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Hi Shong, Qz material model is similar to a contact element. The material has a finite stiffness when it is in contact, while a suction pressure acts when there is a gap. While using this material with a zero-length element, the direction of the contact vector is important. In line 21, while definin...

Investigating the problem, the error was coming from OpenSeesReliabilityCommands. I did a dirty fix by commenting on all the OpenSeesReliability commands because I didn't need them and consequently removed the OpenSeesReliabilityCommands.o from the compilation (in /SRC/interpreter directory). I was ...

Hi, I successfully compiled opensees and openseespy using the provided makefile under Linux environment. Then, I ran some example problems from the EXAMPLES/ExampleScripts folder with opensees executable and it works fine. However, when I run the test.py in \OpenSees\SRC\interpreter I get the follow...