發(fā)布時(shí)間：2018-06-22 06:54

  本文選題：大數(shù)據(jù) + 輻射傳輸仿真計(jì)算　； 參考：《北方工業(yè)大學(xué)》2017年碩士論文

【摘要】：本文基于風(fēng)云三號(hào)(FY3)衛(wèi)星數(shù)據(jù),研究了輻射傳輸仿真計(jì)算的結(jié)構(gòu)和流程。在研究過(guò)程中發(fā)現(xiàn)了在大數(shù)據(jù)環(huán)境下單點(diǎn)計(jì)算無(wú)法快速完成指定任務(wù)的問(wèn)題。根據(jù)輻射傳輸仿真計(jì)算的結(jié)構(gòu)、流程以及數(shù)據(jù)等因素,結(jié)合并行計(jì)算相關(guān)知識(shí),提出了加快仿真計(jì)算效率的方案,并且根據(jù)該計(jì)算方案將輻射傳輸仿真計(jì)算部署于一個(gè)適合該方案的集群系中去。最后,對(duì)輻射傳輸仿真的計(jì)算數(shù)據(jù)進(jìn)行了實(shí)驗(yàn)分析。本文的主要?jiǎng)?chuàng)新與內(nèi)容如下:1、輻射傳輸仿真的并行計(jì)算設(shè)計(jì)方案。為了解決輻射傳輸仿真計(jì)算在單一節(jié)點(diǎn)下計(jì)算慢的問(wèn)題,大量研究了輻射傳輸仿真計(jì)算的流程中應(yīng)用的數(shù)據(jù)的提取和處理的方式,分析了計(jì)算的物理結(jié)構(gòu)。通過(guò)實(shí)驗(yàn)統(tǒng)計(jì)了計(jì)算過(guò)程的每一個(gè)步驟消耗的時(shí)間。根據(jù)以上總結(jié)歸納的輻射傳輸仿真的特性,結(jié)合研究的并行計(jì)算設(shè)計(jì)方法,提出輻射傳輸仿真的并行計(jì)算方案。2、輻射傳輸仿真集群系統(tǒng)的實(shí)現(xiàn)�；谳椛鋫鬏�?shù)牟⑿杏?jì)算方案,設(shè)計(jì)并實(shí)現(xiàn)了一個(gè)符合計(jì)算方案的集群計(jì)算系統(tǒng)。此系統(tǒng)結(jié)合集群技術(shù)知識(shí),滿(mǎn)足集群的單一系統(tǒng)映像、可用性高、低成本等優(yōu)點(diǎn)和特性。根據(jù)實(shí)驗(yàn)證明,該集群系統(tǒng)提高了輻射傳輸仿真計(jì)算的效率,說(shuō)明了輻射傳輸仿真計(jì)算并行設(shè)計(jì)方案的可行性。3、集群管理系統(tǒng)的實(shí)現(xiàn)�；谳椛鋫鬏敺抡婕合到y(tǒng)的復(fù)雜結(jié)構(gòu)以及管理困難等問(wèn)題,設(shè)計(jì)了一個(gè)界面友好,功能齊全的集群管理系統(tǒng)。該管理系統(tǒng)實(shí)現(xiàn)了對(duì)集群系統(tǒng)中任務(wù)的監(jiān)控、節(jié)點(diǎn)的監(jiān)控和管理等功能,為用戶(hù)提供了一個(gè)良好的集群系統(tǒng)的管理平臺(tái)。4、本文通過(guò)同一組數(shù)據(jù)對(duì)集群系統(tǒng)和單計(jì)算機(jī)分別進(jìn)行計(jì)算,通過(guò)對(duì)比消耗時(shí)間,證明了集群的高計(jì)算性能。通過(guò)大量風(fēng)云三號(hào)衛(wèi)星數(shù)據(jù)的輻射傳輸仿真計(jì)算結(jié)果,分析了不同數(shù)據(jù)對(duì)同一組數(shù)據(jù)的敏感性。并且根據(jù)誤差的分析,判斷不同的數(shù)據(jù)對(duì)仿真數(shù)據(jù)的影響。
[Abstract]:In this paper, based on Fengyun three (FY3) satellite data, the structure and process of simulation calculation of radiation transmission are studied. In the process of research, the problem that the assigned task can not be completed quickly by single point calculation under the large data environment is found. According to the structure, process and data of the simulation calculation of radiation transmission, the related knowledge of parallel computing is proposed. The scheme to speed up the efficiency of simulation calculation is proposed, and the simulation calculation of radiation transmission is deployed in a cluster system suitable for the scheme according to the calculation scheme. Finally, the experimental analysis of the calculated data of the radiation transmission simulation is carried out. The main innovations and contents of this paper are as follows: 1, the parallel computing design scheme of the radiating transmission simulation is understood. The simulation calculation of radiative transmission is slow under a single node. A large number of methods of extracting and processing the data used in the simulation process of radiation transmission are studied. The physical structure of the calculation is analyzed. The time consumed by each step of the calculation process is calculated by the experiment. The radiation transmission is simulated according to the above summarization. Real characteristics, combined with the parallel computing design method of research, a parallel computing scheme of radiation transmission simulation.2, the implementation of the radiation transmission simulation cluster system. A cluster computing system based on the parallel computing scheme of radiation transmission is designed and implemented. This system combines the cluster technical knowledge to satisfy the cluster single. A system image, high availability, low cost and other advantages and characteristics. According to the experiment, it has been proved that the cluster system improves the efficiency of simulation and calculation of radiation transmission, illustrates the feasibility of the parallel design scheme of the simulation and calculation of radiation transmission.3, the realization of the cluster management system, and the complex structure and management difficulties based on the radiation transmission simulation cluster system. A cluster management system with friendly interface and full function is designed. The management system implements the functions of monitoring, monitoring and management of the tasks in the cluster system, providing a good management platform for the users of the cluster system,.4. In this paper, the cluster system and the single computer are calculated by the same group of data. By comparing the consumption time, the high computing performance of the cluster is proved. The sensitivity of different data to the same group of data is analyzed through the simulation results of a large number of wind and cloud three satellite data, and the influence of different data on the simulation data is determined according to the analysis of the error.
【學(xué)位授予單位】：北方工業(yè)大學(xué)
【學(xué)位級(jí)別】：碩士
【學(xué)位授予年份】：2017
【分類(lèi)號(hào)】：P409;TP311.52

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本文編號(hào)：2051996