Fix Spring

JuliaComputing · Sep 26, 2023 · dad15ea · dad15ea
1 parent faf7682
commit dad15ea
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Showing 3 changed files with 4 additions and 3 deletions.
diff --git a/Project.toml b/Project.toml
@@ -13,7 +13,7 @@ Rotations = "6038ab10-8711-5258-84ad-4b1120ba62dc"
 
 [compat]
 ModelingToolkit = "8.30"
-ModelingToolkitStandardLibrary = "1.14"
+ModelingToolkitStandardLibrary = "1.14, 2"
 Rotations = "1.4"
 julia = "1"
 

diff --git a/src/forces.jl b/src/forces.jl
@@ -313,7 +313,7 @@ function Spring(; c, name, m = 0, lengthFraction = 0.5, s_unstretched = 0, kwarg
  @unpack frame_a, frame_b = ptf
  @named lineForce = LineForceWithMass(; length = s_unstretched, m, lengthFraction,
  kwargs...)
- @named spring2d = TP.Spring(c; s_rel0 = s_unstretched)
+ @named spring2d = TP.Spring(; c, s_rel0 = s_unstretched)
  @parameters c=c [description = "spring constant", bounds = (0, Inf)]
  @parameters s_unstretched=s_unstretched [
  description = "unstretched length of spring",

diff --git a/test/runtests.jl b/test/runtests.jl
@@ -71,7 +71,8 @@ D = Differential(t)
 defs = Dict(collect(spring.r_rel_0 .=> [0, 1, 0])...,
  collect(body.r_0 .=> [0, 0, 0])...,
  collect((D.(body.phi)) .=> [0, 0, 0])...,
- collect(D.(D.(body.phi)) .=> [0, 0, 0])...)
+ collect((D.(body.phid)) .=> [0, 3, 0])...,
+ collect(D.(D.(body.phi)) .=> [0, 3, 0])...)
 prob = ODEProblem(ssys, defs, (0, 10))
 
 # du = prob.f.f.f_oop(prob.u0, prob.p, 0)