def liver_dump_init(env, name=None):
    liver = {'x': [], 'Fes': [], 'Fis': [], 'Ficp': [], 'volume': [], 'col_p_n': [], 'crash': []}
    liver['vtx'] = env.liver.x.copy()
    if (name is not None):
        liver['name'] = name
    else:
        liver['name'] = f'_dt{env.timestep}_down_gm{env.liver.gamma}'
    return liver
def liver_dump_init(env, name=None):
    liver = {'x': [], 'Fes': [], 'Fis': [], 'Ficp': [], 'volume': [], 'col_p_n': [], 'crash': []}
    liver['vtx'] = env.liver.x.copy()
    if (name is not None):
        liver['name'] = name
    else:
        liver['name'] = f'_dt{env.timestep}_down_gm{env.liver.gamma}'
    return liver