Particle difference method for hydrogen permeation through tubular membranes

被引：0

作者：

da Cruz, A. G. B. ^{[1
]}

Zio, S. ^{[2
]}

Souza, A. C. ^{[3
]}

Duda, F. P. ^{[4
,5
]}

机构：

[1] Fed Univ Para, Fac Mech Engn, ITEC, BR-66075900 Belem, PA, Brazil

[2] Univ Fed Rio de Janeiro, Mech Engn Program, COPPE, BR-21945970 Rio De Janeiro, RJ, Brazil

[3] Fluminense Fed Univ, Mech Engn Program PGMEC, Niteroi, RJ, Brazil

[4] Univ Fed Rio de Janeiro, Mech Engn Program, COPPE, BR-21945970 Rio De Janeiro, RJ, Brazil

[5] Univ Fed Rio de Janeiro, Nanoengn Program, COPPE, BR-21945970 Rio De Janeiro, RJ, Brazil

来源：

JOURNAL OF THE BRAZILIAN SOCIETY OF MECHANICAL SCIENCES AND ENGINEERING | 2018年 / 40卷 / 11期

关键词：

Particle difference method; Strong formulation; Hydrogen; Stress-induced diffusion; TRANSPORT;

D O I：

10.1007/s40430-018-1424-x

中图分类号：

TH [机械、仪表工业];

学科分类号：

0802 ;

摘要：

This paper presents a particle difference method (PDM) for simulating stress effects on hydrogen permeation through tubular membranes. The PDM directly discretizes the strong form of the equations governing the coupling between hydrogen diffusion and deformation in elastic solids under small strain. The method approximates a solution to the hydrogen chemical potential and solid displacement fields using a moving least squares approximation of the Taylor expansion through pointwise computation at collocation points. The applicability of the PDM is demonstrated through numerical results for hydrogen permeation through a Pd-based tubular membrane which are compared with those obtained from the conventional finite element method.

引用

页数：9

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