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Lumped masses are only used to suppress vibration by imposing points of zero displacements.
Numerical case studies are performed and they validated the proposed scheme of imposing points of zero displacements and zero slopes.
In this paper, undamped sprung masses and rotational oscillators are used to impose points of zero displacements and zero slopes for an arbitrarily supported linear structure during forced harmonic excitations.
A suitable set of boundary conditions is posed to close the mathematical problem, namely zero displacements at infinity and stress-free boundary conditions (boldsymbol {sigma} cdot boldsymbol {n}_{s}=0) on the ground surface (Gamma_{M} = { z=f_{mathrm{TOP}} x,y) }).
The initial conditions are given by zero displacements q 0 = 0 and vertical velocity v A, 0 y = - ω X A with node A, horizontal coordinate X A and parameter ω = 180.
Similar(55)
The boundary conditions given by Eq. 5 correspond to conditions of zero displacement and the zero slope at fixed end (x = 0), Eqs.
The background color corresponding to a zero displacement.
a Initial state, zero displacement of top surface; b displacement of 1.0 mm; c displacement of 2.0 mm.
The mechanical constraint, zero displacement and zero rotation, was applied at one side (clamped side) of the worksheet.
Nodes along the foramen magnum were fully constrained by all degrees of freedom, zero rotation, and zero displacement [24].
In order to simulate the test condition, a restriction of zero displacement was applied in the "X" and "Y" axis in the area of the lower pin and a zero displacement in the "X" axis of the upper pin.
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