Search found 68 matches

by Gary R
02 Mar 2019, 03:54
Forum: ElmerSolver
Topic: von karman instability
Replies: 13
Views: 642

Re: von karman instability (Solved)

Thanks for the help. The shortening of the time step pretty well solved everything. I'm still grappling with units in Elmer. Additional information in that area would be helpful. For most of the units it is just a matter of keeping the system consistent (cgs, mks etc.) Time on the other hand still t...
by Gary R
01 Mar 2019, 01:45
Forum: ElmerSolver
Topic: von karman instability
Replies: 13
Views: 642

Re: von karman instability

Hi, I installed the CSC-Elmer VirtualBox Mint .ova system. This took minimal fiddling to get it started. The keyboard came out Finnish which took some work to correct but works fine now. Unfortunately, the same problem still exists with the exception that the blank frames are gone (only 200 frames n...
by Gary R
22 Feb 2019, 03:34
Forum: ElmerSolver
Topic: von karman instability
Replies: 13
Views: 642

Re: von karman instability

Hi all; I've been trying to get this tutorial to work for several days. I have found that the problem converges if you reduce the Nonlinear System relaxation to 0.1. Unfortunately, the output is 400 vtu files with every other one blank instead to 200 files. The first file seems to be correct i.e. in...
by Gary R
12 Feb 2019, 02:58
Forum: Installation & compilation
Topic: make problems
Replies: 2
Views: 206

Re: make problems

Hi all, After looking around and reading a bit I finally fixed this. If you go into the CMakeLists.txt file and change the following code # Check if Fortran compiler supports contiguous keyword INCLUDE(testContiguous) IF(CMAKE_Fortran_COMPILER_SUPPORTS_CONTIGUOUS) ADD_DEFINITIONS(-DCONTIG=CONTIGUOUS...
by Gary R
09 Feb 2019, 23:24
Forum: Installation & compilation
Topic: make problems
Replies: 2
Views: 206

make problems

Hi all, i'm trying to add some capability to my Elmer build and am having make error problems. My setup is: Debian Buster(testing) Cmake 3.13.2 compiled with Qt5.11.3 Elmerfem-8.4 of Jan 11 2019 source file With: contrib elmergrid elmergui matc mpi occ openmp paraview qwt vtk Cmake generates the Mak...
by Gary R
29 Jan 2019, 23:22
Forum: ElmerSolver
Topic: adding youngs modulus as a function of stress
Replies: 12
Views: 788

Re: adding youngs modulus as a function of stress

Thanks for the reply Peter. My main problem is that I have no idea how to use variables in MATC. The variable t(x) shows up in all of the various manuals. But no where can I find a good explanation for how to assign t(x) to a particular quantity (and I don't mean x=a). What are the dependent variabl...
by Gary R
26 Jan 2019, 03:18
Forum: ElmerSolver
Topic: adding youngs modulus as a function of stress
Replies: 12
Views: 788

adding youngs modulus as a function of stress

Hi all, My specific problem is that I wish to have young's modulus (Y) value as a function of stress. I wish it to go to zero when the stress gets to the breaking stress of the material. Could some one show me an MATC formula for this. Assume isotropic conditions. My more general problem is that I c...
by Gary R
29 Dec 2018, 23:38
Forum: Installation & compilation
Topic: Adding OCC, Trilinos or mumps Elmer wont build
Replies: 3
Views: 1088

Re: Adding OCC, Trilinos or mumps Elmer wont build

Trying a new build with up to date Trilinos and am getting Elmer build errors: Checking whether /usr/bin/f95 supports OpenMP 4.0 -- no CMake Warning at /usr/local/lib/cmake/Trilinos/TrilinosConfig.cmake:158 (MESSAGE): Component "Pike" NOT found. Call Stack (most recent call first): CMakeLists.txt:19...
by Gary R
24 Mar 2018, 03:20
Forum: ElmerSolver
Topic: Time Step confusion (SOLVED)
Replies: 2
Views: 664

Re: Time Step confusion

Thank you very very much.

Gary R
by Gary R
24 Mar 2018, 01:13
Forum: Installation & compilation
Topic: Adding OCC, Trilinos or mumps Elmer wont build
Replies: 3
Views: 1088

Re: Adding OCC, Trilinos or mumps Elmer wont build

This post has been laying here for almost a month. 108 people have looked at it. Not one person has commented. Do I have insufficient information included? What would I have to add to get an answer?

Please reply

Gary R