Tag Archives: accuracy

Accuracy, Convergence and Mesh Quality

Posted on July 5, 2012 by John Chawner

[This article was first published in the May/June 2012 issue of The Connector. It was so popular there it’s reposted here to reach a broader audience.] “We know embarrassingly little about how the mesh affects the CFD solution,” said Prof. … Continue reading →

Posted in Events, Software | Tagged , , , , , , , , , , , , | 27 Comments

Is CFD Stuck in an Ivory Tower?

Posted on February 6, 2012 by John Chawner

A reader asked whether CFD is an “ivory tower” tool and, if so, what would it take to make CFD more reliable. The simple answers are “no” and “validation and verification.” But nothing is that simple. CFD Is One Big … Continue reading →

Posted in Applications, Events, Software | Tagged , , , , | 7 Comments

There’s More to CFD Convergence than Reading the Manual

Posted on April 7, 2011 by John Chawner

What can you do to ensure your computational fluid dynamics (CFD) solutions converge?  Everyone who runs CFD codes, from novice to expert, needs to know the answer to this question. NAFEMS, an independent, international authority on the use of computer … Continue reading →

Posted in Applications, Software | Tagged , , , | 4 Comments