Welcome To Khaled Ahmida Al-Ashouri space

Ahmida academic website

Location

UoT, Sidi Almasri Road, Tripoli, Libya

Email Me

k.ashouri@uot.edu.ly

Call Me

(+218) 21-462 7910

Publications

Selected Peer-Reviewed Publications

  • Ezedine G. Allaboudi, Khaled M. Ahmida, Impact of Elbow Angles on Flow-Induced Vibration in Crude Oil Pipelines, International Science and Technology Journal ISTJ, 2025; 36(2):1-16. https://doi.org/10.62341/agkm0504

  • Ezedine G. Allaboudi, Khaled M. Ahmida, Vibrations Diagnosis and Condition Monitoring of Centrifugal Pumps at Al-Brega Oil Company, African Journal of Advanced Pure and Applied Sciences AJAPAS, 2024, 4(1), pp.225-232. https://doi.org/10.5281/zenodo.17382008

  • Ezedine G. Allaboudi, Khaled M. Ahmida, Investigation of the Dynamic Behavior of a Chimney, International Science and Technology Journal ISTJ, 2024; 36(1):1-14.    https://doi.org/10.62341/egkm1145

  • Khaled M. Ahmida, Nada H. Shnfier, Investigating Noise Pollution Levels in Tripoli City, International Science and Technology Journal ISTJ, 2024; 35(1):1-11. https://doi.org/10.62341/kman0749
  • Khaled M. Ahmida, Spectral analysis of acoustic plane waves in ductworks with uniform and varying cross-section waveguides, Journal of Vibration and Control, 2024; 30(9-10):2124-2138. https://doi.org/10.1177/10775463231175258
  • Abdulbaset M. Alemam, Khaled M. Ahmida, Mohammed M. Benhusien, Eco-design and Mechanical Strength Analyses of a Brake Pad, International Journal of Engineering and Information Technology IJEIT, Vol.11, No.1, 2023. https://doi.org/10.5281/zenodo.17384343
  • Khaled M. Ahmida, “Novel closed‑form expressions for potential energy estimation in 3D”, Springer Nature, Journal of the Brazilian Society of Mechanical Sciences and Engineering, 45, 529 (2023). https://doi.org/10.1007/s40430-023-04446-w
  • Khaled M. Ahmida, Explicit Formulations of Mass and Stiffness Matrices for Vibration Analysis of Tapered Elements, International Journal of Engineering and Information Technology IJEIT, Vol.10, No.2, pp. 189-194, 2023. https://doi.org/10.5281/zenodo.17384524
  • Khaled M. Ahmida, Ezedine G. Allaboudi, Otman A. Elbizanti, “Damage evaluation in beam structures using vibration data”, Journal of Engineering Research JER, issue 34, pp. 45-58, 2022. https://doi.org/10.5281/zenodo.17384618
  • Ezedine G. Allaboudi, Khaled M. Ahmida, Hasan M. Nagiar, Mohammed Ali Hjaji, “Improving Dynamic Characteristic of a Truss Structure Using the Structural Dynamic Modification Technique”, International Science & Technology Journal ISTJ v24, pp. 1-13, 2021.
  • Khaled M. Ahmida, Abdulbaset M. Alemam, Ezzedine G. Allaboudi, “Investigating Rotational vibration characteristics of A centrifugal casting machine”, International Science and Technology Journal ISTJ, V20, pp. 90-109, 2019.
  • Nunes, R. F. ; Ahmida, K. M. ; Arruda, J. R. F. . Applying a Fuzzy-Set-Based Method for Robust Estimation of Coupling Loss Factors. Journal of Sound and Vibration, V307(1-2), pp. 38-51, 2007. https://doi.org/10.1016/j.jsv.2007.06.055
  • Oliveira, L. C. M.; Ahmida, K. M.; Ferreira, L. O. S., Dynamic Analysis of Silicon Micro-machined Double-Rotor Scanning Mirror. Journal of the Brazilian Society of Mechanical Sciences, v. XXVIII, p. 443-447, 2006.
  • Khaled M. Ahmida and Luiz Otávio S. Ferreira, “Design and modeling of an acoustically excited double-paddle scanner”, Journal of Micromechanics and Microengineering, 14, pp. 1337-1344, 2004. https://doi.org/10.1088/0960-1317/14/10/007
  • Ahmida, K. M. and Arruda, J. R. F., “Exact Modeling of Kinetic Energy in Truss-Type Members”, Journal of Sound and Vibration, V267(1), pp. 167-177, 2003. https://doi.org/10.1016/S0022-460X(03)00153-6
  • Ahmida, K.M. and Arruda, J.R.F., “Estimation of the SEA Coupling Loss Factor by Means of Spectral Element Modeling”, J. Braz. Soc. Mech. Sci., V25, no.3, pp. 259-263, ISSN 0100-7386, 2003.
  • Ahmida, K. M. and Arruda, J. R. F., “On the Relation Between Complex Modes and Wave Propagation Phenomena”, Journal of Sound and Vibration, V255(4), pp. 663-684, 2002. https://doi.org/10.1006/jsvi.2001.4183
  • Ahmida, K. M. and Arruda, J. R. F., “Spectral Element-Based Prediction of Active Power Flow in Timoshenko Beams”, International Journal of Solids and Structures, V38, No. 10-13, pp. 1669-1679, 2001. https://doi.org/10.1016/S0020-7683(00)00128-1
  • Freschi, A. A. ; Pereira, A. K. ; Ahmida, K. M. ; Frejlich, J. ; Arruda, J. R. F. . Analyzing the Total Structural Intensity in Beams Using a Homodyne Laser Doppler Vibrometer. Shock and Vibration, v. 7, n. 5, p. 299-308, 2000. https://doi.org/10.1155/2000/952482
  • Arruda, J. R. F. ; Ahmida, K. M. . Computing structural energy density and power flow using spectral elements. Journal of the Acoustical Society of America, v. 112, n. 5, p. 2300-2301, 2002. https://doi.org/10.1121/1.4779260
  • Khaled M. Ahmida, Ezedine G. Allaboudi, Sulaiman N. Abuaisha and Mohamed S. Abead, Deformation Analysis of a Chimney at Tripoli-West Power Plant, International Conference on Mechanical and Industrial Engineering ICMIE 2022, Nov. 15-17, Tripoli.
  • Arruda, J. R. F. ; Ahmida, K. M. ; Ichchou, M. N. ; J. M. Mencik . Investigating the relations between the wave finite element and spectral element methods using simple waveguides. In: 19th International Congress of Mechanical Engineering-COBEM, 2007, Brasilia. Proceedings of COBEM2007, 2007.
  • Camino, J. F. ; Ahmida, K. M. ; Ferreira, L. O. S. . Track-following controller for an acoustically excited double-paddle scanner. In: The 45th IEEE Conference on Decision and Control, 2006, San Diego. Proceedings of the 45th IEEE Conference on Decision and Control, 2006.
  • Nunes, R. F. ; Ahmida, K. M. ; Arruda, J. R. F. . A SEM/Fuzzy Method for the Estimation of the SEA Coupling Loss Factors. In: International Congress on Noise and Vibration Emerging Technologies, 2005, Saint Raphael. Proceedings of NOVEM. Lyon : INSA, 2005. v. 1. p. 1-12.
  • Oliveira, L. C. M. ; Ahmida, K. M. ; Ferreira, L. O. S. . Electromagnetic and structural FEA modeling of induction actuated scanning mirrors. In: Optical Scanning, 2005, San Diego. Proc. of the International Society for Optical Engineering, SPIE. San Diego : Stephen F. Sagan, Gerald F.; Eds., 2005. v. 5873. p. 65-71.
  • Ahmida, K. M. ; Arruda, J. R. F. ; Ferreira, L. O. S. . A tapered acoustic duct spectral element. In: International Congress on Sound and Vibration, 2003, Stockholm. Proceedings of the 10th ICSV. Stockholm, 2003. v. 1. p. 3901-3908.
  • Ahmida, K. M. ; Arruda, J. R. F. . Hybrid SEM-FEA-Experimental Dynamic Models of Frame Structures. In: International Conference on Structural Dynamics Modelling, 2002, Funchal. Proc. of the International Conference on Structural Dynamics Modelling. Lisbon : Instituto Superior Técnico de Lisboa, 2002. v. 1. p. 1-9.
  • Ahmida, K. M.; Arruda, J. R. F. . The Relation Between Complex Vibrational Modes and Wave Propagation Phenomenon. In: The IX International Symposium on Dynamic Problems of Mechanics, DINAME IX, 2001, Florianópolis. Proceedings of the IX International Symposium on Dynamic Problems of Mechanics, 2001. v. 1. p. 359-364.
  • Pereira, A. K. ; Ahmida, K. M. ; Arruda, J. R. F. . Active Vibration and Noise Control using a Generalized Intensity Controller. In: The International Symposium on Active Control of Sound and Vibration, ACTIVE, 1999, Fort Launderdale. Proceedings of the 1999 International Symposium on Active Control of Sound and Vibration, 1999. p. 1035-1046.
  • Ahmida, K. M. ; Arruda, J. R. F. . Spectral Element Modeling of the Power Flow in a T-Beam Structure: A Computational Experiment. In: The 17th Biennial ASME Conference on Mechanical Vibration and Noise, ASME Design Engineering Technical Conference, 1999, Las Vegas. Proc. of the 17th Biennial Conference on Mechanical Vibration and Noise, 1999. p. 1-7.
  • Freschi, A. A. ; Pereira, A. K. ; Ahmida, K. M. ; Frejlich, J. ; Arruda, J. R. F. . Analyzing the Total Structural Intensity in Beams Using a Homodyne Laser Doppler Vibrometer. In: The 3rd International Conference on Vibration Measurements by Laser Techniques, Advances and Applications, 1998, Ancona. Proc. of the 3rd Int. Conference on Vibration Measurements by Laser Techniques. Ancona : |, 1998. v. 3411. p. 366-375.
  • Ahmida, K. M. ; Arruda, J. R. F. . Predicting the Power Flow in Beam Structures using the Spectral Element Method. In: Computational Mechanics: New Trends and Applications, 1998, Buenos Aires. Proceedings of the 4th World Congress on Computational Mechanics, WCCM IV. Barcelona : CIMNE, 1998. p. 13p.
  • Ahmida, K. M. ; Pereira, A. K. ; Arruda, J. R. F. . Predicting the Total Structural Intensity in Beam Structures using the Spectral Element Method. In: The International Congress on Noise Control Engineering, Inter-Noise, 1998, Christchurch. Proceedings of the 1998 International Congress on Noise Control Engineering. Christchurch, 1998. p. 6p.

Patents and Newspapers articles

  • Patent of Invention: “An Acoustical Excitation Device for Optical Scanners“, register No. PI/MU/DI/WO: PI0504353-0, 2005 (awarded as the best production of the year of the faculty of Mechanical Engineering – State University of Campinas in 2005).
  • Ahmida, K. M. and Netto, C. G., “A new optical micro-scanner: simpler and cheaper”. Jornal da Unicamp, “Unicamp Newspaper”, Unicamp, Campinas, p. 9 – 9, 24, abr. 2006. (in Portuguese)
  • Ahmida, K. M. and Netto, C. G., “A researcher from Unicamp creates an optical micro-scanner cheaper than the conventional ones”. Diario Oficial Executivo do Estado de Sao Paulo, “Executive Official Gazette of the State of Sao Paulo”, Campinas, 24 abr. 2006. (in Portuguese)

Selected Conference Presentations

  • Keynote speaker at the International Conference on Mechanical & Industrial Engineering ICMIE 2022, Tripoli
  • The 6th Pan American Congress of Applied Mechanics, PACAM. Computing the Flexural Power Flow in Timoshenko Beams using Spectral Element and Finite Element Methods. 1999
  • The IX International Symposium on Dynamic Problems of Mechanics, DINAME IX. The Relation Between Complex Vibrational Modes and Wave Propagation Phenomenon. 2001
  • The 22nd Iberian Latin-American Congress on Computational Methods in Engineering. Estimation of the SEA Coupling Loss Factors by Means of Spectral Element Modeling. 2001
  • Workshop on Semiconductors and Micro & Nano-Technology – Seminatec 2005
  • International Congress on Noise and Vibration Emerging Technologies, NOVEM, Lyon. A SEM/Fuzzy Method for the Estimation of the SEA Coupling Loss Factors, 2005
  • The 19th International Congress of Mechanical Engineering-COBEM, 2007, Brasilia. Investigating the relations between the wave finite element and spectral element methods using simple waveguides
  • The X International Symposium on Dynamic Problems of Mechanics DINAME. Dynamic Analysis of Silicon Micromachined Double-Rotor Scanning Mirror. Rio de Janeiro, 2005
  • The International Congress on Sound and Vibration ICSV. A tapered acoustic duct spectral element, Stockholm, 2003
  • The X International Symposium on Dynamic Problems of Mechanics. The Structural Dynamics Mid-Frequency Challenge: Bridging the Gap Between FEA and SEA, Rio de Janeiro, 2003
  • The 17th International Congress of Mechanical Engineering, COBEM, Investigation of the Dynamic Behavior of a Double-Paddle Scanner, ABCM Symposium Series in Mechatronics. Rio de Janeiro, 2003
  • The IX International Symposium on Dynamic Problems of Mechanics, DINAME IX, The Relation Between Complex Vibrational Modes and Wave Propagation Phenomenon. Florianopolis, 2001
  • The 4th World Congress on Computational Mechanics, WCCM IV: New Trends and Applications, Predicting the Power Flow in Beam Structures using the Spectral Element Method, Buenos Aires, 1998
  • The IV Congresso de Engenharia Mecânica Norte Nordeste, Análise acústica de cavidades utilizando um Método dos Elementos Finitos do Tipo Galerkin/Mínimos Quadrados, Recife, 1996
  • … and few others