  In a previous paper (Kato 2013b), we have shown that in deformed disks a pair
of trapped oscillation modes can be resonantly excited through couplings with
disk deformation. In this paper we examine in what cases tilts are excited on
tidally deformed disks by the above-mentioned wave-wave resonant process. The
results show that tilts can be excited in various evolutional stages of tidally
deformed disks, although the wave mode which becomes the pair to the tilt and
the mode of tidal waves contributing to the resonance change by change of disk
stages.
