  A disk around one component of a binary star system with sufficiently high
inclination can undergo Kozai-Lidov (KL) oscillations during which the disk
inclination and disk eccentricity are exchanged. Previous studies show that
without a source of accretion, KL unstable disks exhibit damped oscillations,
due to viscous dissipation, that leave the disk stable near or below the
critical inclination for KL oscillations. With three-dimensional hydrodynamical
simulations we show that a highly misaligned circumbinary disk that flows onto
the binary components forms highly inclined circumstellar disks around each
component. We show that a continuous infall of highly inclined material allows
the KL oscillations to continue. The KL disk oscillations produce shocks and
eccentricity growth in the circumstellar disks that affect the conditions for
planet formation.

Earth and Planetary Astrophysics;Solar and Stellar Astrophysics