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user's guide – High Frequency Structure Simulator

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Boundary Conditions<br />

1.1<br />

Common Boundary Conditions<br />

There are three types of boundary conditions. The first two are largely the users<br />

responsibility to define them or ensure that they are defined correctly. The<br />

material boundary conditions are transparent to the user.<br />

1. Excitations<br />

Wave Ports (External)<br />

Lumped Ports (Internal)<br />

2. Surface Approximations<br />

Symmetry Planes<br />

Perfect Electric or Magnetic Surfaces<br />

Radiation Surfaces<br />

Background or Outer Surface<br />

3. Material Properties<br />

Boundary between two dielectrics<br />

Finite Conductivity of a conductor<br />

Ansoft <strong>High</strong> <strong>Frequency</strong> <strong>Structure</strong> <strong>Simulator</strong> v 9.0 User’s Guide<br />

1.1-2

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