Explanipedia

Machine learning approach to predict the mechanical properties of cementitious materials containing carbon nanotubes Open

Nader M. Okasha, Masoomeh Mirrashid, Hosein Naderpour, Aybike Özyüksel Çiftçioğlu, D.P.P. Meddage , et al. · 2024

This research explores the use of machine learning to predict the mechanical properties of cementitious materials enhanced with carbon nanotubes (CNTs). Specifically, the study focuses on estimating the elastic modulus and flexural strengt…

The displacement mechanism of the cracked rock – a seismic design and prediction study using XFEM and ANNs Open

Omer Mughieda, Lijie Guo, Yunchao Tang, Nader M. Okasha, Sayed Javid Azimi , et al. · 2024

Materials with sufficient strength and stiffness can transfer nonlinear design loads without damage. The present study compares crack propagation speed and shape in rock-like material and sandstone when subjected to seismic acceleration. T…

Materials and Structural Failures Observed after the February 6, 2023 Kahramanmaraş Earthquake in Turkey Open

Amin H. Almasri, Ahmed M Abu Abdo, Nader M. Okasha, Omer Mughieda · 2023

Turkey is located on a very active tectonic plate, causing strong seismic earthquakes. On February 6, 2023, two major earthquakes struck Turkey with a magnitude of Mw 7.8 and 7.5. This study presents the different types of common structura…

A near-optimum multi-objective optimization approach for structural design Open

Nader M. Okasha, Abdel Kareem Alzo’ubi, Omer Mughieda, Manish Kewalramani, Amin H. Almasri · 2023

Multi-objective design optimization problems offer a set of solution alternatives within a Pareto-front. In structural design, the design variables are typically the section properties. The outcomes of these design variables are usually us…

Numerical Analysis of RC Slab with opening strengthened with CFRP Laminates Open

Osama Ahmed Mohamed, Rania Khattab, Nader M. Okasha · 2019

Openings in reinforced concrete (RC) structural floor slabs are sometimes necessary created as a result of variations in architectural function or structural upgrades, amongst other reasons. Architecture reasons for making openings may inc…

Integration of a Hybrid Method into an Efficient Reliability-Based Design Optimization Technique for Large Structures Open

Nader M. Okasha, Osama Ahmed Mohamed · 2019

The computational burden imposed by the repetitive and lengthy nature of the structural analyses of large structures has lead researches to continuously devise efficient methods for conducting their reliability analysis in addition to powe…

Reliability-Based Approach for the Determination of the Required Compressive Strength of Concrete in Mix Design Open

Nader M. Okasha · 2017

Concrete is recognized as the second most consumed product in our modern life after water. The variability in concrete properties is inevitable. The concrete mix is designed for a compressive strength that is different from, typically high…

Reliability-Based Design Optimization of Trusses with Linked-Discrete Design Variables using the Improved Firefly Algorithm Open

Nader M. Okasha · 2016

In this paper, an approach for conducting a Reliability-Based Design Optimization (RBDO) of truss structures with linked-discrete design variables is proposed. The sections of the truss members are selected from the AISC standard tables an…

Reliability-Based Design Optimization Of Trusses With Linked-Discrete Design Variables Using The Improved Firefly Algorithm Open

Nader M. Okasha · 2016

In this paper, an approach for conducting a Reliability-Based Design Optimization (RBDO) of truss structures with linked-discrete design variables is proposed. The sections of the truss members are selected from the AISC standard tables an…

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