Re: [deal.II] Preconditioner for asymmetric matrix-free style matrix

2021-10-23 Thread Chengjiang Yin
doable choice would be the *PreconditionJacobi + > GMRES on the inner levels and AMG + GMRES solver on the coarse grid*? > > Since I am still learning this amazing library and not familiar with the > framework. Feel free to correct me if I got anything wrong. > > Regards, >

[deal.II] Re: MPI and Docker

2021-12-16 Thread Chengjiang Yin
#x27;--with-devel-headers' '--with-slurm' '--with-sge' '--without-tm' '--sysconfdir=/etc/openmpi' ' *--libdir=${prefix}/lib/x86_64-linux-gnu/openmpi/lib*' ' *--i

[deal.II] GMRES residual jump at restart when using multigrid matrix-free method

2022-02-07 Thread Chengjiang Yin
me like a misbehave related to *PreconditionMG*. Does anyone have idea on how this happens or why it should just jump if I get it wrong. Thanks! Regards, Chengjiang Yin P.S. I've already opened an issue <https://github.com/dealii/dealii/issues/13297> about this on the github repo and no r

[deal.II] Some step tutorials break in the current documentation

2022-05-20 Thread Chengjiang Yin
round. Hope you can fix this soon! Regards, Chengjiang Yin -- 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

[deal.II] Re: CylindricalManifold set manually does not work correctly

2022-10-14 Thread Chengjiang Yin
; [image: refine-2.png] > > Attached is a demo to generate these two meshes. I'm not sure if this is a > bug of *CylindricalManifold* or I do not use it in the right way. > > Regards, > Chengjiang Yin > -- The deal.II project is located at http://www.dealii.org/ For m

[deal.II] Modules page disappears in online doc

2024-01-18 Thread Chengjiang Yin
apping, Matrix Free) are still available. Regards, Chengjiang Yin -- 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 "d

[deal.II] Does MatrixFree need to reinit when boundary_id changes?

2024-07-29 Thread Chengjiang Yin
*tasks_parallel_scheme=none*. Does the matrix free only cache the mapping info of boundary face or does it pre partitioned the face it into different groups? Regards, Chengjiang Yin -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https

[deal.II] Re: Does MatrixFree need to reinit when boundary_id changes?

2024-07-31 Thread Chengjiang Yin
e > face it into different groups? > > Regards, > Chengjiang Yin > > -- 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

Re: [deal.II] Re: Does MatrixFree need to reinit when boundary_id changes?

2024-08-02 Thread Chengjiang Yin
MatrixFree? I take a look at the MatrixFree impl and it seems that only MatrixFree::initialize_indices and FaceSetup:: generate_faces are related to the exact boundary id and partition. Is it possible I only do some part of the *internal_reinit* during each update? Regards, Chengjiang Yin 在2024年8月1日星期

[deal.II] Does multiple matrix free from one tria gives out the same cell batch id

2025-01-23 Thread Chengjiang Yin
? Regards, Chengjiang Yin -- 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

[deal.II] Re: Does multiple matrix free from one tria gives out the same cell batch id

2025-01-23 Thread Chengjiang Yin
he FE, the partition_scheme (none/color/parallel *etc.*)? I didn't find the explicit initialization in `matrix_free.templates.h`. It should within the function `compute_dof_info`. Regards, Chengjiang Yin 在2025年1月24日星期五 UTC+8 00:30:15 写道: > Hi ChengJiang , > Martin answered this same questi

[deal.II] Does MatrixFree support multiple different types of Quadrature formula?

2025-02-18 Thread Chengjiang Yin
(2), QGaussLobatto<1>(3)} ) I have checked the tutorials and test cases and didn't find any example of using this reinit function. Regards Chengjiang Yin -- The deal.II project is located at http://www.dealii.org/ For mailing list/forum options, see https://groups.google.com/d/forum/

Re: [deal.II] Does MatrixFree support multiple different types of Quadrature formula?

2025-02-19 Thread Chengjiang Yin
ate parameter and it would automatically convert to its base class like mf_data.reinit<*Quadrature<1>*, double, Mapping>( mapping, {&dof1, &dof2}, {&constraint1, &constraint2}, *{QGauss<1>{2}, QGaussLobatto<1>{3}}*, additional_data ) Regards, Ch