Hi..I want to model and simulate a 3-layer planar temperature-dependent radome wall using CST Studio Suite  . I have 3 layers as below:

1. core layer of thickness 6mm  -- the material is Pyroceram 9606

2. An inner layer of thickness 0.2mm -- the material is Teflon (PTFE)

3. outer skin layer of 2mm -- the material is again Teflon (PTFE)

It's basically a sandwich wall with Pyroceram sandwiched between two Teflon layers.

The real challenge is that the core layer has temperature-dependent properties, and I am having trouble modeling this aspect in CST MWS. I tried going through CST's help on temperature-dependent material properties, where we can import a given file with temperature-dependent material properties. I was able to get that successfully into a new material. The following table represents the data for this. But, when I try to simulate the model, it shows an error as the non-dispersive material simulation is not possible. Could anyone help me out? I just want to see the propagation of EM waves through my structure; the only problem is how to do that for a temperature-dependent material. Also, could anyone help me figure out which CST template to use for it currently? I am using the antenna template with an FD solver, and maybe there is some other solver that needs to be used for it. I don't know. Any input on this is appreciated. Thank you.