A new method for structural damage detection and localization based on modal shapes (CROSBI ID 641114)
Prilog sa skupa u zborniku | izvorni znanstveni rad | međunarodna recenzija
Podaci o odgovornosti
Duvnjak, Ivan ; Rak, Mladenko ; Damjanović, Domagoj
engleski
A new method for structural damage detection and localization based on modal shapes
Damage assessment of structures includes estimation of location and severity of damage using changes of dynamic properties (natural frequencies, damping ratios and modal shapes) determined on undam-aged and damaged structure. The basic principle is to use dynamic properties of a structure as indicators of any change of its stiffness and/or mass. In this paper, a new method for damage detection based only on mode shape data is presented to identify damage for plate like structures. A new method is based on comparison of normalised modal shape vectors determined in undamaged and damaged state of the structure. The validity of the proposed method is demonstrated on numerical model. Accuracy of the method is analysed on nine different damage scenarios simulated by local change of elasticity modulus and change in boundary conditions.
Damage ; detection ; mode shapes ; severity ; dynamic properties ; numerical model
nije evidentirano
nije evidentirano
nije evidentirano
nije evidentirano
nije evidentirano
nije evidentirano
Podaci o prilogu
224-231.
2016.
objavljeno
Podaci o matičnoj publikaciji
The Fifth International Symposium on Life - Cycle Civil of Engineering Systems : Emphasis on Sustainable Civil Infrastructure . proceedings
Bakker, Jaap ; Frangopol, Dan M. ; Klass van Breugel
Delft: CRC Press ; A.A. Balkema Publishers
978-1-138-02847-0
Podaci o skupu
International Symposium on Life - Cycle Civil Engineering (5 ; 2016)
predavanje
16.07.2016-19.07.2016
Delft, Nizozemska