufile = "ddxc.dat"
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storage = np.memmap(ufile, mode='w+', dtype=np.double, shape=(nx, len(case.data_files), ny, nz))
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for i, fname in enumerate(case.data_files):
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print(datetime.datetime.now(), i, fname)
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time, y = case.read_single_field(fname, field_idx)
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storage[:,i,:,:] = cs.ddx(1. - y).T
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storage.flush()
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