~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ Category 14: Fluid-Solid Interaction ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~ This is a special group of boundary conditions for problems in which there are two distinct material phases (fluid and solid) with relative motion between them. These BC’s provide a means to apply conditions to a moving boundary with sensitivities to variables in both phases. These problems are formulated in Goma as overset-grid or phase function problems. .. include:: /problem_description_file/boundary_conditions/fluid_solid_interaction/lagrange_no_slip.rst .. include:: /problem_description_file/boundary_conditions/fluid_solid_interaction/overset_fluid_solid_baaijens_fluid_solid.rst .. include:: /problem_description_file/boundary_conditions/fluid_solid_interaction/overset_solid_fluid_baaijens_solid_fluid.rst .. include:: /problem_description_file/boundary_conditions/fluid_solid_interaction/f1_f2_f3_f4_f5.rst .. include:: /problem_description_file/boundary_conditions/fluid_solid_interaction/pf_capillary.rst