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Hi alperturan, I want to apply infinite elements in the ABAQUS/Standard. Could you please, explain in-detail how to assign infinite elements? Thanks

Hey alperturan, Is there any progress about this topic?

I'm also interesting in this topic. Did you find how to go around with this problem?

I need to plot stress (s11,s12...) along the z-coordinated axis. Does anyone can me explain how to do that please??? Thx PS Sth. like this one http://www.azom.com/work/2sb1oSuJMS8e3TAKiTDf_files/image048.gif

Yes Brep it's working. Formatting was wrong.

Thanks brep for your help, It's working nice. I also wrote dload subroutine for the b-spline function and works proper.

Does anybody can check and and give me a tip about this subroutine.I wrote the subroutine which should distribute pressure over a certain surface as b - spline function. When I started the analysis i didn't get any file like msg. odb....I think that the problem is with subroutine-maybe variable...

Thanks brep, but I'm not familiar with Payton. I think that there is a way to define pressure distribution through the function "dload" as subroutine but i don't have any experience in that. Any suggestion is appreciated. Thanks.

Hi all, Does anybody know how can I define in ABAQUS CAE (analytical field) B-cubic symmetric function(B-spline) as pressure over certin surface? e.g. Gaussian function is in analytical field: pow(e,-(X^2+Y^2)*10) Thanks in advance!

No I'm not using automatic time incrementation. Interesting is that i have model that works but when i've changed node positions in input file (new geometry with wear surface) than i lost convergence in solution. This procedure is very good way to change geomerty without need to mesh part again...

Hi corus, thx for ur replay but, I'm using axi-symmetric geometry (half ball and half plate)in abaqus standard mode. In the message file i have NUMERICAL SINGULARITY on some nodes too. Maybe that can play some role,I am not sure. Also I included contact controls with automatic overcloser...

Hi all, I have an interesting problem with contact simulation. I'm simulating contact between ball and plate (Hertz theory) and that works quite nice. But when i changed position of nodes ( tring to include ball's and plate's wear surface) in 3 direction (1 and 2 stays same) i always stuck with...

And in job module go to command "Write Input"

I have simulated a simple contact - ball and plate. Contact is in one point and i have got nice results. But when i wonted to include motion in one direction in the new step i stuck with error msg. I tried to increase number of min.time increment, different formulation of contact, but all...