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Cathodic Protection of Steel in Reinforced Concrete

Application ID: 11106


This example models cathodic protection of a steel reinforcing bar in concrete.

Three different electrochemical reactions are considered on the steel surface. Charge and oxygen transport are modeled in the concrete domain, where the electrolyte conductivity and oxygen diffusivity depend on the moisture content.

The impact of different moisture levels on the corrosion currents is investigated.

Ce modèle a été construit avec les éléments suivants:

Corrosion Module

The combination of COMSOL® products required to model your application depends on the physics interfaces that define it. Particular physics interfaces may be common to several products (see the Specification Chart for more details). To determine the right combination of products for your project, you should evaluate all of your needs in light of each product\'s capabilities, consultation with the COMSOL Sales and Support teams, and the use of an evaluation license.