Dear Bangerth, Thank you very much. Regards Prashant
On Monday, December 16, 2019 at 11:29:12 PM UTC+5:30, Wolfgang Bangerth wrote: > > On 12/16/19 6:31 AM, Prashant Singh wrote: > > > > I am trying to solve an inverse problem in elasticity, where all dofs > are > > grouped into three categories. I have the below mentioned questions: > > > > 1. Is it possible to renumber the dofs as per their group, ie: dofs > > corresponding to a certain group should be clustered together. > > > > 2. After I have created the assembly matrix, I need to implement a > block-wise > > solver scheme. To do this, I need an access to a 3*3 block matrix (as > per the > > 3 individual groups) which results from reorganisation of the original > > stiffness matrix. Please provide your suggestions of how to do so > efficiently. > > > > I am a novice to deal.ii, and was not able to find the answers in > deal.ii > > documentation. So, requesting your kind help. > > Take a look at step-22 for example (many other tutorial programs do > similar > things), where we split the degrees of freedom in the Stokes equation > based on > whether they are velocities or pressures. > > Best > WB > > > -- > ------------------------------------------------------------------------ > Wolfgang Bangerth email: [email protected] > <javascript:> > www: http://www.math.colostate.edu/~bangerth/ > > -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/dealii?hl=en --- You received this message because you are subscribed to the Google Groups "deal.II User Group" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. To view this discussion on the web visit https://groups.google.com/d/msgid/dealii/ddfe1377-f752-4e46-bca0-79d7b7562261%40googlegroups.com.
