Sentence examples for modal parameters obtained from inspiring English sources
The modal parameters obtained from different tests were investigated separately and then compared with each other.
The damaged slab was updated manually so as to match the modal parameters obtained experimentally.
It is concluded that no significant differences were found between modal parameters obtained by OMA and EMA.
The solution of the inverse modal problem for the spatial parameters of mechanical and structural systems is heavily dependent on the quality of the modal parameters obtained from the experiments.
The proposed model, together with characteristic relations between the fixed-base fundamental frequency and the modal parameters obtained from data of existent OWTs found in the literature, is used to analyse the influence of the superstructure and foundation dimensions and soil profile on the magnitude of the SSI phenomena.
In order to confirm the feasibility of the proposed method, a cantilever beam and a simply supported beam were numerically investigated for two damage scenarios by using modal parameters obtained by eigenvalue analysis and simulations of an impact test using MATLAB/Simulink.
The structural modal parameters are obtained by an operational modal analysis technique.
Due to considering the proportional damping, modal parameters were obtained as real values which do not need any transfer functions for being extracted from complex modes.
The first three-order modal parameters were obtained by using dynamic signal test system and finite element software ANSYS.
Thus, for a discrete system of N DOF the mass and stiffness matrices can be determined as: M = M 1 0 ⋱ M i - 1 0 M i (4) K = K 1 + K 2 - K 2 0 - K 2 ⋱ K i - 1 + K i - K i 0 - K i K i (5 As can be observed in Eq. (3), the modal parameters are obtained according to the physical properties of structure.
Thus, the modal parameters can be obtained through the eigen decomposition of the state matrix A d : left{ begin{array}{ll} {varvec{A}}_{{varvec{d}}} = {varvec{psi varLambda psi }}^{ - 1} hfill {varvec{varphi }} = {varvec{Cpsi }} hfill end{array} right.
