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Advanced topics

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The authors discuss in this chapter approaches that can significantly reduce the memory storage associated with the AVM method. We show that the methods of spatial and spectral sampling can be applied to make the AVM approach more efficient. The authors also discuss how the AVM approach can be implemented using numerical techniques other than the FDTD method. The authors discuss how the approach applies to the transmission line modeling (TLM) method. The TLM method is another time domain technique that can be shown to be related to the FDTD. The authors also briefly discuss how the AVM technique can be applied using frequency domain solvers such as the finite element method (FEM) and the method of moments (MoM). The authors conclude this chapter by briefly illustrating some applications of adjoint sensitivity analysis.

Chapter Contents:

  • 10.1 AVM improvements
  • 10.1.1 Coarse spatial sampling
  • 10.1.2 Spectral sampling
  • 10.2 AVM for other numerical techniques
  • 10.2.1 The TLM method
  • 10.2.2 Frequency domain methods
  • 10.3 Applications
  • References

Inspec keywords: finite difference time-domain analysis; finite element analysis; transmission line theory; method of moments; sensitivity analysis

Other keywords: TLM; FDTD; FEM; finite element method; memory storage; spatial sampling; MoM; adjoint variable method; adjoint sensitivity analysis; method of moments; frequency domain solvers; AVM method; transmission line modeling; time domain technique; spectral sampling

Subjects: Finite element analysis; Transmission line theory; Other numerical methods; General circuit analysis and synthesis methods

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