This paper proposes a computational approach to debris flow model. In recent years, the theoretical activity on the classical\nHerschel-Bulkley model (1926) has been very intense, but it was in the early 80s that the opportunity to explore the computational\nmodel has enabled considerable progress in identifying the subclasses of applicability of different sets of boundary conditions and\ntheir approximations. Here we investigate analytically the problem of the simulation of uniform motion for heterogeneous debris\nflowlaterally confined taking into accountmainly the geological data and methodological suggestions derived fromsimulation with\ncellular automata and grid systems, in order to propose a computational scheme able to operate a compromise between ââ?¬Å?globalââ?¬Â\npredictive capacities and computing effort.
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