It could be that the computer simulations are somehow faulty, but it is also possible that the analogy with pipe flow is simply incorrect and that rotating systems like accretion disks are intrinsically different.

• 可能是电脑模拟错了，但也可能是以管中流体来类推，基本上就不正确，像吸积盘这种旋转系统的性质本就与之不同。