Answer:
To use the Isotropic Masonry 2D material, the RF‑MAT NL add-on module must be licensed. Without this license, only the Isotropic Linear Elastic and Orthotropic Elastic 2D/3D material models are available.
To use the Isotropic Masonry 2D material, the RF‑MAT NL add-on module must be licensed. Without this license, only the Isotropic Linear Elastic and Orthotropic Elastic 2D/3D material models are available.