In this paper, a Structural Health Monitoring (SHM) technique for damage identification in beam-like and truss structures using Frequency Response Function (FRF) data coupled with optimization techniques is presented. Genetic Algorithm (GA) and Bat Algorithm (BA) are used to estimate the location and severity of damage. The damage in the structures is simulated by reduction in rigidity of specific members. Both optimization techniques are coupled with modelled structures using Finite Element Method (FEM). The approach is based on minimizing an objective function by comparing measured and calculated FRFs. The results show that better accuracy is obtained using BA than using GA in terms of precision and computational time. Furthermore, it is found that the proposed approach provides faster solution than other approaches in the literature.

Accepted:

Published online:

Roumaissa Zenzen ^{1};
Idir Belaidi ^{1};
Samir Khatir ^{2};
Magd Abdel Wahab ^{3, 4}

@article{CRMECA_2018__346_12_1253_0, author = {Roumaissa Zenzen and Idir Belaidi and Samir Khatir and Magd Abdel Wahab}, title = {A damage identification technique for beam-like and truss structures based on {FRF} and {Bat} {Algorithm}}, journal = {Comptes Rendus. M\'ecanique}, pages = {1253--1266}, publisher = {Elsevier}, volume = {346}, number = {12}, year = {2018}, doi = {10.1016/j.crme.2018.09.003}, language = {en}, }

TY - JOUR AU - Roumaissa Zenzen AU - Idir Belaidi AU - Samir Khatir AU - Magd Abdel Wahab TI - A damage identification technique for beam-like and truss structures based on FRF and Bat Algorithm JO - Comptes Rendus. Mécanique PY - 2018 SP - 1253 EP - 1266 VL - 346 IS - 12 PB - Elsevier DO - 10.1016/j.crme.2018.09.003 LA - en ID - CRMECA_2018__346_12_1253_0 ER -

%0 Journal Article %A Roumaissa Zenzen %A Idir Belaidi %A Samir Khatir %A Magd Abdel Wahab %T A damage identification technique for beam-like and truss structures based on FRF and Bat Algorithm %J Comptes Rendus. Mécanique %D 2018 %P 1253-1266 %V 346 %N 12 %I Elsevier %R 10.1016/j.crme.2018.09.003 %G en %F CRMECA_2018__346_12_1253_0

Roumaissa Zenzen; Idir Belaidi; Samir Khatir; Magd Abdel Wahab. A damage identification technique for beam-like and truss structures based on FRF and Bat Algorithm. Comptes Rendus. Mécanique, Volume 346 (2018) no. 12, pp. 1253-1266. doi : 10.1016/j.crme.2018.09.003. https://comptes-rendus.academie-sciences.fr/mecanique/articles/10.1016/j.crme.2018.09.003/

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