Merge pull request #126 from gridap/update_to_gridap_0_17

Update to Gridap@0.17

Project.toml

@@ -20,7 +20,7 @@ Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
 SpecialFunctions = "276daf66-3868-5448-9aa4-cd146d93841b"
 
 [compat]
-Gridap = "0.16.4"
+Gridap = "0.17"
 GridapGmsh = "0.4"
 SpecialFunctions = "1"
 julia = "1.3"

src/fsi_tutorial.jl

@@ -176,9 +176,18 @@ const μ_f = 0.01
 # Q \doteq \{ q \in C^0(\Omega):\ q|_T\in P_{k-1}(T) \text{ for all } T\in\mathcal{T}_{\rm F}\}.
 # ```
 
-# Before creating the FE spaces, we first need to define the discrete model of each of the sub-domains, which are constructed restricting the global discrete model to the corresponding part. This is done by calling the `DiscreteModel` function with the desired geometrical part label, i.e. `"solid"` and `"fluid"`, respectively.
-model_solid = DiscreteModel(model,tags="solid")
-model_fluid = DiscreteModel(model,tags="fluid")
+# Before creating the FE spaces, we first need to define the triangulation of each of the sub-domains, which are constructed restricting the global triangulation to the corresponding part. This is done by calling the `Triangulation` (or equivalently `Interior`) function with the desired geometrical part label, i.e. `"solid"` and `"fluid"`, respectively. Here we create the triangulation of the global domain, $\mathcal{T}$, and the solid and fluid triangulations, $\mathcal{T}_{\rm F}$ and $\mathcal{T}_{\rm S}$.
+Ω = Interior(model)
+Ω_s = Interior(model,tags="solid")
+Ω_f = Interior(model,tags="fluid")
+
+# We also generate the triangulation and associated outer normal field for the outlet boundary, $\Gamma_{\rm F,N_{out}}$, which will be used to impose a Neumann condition.
+Γ_out = BoundaryTriangulation(model,tags="outlet")
+n_Γout = get_normal_vector(Γ_out)
+
+# Finally, to impose the interface condition between solid and fluid, we will need the triangulation and normal field of such interface, $\Gamma_{\rm FS}$. The interface triangulation is generated by calling the `InterfaceTriangulation` function specifying the two interfacing domain triangulations. Note that the normal field will point outwards with respect to the first entry.
+Γ_fs = InterfaceTriangulation(Ω_f,Ω_s)
+n_Γfs = get_normal_vector(Γ_fs)
 
 # In what follows we will assume a second-order veloticty interpolation, i.e. $k=2$
 k = 2
@@ -189,20 +198,20 @@ reffeₚ = ReferenceFE(lagrangian,Float64,k-1)
 
 # Having set up all the ingredients, we can create the different FE spaces for the test functions. For the velocity FE spaces we call the `TestFESpace` function with the corresponding discrete model, using the velocity reference FE `reffeᵤ` and conformity `:H1`. Note that we assign different Dirichlet boundary labels for the two different parts, generating the variational spaces with homogeneous Dirichlet boundary conditions, $V_{\rm F,0}$ and $V_{\rm S,0}$ .
 Vf = TestFESpace(
-  model_fluid,
+  Ω_f,
   reffeᵤ,
   conformity=:H1,
   dirichlet_tags=["inlet", "noSlip", "cylinder"])
 
 Vs = TestFESpace(
-  model_solid,
+  Ω_s,
   reffeᵤ,
   conformity=:H1,
   dirichlet_tags=["fixed"])
 
 # For the pressure test FE space, we use the fluid discrete model, the pressure reference FE `reffeₚ` and `:C0` conformity.
 Qf = TestFESpace(
-  model_fluid,
+  Ω_f,
   reffeₚ,
   conformity=:C0)
 
@@ -219,21 +228,6 @@ X = MultiFieldFESpace([Us,Uf,Pf])
 # <a name="integration"></a>
 # ```
 # ### Numerical integration
-# To define the quadrature rules used in the numerical integration of the different terms, we first need to generate the domain triangulation. Here we create the triangulation of the global domain, $\mathcal{T}$.
-Ω = Triangulation(model)
-
-# The solid and fluid triangulations, $\mathcal{T}_{\rm F}$ and $\mathcal{T}_{\rm S}$, are constructed from the discrete models restricted to the respective parts.
-Ω_s = Triangulation(model_solid)
-Ω_f = Triangulation(model_fluid)
-
-# We also generate the triangulation and associated outer normal field for the outlet boundary, $\Gamma_{\rm F,N_{out}}$, which will be used to impose a Neumann condition.
-Γ_out = BoundaryTriangulation(model,tags="outlet")
-n_Γout = get_normal_vector(Γ_out)
-
-# Finally, to impose the interface condition between solid and fluid, we will need the triangulation and normal field of such interface, $\Gamma_{\rm FS}$. The interface triangulation is generated by calling the `InterfaceTriangulation` function specifying the two interfacing domain models. Note that the normal field will point outwards with respect to the first entry.
-Γ_fs = InterfaceTriangulation(model_fluid,model_solid)
-n_Γfs = get_normal_vector(Γ_fs)
-
 # Once we have all the triangulations, we can generate the quadrature rules to be applied each domain. This will be generated by calling the `Measure` function, that given a triangulation and an integration degree, it returns the Lebesgue integral measure $d\Omega$.
 degree = 2*k
 dΩₛ = Measure(Ω_s,degree)