remove IntervalDomain

Author: valentinsulzer

docs/src/systems/PDESystem.md

@@ -42,14 +42,14 @@ single or a collection of independent variables, and `domain` is the chosen
 domain type. Thus forms for the `indepvar` can be like:
 
 ```julia
-t ∈ IntervalDomain(0.0,1.0)
+t ∈ Interval(0.0,1.0)
 (t,x) ∈ UnitDisk()
 [v,w,x,y,z] ∈ VectorUnitBall(5)
 ```
 
 #### Domain Types (WIP)
 
-- `IntervalDomain(a,b)`: Defines the domain of an interval from `a` to `b`
+- `Interval(a,b)`: Defines the domain of an interval from `a` to `b`
 
 ## `discretize` and `symbolic_discretize`
 

src/ModelingToolkit.jl

@@ -158,7 +158,6 @@ export runge_kutta_discretize
 export PDESystem
 export Reaction, ReactionSystem, ismassaction, oderatelaw, jumpratelaw
 export Differential, expand_derivatives, @derivatives
-export IntervalDomain, ProductDomain, ⊗, CircleDomain
 export Equation, ConstrainedEquation
 export Term, Sym
 export SymScope, LocalScope, ParentScope, GlobalScope

src/systems/pde/pdesystem.jl

@@ -28,8 +28,8 @@ bcs = [u(t,0) ~ 0.,# for all t > 0
        Dt(u(0,x)) ~ 0. ] #for all  0 < x < 1]
 
 # Space and time domains
-domains = [t ∈ IntervalDomain(0.0,1.0),
-           x ∈ IntervalDomain(0.0,1.0)]
+domains = [t ∈ Interval(0.0,1.0),
+           x ∈ Interval(0.0,1.0)]
 
 pde_system = PDESystem(eq,bcs,domains,[t,x],[u])
 ```

test/pde.jl

@@ -9,7 +9,7 @@ eq  = Dt(u(t,x)) ~ Dxx(u(t,x))
 bcs = [u(0,x) ~ - x * (x-1) * sin(x),
            u(t,0) ~ 0, u(t,1) ~ 0]
 
-domains = [t ∈ IntervalDomain(0.0,1.0),
-           x ∈ IntervalDomain(0.0,1.0)]
+domains = [t ∈ Interval(0.0,1.0),
+           x ∈ Interval(0.0,1.0)]
 
 pdesys = PDESystem(eq,bcs,domains,[t,x],[u])