[Last Update]Simulating an RLC circuit with the 1N3880 in ngpice did not show any results or graph
The solver will first try to find a solution, and the lack of initial conditions and the DC voltage will turn your circuit into a static analysis due to the lack of dynamics. Try these few changes, instead (either one at a time, or combinations):


Make the voltage source a pulsed one, to mimic a step change at the beginning, something like PULSE(0 220 0 1u 1u 1k 2k).
Add initial conditions to nodes with .ic V(&lt;...&gt;)=0, or
...add the initial condition to the capacitor, if the program allows, for example C1 4 0 2m ic=0.
Add uic to the simulation card.


This last one overrides the forst three, it literally tells the solver to consider that the Universe is only starting when you press "run", so all initial conditions, everywhere, are zero.