Figure 3.

Computational model. Gray boxes are part of every standard finite element framework; colored boxes highlight mechanism-specific extensions. The NodeX and EBarX objects contain information about the assigned mechanism and its current state. The Mechanism object contains the single-element mechanism DeAttach for detachment/reattachment and the multiple-element mechanism DePolym for polymerization/depolymerization. The NewtonRX object executes all mechanisms before executing the regular time step. To see this figure in color, go online.