The Dirichlet Boundary Condition specifies a value of
u on the boundary of the domain:
u = r. By default, it is a unidirectional condition, applying reaction terms on
u but not on any variables appearing in
r.
Enter the value or expression for r to specify the condition on u on the boundary.
To display this section, click the Show More Options button (

) and select
Advanced Physics Options in the
Show More Options dialog. This section contains settings for specifying the type of constraint and whether to use a pointwise or weak constraint. See
Constraint Settings for more information.