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

PointMass

Rigid body where body rotation and inertia tensor is neglected (6 potential states)

Information
CONNECTORS
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NameTypeDescription
frame_aFrame_aCoordinate system fixed at center of mass point
PARAMETERS
NameTypeDefault ValueDescription
animationBooleantrue= true, if animation shall be enabled (show sphere)
mMassMass of mass point
stateSelectStateSelectStateSelect.avoidPriority to use frame_a.r_0, v_0 (= der(frame_a.r_0)) as states
USED IN EXAMPLES
Modelica.Mechanics.MultiBody.Examples.Elementary.PointGravityWithPointMasses
Two point masses in a point gravity field (rotation of bodies is neglected)