2D Electrostatic Box Fields
A rectangular, charge-free region with three grounded walls and a selectable potential profile on the driven wall.
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∇2V = 0 E = -grad V
V = f(s) on one wall, V = 0 on the other three
V(x,y) = Σ bn sin(nπs/L) terms, rotated by wall
V = f(s) on one wall, V = 0 on the other three
V(x,y) = Σ bn sin(nπs/L) terms, rotated by wall