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make separate outer constructor for 2p omegas #20

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make separate outer constructor for 2p omegas #20

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185e7d6
make separate outer constructor for 2p omegas
JaredCrean2 Sep 14, 2017
0b251d4
add missing export statement
JaredCrean2 Sep 14, 2017
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2 changes: 1 addition & 1 deletion src/SummationByParts.jl
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Expand Up @@ -16,7 +16,7 @@ using .SymCubatures
using .Cubature

export AbstractSBP, TriSBP, TetSBP, SparseTriSBP, SparseTetSBP
export getTriSBPGamma, getTriSBPOmega, getTriSBPWithDiagE
export getTriSBPGamma, getTriSBPOmega, getTriSBPOmega2, getTriSBPWithDiagE
export getTetSBPGamma, getTetSBPOmega, getTetSBPWithDiagE
export AbstractFace, TriFace, TetFace
export getTriFaceForDiagE, getTetFaceForDiagE
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26 changes: 24 additions & 2 deletions src/outerconstructors.jl
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Expand Up @@ -60,14 +60,36 @@ Returns SBP-Omega type elements, that have no nodes on the element boundary

"""->
function getTriSBPOmega(;degree::Int=1, Tsbp::Type=Float64)
#return TriSBP{Tsbp}(degree=degree, internal=true, vertices=false)
return TriSBP{Tsbp}(degree=degree, internal=true, vertices=false)
end

"""
### SBP.getTriSBPOmega2

Like getTRISBPomega, but ensures the operator has a degree 2p cubature
rule

**Inputs**

* `degree`: maximum polynomial degree for which the derivatives are exact
* `Tsbp`: floating point type used for the operators

**Returns**

* `sbp`: an SBP-Omega type operator of the appropriate degree

"""
function getTriSBPOmega2(;degree::Int=1, Tsbp::Type=Float64)

cub, vtx = tricubature(2*degree, Tsbp, internal=true,
vertices=false)
Q = zeros(Tsbp, (cub.numnodes, cub.numnodes, 2))
w, Q = SummationByParts.buildoperators(cub, vtx, degree)
TriSBP{Tsbp}(degree, cub, vtx, w, Q)

return TriSBP{Tsbp}(degree, cub, vtx, w, Q)
end


function getTriSBPWithDiagE(;degree::Int=1, Tsbp::Type=Float64,
vertices::Bool=true)
@assert( degree >= 1 && degree <= 4 )
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2 changes: 1 addition & 1 deletion test/printnodes.jl
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Expand Up @@ -39,7 +39,7 @@ end
function printTriOmegaNodes(degree::Int,
filename::AbstractString="nodes.dat")
@assert( degree >= 1 && degree <= 4)
sbp = getTriSBPOmega(degree=degree)
sbp = getTriSBPOmega2(degree=degree)
sbpface = TriFace{Float64}(degree, sbp.cub, [-1. -1; 1 -1; -1 1])
# compute the volume nodes
vtx = [0.0 0.0; 1 0.0; 0.5 sqrt(3)*0.5]
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