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MULTIGRID SOLUTION OF FLAME SHEET PROBLEMS ON SERIAL AND PARALLEL COMPUTERS*

 

作者: CRAIGC. DOUGLAS,   ALEXANDRE ERN,   MITCHELLD. SMOOKE,  

 

期刊: Parallel Algorithms and Applications  (Taylor Available online 1997)
卷期: Volume 10, issue 3-4  

页码: 225-236

 

ISSN:1063-7192

 

年代: 1997

 

DOI:10.1080/10637199708915619

 

出版商: Taylor & Francis Group

 

关键词: Multigrid;combustion;flame sheet;Navier-Stokes;vorticity-velocity;nonlinear methods;iterative methods;parallel computing

 

数据来源: Taylor

 

摘要:

Flame sheet problems are on the natural route to the numerical solution of detailed chemistry, laminar diffusion flames, which, in turn, are important in many engineering applications. In order to model the flame structure more accurately, we use the vorticity-velocity formulation of the fluid flow equations instead of the more traditional stream function-vorticity approach. The numerical solution of the resulting nonlinear coupled elliptic partial differential equations involves damped Newton iterations, adaptive grid procedures, and multigrid methods. We focus on nonlinear damped Newton multigrid, using either one way or correction schemes. Results on serial and parallel processors are presented.

 

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