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On parallei implementation of a steady state thermal and hydraulic analysis of pipe networks in OpenMP

Fedorov M.

Metody Informatyki Stosowanej

2009

nr 3 (20)

43-51

The considerable computation time of a practical application of sequential algorithms for simulating thermal and flow distribution in pipe networks is the motivating factor to study their parallei implementation. The mathematical model formulated and studied in the paper requires the solution of a set of nonlinear equations, which are solved by the Newton-Raphson method. An object-oriented solver automatically formulates the equations for networks of an arbitrary topology. The hydraulic model that is chosen as a benchmark consists of nodal flows and loop equations. A general decomposition algorithm for analysis of flow and temperature distribution in a pipe netwark is presented, and results of speedup of its parallel implementation are demonstrated.