The invention relates to a method for the numerical simulation of incompressible fluid flows which are described by a system of equations which comprises at least mass and pulse conservation equations for incompressible fluid flows from which, based on an algorithm (A), flow parameters are determined by means of a numeric projection method, wherein the algorithm (A) comprises at least three process steps (P1, P2, P3; P, E, K), and at least one process step (E) is parallelized, and the algorithm (A) comprises a predictor step (P) an evaluation step (E) and a corrector step (K). The invention is characterized in that the predictor step (P) is not parallelized or only slightly parallelized and is carried out at least on a first computing and control unit (RE1) and the evaluation step (E) is massively parallelized and is carried out on a plurality of second computing and control units (RE2.1, RE2.2, RE2.3, RE2.100).
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