[deal.II] METIS partition error

2020-07-26 Thread yuesu jin
Dear all, I am running step-17 by mpirun, it returns the error message below: ** Exception on processing: An error occurred in line <69> of file

Re: [deal.II] Point receivers

2020-07-26 Thread yuesu jin
Dear Daniel, Thank you very much! It solves my question! Best wishes, Yuesu On Sun, Jul 26, 2020 at 5:55 PM Daniel Arndt wrote: > Yuesu, > > Have a look at FEFieldFunction ( > https://www.dealii.org/current/doxygen/deal.II/classFunctions_1_1FEFieldFunction.html) > for the case that the

Re: [deal.II] Complex-valued distributed matrices in dealii

2020-07-26 Thread Wolfgang Bangerth
Pascal, Originally, I only knew Trilinos because I used the distributed matrices and vectors in my application. I also knew that there is a configuration of trilinos to make complex numbers available in all packages that support it. However, from what I can tell, that only effects Tpetra

Re: [deal.II] Point receivers

2020-07-26 Thread Daniel Arndt
Yuesu, Have a look at FEFieldFunction ( https://www.dealii.org/current/doxygen/deal.II/classFunctions_1_1FEFieldFunction.html) for the case that the interpolation points don't coincide with support points for nodal elements. Otherwise, you can use DoFTools::map_dofs_to_support_points (

[deal.II] Point receivers

2020-07-26 Thread yuesu jin
Dear all, I am working on an elastic wave simulation code which needs to set up receivers on the surface boundaries to record the waveform. In this case, how can I link the point coordinate with the dof handlers and extract values from the solution vector? Thank you! Best regards, -- Yuesu

Re: [deal.II] Complex-valued distributed matrices in dealii

2020-07-26 Thread Pascal Kraft
The documentation states that Tpetra supports - MPI - Shared memory parallelization: (OpenMP, CUDA, Posix) and: Scalar: A Scalar is the type of values in the sparse matrix or dense vector. This is the type most likely to be changed by many users. The most common use cases are float, double,

Re: [deal.II] Complex-valued distributed matrices in dealii

2020-07-26 Thread Pascal Kraft
Hi Wolfgang, here is what I found out about the topic: Originally, I only knew Trilinos because I used the distributed matrices and vectors in my application. I also knew that there is a configuration of trilinos to make complex numbers available in all packages that support it. However, from