Numerical simulation method for calculating flow field characteristics of closed bypass pipeline system
A technology of numerical simulation and flow field characteristics, applied in the field of pipeline simulation, it can solve problems such as slowing down the convergence speed, and achieve the effect of reducing the amount of meshes, making full use of computing resources, and optimizing the calculation boundary conditions.
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[0022] The present invention is described in more detail below in conjunction with accompanying drawing example:
[0023] combine Figure 1-2 , the purpose of the present invention is to optimize the method of calculating the flow field characteristics of the closed branch pipeline system to a certain extent, to ensure that the turbulent flow in the pipeline is fully developed, and at the same time reduce the amount of grids increased due to the extension of the pipeline, ensure the quality of the grid, and fully Reasonable use of existing computing resources can reduce the amount of calculation, and can more accurately give the boundary conditions of the pipeline flow field, so as to better simulate the flow in the real pipeline. The specific steps are as follows:
[0024] Step 1: Numerical simulation pre-processing, complete the modeling and grid division of the calculation domain, and divide the simulation domain into two parts: the cycle area 1 and the actual pipeline cal...
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