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Longitudinal bars of the beam and the column are modelled using discrete truss element.
LINK180 is a three-dimensional truss element having 3 degrees of freedom (translational) at each node.
The method can therefore be used for any beam or truss element.
For this purpose, a finite truss element is developed accounting for the piezoelectric actuators.
This was not possible with the truss element model as it caused the eigenvalue buckling analysis solution to fail to converge.
A one-dimensional constitutive model for SMA behavior is implemented as a user-defined truss element in ABAQUS.
Similar(35)
As shown in Equation 6, properties for those truss elements were estimated by comparing the classical continuum strain energy of truss elements with the Lennard Jones '6-12' potential.
The mechanical properties for the truss elements were obtained by equating the LJ '6-12' potential with the structural strain energy of truss elements.
This means that no slip is considered between the bar truss elements and the concrete elements.
This was achieved by embedding the truss elements in the continuum elements representing the concrete.
For the reinforcement, truss elements and Von Mises yield criteria were used in this study.
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