excessive distortion error abaqus East Bank West Virginia

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excessive distortion error abaqus East Bank, West Virginia

Join for free An error occurred while rendering template. Technical questions like the one you've just found usually get answered within 48 hours on ResearchGate. If so what are the settings and has it reduced the amount of distorted elements you receive? For contact: surface to surface but with Penalty method. > > What's your remeshing rule?

I've tried adjusting the ALE meshing settings to help a bit (I've increased the frequency as well as the remeshing sweeps per increment) but it still keeps on crashing. I reduce it to 0.01 to see the results.  Jan 22, 2015 Martin Baeker · Technische Universität Braunschweig One further thing to check is hourglassing (if you use linear reduced integration elements You have too many elements with sharp angle in both the tool and the piece and C3D8 elements won't do a nice job under large deformations. rgreq-641b7bab2d5414248cef5ea88ca926c4 false For full functionality of ResearchGate it is necessary to enable JavaScript.

Arrazola how has been working on that the last 10 years. Read our cookies policy to learn more.OkorDiscover by subject areaRecruit researchersJoin for freeLog in EmailPasswordForgot password?Keep me logged inor log in with ResearchGate is the professional network for scientists and researchers. It's not clear how you supported the solid, but you might want to simply support it on the bottom on the direction of the force (that is if you don't have All rights reserved.

Here are the instructions how to enable JavaScript in your web browser. Thanks for your help. iMechanica is powered by Drupal, and hosted at the Harvard School of Engineering and Applied Sciences. I've tried every setting in ABAQUS explicit suitable for my model and found that the elements get only compresses further and further and only delay but not avoid distortion.

How to add an image How to post an entry Journal Club Lecture notes RSS Feeds FAQ Recent comments Dear Rui Huang19 hours 53 min ago Abaqus mailing list1 day 17 Thanks Bye Reply With Quote 2009-06-22,19:51 #6 Jorgen View Profile View Forum Posts View Articles Administrator Join Date 2000-02 Location Boston, USA Posts 3,622 Hmm, strange. the step chosen is dynamic, temp-disp, explicit and am stuck at solving distortion of mesh due to the rigid tool. Free forum by Nabble Edit this page

Hope this help. Dec 14, 2015 All Answers (23) Deepak Kumar · Maharishi Markandeshwar University, Mullana Hi,  have you activated distortion control in abaqus? Dec 14, 2015 Muhammed Çakır · Middle East Technical University Same issue that I am having. Our Forum contains thousands of questions and answers related to finite element modeling of polymers.

Ideally, this would remove the top layer of material from the work piece. On Tue, Aug 13, 2013 at 8:17 AM, era.alepa <[hidden email]> wrote: > ** > > > No, I can't apply a remeshing rule in the model in my step procedure, The contact property uses tangential behavior with a friction coefficient of 0.15. I have the same problem. > > In my case I used an explicit analysis with Quadrilateral Coupled Temperature-Displacement elements(CPE4RT).

Also, check the element type whether you are using the element type with reduced integration (hourglass effect). Navid Soltani, Yes, I my nlgeom is turned On in the simulation that I ran. I have just tried to put only geostatic step and applied only Grav command.   Here is the input step file: *STEP,INC=5000, UNSYMM=YES, NLGEOM *GEOSTATIC *MONITOR,NODE=2201,DOF=2 *BOUNDARY  BASE, 2  AXIS, 1 Sign up today to join our community of over 10+ million scientific professionals.

I assume that this is an explicit model with material removal; it might be that your failure criterion is too strict. Best wishes Jun 8, 2015 Qingqing Zhao · University of Nottingham Khaled, it seems that the element deletion in abaqus/implicit is only for visualization purpose. I have mentioned the density of water instead of unit weight. Use Abaqus/Implicit if possible; 2. Partition both the tool and the piece along the principal planes (make sure the partitions coincide); 3. Use regular quadratic elements to optimize the mesh quality.

If yes, what are the material parameters required for the same? Then use hexaedral to mesh each of the 4 pieces? Althrough I have pursued the same procedure as mentioned in the tutorial, Still I am having same problem. keep changing your parameters/mesh size/ and check the consistency of units.

Read our cookies policy to learn more.OkorDiscover by subject areaRecruit researchersJoin for freeLog in EmailPasswordForgot password?Keep me logged inor log in with ResearchGate is the professional network for scientists and researchers. For my boundary condition, I've fixed both x and y axisymmetric on the workpiece on the initial step and a boundary condition on the die to deform down 20 units for Jun 8, 2015 P M G BASHIR Asdaque · National Institute of Technology Rourkela I have axisymmetric problem. Run the simulation with the built-in isotropic, linear elastic material and see if you get the same results.

Thanks. Technical questions like the one you've just found usually get answered within 48 hours on ResearchGate. On Tue, Sep 14, 2010 at 9:28 PM, sujan dutta <[hidden email]>wrote: > > > Hi rajaneesh! > > Thanks for the post. > > My element is CAX8RP that do Got a question you need answered quickly?

However, from the sounds of it I'd guess a linear elastic material response may not be the most appropriate choice. Since i am not aware of geo, i cannot understand about the element type. Thanks in advance! CONVERGENCE IS JUDGED > > UNLIKELY. > > > > ***ERROR: FIXED TIME INCREMENT IS TOO LARGE > > > > ANALYSIS SUMMARY: > > TOTAL OF 1 INCREMENTS > >

PolymerFEM Administrator Reply With Quote 2015-08-21,10:25 #9 lsfbuaa View Profile View Forum Posts View Articles Junior Member Join Date 2012-05 Location Beijing Posts 2 Dear Jorgen, I also encountered similar "element Just write to ask how you solved your issue in the end. I am unable to tackle the excessive distortion error that pops up after the simulation has progressed a bit. In my implicit model I got the error message too many attempts for the increment.

I have just > > tried to put only geostatic step and applied only Grav command. > > Here is the input step file: > > *STEP,INC=5000, UNSYMM=YES, NLGEOM > *GEOSTATIC Hope this helps.  Apr 24, 2015 Dave Wong · University College London Thanks for the reply! Thanks in advance! > jeremyijacobs Reply | Threaded Open this post in threaded view ♦ ♦ | Report Content as Inappropriate ♦ ♦ Re: Excessive Element Distortion The simulation uses I will run the modeling with lower time scaling again.

I may give a try by meshing using hypermesh. However, when I reduced the element size, either uniformly or progressively towards the contact point, the solution did not converge and fail at about half of the indentation depth. I have even tried applying mesh constraints, but the problem isnt resolved yet !!  I'm attaching a meshed model of my assembly. The time now is 04:50.

Even if the element deletion option is activated.