can i calculate the absorption coefficients of absorber composed of micro-perforated olate and porous material with comsol?

hi, i am a new to comsol,.

And i want to calculate the absorption coefficients of a absorber composed of micro-perforated plate and porous material. can i calculate the coefficients of micro-perforated plate with MATLAB and then assign the values to that in COMSOL instead of Michelle formula?

looking forward to help from any body.
Thanks a lot .
yonghua