Adding viscoplastic property

vikram92 · March 9, 2017, 10:24

I am trying to analyse the viscoplastic behavior of Stainless steel in ansys workbench, and i dont know how to define material parameters for anand Viscoplastic model. And I am not sure, which parameters to add on, so that the steel can exhibit the viscoplastic behaviour. I am using ansys 17 workbench.

rajurastogi · March 21, 2017, 22:32

In the static/transient structure module, there is an option for "Engineering data". Use this to define the desired properties.

vikram92 · March 22, 2017, 00:45

Quote:

Originally Posted by rajurastogi

In the static/transient structure module, there is an option for "Engineering data". Use this to define the desired properties.

Thank you for the reply. I am trying to use either perzyna model or pierce model for viscoplasticity. But i cannot find this option in Engineering data. Could you please help me with this finding this? These are available in mechanical ADPL, but I could not find in Ansys workbench.
Thank you.

Gweher · March 23, 2017, 06:43

Unfortunately the Perzyna and Peirce model is not directly implemented in Ansys workbench. But as you mentioned it is available in APDL classic.

What you can simply do add the material properties under the geometrical definition with an APDL snippet (command object > rmb on your part > insert > command object).
There you can add the Perzyna model using the apdl command as you do in APDL classic.
“
C1 = 0.8 ! Hardening param
C2 = 0.1 ! Viscosity param
TB, RATE, matid,1,2,perzyna
TBDATA,,C1,C2
Tblist,all,all
“
If you need temperature dependent material use the TBTEMP command.
Have fun

vikram92 · March 23, 2017, 09:36

Thank you so much for the reply :-)

March 9, 2017, 10:24	Adding viscoplastic property	#1
vikram92 New Member Join Date: Mar 2017 Posts: 6 Rep Power: 9	I am trying to analyse the viscoplastic behavior of Stainless steel in ansys workbench, and i dont know how to define material parameters for anand Viscoplastic model. And I am not sure, which parameters to add on, so that the steel can exhibit the viscoplastic behaviour. I am using ansys 17 workbench.

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March 21, 2017, 22:32		#2
rajurastogi New Member Rajendra Kumar Join Date: Mar 2017 Posts: 3 Rep Power: 9	In the static/transient structure module, there is an option for "Engineering data". Use this to define the desired properties.

March 23, 2017, 06:43		#4
Gweher Senior Member Gwenael H. Join Date: Mar 2011 Location: Switzerland Posts: 392 Rep Power: 20	Unfortunately the Perzyna and Peirce model is not directly implemented in Ansys workbench. But as you mentioned it is available in APDL classic. What you can simply do add the material properties under the geometrical definition with an APDL snippet (command object > rmb on your part > insert > command object). There you can add the Perzyna model using the apdl command as you do in APDL classic. “ C1 = 0.8 ! Hardening param C2 = 0.1 ! Viscosity param TB, RATE, matid,1,2,perzyna TBDATA,,C1,C2 Tblist,all,all “ If you need temperature dependent material use the TBTEMP command. Have fun

March 23, 2017, 09:36		#5
vikram92 New Member Join Date: Mar 2017 Posts: 6 Rep Power: 9	Thank you so much for the reply :-)