MATLAB: Export geometry out of model container

3dgdgeometryMATLABmodelPartial Differential Equation Toolboxpde

Best Answer

You can get this information easily in the latest version of MATLAB, which is R2018a. The function you need to use is findNodes.

Here is a simple example with block as geometry:

model = createpde;
gm = importGeometry(model,'Block.stl')
msh  = generateMesh(model);
vertexNodes = findNodes(msh,'region','Vertex',1:gm.NumVertices);
vertexCoordinates = msh.Nodes(:,vertexNodes)

Related Solutions

MATLAB: Does the importgeometry command work to import any geometry in simmechanics

Currently only STL import is supported in importGeometry.

MATLAB: How to create a 3D mesh

Use the "generateMesh" function in the Partial Differential Equation Toolbox to generate a 3D mesh.

Refer to the following example that imports a 3D model, creates a mesh, and displays the mesh.

model = createpde;
importGeometry(model,'Torus.stl');
mesh = generateMesh(model);
[p,e,t] = meshToPet(mesh); %convert form of mesh
figure; pdemesh(mesh);
figure; pdemesh(p,e,t);

For more details refer to the following link:

https://www.mathworks.com/help/pde/ug/pde.pdemodel.generatemesh.html

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MATLAB: Does the importgeometry command work to import any geometry in simmechanics

MATLAB: How to create a 3D mesh

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