Available Objects Actions and Subsystems | MOOSE

Available Objects, Actions, and Subsystems

Moose App
AddBCActionAdd a BoundaryCondition object to the simulation.
ADDirichletBCImposes the essential boundary condition $var element = document.getElementById("moose-equation-b79badf3-df7b-40ae-ba82-bffc8d093c85");katex.render("u=g", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-f1ec4f22-a599-47c1-8027-93c43184c452");katex.render("g", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a constant, controllable value.
ADFunctionDirichletBCImposes the essential boundary condition $var element = document.getElementById("moose-equation-e28905fd-5446-4b45-a80f-e30e11111c1d");katex.render("u=g", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-72ee123c-47cd-474c-8ea2-e6d7d1cfa808");katex.render("g", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is calculated by a function.
ADFunctionNeumannBCImposes the integrated boundary condition $var element = document.getElementById("moose-equation-c6ac680f-f3c4-4f56-b9fa-1e9af8d31428");katex.render("\\frac{\\partial u}{\\partial n}=h(t,\\vec{x})", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-b003d552-7f22-4020-8d07-ae1a0aaabdff");katex.render("h", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a (possibly) time and space-dependent MOOSE Function.
ADFunctionPenaltyDirichletBCEnforces a (possibly) time and space-dependent MOOSE Function Dirichlet boundary condition in a weak sense by penalizing differences between the current solution and the Dirichlet data.
ADMatNeumannBCImposes the integrated boundary condition $var element = document.getElementById("moose-equation-275d625b-4895-4962-9fae-a01a533b7129");katex.render("\\frac{C \\partial u}{\\partial n}=M*h", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-a060cac9-c287-422b-8cdb-be5fd8c27516");katex.render("h", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a constant, $var element = document.getElementById("moose-equation-4a4e28e0-325d-450e-94f8-135373243d5f");katex.render("M", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a material property, and $var element = document.getElementById("moose-equation-bb914b7e-db28-4af1-ada1-341e4de877a5");katex.render("C", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a coefficient defined by the kernel for $var element = document.getElementById("moose-equation-27573a83-9a86-4f54-a5c4-0aba64b4256f");katex.render("u", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ .
ADMatchedValueBCImplements a NodalBC which equates two different Variables' values on a specified boundary.
ADNeumannBCImposes the integrated boundary condition $var element = document.getElementById("moose-equation-9592d16a-a123-4ff7-9f23-cc22cda9d4d8");katex.render("\\frac{\\partial u}{\\partial n}=h", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-fa6049b9-5c68-4a7f-b76c-99fae2cd395a");katex.render("h", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a constant, controllable value.
ADPenaltyDirichletBCEnforces a Dirichlet boundary condition in a weak sense by penalizing differences between the current solution and the Dirichlet data.
ADVectorFunctionDirichletBCImposes the essential boundary condition $var element = document.getElementById("moose-equation-10ab6557-f94e-400f-8353-36932567dbac");katex.render("\\vec{u}=\\vec{g}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-62d744cf-8ddf-4668-bb7d-7dd940d372fa");katex.render("\\vec{g}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ components are calculated with functions.
ADVectorMatchedValueBCImplements a ADVectorNodalBC which equates two different Variables' values on a specified boundary.
ArrayDirichletBCImposes the essential boundary condition $var element = document.getElementById("moose-equation-0fa22126-db18-45da-a8d1-2425ff0f1af8");katex.render("\\vec{u}=\\vec{g}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-5673ad7d-2392-4901-85ec-fb75b0e41950");katex.render("\\vec{g}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ are constant, controllable values.
ArrayHFEMDirichletBCImposes the Dirichlet BC with HFEM.
ArrayNeumannBCImposes the integrated boundary condition $var element = document.getElementById("moose-equation-e3a7bc55-849e-45f8-b0f6-25ba6efa8757");katex.render("\\frac{\\partial u}{\\partial n}=h", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-90d77d98-dec4-46c2-bd46-a3d043d60d09");katex.render("h", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a constant, controllable value.
ArrayPenaltyDirichletBCEnforces a Dirichlet boundary condition in a weak sense with $var element = document.getElementById("moose-equation-6759bc08-3b16-4941-b049-fe56cb8f9e48");katex.render("p(\\vec{u}^\\ast, \\vec{u} - \\vec{u}_0)", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-a3622520-4505-4fff-b883-82c9f844b449");katex.render("p", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is the constant scalar penalty; $var element = document.getElementById("moose-equation-abb052bf-1f33-41a9-a43d-2c071f1e1d05");katex.render("\\vec{u}^\\ast", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is the test functions and $var element = document.getElementById("moose-equation-0f931761-c53f-4fe0-aeba-759f4511d499");katex.render("\\vec{u} - \\vec{u}_0", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is the differences between the current solution and the Dirichlet data.
ArrayVacuumBCImposes the Robin boundary condition $var element = document.getElementById("moose-equation-778451c4-7253-4864-8260-fc7e1ab42bcf");katex.render("\\partial_n \\vec{u}=-\\frac{\\vec{\\alpha}}{2}\\vec{u}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ .
ConvectiveFluxBCDetermines boundary values via the initial and final values, flux, and exposure duration
CoupledVarNeumannBCImposes the integrated boundary condition $var element = document.getElementById("moose-equation-79ac0ede-6c3c-4ae4-a255-d6058c0c965f");katex.render("\\frac{\\partial u}{\\partial n}=v", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-f810bfce-eec2-4ab3-be82-bc56838b61eb");katex.render("v", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a variable.
DGFunctionDiffusionDirichletBCDiffusion Dirichlet boundary condition for discontinuous Galerkin method.
DiffusionFluxBCComputes a boundary residual contribution consistent with the Diffusion Kernel. Does not impose a boundary condition; instead computes the boundary contribution corresponding to the current value of grad(u) and accumulates it in the residual vector.
DirichletBCImposes the essential boundary condition $var element = document.getElementById("moose-equation-5a59d274-2b91-497e-8599-fc0d99724688");katex.render("u=g", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-b944e8f3-419d-4386-92b9-0f62b6ba5547");katex.render("g", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a constant, controllable value.
EigenArrayDirichletBCArray Dirichlet BC for eigenvalue solvers
EigenDirichletBCDirichlet BC for eigenvalue solvers
FunctionDirichletBCImposes the essential boundary condition $var element = document.getElementById("moose-equation-cbff95fa-3d34-4405-a7c1-cc3a4b52b0de");katex.render("u=g(t,\\vec{x})", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-f42449c5-d23a-444e-b92d-907a72b5d82d");katex.render("g", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a (possibly) time and space-dependent MOOSE Function.
FunctionGradientNeumannBCImposes the integrated boundary condition arising from integration by parts of a diffusion/heat conduction operator, and where the exact solution can be specified.
FunctionNeumannBCImposes the integrated boundary condition $var element = document.getElementById("moose-equation-0af7a287-901f-45d9-92d0-5ffdffc4711c");katex.render("\\frac{\\partial u}{\\partial n}=h(t,\\vec{x})", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-c68b2b26-5fd6-4f25-a4d6-7fccb09cc3a8");katex.render("h", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a (possibly) time and space-dependent MOOSE Function.
FunctionPenaltyDirichletBCEnforces a (possibly) time and space-dependent MOOSE Function Dirichlet boundary condition in a weak sense by penalizing differences between the current solution and the Dirichlet data.
HFEMDirichletBCImposes the Dirichlet BC with HFEM.
LagrangeVecDirichletBCImposes the essential boundary condition $var element = document.getElementById("moose-equation-82fd4487-2488-40fc-b24d-3693a6a4fa8d");katex.render("\\vec{u}=\\vec{g}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-b531a640-d7c5-4d80-9c23-df8ffe27b343");katex.render("\\vec{g}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ are constant, controllable values.
LagrangeVecFunctionDirichletBCImposes the essential boundary condition $var element = document.getElementById("moose-equation-923e5888-d0ff-4fd8-a829-570f269a87ad");katex.render("\\vec{u}=\\vec{g}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-17082455-3b0c-4459-8184-2a3d869045db");katex.render("\\vec{g}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ components are calculated with functions.
MatNeumannBCImposes the integrated boundary condition $var element = document.getElementById("moose-equation-57ba4964-bd7a-4413-9408-e00099a15bc8");katex.render("\\frac{C \\partial u}{\\partial n}=M*h", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-6852cb3d-0dc5-47bd-adb7-81c7704888f0");katex.render("h", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a constant, $var element = document.getElementById("moose-equation-f1201208-c583-48c6-8f85-ca0f3e4d8aaa");katex.render("M", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a material property, and $var element = document.getElementById("moose-equation-ad77bdb9-1e02-48a6-86ea-a824f197635b");katex.render("C", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a coefficient defined by the kernel for $var element = document.getElementById("moose-equation-70624f6b-2d52-4d11-9dba-c7b247279929");katex.render("u", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ .
MatchedValueBCImplements a NodalBC which equates two different Variables' values on a specified boundary.
NeumannBCImposes the integrated boundary condition $var element = document.getElementById("moose-equation-3293962a-b5b5-4ada-be33-7499bf3c8bd2");katex.render("\\frac{\\partial u}{\\partial n}=h", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-9b6136c0-7185-4f11-855c-689cf0133c28");katex.render("h", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a constant, controllable value.
OneDEqualValueConstraintBCComputes the integral of lambda times dg term from the mortar method (for two 1D domains only).
PenaltyDirichletBCEnforces a Dirichlet boundary condition in a weak sense by penalizing differences between the current solution and the Dirichlet data.
PostprocessorDirichletBCDirichlet boundary condition with value prescribed by a Postprocessor value.
PostprocessorNeumannBCNeumann boundary condition with value prescribed by a Postprocessor value.
SinDirichletBCImposes a time-varying essential boundary condition $var element = document.getElementById("moose-equation-2c160a62-b6d9-4955-aba2-ee4975283795");katex.render("u=g(t)", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-a49d2160-38eb-41e2-bfec-c0773a9b89d0");katex.render("g(t)", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ varies from an given initial value at time $var element = document.getElementById("moose-equation-cdd90cc0-e653-4c8f-a749-b413d762a52d");katex.render("t=0", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ to a given final value over a specified duration.
SinNeumannBCImposes a time-varying flux boundary condition $var element = document.getElementById("moose-equation-fd11ef48-9a5b-4aa0-94e9-307cbdedd5e0");katex.render("\\frac{\\partial u}{\\partial n}=g(t)", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-4b185e88-71fe-411a-a27b-d5f72b2936f9");katex.render("g(t)", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ varies from an given initial value at time $var element = document.getElementById("moose-equation-3d7419ea-23a1-4f4b-baa2-7f8786f308ac");katex.render("t=0", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ to a given final value over a specified duration.
VacuumBCVacuum boundary condition for diffusion.
VectorDirichletBCImposes the essential boundary condition $var element = document.getElementById("moose-equation-61ca68ea-7045-4780-baed-3c1050b6c64e");katex.render("\\vec{u}=\\vec{g}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-b1987ec4-87a3-45e0-9a64-76284b4940dd");katex.render("\\vec{g}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ are constant, controllable values.
VectorFunctionDirichletBCImposes the essential boundary condition $var element = document.getElementById("moose-equation-a8522264-77d5-4593-be3e-ae6dcfca2979");katex.render("\\vec{u}=\\vec{g}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-c8703882-2026-43f5-aecf-70dde7421452");katex.render("\\vec{g}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ components are calculated with functions.
VectorNeumannBCImposes the integrated boundary condition $var element = document.getElementById("moose-equation-4beab492-61f0-4e9c-99a5-302c0bbdc604");katex.render("\\frac{\\partial u}{\\partial n}=\\vec{V}\\cdot\\hat{n}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-4084d5e8-62dd-44e4-8630-c09996eea54a");katex.render("\\vec{V}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a user-defined, constant vector.
VectorPenaltyDirichletBCEnforces a Dirichlet boundary condition for vector nonlinear variables in a weak sense by applying a penalty to the difference in the current solution and the Dirichlet data.
WeakGradientBCComputes a boundary residual contribution consistent with the Diffusion Kernel. Does not impose a boundary condition; instead computes the boundary contribution corresponding to the current value of grad(u) and accumulates it in the residual vector.
Periodic
XFEMApp
CrackTipEnrichmentCutOffBCImposes the essential boundary condition $var element = document.getElementById("moose-equation-0d6953fd-e77f-43ea-9255-3783a9997155");katex.render("u=g", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ , where $var element = document.getElementById("moose-equation-c5a688ea-8ce4-4c7f-8371-5ccf535093e8");katex.render("g", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ is a constant, controllable value.
Heat Conduction App
ADConvectiveHeatFluxBCConvective heat transfer boundary condition with temperature and heat transfer coefficent given by material properties.
ADFunctionRadiativeBCBoundary condition for radiative heat exchange where the emissivity function is supplied by a Function.
ADInfiniteCylinderRadiativeBCBoundary condition for radiative heat exchange with a cylinderwhere the boundary is approximated as a cylinder as well.
ConvectiveFluxFunctionDetermines boundary value by fluid heat transfer coefficient and far-field temperature
ConvectiveHeatFluxBCConvective heat transfer boundary condition with temperature and heat transfer coefficent given by material properties.
CoupledConvectiveFlux
CoupledConvectiveHeatFluxBCConvective heat transfer boundary condition with temperature and heat transfer coefficent given by auxiliary variables.
FunctionRadiativeBCBoundary condition for radiative heat exchange where the emissivity function is supplied by a Function.
GapHeatTransferTransfers heat across a gap between two surfaces dependent on the gap geometry specified.
GrayLambertNeumannBCThis BC imposes a heat flux density that is computed from the GrayLambertSurfaceRadiationBase userobject.
HeatConductionBC
InfiniteCylinderRadiativeBCBoundary condition for radiative heat exchange with a cylinderwhere the boundary is approximated as a cylinder as well.
Tensor Mechanics App
ADPressureApplies a pressure on a given boundary in a given direction
ADTorqueApply a moment as tractions distributed over a surface around a pivot point. This should operate on the displaced mesh for large deformations.
CoupledPressureBCApplies a pressure from a variable on a given boundary in a given direction
DashpotBC
DisplacementAboutAxisImplements a boundary condition that enforces rotationaldisplacement around an axis on a boundary
InteractionIntegralBenchmarkBCImplements a boundary condition that enforces a displacement field around a crack tip based on applied stress intensity factors.
PenaltyInclinedNoDisplacementBCPenalty Enforcement of an inclined boundary condition
PresetAccelerationPrescribe acceleration on a given boundary in a given direction
PresetDisplacementPrescribe the displacement on a given boundary in a given direction.
PresetVelocity
PressureApplies a pressure on a given boundary in a given direction
StickyBCImposes the boundary condition $var element = document.getElementById("moose-equation-6d9d7b20-a53c-4945-a92f-30e70cb5bc2a");katex.render("u = u_{old}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ if $var element = document.getElementById("moose-equation-04e4dd6d-f98b-4102-b711-7f53265dd845");katex.render("u_{old}", element, {displayMode:false,throwOnError:false,macros:{"\\eqc":"\\,,","\\eqp":"\\,.","\\pd":"\\frac{\\partial #1}{\\partial #2}","\\pr":"\\left(#1\\right)","\\ddt":"\\frac{d #1}{d t}"}});$ exceeds the bounds provided
TorqueApply a moment as tractions distributed over a surface around a pivot point. This should operate on the displaced mesh for large deformations.
CavityPressure
CoupledPressure
InclinedNoDisplacementBC
Pressure
Functional Expansion Tools App
FXFluxBCSets a flux boundary condition, evaluated using a FunctionSeries instance. This does not fix the flux, but rather 'strongly encourages' flux agreement by penalizing the differences through contributions to the residual.
FXValueBCImposes a fixed value boundary condition, evaluated using a FunctionSeries instance.
FXValuePenaltyBCSets a value boundary condition, evaluated using a FunctionSeries instance. This does not fix the value, but rather 'strongly encourages' value agreement by penalizing the differences through contributions to the residual.
Porous Flow App
PorousFlowEnthalpySinkApplies a source equal to the product of the mass flux and the fluid enthalpy. The enthalpy is computed at temperature T_in and pressure equal to the porepressure in the porous medium, if fluid_phase is given, otherwise at the supplied porepressure. Hence this adds heat energy to the porous medium at rate corresponding to a fluid being injected at (porepressure, T_in) at rate (-flux_function).
PorousFlowHalfCubicSinkApplies a flux sink to a boundary. The base flux defined by PorousFlowSink is multiplied by a cubic.
PorousFlowHalfGaussianSinkApplies a flux sink to a boundary. The base flux defined by PorousFlowSink is multiplied by a Gaussian.
PorousFlowOutflowBCApplies an 'outflow' boundary condition, which allows fluid components or heat energy to flow freely out of the boundary as if it weren't there. This is fully upwinded
PorousFlowPiecewiseLinearSinkApplies a flux sink to a boundary. The base flux defined by PorousFlowSink is multiplied by a piecewise linear function.
PorousFlowSinkApplies a flux sink to a boundary.
Thermal Hydraulics App
ADBoundaryFlux3EqnBCBoundary conditions for the 1-D, 1-phase, variable-area Euler equations
ADConvectionHeatTransfer3DBC
ADConvectionHeatTransferBC
ADConvectionHeatTransferRZBCConvection BC for RZ domain in XY coordinate system
ADExternalAppConvectionHeatTransferBCConvection BC from an external application
ADExternalAppConvectionHeatTransferRZBCConvection BC from an external application for RZ domain in XY coordinate system
ADGateValve1PhaseBCAdds boundary fluxes for flow channels connected to a 1-phase gate valve
ADHSHeatFluxBCApplies a specified heat flux to the side of a plate heat structure
ADHSHeatFluxRZBCApplies a specified heat flux to the side of a cylindrical heat structure
ADHeatFlux3EqnBC
ADJunctionOneToOne1PhaseBCAdds boundary fluxes for flow channels connected to a 1-phase one-to-one junction
ADRadiativeHeatFluxBCRadiative heat transfer boundary condition for a plate heat structure
ADRadiativeHeatFluxRZBCRadiative heat transfer boundary condition for a cylindrical heat structure
ADVolumeJunction1PhaseBCAdds boundary fluxes for flow channels connected to a 1-phase volume junction
BoundaryFlux3EqnBCBoundary conditions for the 1-D, 1-phase, variable-area Euler equations
ConvectionHeatTransferBC
ConvectionHeatTransferRZBCConvection BC for RZ domain in XY coordinate system
ExternalAppConvectionHeatTransferBCConvection BC from an external application
ExternalAppConvectionHeatTransferRZBCConvection BC from an external application for RZ domain in XY coordinate system
HeatStructure2DCouplerBCApplies BC for HeatStructure2DCoupler for plate heat structure
HeatStructure2DCouplerRZBCApplies BC for HeatStructure2DCoupler for cylindrical heat structure
RadiativeHeatFluxBCRadiative heat transfer boundary condition for a plate heat structure
RadiativeHeatFluxRZBCRadiative heat transfer boundary condition for a cylindrical heat structure
Fsi App
FluidFreeSurfaceBCApplies a mixed Dirichlet-Neumann BC on the fluid surface.
Rdg App
AEFVBCA boundary condition kernel for the advection equation using a cell-centered finite volume method.
Navier Stokes App
AdvectionBCBoundary conditions for outflow/outflow of advected quantities: phi * velocity * normal, where phi is the advected quantitiy
EnergyFreeBCImplements free advective flow boundary conditions for the energy equation.
INSADMomentumNoBCBCThis class implements the 'No BC' boundary condition based on the 'Laplace' form of the viscous stress tensor.
INSMomentumNoBCBCLaplaceFormThis class implements the 'No BC' boundary condition based on the 'Laplace' form of the viscous stress tensor.
INSMomentumNoBCBCTractionFormThis class implements the 'No BC' boundary condition based on the 'traction' form of the viscous stress tensor.
INSTemperatureNoBCBCThis class implements the 'No BC' boundary condition discussed by Griffiths, Papanastiou, and others.
ImplicitNeumannBCThis class implements a form of the Neumann boundary condition in which the boundary term is treated 'implicitly'.
MassFreeBCImplements free advective flow boundary conditions for the mass equation.
MomentumFreeBCImplements free flow boundary conditions for one of the momentum equations.
MomentumFreeSlipBCImplements free slip boundary conditions for the Navier Stokesmomentum equation.
NSEnergyInviscidSpecifiedBCThis class corresponds to the inviscid part of the 'natural' boundary condition for the energy equation.
NSEnergyInviscidSpecifiedDensityAndVelocityBCThis class corresponds to the inviscid part of the 'natural' boundary condition for the energy equation.
NSEnergyInviscidSpecifiedNormalFlowBCThis class corresponds to the inviscid part of the 'natural' boundary condition for the energy equation.
NSEnergyInviscidSpecifiedPressureBCThis class corresponds to the inviscid part of the 'natural' boundary condition for the energy equation.
NSEnergyInviscidUnspecifiedBCThis class corresponds to the inviscid part of the 'natural' boundary condition for the energy equation.
NSEnergyViscousBCThis class couples together all the variables for the compressible Navier-Stokes equations to allow them to be used in derived IntegratedBC classes.
NSEnergyWeakStagnationBCThe inviscid energy BC term with specified normal flow.
NSImposedVelocityBCImpose Velocity BC.
NSImposedVelocityDirectionBCThis class imposes a velocity direction component as a Dirichlet condition on the appropriate momentum equation.
NSInflowThermalBCThis class is used on a boundary where the incoming flow values (rho, u, v, T) are all completely specified.
NSMassSpecifiedNormalFlowBCThis class implements the mass equation boundary term with a specified value of rho*(u.n) imposed weakly.
NSMassUnspecifiedNormalFlowBCThis class implements the mass equation boundary term with the rho*(u.n) boundary integral computed implicitly.
NSMassWeakStagnationBCThe inviscid energy BC term with specified normal flow.
NSMomentumConvectiveWeakStagnationBCThe convective part (sans pressure term) of the momentum equation boundary integral evaluated at specified stagnation temperature, stagnation pressure, and flow direction values.
NSMomentumInviscidNoPressureImplicitFlowBCMomentum equation boundary condition used when pressure is not integrated by parts.
NSMomentumInviscidSpecifiedNormalFlowBCMomentum equation boundary condition in which pressure is specified (given) and the value of the convective part is allowed to vary (is computed implicitly).
NSMomentumInviscidSpecifiedPressureBCMomentum equation boundary condition in which pressure is specified (given) and the value of the convective part is allowed to vary (is computed implicitly).
NSMomentumPressureWeakStagnationBCThis class implements the pressure term of the momentum equation boundary integral for use in weak stagnation boundary conditions.
NSMomentumViscousBCThis class corresponds to the viscous part of the 'natural' boundary condition for the momentum equations.
NSPenalizedNormalFlowBCThis class penalizes the the value of u.n on the boundary so that it matches some desired value.
NSPressureNeumannBCThis kernel is appropriate for use with a 'zero normal flow' boundary condition in the context of the Euler equations.
NSStagnationPressureBCThis Dirichlet condition imposes the condition p_0 = p_0_desired.
NSStagnationTemperatureBCThis Dirichlet condition imposes the condition T_0 = T_0_desired.
NSThermalBCNS thermal BC.
Chemical Reactions App
ChemicalOutFlowBCChemical flux boundary condition
Peridynamics App
RBMPresetOldValuePDClass to apply a preset BC to nodes with rigid body motion (RBM).

Available Objects , Actions , and Subsystems