Transient adjoint sensitivity analysis
In this chapter, we address the transient time domain adjoint sensitivity analysis problem. Without loss of generalization, we will consider the desired transient response to be an electric field component at a point ro in the computational domain E(ro, kΔt). We show in this chapter that we can evaluate the derivatives ∂E(ro, kΔt)/ ∂pi, for all parameters, and for all time steps, using only one extra simulation. In other words, we predict how the complete transient response at the probe changes due to incremental changes in any of the parameters.