If you want to see how Windows Workflow Foundation can be used for technical computing, then you can read the Southampton Institute's paper entitled 'Leveraging Windows Workflow Foundation for Scientific Workflows in Wind Tunnel Applications' here...
http://www.soton.ac.uk/~ktakeda/downloads/SciFlow06PersonalUse.pdf
Find out more about Windows Workflow Foundation here...
http://msdn2.microsoft.com/en-us/netframework/aa663328.aspx
And keep up to date with Paul Andrew's blog @ http://blogs.msdn.com/pandrew/default.aspx