Random decrement technique for detection and characterization of nonlinear behavior
When performing operational modal analysis, the mechanical system being investigated is
assumed to be linear. If this assumption is not true, errors could be made when estimating …
assumed to be linear. If this assumption is not true, errors could be made when estimating …
Identification of friction-coupled offshore platforms by output-only method
ABSTRACT A structural health monitoring (SHM) program can improve the structural
integrity of offshore structures, however, the SHM scheme implies extraction of linear time …
integrity of offshore structures, however, the SHM scheme implies extraction of linear time …
Conditional linear approximation of nonlinear systems using Operational Modal Analysis
Dynamic characteristics of structures in operational conditions are commonly identified from
measured responses using Operational Modal Analysis (OMA). The OMA techniques are …
measured responses using Operational Modal Analysis (OMA). The OMA techniques are …
Identification of stick-slip friction in single-degree of freedom system using the random decrement technique
KK Vesterholm, T Friis… - … on Structural Health …, 2019 - portal.findresearcher.sdu.dk
The identification of modal parameters of structures in operational conditions is termed
Operational Modal Analysis (OMA). Stick-slip friction is common in many structures, for …
Operational Modal Analysis (OMA). Stick-slip friction is common in many structures, for …
Some aspects of using the random decrement technique for nonlinear systems
The random decrement (RD) technique can be used to analyze the response signal from a
system that has amplitude dependent modal parameters. The implementation of RD for this …
system that has amplitude dependent modal parameters. The implementation of RD for this …
[PDF][PDF] Identifikation nichtlinearer Strukturen
Reale Strukturen weisen oftmals ein nichtlineares Verhalten auf, das durch Reibung oder
auch Spiel in Fügestellen verursacht wird. Gerade bei Leichtbaustrukturen können …
auch Spiel in Fügestellen verursacht wird. Gerade bei Leichtbaustrukturen können …