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User defined Materials in layout momentum simulation

Question asked by on Feb 24, 2015
Latest reply on Feb 28, 2015 by volker_muehlhaus
User defined Materials in layout momentum simulation
Is it possible for a user to define his own materials besides default model in ADS?
For example, I design a kind of module directly in layout without schematic and I want to try momentum simulation in layout. The material is unusual. The multilayered substrate has a frequency dependent permittivity, permeability and loss tangent, while these parameters’ dependency to frequency is not a typical Svensson/Djordjevic similar. The dependency is better to be provided by a lookup table than an expression formula. I hope that the following automatic simulation could by done while I have no idea how to implement it:
1, At each frequency, I read out the substrate definitions from an outside file by DAC component.
2, Transfer these definitions to the simulator.
3, start the layout momentum simulator.
4, Output the simulation result to an outside file at each frequency.
5, iterate each frequency required.
Would you please tell me how to implement the above task? Examples are preferred. 
Moreover, there seems to be no user AEL extensions’ interface as in the schematic.