Fig. 1

Schematic representation of the time-dependent simulation study of a monopolar soft-coagulation model. The figure shows the 3-second long coagulation process at three different points in time: First, at the initial state of the simulation (at \(t_0\)). Second, after a simulation time of 1 second (at \(t_1\)) and third, after a simulation time of 3 seconds (at \(t_2\)). Additionally, variables like the diameter of the electrode d, the height b and width a of the tissue block, the height of the sphere segment h, the circular arc s of the contact area, the applied voltage boundary conditions \(\Sigma _{\mathrm {el.Vsc}}\) and \(\Sigma _{\mathrm {t.NE}}\), as well as a schematic representation of the necrotic zone and its boundary at \(\Omega = 1\) are shown.