mechanical added

Author: Brad Carman

README.md

@@ -7,12 +7,15 @@ Examples can be found in the "examples" folder.
 
 ### Hydraulic Example
 
-![example1](https://user-images.githubusercontent.com/40798837/228676202-c13b93c2-d023-4b00-bed8-c8440cb8ca57.png)
+![example2](examples/hydraulic.svg)
 
-### RC Circuit Example
+### Electrical Example
 
 ![example2](examples/electrical.svg)
 
+### Mechanical Example
+
+![example3](examples/mechanical.svg)
 
 # Tutorial
 

examples/design/Main/MassSpringDamper.jl

@@ -0,0 +1,6 @@
+connect(bv.flange, pt2.p2)
+connect(sv.flange_a, pt2.p1)
+connect(dv.flange_a, pt2.p3)
+connect(dv.flange_b, pt1.p3)
+connect(sv.flange_b, pt1.p1)
+connect(gv.flange, pt1.p2)

examples/design/Main/MassSpringDamper.toml

@@ -0,0 +1,31 @@
+[bv]
+x = 0.09
+y = 0.15
+
+[dv]
+flange_a = "W"
+x = 0.44
+y = 0.2
+
+[gv]
+flange = "W"
+x = 0.82
+y = 0.15
+
+[pt1]
+p1 = "S"
+p3 = "N"
+x = 0.65
+y = 0.15
+
+[pt2]
+p1 = "S"
+p2 = "W"
+p3 = "N"
+x = 0.25
+y = 0.15
+
+[sv]
+flange_a = "W"
+x = 0.44
+y = 0.1

examples/design/Main/System.toml

@@ -4,19 +4,19 @@ y = -0.01
 
 [res]
 port_a = "W"
-x = 0.47
+x = 0.49
 y = 0.09
 
 [src]
 input = "W"
-x = 0.3
+x = 0.28
 y = 0.09
 
 [stp]
-x = 0.12
+x = 0.06
 y = 0.09
 
 [vol]
 port = "W"
-x = 0.64
+x = 0.7
 y = 0.09

examples/electrical.jl

@@ -81,4 +81,4 @@ ModelingToolkitDesigner.view(design)
 
 # CairoMakie.set_theme!(Theme(;fontsize=12))
 # fig = ModelingToolkitDesigner.view(design, false)
-# save(joinpath(@__DIR__, "electrical.svg"), fig; resolution=(400,400))
+# save(joinpath(@__DIR__, "electrical.svg"), fig; resolution=(300,300))

examples/electrical.svg

@@ -36,3 +36,8 @@ end
 path = joinpath(@__DIR__, "design") # folder where visualization info is saved and retrieved
 design = ODESystemDesign(sys, path);
 ModelingToolkitDesigner.view(design)
+
+# using CairoMakie
+# CairoMakie.set_theme!(Theme(;fontsize=12))
+# fig = ModelingToolkitDesigner.view(design, false)
+# save(joinpath(@__DIR__, "hydraulic.svg"), fig; resolution=(400,200))

examples/hydraulic.jl

@@ -0,0 +1,56 @@
+using ModelingToolkit
+using ModelingToolkitDesigner
+
+using ModelingToolkitStandardLibrary.Blocks
+import ModelingToolkitStandardLibrary.Mechanical.Translational as TV
+
+@parameters t
+D = Differential(t)
+
+@component function PassThru3(; name)
+    @variables t
+
+    systems = @named begin
+        p1 = TV.MechanicalPort()
+        p2 = TV.MechanicalPort()
+        p3 = TV.MechanicalPort()
+    end
+
+    eqs = [connect(p1, p2, p3)]
+
+    return ODESystem(eqs, t, [], []; name, systems)
+end
+
+@component function MassSpringDamper(; name)
+    systems = @named begin
+        dv = TV.Damper(d = 1, v_a_0 = 1)
+        sv = TV.Spring(k = 1, v_a_0 = 1, delta_s_0 = 1)
+        bv = TV.Mass(m = 1, v_0 = 1)
+        gv = TV.Fixed()
+
+        pt1 = PassThru3()
+        pt2 = PassThru3()
+    end
+
+    eqs = [
+        connect(bv.flange, pt2.p2)
+        connect(sv.flange_a, pt2.p1)
+        connect(dv.flange_a, pt2.p3)
+        connect(dv.flange_b, pt1.p3)
+        connect(sv.flange_b, pt1.p1)
+        connect(gv.flange, pt1.p2)
+    ]
+
+    return ODESystem(eqs, t, [], []; name, systems)
+end
+
+@named msd = MassSpringDamper()
+
+path = joinpath(@__DIR__, "design")
+design = ODESystemDesign(msd, path)
+ModelingToolkitDesigner.view(design)
+
+# using CairoMakie
+# CairoMakie.set_theme!(Theme(;fontsize=12))
+# fig = ModelingToolkitDesigner.view(design, false)
+# save(joinpath(@__DIR__, "mechanical.svg"), fig; resolution=(400,200))