Damage Analysis of an Inclined Cracked Curved Beam Using ANFIS

Abstract

As the damage in the structures grows, failure rate increases rapidly causing weakening of structures which leads to early failure of the structures. Hence, advance identification of damages in structures should be addressed immediately. This paper presents an intelligent technique for damage identification in a curved inclined cracked beam based on vibration signatures. Vibration analysis of the cracked curved beam is carried out using ANSYS© software. The natural frequencies and mode shapes are computed by varying crack severities and crack locations. The results dictate that the vibration parameters are changed for different crack severities and crack locations. These parameters are given as input to adaptive neuro-fuzzy inference system (ANFIS) to predict the damage characteristics for the cracked beam. The results reveal that the proposed intelligent controller could be deployed to locate and quantify the damage in any cracked structure.