Left-Handed Microstrip Lines

I am trying to simulate the results mentioned in following paper Effective Electromagnetic Parameters of Novel Distributed Left-Handed Microstrip Lines.I am new to HFSS.In the following link i got similar kind of query https://www.edaboard.com/thread175462.html.When i try to duplicate the HFSS-11 file mentioned in above mentioned link i got different result.I attached both the files.Can any body help me why i got different result?