multiple_independent_Utubes.py 文件源码

def _pipePositions(Ds, nPipes):
    """ Positions pipes in an axisymetric configuration.
    """
    dt = pi / float(nPipes)
    pos = [(0., 0.) for i in range(2*nPipes)]
    for i in range(nPipes):
        pos[i] = (Ds*np.cos(2.0*i*dt+pi), Ds*np.sin(2.0*i*dt+pi))
        pos[i+nPipes] = (Ds*np.cos(2.0*i*dt+pi+dt), Ds*np.sin(2.0*i*dt+pi+dt))
    return pos


# Main function