An Improved Specified Finite Particle Method and Its Application to Transient Heat Conduction

Wang Lu; Xu Fei; Yang Yang

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An Improved Specified Finite Particle Method and Its Application to Transient Heat Conduction

机译：改进的指定有限颗粒方法及其在瞬态导热的应用

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摘要

Compared with the traditional Smoothed Particle Hydrodynamics (SPH), Finite Particle Method (FPM) has higher accuracy for boundary region. However, there are still two inherent defects which are the time consuming and the numerical instability in FPM. In this paper, a high-order algorithm based on the Taylor series expansion and the matrix theory is proposed and the corresponding particles selected mode is discussed. It is validated that the algorithm has higher-order accuracy than the previous low-order improvement algorithm for FPM. Further, transient heat conduction examples have been discussed to verify the feasibility and effectiveness of the new algorithm.

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来源
《International journal of computational methods》 |2017年第5期|共14页
作者
Wang Lu; Xu Fei; Yang Yang;
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作者单位

Inst Computat Mech &

Applicat Xian 710072 Shaanxi Peoples R China;

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原文格式 PDF
正文语种 eng
中图分类数学;
关键词
Finite particle method; specified finite particle method; accuracy; computational time;

机译：有限颗粒法;指定的有限粒子方法;准确性;计算时间;

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5. An Improved Specified Finite Particle Method and Its Application to Transient Heat Conduction [J] . Wang Lu, Xu Fei, Yang Yang International journal of computational methods . 2017,第5期

机译：改进的指定有限颗粒方法及其在瞬态导热的应用
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An Improved Specified Finite Particle Method and Its Application to Transient Heat Conduction

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