# -*- coding: UTF-8 -*-
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# Copyright (c) 2014, Yung-Yu Chen <yyc@solvcon.net>
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"""
Material definition.
"""


from solvcon import gendata


class BulkFluid(object):
    """
    Fluid properties for :py:class:`~.solver.BulkSolver`.
    """

    def __init__(self, **kw):
        self.bulk = kw.pop('bulk', 1.0)
        self.dvisco = kw.pop('dvisco', 1.0)
        self.rho = kw.pop('rho', 1.0)
        vel = kw.pop('vel', (0, 0, 0))


#: Collection of :py:class:`BulkFluid` objects.
fluids = gendata.AttributeDict()

fluids['air'] = BulkFluid(
    bulk=1.42e5, # Pa
    rho=1.225, # kg/m^3
    dvisco=1.983e-5, # kg/(m s)
)

# vim: set ff=unix fenc=utf8 ft=python ai et sw=4 ts=4 tw=79:
