This information is part of the Modelica Standard Library maintained by the Modelica Association.

LineForceWithTwoMasses

General line force component with two optional point masses on the connection line

Information
CONNECTORS
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NameTypeDescription
frame_aFrame_aCoordinate system fixed to the component with one cut-force and cut-torque
frame_bFrame_bCoordinate system fixed to the component with one cut-force and cut-torque
flange_bFlange_a1-dim. translational flange (connect force of Translational library between flange_a and flange_b)
flange_aFlange_b1-dim. translational flange (connect force of Translational library between flange_a and flange_b)
PARAMETERS
NameTypeDefault ValueDescription
animateBooleantrue= true, if animation shall be enabled
animateMassesBooleantrue= true, if point masses shall be visualized provided animate=true and m_a, m_b > 0
m_aMass0Mass of point mass a on the connetion line between the origin of frame_a and the origin of frame_b
m_bMass0Mass of point mass b on the connetion line between the origin of frame_a and the origin of frame_b
L_aPosition0Distance between point mass a and frame_a (positive, if in direction of frame_b)
L_bPositionL_aDistance between point mass b and frame_b (positive, if in direction of frame_a)
cylinderLength_aLength2*L_a Length of cylinder at frame_a
cylinderLength_bLength2*L_b Length of cylinder at frame_b
s_smallPosition1e-10 Prevent zero-division if distance between frame_a and frame_b is zero
animateMasses2Booleanworld.enableAnimation and animate and animateMasses and m_a > 0 and m_b > 0
USED IN EXAMPLES
Modelica.Mechanics.MultiBody.Examples.Elementary.LineForceWithTwoMasses
Demonstrate line force with two point masses using a JointUPS and alternatively a LineForceWithTwoMasses component