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热平衡积分法的分段线性细化

The Subsection Linear Refinement of the Heat Balance Integral Method
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摘要 通过对求解区间[0,s]均匀分划,在子区间中选择分段线性的细化方法对热平衡积分法进行细化,得到细化后的近似解析解的形式.通过研究表明,利用分段线性的细化方法对热平衡积分法进行细化能有效地提高近似解的精度. Through the uniform division of the solution interval[0,s],the subsection linear refinement method is selected in the sub-interval to refine the heat balance integral method,and the form of the refined approximate analytical solution is obtained.The results show that the accuracy of the approximate solution can be improved effectively by using the subsection linear refinement method to refine the integral method.
作者 罗佩芳 黄赞 LUO Pei-fang;HUANG Zan(Department of Basic Course,Guangzhou Maritime University,Guangzhou Guangdong 510725,China;School of Ship and Marine Engineering,Guangzhou Maritime University,Guangzhou Guangdong 510725,China)
出处 《广州航海学院学报》 2019年第4期73-76,共4页 Journal of Guangzhou Maritime University
基金 广东省教育厅质量工程项目(2019) 广东省教育厅高等教育教学改革项目(2019) 广州市教育科学规划项目(201911941) 广东省交通运输厅项目(科技2015-02-047) 广州航海学院“创新强校”项目(G320402,G320102,G320405,201911106018)
关键词 热平衡积分法 分段线性 细化 近似解析解 精度 heat balance integral method subsection linear refinement approximate analytical solution accuracy
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