Time integral of power dissipated
The calculations of power dissipated, energy stored, and Q-factor are physically meaningful in the steady-state sinusoidal excitation regime. However sometimes we are interested in the total power dissipated in the circuit when it is excited by a pulse of limited duration. This requires performing time integration of power dissipated. Such information is available in Integral of Power Dissipated window. This feature delivers Space & Time Integral of Pdiss in [nJ], given for both electric and magnetic fields.
At each FDTD iteration the software performs the following operations:
sums up electric space & time integral of Pdiss stored in all cells (current Electric space & time integral of Pdiss)
sums up magnetic space & time integral of Pdiss stored in all cells (current Magnetic space & time integral of Pdiss)
adds up current Electric and current Magnetic space & time integral of Pdiss (current Total space & time integral of Pdiss)
The results of time integration of power available from the source in [nJ] is also available. The time integral of power available from the source is summed over all sources and the starting iteration is indicated in the Time Integral of Pav frame title.