Cahn-Hilliard

Verification of the Cahn-Hilliard equations is made with the following tests:

• Coalescence of two kissing bubbles (see Example 1)
• Square bubble (see Example 2)
• Spinodal decomposition (see Example 3)
• Manufactured Cahn-Hilliard Solution (see Example 4)
• Analytical steady solution (see Example 5)