Sinusoidal excitation of a damped spring-mass system

Translational and rotational basic connector components as well as translational-rotational combination connections are tested for sinusoidal excitation of a damped spring-mass connector system. A series of simple, 2-node connector elements simulating a damped spring-mass system verify the connections described in Table 1. The kinetic behavior in the connector elements is modeled using the connector elasticity, connector damping, and connector friction behaviors.

In Abaqus/Standard a direct-integration implicit dynamic step is used with a small- or large-displacement formulation. In Abaqus/Explicit the usual explicit dynamic procedure is used with the default large-displacement formulation. The spring-mass system in each case is driven by assigning a connector element load.

Table 1. Connection types for sinusoidal excitation verification analyses.

Connection Type	Degrees of Freedom Affected	Dimensions
AXIAL	Translational Basic	2D, 3D, Axisymmetric
CARTESIAN	Translational Basic	2D, 3D, Axisymmetric
PROJECTION CARTESIAN	Translational Basic	3D
RADIAL-THRUST	Translational Basic	3D
SLIDE-PLANE	Translational Basic	3D
SLOT	Translational Basic	2D, 3D, Axisymmetric
CARDAN	Rotational Basic	3D
EULER	Rotational Basic	3D
FLEXION-TORSION	Rotational Basic	3D
PROJECTION FLEXION-TORSION	Rotational Basic	3D
REVOLUTE	Rotational Basic	3D
ROTATION	Rotational Basic	2D, 3D, Axisymmetric
UNIVERSAL	Rotational Basic	3D
AXIAL/EULER	Combination	3D
CARTESIAN/CARDAN	Combination	3D
CARTESIAN/ ROTATION	Combination	3D
JOIN/ FLEXION-TORSION	Combination	3D
LINK/UNIVERSAL	Combination	3D
RADIAL-THRUST/ CONSTANT VELOCITY	Combination	3D
SLIDE-PLANE/REVOLUTE	Combination	3D
SLOT/ALIGN	Combination	3D
PROJECTION CARTESIAN/PROJECTION FLEXION-TORSION	Combination	3D