“数值传热学”中贴体网格与非结构化网格上的有限容积法对比教学  被引量:1

Comparative Teaching on the Finite Volume Methods between Body-fitted and Unstructured Grids in Numerical Heat Transfer Course

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作  者:宇波[1] 禹国军 韩东旭 李敬法 王艺[3] 孙东亮[1] YU Bo;YU Guojun;HAN Dongxu;LI Jingfa;WANG Yi;SUN Dongliang(School of Mechanical Engineering,Beijing Institute of Petrochemical Technology,Beijing 102617,China;Merchant Marine College,Shanghai Maritime University,Shanghai 201306,China;College of Mechanical and Transportation Engineering,China University of Petroleum-Beijing,Beijing 102249,China)

机构地区:[1]北京石油化工学院机械工程学院,北京102617 [2]上海海事大学商船学院,上海201306 [3]中国石油大学(北京)机械与储运工程学院,北京102249

出  处:《实验室研究与探索》2023年第7期252-256,共5页Research and Exploration In Laboratory

基  金:教育部产学合作协同人项目(202102100033,202101074009);北京石油化工学院教育改革和研究项目(YB202102001,YB202102006);上海海事大学研究生课程思政建设项目(研(YZ)2021005)。

摘  要:提出了一套贴体网格和非结构化网格有限容积法的对比教学方法。该方法基于典型案例引入以及对照式、综合式辨析策略,给出了对不规则区域有限容积法涉及贴体网格和非结构化网格内涵的差异,两者对有限容积法实施过程差异,控制方程的异同,控制方程变换的实质以及物理问题适应性5个重要内容进行综合辨析教学的要点及实施过程。该对比教学方法可为“数值传热学”或“计算流体力学”的教学或自学提供参考。This article explored a comparative teaching method on the finite volume methods between body-fitted grids and unstructured grids.Based on typical case-based introduction,comparative and comprehensive discrimination strategies,this method provides the key points and implementation procedures for the comprehensive discrimination teaching on the critical theories involved in the irregular-area finite volume method,including the differences in the connotations of body-fitted and unstructured grids,as well as the differences in the implementation process,the similarities and differences in the governing equations and the essence of transformation between governing equations,and the adaptability to physical problems,between the body-fitted-grid and unstructured-grid finite volume method.This method provides reference for the teaching and self-study of numerical heat transfer and computational fluid dynamics.

关 键 词:数值传热学 贴体网格 非结构化网格 有限容积法 对比教学 

分 类 号:G642.0[文化科学—高等教育学]

 

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