A unified variational approach for coupling 3D-1D models and its blood flow applications

P.J. Blanco; R.A. Feijoo; S.A. Urquiza

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A unified variational approach for coupling 3D-1D models and its blood flow applications

机译：A unified variational approach for coupling 3D-1D models and its blood flow applications

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摘要

In this work, we propose an extended variational formulation in order to handle the problem of the flow of an incompressible fluid in compliant vessels with discontinuous fields. This approach makes possible to tackle in a consistent variational manner problems like the coupling between models of different dimensionality. The main ideas of the work are presented for a simple heat transfer problem and then are used in the context of modelling blood flow in large vessels. A computational implementation of the proposed formulation is also shown and discussed by presenting examples of practical applications.

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《Computer Methods in Applied Mechanics and Engineering》 |2007年第44期|4391-4410|共20页
作者
P.J. Blanco; R.A. Feijoo; S.A. Urquiza;
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作者单位

LNCC, Laboratorio National de Computagdo Cientifica, Av. Getulio Vargas 333, Quitandinha, 25651-075 Petropolis, RJ, Brazil;

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收录信息美国《科学引文索引》(SCI);美国《工程索引》(EI);
原文格式 PDF
正文语种英语
中图分类自动化基础理论;工程基础科学;
关键词
variational formulation; discontinuous fields; coupling conditions; multidimensional models; hemodynamics;

A unified variational approach for coupling 3D-1D models and its blood flow applications

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