neumann boundary condition for a vector valued continuous FE equation using matrix free

[Ray Mclaren]

Hi, 

I am solving a vector valued equation (mechanical equilibrium) using dealii's matrix free infrastructure. 

Although the library has several examples on how to apply neumann BC using matrix free most are either scalar equations and using DG methods. 

Is there an example of continuous  vector valued problems using Matrix free method ?

Thank you 

[Wolfgang Bangerth]

Ray -- Neumann boundary conditions lead to terms on the right hand side, which
you can build in the traditional way since no matrix is involved.

Best
W.


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Wolfgang Bangerth email: bang...@colostate.edu
www: http://www.math.colostate.edu/~bangerth/