多作业管理方式在风能资源数值模拟中的应用

张小伟; 李正泉; 杨忠恩; 姚益平; 蔡菊珍

多作业管理方式在风能资源数值模拟中的应用

浙江省气候中心, 杭州 310017

资助项目:

浙江省气象局创新团队项目“复杂地形条件下风电量短期预报” 2009TD05

浙江省重大科技专项“浙江沿海风能资源多尺度模拟与综合评价” 2009C030082

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- 被引次数: 0
出版历程
- 收稿日期: 2010-02-03
- 修回日期: 2010-06-29
- 刊出日期: 2010-12-31

Application of Multi job Management Mode to Numerical Simulation for Wind Energy Resource

Zhejiang Provincial Climate Center, Hangzhou 310017

摘要

摘要: 通过对MM5和CALMET风能资源数值模拟耦合模式的计算流程分析，基于并行运算思想，设计了MM5和CALMET耦合模式模拟运算的多作业管理方式。在浙江省风能资源高分辨率数值模拟试验中，完成浙江区域1个月时间段的风能资源参数模拟运算，MM5和CALMET耦合模式在实施多作业管理方式前后，CALMET模式的运算时间由原来的1501.2 min缩短为149.5 min，运算时效提高了9倍；整个耦合模式的运算时间由原来的1709.9 min缩短为358.2 min，运算时效提高了4倍。数值模拟试验证实了多作业管理方式可在现有计算资源的基础上，大幅提高数值模式的运算时效，且随着数值模式模拟时间段的加长和模拟区域范围的扩大，多作业管理方式对数值模式运算功效的增强越加明显。
- 风能资源;
- 数值模拟;
- MM5/CALMET;
- 并行运算
Abstract: Numerical simulation of regional wind energy resource requires high performance computing resource. High spatial/temporal resolution models need more running time due to the limit of computing power. So lots of efforts are devoted to improving calculation efficiency of numerical model. The coupled MM5/CALMET model is proved to be suitable for simulating wind energy resource, and it is also recommended by China Meteorological Administration as a numerical simulation model to estimate provincial wind energy resource. Therefore, interpreting the computational flow of MM5 and CALMET models, a multi job management mode is designed based on parallel calculation principle. The numerical simulation of wind energy resource in Zhejiang Province demonstrates that the multi job management mode can significantly improve calculation efficiency of the coupled MM5/CALMET model. In the numerical simulation experiments of monthly parameters which are related to wind energy resource assessment, the CALMET model without parallel calculation needs 1501.2 minutes, but it only costs 149.5 minutes when implementing the multi job management mode, increasing the calculation efficiency of the coupled MM5/CALMET model by 4 times. The multi job management mode shows the ability to further improve the calculation efficiency of the coupled MM5/CALMET model with its simulation area expanding and simulation period prolonging.
- wind energy resource;
- numerical simulation MM5/CALMET;
- parallel calculation;

HTML全文

图 1 CALMET模式模拟计算流程

Fig. 1 The flowchart of CALMET simulation

下载: 全尺寸图片幻灯片

图 2 MM5与CALMET耦合模式的多作业管理方式

Fig. 2 Multi-job management mode of the coupled MM5/CALMET system

下载: 全尺寸图片幻灯片

图 3 MM5与CALMET耦合模式输出的2009年11月风能参数

(a)10m高度月平均风速，(b)70m高度月平均风功率密度

Fig. 3 Wind energy parameters of the coupled MM5/CALMET mode output in November 2009

(a) monthly mean wind speed, (b) monthly mean wind power density

下载: 全尺寸图片幻灯片

表 1 MM5/CALMET耦合模式原运算方式与多作业管理方式耗时

Table 1 Time-cost of MM5/CALMET simulation by original calculation mode or multi-job management mode

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