palate 0.3.8

File type detection combining tft and hyperpolyglot
Documentation 
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within ModelicaByExample.Subsystems.Pendula;
model Pendulum "A single individual pendulum"
  import Modelica.Mechanics.MultiBody.Parts;
  import Modelica.Mechanics.MultiBody.Joints;

  parameter Modelica.SIunits.Position x;
  parameter Modelica.SIunits.Mass m "Mass of mass point";
  parameter Modelica.SIunits.Angle phi "Initial angle";
  parameter Modelica.SIunits.Length L "String length";
  parameter Modelica.SIunits.Diameter d=0.01;

  Parts.Fixed ground(r={0,0,x}, animation=false)
    annotation (Placement(
        transformation(
        extent={{-10,-10},{10,10}},
        rotation=270, origin={0,60})));
  Parts.PointMass ball(m=m, sphereDiameter=5*d)
    annotation (Placement(transformation(extent={{-10,-90},{10,-70}})));
  Parts.BodyCylinder string(density=0, r={0,L,0}, diameter=d)
    annotation (Placement(transformation(
        extent={{-10,-10},{10,10}},
        rotation=90,
        origin={0,-30})));
  Joints.Revolute revolute(phi(fixed=true, start=phi),
    cylinderDiameter=d/2, animation=false)
    annotation (Placement(
        transformation(
        extent={{-10,-10},{10,10}},
        rotation=90,
        origin={0,20})));
equation
  connect(string.frame_a, ball.frame_a) annotation (Line(
      points={{0,-40},{0,-40},{0,-80}},
      color={95,95,95},
      thickness=0.5,
      smooth=Smooth.None));
  connect(revolute.frame_b, ground.frame_b) annotation (Line(
      points={{0,30},{0,40},{0,40},{0,50}},
      color={95,95,95},
      thickness=0.5,
      smooth=Smooth.None));
  connect(revolute.frame_a, string.frame_b) annotation (Line(
      points={{0,10},{0,10},{0,-20},{0,-20}},
      color={95,95,95},
      thickness=0.5,
      smooth=Smooth.None));
end Pendulum;