BCs System

NumbatDiffusionDGBCDirichlet boundary condition for use with NumbatDiffusionDG
NumbatPerturbationBCDirichlet boundary condition that includes a random perturbation
ConvectiveFluxBCDetermines boundary values via the initial and final values, flux, and exposure duration
DGFunctionDiffusionDirichletBC
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 $var element = document.getElementById("moose-equation-cb94185d-3cea-41b5-9f54-b82c7bbc4c86");katex.render("u=g", element, {displayMode:false,throwOnError:false});$ , where $var element = document.getElementById("moose-equation-b5ec181d-3f9c-4a20-8e6c-ab4161bde6da");katex.render("g", element, {displayMode:false,throwOnError:false});$ is a constant, controllable value.
EigenDirichletBCDirichlet BC for eigenvalue solvers
FunctionDirichletBCImposes the essential boundary condition $var element = document.getElementById("moose-equation-85c4bb63-69cf-475b-8e9b-4805fb9ba30f");katex.render("u=g(t,\\vec{x})", element, {displayMode:false,throwOnError:false});$ , where $var element = document.getElementById("moose-equation-edc47fd7-e25b-466b-804f-35537e5903da");katex.render("g", element, {displayMode:false,throwOnError:false});$ is a (possibly) time and space-dependent MOOSE Function.
FunctionNeumannBCImposes the integrated boundary condition $var element = document.getElementById("moose-equation-11bc0040-c74b-431e-9fed-b6d791e81c9e");katex.render("\\frac{\\partial u}{\\partial n}=h(t,\\vec{x})", element, {displayMode:false,throwOnError:false});$ , where $var element = document.getElementById("moose-equation-b07c4664-a10f-4ab5-8d14-652af0aa7940");katex.render("h", element, {displayMode:false,throwOnError:false});$ is a (possibly) time and space-dependent MOOSE Function.
FunctionPenaltyDirichletBC
FunctionPresetBCThe same as FunctionDirichletBC except the value is applied before the solve begins
LagrangeVecDirichletBCImposes the essential boundary condition $var element = document.getElementById("moose-equation-63ab8ecc-120b-4b6a-9405-27a15b38d988");katex.render("\\vec{u}=\\vec{g}", element, {displayMode:false,throwOnError:false});$ , where $var element = document.getElementById("moose-equation-9709b4fd-0467-4638-b946-dbc9a2f16445");katex.render("\\vec{g}", element, {displayMode:false,throwOnError:false});$ are constant, controllable values.
LagrangeVecFunctionDirichletBCImposes the essential boundary condition $var element = document.getElementById("moose-equation-95c41458-c09e-4640-ad30-f849259758fd");katex.render("\\vec{u}=\\vec{g}", element, {displayMode:false,throwOnError:false});$ , where $var element = document.getElementById("moose-equation-4e3c82a3-c767-4508-ad93-6e7d6d373750");katex.render("\\vec{g}", element, {displayMode:false,throwOnError:false});$ components are calculated with functions.
MatchedValueBCImplements a NodalBC which equates two different Variables' values on a specified boundary.
NeumannBCImposes the integrated boundary condition $var element = document.getElementById("moose-equation-0b220a8a-244d-4087-bb5e-d1f011b83394");katex.render("\\frac{\\partial u}{\\partial n}=h", element, {displayMode:false,throwOnError:false});$ , where $var element = document.getElementById("moose-equation-86003f1d-5466-4b21-a917-e7097e6ea377");katex.render("h", element, {displayMode:false,throwOnError:false});$ is a constant, controllable value.
OneDEqualValueConstraintBC
PenaltyDirichletBCEnforces a Dirichlet boundary condition in a weak sense by penalizing differences between the current solution and the Dirichlet data.
PostprocessorDirichletBC
PostprocessorNeumannBC
PresetBCSimilar to DirichletBC except the value is applied before the solve begins
SinDirichletBCImposes a time-varying essential boundary condition $var element = document.getElementById("moose-equation-7a35bf39-33e1-49a9-9e87-af09334a1d1a");katex.render("u=g(t)", element, {displayMode:false,throwOnError:false});$ , where $var element = document.getElementById("moose-equation-4e40a293-2ba3-4982-a900-3ebf94ca9e0f");katex.render("g(t)", element, {displayMode:false,throwOnError:false});$ varies from an given initial value at time $var element = document.getElementById("moose-equation-50a2f182-32c2-4580-8ace-af81eee49885");katex.render("t=0", element, {displayMode:false,throwOnError:false});$ to a given final value over a specified duration.
SinNeumannBCImposes a time-varying flux boundary condition $var element = document.getElementById("moose-equation-dd15315e-26a1-4080-8be4-4c2b29c0bc30");katex.render("\\frac{\\partial u}{\\partial n}=g(t)", element, {displayMode:false,throwOnError:false});$ , where $var element = document.getElementById("moose-equation-928447d9-7907-4be0-844d-3a6180ff1714");katex.render("g(t)", element, {displayMode:false,throwOnError:false});$ varies from an given initial value at time $var element = document.getElementById("moose-equation-132c55c4-2043-42a6-b740-6e5b590e05e5");katex.render("t=0", element, {displayMode:false,throwOnError:false});$ to a given final value over a specified duration.
VacuumBC
VectorNeumannBCImposes the integrated boundary condition $var element = document.getElementById("moose-equation-b25a716f-a9a5-4fd5-aff3-c9b7057fa18e");katex.render("\\frac{\\partial u}{\\partial n}=\\vec{V}\\cdot\\hat{n}", element, {displayMode:false,throwOnError:false});$ , where $var element = document.getElementById("moose-equation-b60b27a1-c70a-4b1d-99f4-50942a1a3931");katex.render("\\vec{V}", element, {displayMode:false,throwOnError:false});$ is a user-defined, constant vector.
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

AddBCAction