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Shell Diffusion in a Tank

Application ID: 222

A goal for many applications is to predict physics in thin structures, such as shells, without modeling the thickness of the structure. This is because large aspect ratios can cause meshing and geometry analysis problems.

This model demonstrates how to use the tangential derivative variables in COMSOL Multiphysics to solve partial differential equations in curved 3D shells and 2D boundaries without modeling their thickness.

The model geometry consists of a steel tank that has two pipe connections, one of which is grounded and the other connects to a dead current source.

The model calculates the current density in the tank shell along with the potential distribution across the surface.

This application was built using the following:

COMSOL Multiphysics®

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.