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The paper presents an integrated software tool for the hydroplaning simulation based on a weak coupled fluid-structure interaction model. The integrated modules are a flow solver FINE™/Hexa designed to solve the complex two-phase flow surrounding the tire numerically, based on unstructured hexahedral grids, the FEM solver MSC.Marc/MSC.Mentat which predicts the transients of the tire's structure, a coupling module for efficient and accurate transfer of the essential variables between the flow and FEM solvers and a deformation module which handles the CFD unstructured mesh to match the external surface of the tire. The accuracy of each module and the robustness of the integrated software are validated by the computational results obtained for rigid and deformable tires over a large range of speeds.