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HFSS15: Where the Solvers Apply Scattered or Total Field Formulations
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Scattered Field Formulation
• Monostatic/bistatic RCS of finite scatterers
• Frequency Selective Surfaces (FSSs)
Total Field Formulation
• Monostatic/bistatic RCS of infinite scatterers
• Frequency Selective Surfaces (FSSs)
• When near/far field Link is involved
• EMC/EMI problems
For Scattered Field Decomposition
It is known in the whole domain.
In summary, scattered field descriptions apply:
• Environment material other than vacuum
• Inhomogeneous magnetic material
• Special treatments on
• Ports
• Impedance BCs
• PMC
Total Field Description: Usual Approach
When the incident field is known, everywhere, the solvers take the usual approach. Both E and H jump with n x Einc and n x Hinc on the interfaces, respectively.
Total Field Description: Unusual Approach
In this case, the incident wave is just on known on the surface. Both E and H jump with n x Einc and n x Hinc on the outer surface respectively.
Total Field Description: Space Port Concept
The Radiation Boundary Condition is treated as a space port. The field is decomposed just on the surface of the space port.
Related Topics
General Approach for Scattered and Total Field Decomposition
Scattered and total field formulation pros and cons
Where the Solvers Apply Scattered or Total Field Formulations
Summary for Total and Scattered Fields
