Bi-cubic Spline Functions In BEM Computations
Of Electrostatic HV-fields
Author(s)
C. Vetter
Abstract
The Boundary-Element-Method (BEM) is traditionally linked to electrostatic HV-
problems for calculating the field stress of diverse electrical configurations. This
paper describes an approach using bi-cubic spline functions as boundary elements
for modeling complex, three-dimensional geometries and computing the electric
field.
Following well-known BEM, the boundary surfaces of high-voltage arrangements
are divided into a large number of patches. Standard elements, e.g. cylinders,
cones, toroidals, spheres, triangles and rectangles are provided for simulating sim-
ple configurations, but they become unusable in case of arbitrary, non-rotational
symmetric geometries because of their limited approximation power. In order to
model a complex 3D-surf ace in an optimum way, bi-cubic spline functions are
used to approximate the given contour. Appropriate met
Keywords
Related Book
Other papers in this volume
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