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    A study on the influence of material gradient index on bending and stress responses of FGM rectangular plates using the Finite Element Method
    (YILDIZ TEKNİK ÜNİVERSİTESİ REKTÖRLÜĞÜ, 2024) Noori, Masihullah; Bilgin, Ayça; Diallo, Hamza; Al Rousan, Mohammad Omar; Noori, Ahmad Reshad
    Functionally graded materials (FGMs) are advanced materials designed to achieve specific property gradients. The unique characteristic of these materials—variations in spatial dimensions—allows for integrating the advantages of different materials within a single component, where a combination of properties, such as mechanical strength, thermal resistance, and others, is needed. This paper utilizes finite element analysis to examine the deflection and stress responses of FGM rectangular plates with different material gradient profiles. Various boundary conditions, including clamped, simply supported, and free edges in different configurations, are considered. The plates are subjected to uniformly distributed, sinusoidally distributed, and concentrated loads. The study investigates the effects of boundary and loading conditions, along with the impact of the material gradient, on the deflections and stress responses of FGM rectangular plates. The results indicate variations in deflection and stress values for different material gradients, under varying boundary and loading conditions.
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    Undamped Forced Vibration Analysis of Castellated Steel Beam With Circular, Square and Pentagonal Web Openings
    (Adıyaman Üniversitesi Mühendislik Fakültesi, 2024) Hashm, Maryam; Noori, Masihullah; Noori, Ahmad Reshad; Doori, Silda Gazi
    This study conducts a comprehensive investigation into the influence of web opening shapes on the forced vibration response of castellated steel beams, particularly emphasizing the temporal aspects of the dynamics. These beams are widely employed in practice due to their enhanced structural efficiency and reduced weight, but the incorporation of web openings may potentially impair their shear and bending strength capacities. Three types of web opening shapes are considered. Finite element methodology is employed using ANSYS. The investigation encompasses the forced vibration behavior of castellated steel beams subjected to varying loads. Additionally, the impact of various parameters, including the beam’s geometry, and boundary conditions, on the dynamic behavior of castellated beams are analyzed. The obtained results demonstrate that the web opening shape has significant influence on the vibration amplitudes and oscillation periods of castellated steel beams.