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This paper presents a unified numerical method able to address a wide class of fluid flow\udproblems of engineering interest. Arbitrary fluids are treated specifying totally arbitrary equations\udof state, either in analytical form or through look-up tables. The most general system of the\udunsteady Navier–Stokes equations is integrated with a coupled implicit preconditioned method.\udThe method can stand infinite CFL number and shows the efficiency of a quasi-Newton method\udindependent of the multi-block partitioning on parallel machines. Computed test cases ranging\udfrom inviscid hydrodynamics, to natural convection loops of liquid metals, and to supersonic\udgasdynamics, show a solution efficiency independent of the class of fluid flow problem

Efficient parallel computations of flows of arbitrary fluids for all regimes of Reynolds, Mach and Grashof numbers