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Hi, Could you introduce me useful tutorial or book for starting the Ls-dyna. Thanks

Hi, Could you introduce me useful tutorial or book for starting the Ls-dyna. Thanks

Dear Exerts, Could you introduce me useful tutorial or book for starting the Ls-dyna. Thanks Jalil

Only 2 substeps is strange! My suggestion is using the: solcontorl,on,on

Hi, you can use the keypoint numbers for defining a line or an Area (instead of selecting). /prep7 k,1, k,2,1, k,3,0,1 k,4,1,1 a,1,2,4,3 hope that helps.

Hi, you can define an Area or a Line by keyponits (A & L commands).

Hi, that is easy. In ICEM there is possibility to export your mesh into Ansys, Abaqus or other programs. There is also an advanced setting in ICEM that you can select the type of your mesh (solid187 or mesh200,…).

Hi, I know these home pages. http://www.mece.ualberta.ca/tutorials/ansys/ http://people.civil.aau.dk/~ask/ansys/ANSYS-Examples.html

Hi Dvae, you can find that here: http://en.wikipedia.org/wiki/Bulk_modulus

Hi, isfile is an undocumented command and it does not exist in Ansys help manual after v.10 but you can use the command. This is an example which you can read the initial stress values at the center of elements from geost.ist file isfile,read,geostr,ist,,0 regards Jalil

you can firstly create all volumes and then mesh them !

Hi, I have two suggestions if you use win32 bit. Firstly: check the compatibility of your windows with Ansys (right click on Ansys product Launcher- properties- compatibility) and change the compatibility to the highest version of windows. (At my computer is win 2000!) Secondly: use the /gst,on...

Hi Dave, my suggestion is defining the job name too. "C:\Program Files\Ansys Inc\V121\ANSYS\bin\WINX64 \ansys121" -b –j RUN1 -i RUN1.dat -o RUN1.out regards Jalil

Hi Amin, you have to save all results, outres,all,all the default command in Ansys, save only the results of last substep. Hope that helps. Regards Jalil

Please check your contact elements. Maybe you have some nodes at you contact and target surfaces, which are merged with each other. You can cheek that with these commands: Esel, s, type, , 2 ( contact element) Nsle Esln eplot

Hi, Hope this helps http://ansys.net/collection/1173

Hi, do you use resume command (Utility Menu>File>Resume Jobname.db ) before to open the results file?

Hi, MC material model is not available in Ansys. You can buy it from some companies as a user define material or implement that yourself. Regards Jalil

Hi, you can also try with: finer element lower value of FKN, more substeps, active the nropt, unsym consider the deformation instead of the external load hope that helps

Dear friends, I am modeling a soil mass using ANSYS classic v.11. EDP material model were used for soil. The initial stresses were defined by inistate command. My problem is: the max deformation of model is too much (54 cm) and it is not true (the real value is zero or every small one). The...