). In this blog, I will try to post links and articles - which uses matlab for CFD (/ general numerical) calculations.Website maintained in the mech and material science dept., oregon
http://web.cecs.pdx.edu/~gerry/class/ME448/codes/
has some nice listing of matlab codes for 1D, 2D finite volume based calculations !! A nice start for beginners and others who look to use Matlab for their scientific needs.
Discussions in the good groups on whether or not Matlab could be used in the CFD world was interesting:
http://groups.google.com/group/comp.soft-sys.matlab/browse_thread/thread/09dae3365cd4fa39
How about some nice shallow water modeling (CFD) using matlab: The file is available for download from the matlab central server
http://www.mathworks.com/matlabcentral/fileexchange/17716
I found a paper on
1. CFD graphical interface using Matlab: http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.90.3658&rep=rep1&type=pdf
2. 2D Airfoil optimization using CFD (matlab based) : http://citeseerx.ist.psu.edu/viewdoc/download?doi=10.1.1.108.854&rep=rep1&type=pdf
3. Thesis work: CFD program to model pressure distribution of melt flow using Matlab
http://www.me.umn.edu/~td/Lewandowski-Thesis.pdf
4. Discussions on SIMPLE algorithm in Matlab
http://www.mathworks.de/matlabcentral/newsreader/view_thread/246199
In the pre-processing segment, the use of matlab has been extensive as well:
1. DistMesh: a simple mesh generator using matlab can be found here (http://www-math.mit.edu/~persson/mesh/) . Nice application for unstructured triangular and tetrahedral meshes.
2. Gridgen: a matlab based orthogonal grid generator to construct orthogonal curvilinear grids is available here.
http://woodshole.er.usgs.gov/operations/modeling/gridgen/
The gridgen site has tutorials and details for download and installation.
3. The cornell based QMG package does finite element mesh generation in two and three dimensions
http://www.cs.cornell.edu/home/vavasis/qmg-home.html
For some fundamental functions usage and programming for coding the entire CFD structure or in parts (pre / post processing) these books may be helpful.
1. MATLAB Programming for Engineers
2. An Introduction to Programming and Numerical Methods in MATLAB
3. Engineering Analysis: Interactive Methods and Programs with FORTRAN, QuickBASIC, MATLAB, and Mathematica
) are often complex and requires complex mathematical treatment at the interfaces defining the fluid boundaries. Modeling the interfacial effects have been the core research for multi-fluid researchers. Often, a typical multi-scale phenomena that needs to be simulated is broken down into different zones identified by the acting scales and then "modeled" based on the acting physics. The work is still on-going but has definitely met with a lot of success and is often the default setting in major industrial practices [
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), variable macro description and usage, journal files, batch execution, automatic adaptation, optimization (including procedure). A good reference that comes handy.
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). Its now a matter of when would these "opensource" applications would take over the commercial ones ! 
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provides a good understanding of the reacting multiphase flows with elaborate simulation examples.