Sentence examples for modal identification the from inspiring English sources

Among current techniques for performing operational modal identification, the so-called blind identification methods are the subject of considerable investigation.

Additionally, a full-order finite element model of the test structure, as well as the results from the experimental modal identification using the ERA algorithm were employed to validate the results obtained in this change-detection study.

The main advantage of POD is the possibility to directly use covariance matrices estimated from time responses for the modal identification of the structure under investigation.

Based on the incomplete modal identification results, the most probable structural model parameters, the most probable system eigenvalues and partial modes shapes together with the associated uncertainties can be identified simultaneously.

Through the derivation of the equations for known input modal identification using the proposed mode shape scaling and parameterization scheme, the study provides insight into the relationship between the identified modal parameters and information required in the forced vibration test.

The applications of these computational tools in design and other developments are illustrated in the design of cold-formed members using the direct strength method; automated design of cold-formed members using the constrained finite strip method; and advanced development of modal identification of the shell finite element method.

In this work, a Bayesian statistical approach is developed for modal identification using the free vibration response of structures.

Specific issues related to output-only modal identification and the relative advantages and limitations of BSS methods both from theoretical and application standpoints are discussed.

Structural Health Monitoring (SHM) is an area of great interest in civil engineering, and in this framework very reliable techniques for modal identification in the linear field are widely used.

Any error in this regard may lead to an error in modal identification with the consequence that a harmonic may be construed as a structural mode and vice versa.

Nevertheless, additional efforts are still needed to enhance the robustness of automated modal identification algorithms, control the computational efforts and improve the reliability of modal parameter estimates (in particular, damping).