Can specfem2d do tunnel simulation?

[zuoxuan-de]

I want to implement a 2D tunnel simulation using specfem2d, is it possible now?
As shown in the picture, the blue part is the PML absorbing boundary layer, the green part is the rock body, the white part is the tunnel and it is a free absorbing boundary. Is it possible to implement an orthotropic simulation for this case now?

[homnath]

I think the built-in mesher is unable to create the tunnel, but you could use external meshing tools such as Cubit and Gmsh to create the mesh with the tunnel. Also, there is no specific option for orthotopic, but it has an option for full anisotropy where you can provide the values for C11, C12, C13, etc.

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--------------------------------------- Hom Nath Gharti, PhD Assistant Professor | Digital Earth Scientist https://www.digitalearthscience.com/ Department of Geological Sciences and Geological Engineering Miller Hall 314, 36 Union St Queen’s University Kingston, ON K7L 3N6, Canada Queen’s University is situated on traditional Anishinaabe and Haudenosaunee Territory.<https://www.queensu.ca/encyclopedia/t/traditional-territories>

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