Hello, i am a telecommucniation engineer, i have experience with cst and many other antenna simulation software as hsff, eznec and others, i can easily simulate an antenna with given parameters
I have been working with CST since 6 years in three different research institutions. You can check my published paper in reflectarray antenna using cst
/299776706_Approximate_Analytical_Technique_to_Design_Reflectarray_Antenna