Electrode appears hollow after voxelisation
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Hello,
I am setting up an LF Electro Ohmic Quasi-Static simulation using the DUKE_POSABLE 3.2 model. I have placed two solid spherical electrodes in contact with the body and applied Dirichlet boundary conditions.
After voxelisation, the electrodes appear hollow or lattice-like, as shown in the attached screenshots, even though the original geometries are solid. I used a local 1 mm grid for the electrodes, while the anatomical model has a maximum grid step of 2 mm.
Could you please explain what may be causing this appearance? Is it only a visualisation effect, or does it mean that the electrode interiors have not been filled with voxels?
If the electrodes are actually voxelised as hollow structures, could this affect the electrical contact with the tissue, including the calculated current distribution or contact impedance? Also, is there a way to check whether the electrode material has been correctly assigned throughout the entire electrode volume?
Thank you.
Here is the screenshort of the voxel:
Screenshort on simulation settings:
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