  POD--Galerkin reduced-order models (ROMs) for fluid-structure interaction
problems (incompressible fluid and thin structure) are proposed in this paper.
Both the high-fidelity and reduced-order methods are based on a Chorin-Temam
operator-splitting approach. Two different reduced-order methods are proposed,
which differ on velocity continuity condition, imposed weakly or strongly,
respectively. The resulting ROMs are tested and compared on a representative
haemodynamics test case characterized by wave propagation, in order to assess
the capabilities of the proposed strategies.
