Gradient with not rectangular domain
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Hey guys,
I've used the finite elments method to solve a boundary value problem, specifically the transverse potential of a coaxial cable . I've used pdetool to get the mesh and than I solved the problem by myself. Now I want to plot the gradient of the solution and the problem is that the domain is not rectangular so I can't put the vector solution into a matrix form...what should i do ?
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Jiri Hajek
le 20 Jan 2023
Since you have pde toolbox, you have access to native MATLAB plotting, which uses the same mesh used for solution: https://www.mathworks.com/help/pde/ug/pdeplot.html
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Muskan
le 21 Mar 2023
Hi Enricho,
As per my understanding you can use the “pdeplot(mesh)” function to plot the gradient since you already have got a mesh from the pde toolbox.
Create a PDE model. Include the geometry of the built-in function “lshapeg”. Mesh the geometry and plot the mesh.
You can refer to the following documentation:
I hope the above solution helps to resolve your query.
Thanks,
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