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Addy, M N, Akunyumu, S and Simons, B (2019) Key risk factors affecting renewable energy independent power producer (IPP) set-up projects in developing countries. Journal of Engineering, Design and Technology , 17(06), 1340–55.

Aghimien, D O, Aigbavboa, C O and Thwala, W D (2019) Microscoping the challenges of sustainable construction in developing countries. Journal of Engineering, Design and Technology , 17(06), 1110–28.

Asa, E, Anna, A S and Baffoe-Twum, E (2019) An investigation of mechanical behavior of concrete containing crushed waste glass. Journal of Engineering, Design and Technology , 17(06), 1285–303.

Bendak, S and Alhammadi, A A (2019) A multi-criteria decision-making approach to minimising fire risk in detached house designs. Journal of Engineering, Design and Technology , 17(06), 1146–60.

Bhaurkar, V P and Thakur, A G (2019) Investigation of crack in beams using anti-resonance technique and FEA approach. Journal of Engineering, Design and Technology , 17(06), 1266–84.

  • Type: Journal Article
  • Keywords: Finite element analysis; Crack; Vibration; Antiresonance; FFT analyzer; Steel beam;
  • ISBN/ISSN: 1726-0531
  • URL: https://doi.org/10.1108/JEDT-10-2018-0179
  • Abstract:
    In the case of machines, structures and assemblies, the crack generation and propagation is becoming a great concern, especially in airplane wings, turbine blades and such other applications. This is because these parts are very large in size and the crack size is very small, i.e. in microns. Hence, there is an important need to locate the crack and to find its severity before it starts to propagate and also to detect these parameters by on-site non-destructive testing methods. This paper aims to develop and test the methodology to locate an unknown single open crack in steel cantilever beam along with its severity. Design/methodology/approach This study covers analytical, numerical and experimental analysis for healthy and cracked beams. Vibration-based approach and finite element analysis (FEA) approach is used for analytical and numerical study respectively. Own designed and dedicated experimental set-up is used for testing purpose along with fast fourier transform analyzer. An anti-resonance technique is used to locate and to find the severity of unknown crack. The statistical approach helps to validate the results. Findings The comparison of the natural frequency of healthy and cracked steel cantilever beam shows that the crack in the beam reduces its natural frequency. The accuracy of results is achieved by finding actual density and Young's modulus of steel specimen under consideration. It is helpful to verify the health of the non-cracked beam by applying dye testing. The study of natural frequency and anti-resonance gives the location of crack and its depth also. The FEA approach proved to be an important tool for numerical analysis of cracked beam. Research limitations/implications The research is limited to steel material and surface cracks only. Practical implications Practically, this study highlights how to locate a surface crack in steel beam along with its depth, i.e. severity with great accuracy. Identification of the factors such as location and depth of a crack provide the severity of damage in airplane wings, turbine blades, bridges and many more, and thereby, it helps in safety at working vicinity. Social implications The identification and solutions of current research helps to predict the operational life of machine elements such as airplane wings, turbine blades, bridges and many more, and thereby, it helps in the safety of people in working vicinity of such structures. Originality/value The work presented, is based on original research and experimentation. This work is valued contribution in the field of methodologies applied for fault detection in structures and also determining its correctness by numerical and experimental work.

Entner, D, Prante, T, Vosgien, T, Z─âvoianu, A, Saminger-Platz, S, Schwarz, M and Fink, K (2019) Potential identification and industrial evaluation of an integrated design automation workflow. Journal of Engineering, Design and Technology , 17(06), 1085–109.

Katoch, V and Mohan, S (2019) Design and fabrication of a safety frame for workers carrying out head lifting at construction sites. Journal of Engineering, Design and Technology , 17(06), 1250–65.

Matarneh, S, Danso-Amoako, M, Al-Bizri, S, Gaterell, M and Matarneh, R (2019) BIM-based facilities information: streamlining the information exchange process. Journal of Engineering, Design and Technology , 17(06), 1304–22.

Oke, A E, Ogunsemi, D R and Adeyelu, M (2019) Quadrant and gap analysis of required and exhibited quantity surveyors’ competencies. Journal of Engineering, Design and Technology , 17(06), 1161–73.

Othman, A A E and Hafez, M G (2019) A framework integrating corporate social responsibility for marketing architectural design firms in developing countries. Journal of Engineering, Design and Technology , 17(06), 1174–91.

Owusu-Manu, D, Edwards, D J, Mohammed, A, Thwala, W D and Birch, T (2019) Short run causal relationship between foreign direct investment (FDI) and infrastructure development. Journal of Engineering, Design and Technology , 17(06), 1202–21.

Rajabion, L, Sataei Mokhtari, A, Khordehbinan, M W, Zare, M and Hassani, A (2019) The role of knowledge sharing in supply chain success. Journal of Engineering, Design and Technology , 17(06), 1222–49.

Srivastava, A, Srivastava, D K and Misra, A K (2019) Spatial variability modeling and reliability analysis of flexible pavement through mechanistic–empirical model. Journal of Engineering, Design and Technology , 17(06), 1129–45.

Tengan, C, Aigbavboa, C O, Guribie, F and Annor-Asubonteng, J (2019) Analysis of the outcome features of effective monitoring and evaluation in construction project delivery. Journal of Engineering, Design and Technology , 17(06), 1192–201.

Titirla, M and Aretoulis, G (2019) Neural network models for actual duration of Greek highway projects. Journal of Engineering, Design and Technology , 17(06), 1323–39.