基于petsc的cfd并行jfnk求解器

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1、分类号TP301学号GS11062379UDC密级公开工程硕士学位论文基于PETSc的CFD并行JFNK求解器硕士生姓名钟英工程领域软件工程研究方向大规模科学与工程计算指导教师张理论研究员国防科学技术大学研究生院二〇一三年十一月万方数据万方数据ParallelJFNKSolverforCFDBasedonPETScCandidate：ZhongYingAdvisor：Prof.ZhangLilunAthesisSubmittedinpartialfulfillmentoftherequirementsforthepro

2、fessionaldegreeofMasterofEngineeringinSoftwareEngineeringGraduateSchoolofNationalUniversityofDefenseTechnologyChangsha，Hunan，P.R.ChinaNovember，2013万方数据万方数据万方数据万方数据国防科学技术大学研究生院工程硕士学位论文目录摘要...........................................................................

3、....................................................iABSTRACT.....................................................................................................................iii第一章绪论............................................................................

4、......................................11.1研究背景介绍.................................................................................................11.1.1CFD及求解器简介..............................................................................11.1.2结构多块网格二次剖分........

5、..............................................................21.1.3PETSc软件框架的引入......................................................................41.2JFNK与PETSc在CFD中的研究与应用现状............................................51.3研究内容.................................

6、........................................................................61.4论文结构.........................................................................................................7第二章CFD-JFNK非线性求解器数值模型.......................................................

7、.......92.1传统CFD线性求解器....................................................................................92.2JFNK方法的非线性函数.............................................................................112.3JFNK的两层迭代及预条件..............................................

8、...........................122.3.1非精确Newton法..............................................................................122.3.2Krylov子空间法...........................