Two simple ansys questions
Two simple ansys questions
(OP)
Hello i have goten in some problems with my ansys model :(
1.How do you put pressure on lines on a solid model, now I place forces on each nod for hand, which is quit time consuming (i would guess that they want it 2d, but then i have to make a very very small area).
2 How do you deactivate certain elements for being listed or plotted? (commando?)
Thx for any help!
Kindly Paul-Martin
1.How do you put pressure on lines on a solid model, now I place forces on each nod for hand, which is quit time consuming (i would guess that they want it 2d, but then i have to make a very very small area).
2 How do you deactivate certain elements for being listed or plotted? (commando?)
Thx for any help!
Kindly Paul-Martin





RE: Two simple ansys questions
For your first point :
Preprocessor/Loads/Define loads/Apply/structural/pressure/on lines
then select the lines where the pressure has to be applied.
I hope this will help you
Regards
RE: Two simple ansys questions
RE: Two simple ansys questions
Srry ...
RE: Two simple ansys questions
Go to:
PlotCtrls>Symbols
and then go to the [/psf] surface load symbols box and select "Pressures", then go also to "Show pres and convect as" box and choose "arrows". Your pressures in the model should show as lines.
I have found that this doesn't always work, so to make sure you can transfer the solid model loads to the FE model using the command:
SBCTRAN
You will then see the load appear.
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RE: Two simple ansys questions
I got the following error message when i used the Sbctran command
Selected areas attached to line 31 are not meshed. Surface load PRES on this line is not transferred. Loads will be transferred to meshed areas attached to this line.
RE: Two simple ansys questions
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RE: Two simple ansys questions
That is why i hope i have missed something :( ...
RE: Two simple ansys questions
Hi,
if your model is 3D, I can't imagine how you would apply pressure on lines: What direction, what area??
So is your model 3D or 2D?
Alex
RE: Two simple ansys questions
"Selected areas attached to line 31 are not meshed. Surface load PRES on this line is not transferred. Loads will be transferred to meshed areas attached to this line."
just tells you that ANSYS cannot transfer the loads applied to the lines onto the mesh because you haven't meshed the model yet. This will not be the problem, since as soon as you mesh the model ANSYS automatically issues the SBCTRAN command internally anyway. You should mesh the model and then re-issue the SBCTRAN command? Then you issue SFELIST -- or similar -- to see the value of the loads you applied.
But I agree with you: I think you've missed something.
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RE: Two simple ansys questions
1. Use the command "SFL", but You must be sure that the line is a part of the meshed structure/wolume and must be meshed (conected with for example the volume mesh).
2. To deactivate certain elements for being listed or plotted is the command esel,u,,,123 (unselected the element number 123 for example)or esel,s,,,123,178 (to select elements from 123 to 178), also are usuful "nsel" comand (for the nodal solution) and others nsll, esll (to select the nodes and elements from just selected lines) or nsla, esla (from area) and nslv, eslv (from volume)