Identification based on a finite element model of an impact force occurring on a composite structure

• Autorzy: El-Bakari Abdelali , Khamlichi Abdellatif , Hanafi Issam

Identyfikatory

DOI

10.59441/ijame-2023-0003

• Języki publikacji: EN

Abstrakty

EN

Based on the inverse approach and the finite element method, the quality of a reconstructed signal is discussed in this work. The responses caused by a distributed impact on a portion of a composite structure can be recovered using dynamic analysis. The structure is thought to be complex and made up of two different-sized plates made of two different materials. The robustness of the inversion method was studied, as well as the sensitivity of the numerical method compared to modal truncation and sampling of the frequency response function (FRF). Once the FRF had been identified, regularized deconvolution as per generalized singular value decomposition was used to reconstruct the impact signal characteristics. It was revealed that only one mode is required to reconstruct the impact signal.

Słowa kluczowe

EN

inverse problem; modal analysis; identification; impact force; composite structure

PL

analiza modalna; siła uderzenia; struktura złożona

• Wydawca: Oficyna Wydawnicza Uniwersytetu Zielonogórskiego
• Czasopismo: International Journal of Applied Mechanics and Engineering
• Rocznik: 2023
• Tom: Vol. 28, no. 1
• Strony: 23--36
• Opis fizyczny: Bibliogr. 20 poz., rys., tab., wykr.

Twórcy

autor

El-Bakari Abdelali

• Department STIC, National School of Applied Sciences, Abdelmalek Essaadi University Tetouan, MOROCCO
• MASGC, National School of Applied Sciences, Abdelmalek Essaadi University, Tetouan, MOROCCO

autor

Khamlichi Abdellatif

• Department STIC, National School of Applied Sciences, Abdelmalek Essaadi University Tetouan, MOROCCO
• MASGC, National School of Applied Sciences, Abdelmalek Essaadi University, Tetouan, MOROCCO

autor

Hanafi Issam

Bibliografia

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Uwagi

PL

Opracowanie rekordu ze środków MNiSW, umowa nr SONP/SP/546092/2022 w ramach programu "Społeczna odpowiedzialność nauki" - moduł: Popularyzacja nauki i promocja sportu (2024)