Re: [deal.II] Open source finite element preprocessor

2023-03-18 Thread Kaushik Das 
Thank you Marco. Trame looks promising.
-Kaushik

On Wed, Jan 18, 2023 at 11:40 AM Marco Nawijn 
wrote:

> Hi,
>
> Maybe Trame is an option for you?
> You have to build something yourself, but a lot of the complexity is
> hidden.
>
> https://kitware.github.io/trame/
>
> Marco
>
> On Wed, Jan 18, 2023, 4:05 PM Kaushik Das  wrote:
>
>> Hi all,
>> I have been using deal.ii for a while. I would like to create a simple
>> but customized preprocessor for my deal.ii application.
>>
>> Please suggest any customizable open-source FE analysis preprocessor that
>> I can use as a base to build on.
>>
>> I am looking for something that will visualize 3D geometry, and have some
>> basic picking (registering x,y,z of mouse clicks), and UI functionality.
>> This UI will write a prm file that can then be sent to deal.ii.
>>
>> I am looking for something that is dealii_parameter_gui + 3D geometry
>> visualization + mousing click picking.
>>
>> I am not looking for a mesh generator. I generate mesh using deal.ii
>> functionality. I am not looking for a post-processor or results visualizer,
>> I am very happy to use ParaView for post-processing.
>>
>> Thank you very much for your help.
>> Kaushik
>>
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>> 
>> .
>>
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> .
>

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[deal.II] Building with TRILINOS and SEACUS

2023-03-18 Thread Kaushik Das 
Hello all,
I built Trilinos from source on a RedHat 7.9 enterprise server and then 
tried to building deallii with Trilinos support but I keep getting errors 
like this one below: 

-- Enabled Kokkos devices: SERIAL
-- Found EPETRA_CONFIG_H
-- TRILINOS_LIBRARY_ROL::all_libs not found! The call was:
-- FIND_LIBRARY(TRILINOS_LIBRARY_ROL::all_libs NAMES ROL::all_libs 
HINTS NO_DEFAULT_PATH NO_CMAKE_ENVIRONMENT_PATH NO_CMAKE_PATH 
NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_SYSTEM_PATH NO_CMAKE_FIND_ROOT_PATH)
-- TRILINOS_LIBRARY_Tempus::all_libs not found! The call was:
-- FIND_LIBRARY(TRILINOS_LIBRARY_Tempus::all_libs NAMES 
Tempus::all_libs HINTS NO_DEFAULT_PATH NO_CMAKE_ENVIRONMENT_PATH 
NO_CMAKE_PATH NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_SYSTEM_PATH 
NO_CMAKE_FIND_ROOT_PATH)

... (similar errors) 

_CMAKE_FIND_ROOT_PATH)
-- TRILINOS_LIBRARY_KokkosCore::all_libs not found! The call was:
-- FIND_LIBRARY(TRILINOS_LIBRARY_KokkosCore::all_libs NAMES 
KokkosCore::all_libs HINTS NO_DEFAULT_PATH NO_CMAKE_ENVIRONMENT_PATH 
NO_CMAKE_PATH NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_SYSTEM_PATH 
NO_CMAKE_FIND_ROOT_PATH)
-- TRILINOS_LIBRARY_Gtest::all_libs not found! The call was:
-- FIND_LIBRARY(TRILINOS_LIBRARY_Gtest::all_libs NAMES Gtest::all_libs 
HINTS NO_DEFAULT_PATH NO_CMAKE_ENVIRONMENT_PATH NO_CMAKE_PATH 
NO_SYSTEM_ENVIRONMENT_PATH NO_CMAKE_SYSTEM_PATH NO_CMAKE_FIND_ROOT_PATH)
--   TRILINOS_VERSION: 14.1
--   TRILINOS_LIBRARIES: *** Required variable 
"TRILINOS_LIBRARY_ROL::all_libs" set to NOTFOUND ***
--   TRILINOS_LIBRARIES: *** Required variable 
"TRILINOS_LIBRARY_Tempus::all_libs" set to NOTFOUND ***
--   TRILINOS_LIBRARIES: *** Required variable 
"TRILINOS_LIBRARY_MueLu::all_libs" set to NOTFOUND ***


But I do have those libraries built and installed in the default location

$ ls -l /usr/local/lib/libkokkosalgorithms.so*
lrwxrwxrwx. 1 root root25 Mar 18 12:24 
/usr/local/lib/libkokkosalgorithms.so -> libkokkosalgorithms.so.14
lrwxrwxrwx. 1 root root27 Mar 18 12:24 
/usr/local/lib/libkokkosalgorithms.so.14 -> libkokkosalgorithms.so.14.1
-rwxr-xr-x. 1 root root 15288 Mar 18 12:02 
/usr/local/lib/libkokkosalgorithms.so.14.1

$ ls -l /usr/local/lib/librol*
lrwxrwxrwx. 1 root root12 Mar 18 12:24 /usr/local/lib/librol.so -> 
librol.so.14
lrwxrwxrwx. 1 root root14 Mar 18 12:24 /usr/local/lib/librol.so.14 -> 
librol.so.14.1
-rwxr-xr-x. 1 root root 19560 Mar 18 12:24 /usr/local/lib/librol.so.14.1

$ ls -l /usr/local/lib/*empus*
lrwxrwxrwx. 1 root root  15 Mar 18 12:24 /usr/local/lib/libtempus.so -> 
libtempus.so.14
lrwxrwxrwx. 1 root root  17 Mar 18 12:24 /usr/local/lib/libtempus.so.14 
-> libtempus.so.14.1
-rwxr-xr-x. 1 root root 7116480 Mar 18 12:23 
/usr/local/lib/libtempus.so.14.1



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[deal.II] Re: Remove constraints at some DoF

2023-03-18 Thread 'yy.wayne' via deal.II User Group 
Thansk Peter.  Appreciate your feedback.

Best,
Wayne

在2023年3月18日星期六 UTC+8 16:24:55 写道：

> I don't see a remove function in AffineConstraints. What you could do is 
> to create a new AffineConstrains instance based on the old one by ignoring 
> the unwanted entry. See also: 
> https://github.com/dealii/dealii/blob/a654d1fe45cc11c9dbbbcaaef6f53320f459baa2/include/deal.II/lac/affine_constraints.templates.h#L526-L541
>
> > I only see mixed order formulation but not  mixed element type in 
> tutorials.
>
> Maybe you could take a look at the `tests/` folders. Maybe there is an 
> example!?
>
> Hope this helps,
> Peter
>
> On Saturday, March 18, 2023 at 4:09:57 AM UTC+1 yy.wayne wrote:
>
>> Another question relates to singular field that, do we support mixed 
>> finite elements (with cg elements and dg elements at different location)? 
>> I only see mixed order formulation but not  mixed element type in 
>> tutorials.
>>
>> 在2023年3月18日星期六 UTC+8 09:45:50 写道：
>>
>>> Hello my friends,
>>>
>>> I'm working on problems with singularity fields. Is it possible to 
>>> remove a constraint line/entry at specific DoF? Say at the edge of a corner 
>>> in 3d, the two faces intersect at the corner are already interpolate with 
>>> zero boundary condition. However I want to un-constraint the DoF exactly at 
>>> the corner rather on faces (for FE_Q elements). Is there a function to 
>>> remove constraint on already constrained DoFs?
>>>
>>

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[deal.II] Re: Remove constraints at some DoF

2023-03-18 Thread Peter Munch 
I don't see a remove function in AffineConstraints. What you could do is to 
create a new AffineConstrains instance based on the old one by ignoring the 
unwanted entry. See 
also: 
https://github.com/dealii/dealii/blob/a654d1fe45cc11c9dbbbcaaef6f53320f459baa2/include/deal.II/lac/affine_constraints.templates.h#L526-L541

> I only see mixed order formulation but not  mixed element type in 
tutorials.

Maybe you could take a look at the `tests/` folders. Maybe there is an 
example!?

Hope this helps,
Peter

On Saturday, March 18, 2023 at 4:09:57 AM UTC+1 yy.wayne wrote:

> Another question relates to singular field that, do we support mixed 
> finite elements (with cg elements and dg elements at different location)? 
> I only see mixed order formulation but not  mixed element type in 
> tutorials.
>
> 在2023年3月18日星期六 UTC+8 09:45:50 写道：
>
>> Hello my friends,
>>
>> I'm working on problems with singularity fields. Is it possible to remove 
>> a constraint line/entry at specific DoF? Say at the edge of a corner in 3d, 
>> the two faces intersect at the corner are already interpolate with zero 
>> boundary condition. However I want to un-constraint the DoF exactly at the 
>> corner rather on faces (for FE_Q elements). Is there a function to remove 
>> constraint on already constrained DoFs?
>>
>

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