Adds meta data

fix initial value

Adds initial values

Revert change

Makes amplitude smaller

Author: ValentinKaisermayer

src/Blocks/utils.jl

@@ -1,8 +1,8 @@
 @connector function RealInput(;name, nin=1, u_start=nin > 1 ? zeros(nin) : 0.0)
     if nin == 1
-        @variables u(t) = u_start
+        @variables u(t) = u_start [input=true]
     else
-        @variables u[1:nin](t) = u_start
+        @variables u[1:nin](t) = u_start [input=true]
         u = collect(u)
     end
     ODESystem(Equation[], t, [u...], []; name=name)
@@ -22,9 +22,9 @@ Connector with one input signal of type Real.
 
 @connector function RealOutput(;name, nout=1, u_start=nout > 1 ? zeros(nout) : 0.0)
     if nout == 1
-        @variables u(t) = u_start
+        @variables u(t) = u_start [output=true]
     else
-        @variables u[1:nout](t) = u_start
+        @variables u[1:nout](t) = u_start [output=true]
         u = collect(u)
     end
     ODESystem(Equation[], t, [u...], []; name=name)
@@ -88,4 +88,4 @@ function MIMO(;name, nin=1, nout=1, u_start=zeros(nin), y_start=zeros(nout))
         [y[i] ~ output.u[i] for i in 1:nout]...,
     ]
     return ODESystem(eqs, t, vcat(u..., y...), []; name=name, systems=[input, output])
-end
+end

src/Thermal/HeatTransfer/ideal_components.jl

@@ -16,7 +16,7 @@ function HeatCapacitor(; name, C, T_start=273.15 + 20)
     @parameters C=C
     sts = @variables begin
         T(t)=T_start
-        der_T(t)
+        der_T(t)=0.0
     end
 
     D = Differential(t)
@@ -81,7 +81,7 @@ function ConvectiveConductor(; name, G)
     @named solid = HeatPort()
     @named fluid = HeatPort()
     @parameters G=G
-    sts = @variables Q_flow(t) dT(t)
+    sts = @variables Q_flow(t)=0.0 dT(t)=0.0
     eqs = [
         dT ~ solid.T - fluid.T
         solid.Q_flow ~ Q_flow
@@ -107,7 +107,7 @@ function ConvectiveResistor(; name, R)
     @named solidport = HeatPort()
     @named fluidport = HeatPort()
     @parameters R=R
-    sts = @variables Q_flow(t) dT(t) 
+    sts = @variables Q_flow(t)=0.0 dT(t)=0.0
     eqs = [
         dT ~ solidport.T - fluidport.T
         solidport.Q_flow ~ Q_flow

test/Blocks/math.jl

@@ -207,7 +207,7 @@ end
 
 @testset "Math" begin
     for (block, func) in [(Abs, abs), (Sign, sign), (Sin, sin), (Cos, cos), (Tan, tan), (Asin, asin), (Acos, acos), (Atan, atan), (Sinh, sinh), (Cosh, cosh), (Tanh, tanh), (Exp, exp)]
-        @named source = Sine(frequency=1)
+        @named source = Sine(frequency=1, amplitude=0.5)
         @named b = block()
         @named int = Integrator()
         @named model = ODESystem([connect(source.output, b.input), connect(b.output, int.input)], t, systems=[int, b, source])