You are viewing the documentation for an older COMSOL version. The latest version is available here.
Connection Point
Use the Connection Point node to define a global potential degree of freedom that complies to Kirchoff’s first law, with an integrated electrode current equal to 0 at a selected point of an Edge Electrode or a Sacrificial Edge Anode node.
The node sets the local electrode potential to this degree of freedom at the feature's selection. The global degree of freedom is announced so that it can be used for instance by External Short electrode phase potential condition.
This node is available as a subnode to the Edge Electrode or the Sacrificial Edge Anode node. The node is active if Enable Cathodic Protection Features check box is enabled at the interface node.
Constraint Settings
To display this section, click the Show More Options button () and select Advanced Physics Options in the Show More Options dialog box.