Remove arbitrary defaults

Author: baggepinnen

src/Blocks/math.jl

@@ -1,5 +1,5 @@
 """
-    Gain(k=1; name)
+    Gain(k; name)
 
 Output the product of a gain value with the input signal.
 
@@ -10,7 +10,7 @@ Output the product of a gain value with the input signal.
 - `input`
 - `output`
 """
-function Gain(k=1; name)
+function Gain(k; name)
     @named siso = SISO()
     @unpack u, y = siso
     pars = @parameters k=k

src/Electrical/Analog/ideal_components.jl

@@ -17,7 +17,7 @@ end
 
 """
 ```julia
-function Resistor(; name, R = 1.0)
+function Resistor(; name, R)
 ```
 
 Creates an ideal Resistor following Ohm's Law.
@@ -36,7 +36,7 @@ Creates an ideal Resistor following Ohm's Law.
 - `R`: [`Ω`]
   Resistance
 """
-function Resistor(;name, R=1.0)
+function Resistor(;name, R)
     @named oneport = OnePort()
     @unpack v, i = oneport
     pars = @parameters R=R
@@ -48,7 +48,7 @@ end
 
 """
 ```julia
-function Capacitor(; name, C = 1.0)
+function Capacitor(; name, C)
 ```
 
 Creates an ideal Capacitor.
@@ -69,7 +69,7 @@ Creates an ideal Capacitor.
 - `v_start`: [`V`]
   Initial voltage of capacitor
 """
-function Capacitor(;name, C=1.0, v_start=0.0) 
+function Capacitor(;name, C, v_start=0.0) 
     @named oneport = OnePort(;v_start=v_start)
     @unpack v, i = oneport
     pars = @parameters C=C
@@ -81,7 +81,7 @@ end
 
 """
 ```julia
-function Inductor(; name, L = 1.0)
+function Inductor(; name, L)
 ```
 
 Creates an ideal Inductor.
@@ -102,7 +102,7 @@ Creates an ideal Inductor.
 - `i_start`: [`A`]
   Initial current through inductor
 """
-function Inductor(;name, L=1.0e-6, i_start=0.0)
+function Inductor(;name, L, i_start=0.0)
     @named oneport = OnePort(;i_start=i_start)
     @unpack v, i = oneport
     pars = @parameters L=L

src/Electrical/Analog/sources.jl

@@ -18,7 +18,7 @@ _xH(t, δ, tₒ) = (t-tₒ)*(1+((t-tₒ)/sqrt((t-tₒ)^2+δ^2)))/2
 
 """
 ```julia
-function ConstantVoltage(; name, V=1.0)
+function ConstantVoltage(; name, V)
 ```
 
 The source for an ideal constant voltage.
@@ -37,7 +37,7 @@ The source for an ideal constant voltage.
 - `V`: [`V`]
   The constant voltage across the terminals of this source
 """
-function ConstantVoltage(;name, V = 1.0)   
+function ConstantVoltage(;name, V)   
     @named oneport = OnePort()
     @unpack v, i = oneport
     pars = @parameters V=V

src/Mechanical/Rotational/components.jl

@@ -14,7 +14,7 @@ function Fixed(;name, phi0=0.0)
 end
 
 """
-    Inertia(;name, J=1.0, phi_start=0.0, w_start=0.0, a_start=0.0)
+    Inertia(;name, J, phi_start=0.0, w_start=0.0, a_start=0.0)
 
 1D-rotational component with inertia.
 
@@ -29,7 +29,7 @@ end
 - `w`: [rad/s] Absolute angular velocity of component (= der(phi)) 
 - `a`: [rad/s²] Absolute angular acceleration of component (= der(w)) 
 """
-function Inertia(;name, J=1.0, phi_start=0.0, w_start=0.0, a_start=0.0)
+function Inertia(;name, J, phi_start=0.0, w_start=0.0, a_start=0.0)
     @named flange_a = Flange()
     @named flange_b = Flange()
     @parameters J=J
@@ -57,7 +57,7 @@ Linear 1D rotational spring
 - `c`: [N.m/rad] Spring constant
 - `phi_rel0`: Unstretched spring angle
 """
-function Spring(;name, c=1.0e5, phi_rel0=0.0)
+function Spring(;name, c, phi_rel0=0.0)
     @named partial_comp = PartialCompliant()
     @unpack phi_rel, tau = partial_comp
     pars = @parameters begin
@@ -69,14 +69,14 @@ function Spring(;name, c=1.0e5, phi_rel0=0.0)
 end
 
 """
-    Damper(;name, d=0.0) 
+    Damper(;name, d) 
 
 Linear 1D rotational damper
 
 # Parameters:
 - `d`: [N.m.s/rad] Damping constant
 """
-function Damper(;name, d=0.0) 
+function Damper(;name, d) 
     @named partial_comp = PartialCompliantWithRelativeStates()
     @unpack w_rel, tau = partial_comp
     pars = @parameters d=d 

src/Thermal/HeatTransfer/ideal_components.jl

@@ -1,5 +1,5 @@
 """
-    HeatCapacitor(; name, C=1.0, T_start=293.15 + 20)    
+    HeatCapacitor(; name, C, T_start=293.15 + 20)    
 
 Lumped thermal element storing heat
 
@@ -11,7 +11,7 @@ Lumped thermal element storing heat
 - `T`: [K] Temperature of element
 - `der_T`: [K/s] Time derivative of temperature
 """
-function HeatCapacitor(; name, C=1.0, T_start=293.15 + 20)    
+function HeatCapacitor(; name, C, T_start=293.15 + 20)    
     @named port = HeatPort()
     @parameters C=C
     sts = @variables begin
@@ -29,14 +29,14 @@ function HeatCapacitor(; name, C=1.0, T_start=293.15 + 20)
 end
 
 """
-    ThermalConductor(;name, G=1.0) 
+    ThermalConductor(;name, G) 
 
 Lumped thermal element transporting heat without storing it.
 
 # Parameters:
 - `G`: [W/K] Constant thermal conductance of material
 """
-function ThermalConductor(;name, G=1.0)   
+function ThermalConductor(;name, G)   
     @named element1d = Element1D()
     @unpack Q_flow, dT = element1d
     pars = @parameters G=G
@@ -47,14 +47,14 @@ function ThermalConductor(;name, G=1.0)
 end
 
 """
-    ThermalResistor(; name, R=1.0) 
+    ThermalResistor(; name, R) 
 
 Lumped thermal element transporting heat without storing it.
 
 # Parameters:
 - `R`: [K/W] Constant thermal resistance of material
 """
-function ThermalResistor(; name, R=1.0)   
+function ThermalResistor(; name, R)   
     @named element1d = Element1D()
     @unpack Q_flow, dT = element1d
     pars = @parameters R=R
@@ -66,7 +66,7 @@ function ThermalResistor(; name, R=1.0)
 end
 
 """
-    ConvectiveConductor(; name, G=1.0)
+    ConvectiveConductor(; name, G)
 
 Lumped thermal element for heat convection.
 
@@ -77,7 +77,7 @@ Lumped thermal element for heat convection.
 - `dT`:  [K] Temperature difference across the component solid.T - fluid.T
 - `Q_flow`: [W] Heat flow rate from solid -> fluid
 """
-function ConvectiveConductor(; name, G=1.0)
+function ConvectiveConductor(; name, G)
     @named solid = HeatPort()
     @named fluid = HeatPort()
     @parameters G=G
@@ -92,7 +92,7 @@ function ConvectiveConductor(; name, G=1.0)
 end
 
 """
-    ConvectiveResistor(; name, R=1.0)
+    ConvectiveResistor(; name, R)
 
 Lumped thermal element for heat convection.
 
@@ -103,7 +103,7 @@ Lumped thermal element for heat convection.
 - `dT`:  [K] Temperature difference across the component solid.T - fluid.T
 - `Q_flow`: [W] Heat flow rate from solid -> fluid
 """
-function ConvectiveResistor(; name, R=1.0)
+function ConvectiveResistor(; name, R)
     @named solidport = HeatPort()
     @named fluidport = HeatPort()
     @parameters R=R
@@ -118,14 +118,14 @@ function ConvectiveResistor(; name, R=1.0)
 end
 
 """
-    BodyRadiation(; name, G=1.0)
+    BodyRadiation(; name, G)
 
 Lumped thermal element for radiation heat transfer.
 
 # Parameters:
 - `G`: [m^2] Net radiation conductance between two surfaces
 """
-function BodyRadiation(; name, G=1.0)
+function BodyRadiation(; name, G)
     sigma = 5.6703744191844294e-8 # Stefan-Boltzmann constant TODO: extract into physical constants module or use existing one
 
     @named element1d = Element1D()
@@ -142,13 +142,13 @@ end
 """
     ThermalCollector(; name, m=1)
 
-Collects m heat flows
+Collects `m` heat flows
 
 This is a model to collect the heat flows from `m` heatports to one single heatport.
 # Parameters:
 - `m`: Number of heat ports (e.g. m=2: `port_a1`, `port_a2`)
 """
-function ThermalCollector(; name, m=1)
+function ThermalCollector(; name, m::Integer=1)
     port_a = [HeatPort(name=Symbol(:port_a, i)) for i in 1:m]
     @named port_b = HeatPort()
     eqs = [

src/Thermal/HeatTransfer/sources.jl

@@ -27,7 +27,7 @@ function FixedHeatFlow(; name, Q_flow=1.0, T_ref=293.15, alpha=0.0)
 end
 
 """
-    FixedTemperature(; name, T=0.0)
+    FixedTemperature(; name, T)
 
 Fixed temperature boundary condition in kelvin.
 
@@ -36,7 +36,7 @@ This model defines a fixed temperature T at its port in kelvin, i.e., it defines
 # Parameters:
 - `T`: [K] Fixed temperature boundary condition
 """
-function FixedTemperature(; name, T=0.0)
+function FixedTemperature(; name, T)
     @named port = HeatPort()
     pars = @parameters T=T
     eqs = [