thanks Rakesh, thats really helped
best chandra On Fri, Aug 3, 2018 at 6:04 PM Rakesh <rakesh.srr.iit...@gmail.com> wrote: > Sry, I meant Stiffness matrix* not Stiffness element(in Step-3) > > > On Fri, Aug 3, 2018 at 8:26 AM, Rakesh <rakesh.srr.iit...@gmail.com> > wrote: > >> Hello Yaswanth, >> >> To create a dof for a particular mesh, these are steps you need to follow >> and this steps are covered in detail in tutorial-1 and 2. I suggest you to >> play around with the tutorial code to get comfortable, change the >> dimensions of the problem for example. >> >> *Step-1:* You need to create a Triangulation<1> object (here 1 refers to >> 1d mesh) and create a mesh for your problem in this Triangulation Object. >> With reference to Tuttorial-2, the following lines does the trick >> >> - Triangulation<2> >> <https://www.dealii.org/9.0.0/doxygen/deal.II/classTriangulation.html> >> triangulation; >> - make_grid (triangulation); : make_grid() is user >> defined function that create the required mesh using >> *GridGenerator::hyper_** functions >> >> *Step-2:* Once you create a 'triangulation' object, you need to define >> the reference Finite element with particular number of DoF per element as >> per your requirement. >> >> >> - static const FE_Q<dim> >> <https://www.dealii.org/9.0.0/doxygen/deal.II/classFE__Q.html> >> finite_element(p); : Here, 'dim' is the dimension of your >> problem, >> 'p' is the order of the shape function in the finite element >> >> Here, finite_element(1) create a linear element, which >> is 2-node line for dim =1 and 4-quad(bi-linear) element for dim = 2 >> >> *Step-3: *Create 'DoF_Handler' object and link it with the >> 'Triangulation' object containing your mesh. 'dof_handler' store all the >> data that is required by your solver. Let say you want to build the >> Stiffness element,you will do it using the data from the 'dof_handler'. >> >> - DoFHandler<2> >> <https://www.dealii.org/9.0.0/doxygen/deal.II/classDoFHandler.html> >> dof_handler (triangulation); >> >> *Step-4**:* In the last step, we create a 'dof_handler' corresponding to >> Triangulation data but haven't yet allocated any memory and doesn't contain >> any data to solve our problem. We distribute the memory in 'dof_handler' >> with the help of the reference cell 'finite_element(p)' as follows. >> >> - dof_handler.distribute_dofs >> >> <https://www.dealii.org/9.0.0/doxygen/deal.II/classDoFHandler.html#a553ca864aaf70330d9be86bc78f36d1e> >> (finite_element); >> >> Hope this was helpful >> >> Regards, >> Rakesh Raghavaraju >> > > -- > 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 dealii+unsubscr...@googlegroups.com. > For more options, visit https://groups.google.com/d/optout. > -- 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 dealii+unsubscr...@googlegroups.com. For more options, visit https://groups.google.com/d/optout.
