The value of the tag determines the evaluation of the constraint condition. Possible values for the tag 'constraint_directions' are 'greater' or 'lower'.

If the value 'greater' is given the condition 'calculated_flux_value > constraint_threshold' is evaluated. If the value 'less' is given the condition 'calculated_flux_value < constraint_threshold' is evaluated.

Additional info

From ProcessLib/BoundaryConditionAndSourceTerm/ConstraintDirichletBoundaryCondition.cpp line 286

This is a required parameter.
Data type: std::string
Expanded tag path: process_variables.process_variable.boundary_conditions.boundary_condition.ConstraintDirichletBoundaryCondition.constraint_direction
Go to source code: → ogs/ogs/master

Used in the following test data files

Used in no end-to-end test cases.