Convert [p,e,t] to FEMesh for PDEModel

Hello

I want to import a mesh defined by [p,e,t] into a PDEModel. I know I can generate a mesh by generateMesh, but the thing is, that I want to refine the mesh in certain/specified regions of my geometry. This is not possible with generateMesh. Thank you in advance for any help. LF

Answer 1

[Alan Weiss]

Sorry, there are currently just three ways to create 2-D geometry, and getting geometry from a mesh isn't one of them.

Alan Weiss

MATLAB mathematical toolbox documentation

[MarionJ]

I created the geometry in the PDE app and imported the geometry to my PDEmodel-Container modelname (which I created with createpde) with geometryFromEdges( modelname,g).

It is the meshing I have Problems with.

With generateMesh I cannot refine the mesh in specified regions. So I created a mesh with initmesh and refine the mesh in specified regions of my geometry with refinemesh. Now I want to Import the resulting [p,e,t] into my PDEmodel object modelname. But I see no way to do this.

In short: I want [p,e,t] = meshToPet(mesh) only vice versa

Thanks in advance for any help! LF

[MarionJ]

I should add that I want to solve a parabolic PDE Problem. But for the solver parabolic the mathworks documentation says: 

parabolic is not recommended. Use solvepde instead.

The solvepde function however needs a PDEmodel object.

[Alan Weiss]

If you want to use refinemesh like that, you will not be able to use a PDEModel object. The parabolic solver should still work for you.

Alan Weiss

MATLAB mathematical toolbox documentation

[Paul Safier]

Can you take a [p,e,t] into a FEMesh object to solve with the PDE Toolbox?

[ali]

I have the same issue. I have my [p,e,t] and want to convert it to the new mesh object

[Ravi Kumar]

You can use geometryFromMesh to import p and t into model.

Regards,

Ravi

[Keyur Panchal]

Thanks @Ravi Kumar your solution helped me.