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Method for simulating wind field by coupling WRF (weather research and forecasting) and OpenFOAM modes

A wind field simulation and model technology, applied in the field of wind field simulation, can solve problems such as unclear detailed process, expensive, and expand custom functions, and achieve the effect of improving the effect of wind field simulation

Active Publication Date: 2017-01-11
CHINA ELECTRIC POWER RES INST +4
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Problems solved by technology

But its common limitation is that it is expensive as a commercial software, and the closed nature of the software prevents the operator from deeply customizing the software and expanding custom functions.
Moreover, the calculation of the software is a "black box process". The operator does not know the detailed process of content calculation and cannot modify the internal calculation parameters. It is not convenient for later calculation reliability analysis and improvement of calculation scheme.

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  • Method for simulating wind field by coupling WRF (weather research and forecasting) and OpenFOAM modes
  • Method for simulating wind field by coupling WRF (weather research and forecasting) and OpenFOAM modes

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Embodiment Construction

[0038] The specific implementation manners of the present invention will be further described in detail below in conjunction with the accompanying drawings.

[0039] The following description and drawings illustrate specific embodiments of the invention sufficiently to enable those skilled in the art to practice them. Other embodiments may incorporate structural, logical, electrical, process, and other changes. The examples merely represent possible variations. Individual components and functions are optional unless explicitly required, and the order of operations may vary. Portions and features of some embodiments may be included in or substituted for those of other embodiments. The scope of embodiments of the present invention includes the full scope of the claims, and all available equivalents of the claims. These embodiments of the present invention may be referred to herein, individually or collectively, by the term "invention", which is for convenience only and is not...

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Abstract

The invention relates to a method for simulating a wind field by coupling WRF (weather research and forecasting) and OpenFOAM modes. The method comprises the following steps of outputting and processing WRF data in a meso-scale weather mode; manufacturing a small-scale open-source OpenFOAM refined network in a CFD mode for calculating hydromechanics; transferring data between the WRF and OpenFOAM modes; driving the OpenFOAM mode to calculate. The method has the advantages that by adopting the technical scheme, the coupling calculation of the WRF and OpenFOAM modes is realized, the data with several-mile horizontal resolution in the WRF mode is downscaled into the data with 30m resolution in the OpenFOAM mode, the wind field simulating effect in the WRF mode under the complicated terrain is improved, the business levels of wind resource evaluation and wind power prediction are improved, and the predicting accuracy is improved.

Description

technical field [0001] The invention relates to a wind field simulation method, in particular to a wind field simulation method coupling WRF and OpenFOAM modes. Background technique [0002] At present, there are some wind field simulation methods based on the coupling of small-scale and medium-scale models, such as the coupling of small-scale WAsP, CALMET, WindMap, WindSim, and Fluent with mesoscale WRF, MM5, and KAMM models, among which WAsP, CALMET, and WindMap belong to linear models. WindSim and Fluent belong to the commercial computational fluid dynamics CFD mode. The OpenFOAM model, like WindSim and Fluent, belongs to the computational fluid dynamics CFD model, but different from the former two, the OpenFOAM model is a free open source model. [0003] Regarding WRF models: Both wind power forecasting and wind resource assessment require mesoscale wind field simulation data that are as accurate as possible. At present, both domestically and internationally, mesoscale...

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Application Information

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IPC IPC(8): G06F19/00G06F9/455
Inventor 宋宗朋冯双磊王勃靳双龙王伟胜刘纯胡菊马振强姜文玲赵艳青王铮杨红英车建峰卢静张菲张慧玲韩红卫邵鹏李婷
Owner CHINA ELECTRIC POWER RES INST
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