How could Numerically calculating the charge density along a boundary( inner and

Question

How could Numerically calculating the charge density along a boundary( inner and our boundaries) via MATLAB??

Many thanks for your help!!

Ps(ik), Conductor surface in x-y cross-section i,k Conductor surface in x-y cross-section where h is the grid spacing for the FDT. Conductor-air Interface Conductor-air Interface i k i+1,k E(x, y) l.k Exact equation: Numerical approximation Continuous space Discrete space (FDT) Figure 3. Numerically calculating the electric field at the surface of a conductor. Not that, for the FDT, h is the grid spacing for the FDT. Conductor-air Interface Conductor-air Interface Ps(ik) Ps (x, y)- E (x, y) i,k Numerical approximation Exact equation ps(x,y) -EE(x, y) Continuous space Discrete space (FDT) Figure 4. Numerically calculating the surface charge density at the surface of a conductor.

Explanation / Answer

Givenn data:

Ps(i,k), Conductor surface in x-y cross-section i,k Conductor surface in x-y cross-section where h is the grid spacing for the FDT.

Conductor-air Interface Conductor-air Interface i k i+1,k E(x, y) l.k Exact equation: Numerical approximation Continuous space Discrete space (FDT) Figure 3. Numerically calculating the electric field at the surface of a conductor. Not that, for the FDT, h is the grid spacing for the FDT.

Conductor-air Interface Conductor-air Interface Ps(ik) Ps (x, y)- E (x, y) i,k Numerical approximation Exact equation ps(x,y) -EE(x, y) Continuous space Discrete space (FDT) Figure 4. Numerically calculating the surface charge density at the surface of a conductor.

You can use PDE toolbox to calculate charge density across (inner and outer boundaries)

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