The CONTA178 Real Constant choices do not match the KEYOPT
settings in the ANSYS 9.0 (Classic) GUI. Is this a known bug?
In ANSYS 9.0, the options for CONTA178 KEYOPT(2) were reordered to be consistent with the surface-to-surface and node-to-surface contact elements (see ANSYS Release 9.0 Documentation shown below). However, the element Real Constant section in the GUI did NOT get updated to reflect these changes. If KEYOPT(2) is set to 1 for Pure Penalty, the Real Constant input dialogue box incorrectly reflects the Lagrange + Penalty input. Likewise, if KEYOPT(2) is set to 3 for Lagrange + Penalty, the Real Constant input dialogue box incorrectly reflects the Pure Penalty input, etc. Defect 29508 was filed and fixed in the UP20041216 build of ANSYS 10.0. However, a service pack will be created soon for ANSYS 9.0, and we are hopeful that this fix will make it into the ANSYS 9.0 Service Pack. ANSYS Release 9.0 Documentation ReleaseNotes | Chapter 1. ANSYS Release 9.0 Notes | 1.2. Guidelines for Upgrading to the ANSYS 9.0 Family of Products This section contains important information that you may need to consider as you upgrade from your current version of ANSYS to the new ANSYS 9.0. 1.2.1. Incompatibilities The following incompatibilities are known to exist at ANSYS 9.0. ... 1.2.1.2. KEYOPT(2) Revised for CONTA178 KEYOPT(2) of the CONTA178 node-to-node contact element controls which contact algorithm is used. The options for KEYOPT(2) have been reordered to be consistent with other contact elements. As a result, the default contact algorithm for this element is now the augmented Lagrange method instead of the Lagrange multiplier method. See the CONTA178 element description for complete details on KEYOPT(2) settings. The fix to this defect has been approved for inclusion into the first servicepack of ANSYS 9.0. |
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