Showing papers in "Ain Shams Engineering Journal in 2019"

TL;DR: Whale optimization algorithm (WOA) technique is used in this paper to tune the controllers’ parameters and shows its superiority through comparison with several optimization techniques.

TL;DR: The findings of the study conclude that the studies in CP are focused in seven main areas are industry-level studies, the study of factors/attributes, measurement techniques, simulation and models, equipment and technology, issues and problems associated with CP, and improvement techniques and proposed frameworks.

TL;DR: Comparison of the generated solutions on the Pareto Front for WDN design shows that the obtained Pare to Front of MODE is more accurate and faster than the two other algorithms.

TL;DR: In this paper, the influence of sisal fibres on impact resistance of structural concrete was investigated and the performance was compared with that of polypropylene (PP) and steel fibres.

TL;DR: In this paper, the catalysts used for producing FAME and renewable biodiesel are presented, as well as reaction mechanisms and kinetics of both types of reactions are discussed, and different technologies and production methods employed for FAME/ biodiesel synthesizing are discussed.

TL;DR: The effectiveness of the presented work is compared with the conventional Ziegler-Nichols method and other existing nature inspired optimization methods such as PSO and Firefly algorithms, and the same is validated through real-time implementation with dSPACE DS1103 controller board.

TL;DR: This research aims to demonstrate a methodology to find the least cost design, in term of material volume, by finding the optimal profile of a deck concrete arch bridges using Genetic Algorithms technique.

TL;DR: In this article, the authors analyzed the self-healing capability of early age and structural cracks in concrete by using crystalline admixture as selfhealing agent under four different exposure conditions.

TL;DR: In this paper, the effect of marble and granite dust particle sizes and their content on the physical and mechanical properties of high density polyethylene composites was investigated through thermogravimetric analysis, differential scanning calorimetry (DSC), thermomechanical analysis (TMA), offset yield strength, compression strength and hardness.

TL;DR: The results clearly show that the proposed PSO-P-I-D-MPSS improves the dynamic stability of the power system under wide range of operating conditions.

TL;DR: In this paper, the authors introduced a theoretical framework and simultaneously expressed basic aerodynamic studies to reduce drag coefficient performance of aerodynamic modification approaches including chamfered, rounded, and recessed corners as well as the performance of a tall triangular building of about 120m (40 stories).

TL;DR: The main objective of this paper is to examine the role of VM in Controlling Cost Overrun with special reference to Residential Projects in Egypt, where it was observed that it could achieve 15–40% savings of the total project cost.

TL;DR: A smart differential protection scheme for a microgrid system using a nonlinear signal transformation named as ‘mathematical morphology (MM)’ is introduced and the experimental outcomes confirm the efficiency and reliability of the offered microgrid protection scheme (MPS) in diverse operating condition.

TL;DR: Performance of the proposed method is tested for numerous fault cases and non-fault cases by generating data through MATLAB/Simulink software on a two-bus test power system and clearly shows that using the proposed technique a fast and reliable fault detection and classification task can be accomplished.

TL;DR: From the results of the proposed method, it is found that the method could detect and differentiate HIFs from other disturbances in less time compared to other methods with high security and dependability.

TL;DR: In this paper, the authors assess the accuracy of each model and propose an arrangement from the best to the lower accuracy according to a proposed method combined of three criteria which are: simplicity of the formula, maximum deviations and the coverage of the entire range of Moody diagram.

TL;DR: The results show that, the IGA outperforms the GA in reaching lower cost, especially for high number of customers, and the superiority of the obtained solution performance is basically achieved on the expense of computational time.

TL;DR: In this article, the influence of using dry and wet wastewater sludge in concrete mix on its physical and mechanical properties as a new way of discarding the produced sludge from the wastewater treatment plants.

TL;DR: It is confirmed that Multi-Objective Chaotic Mutation Immune Evolutionary Programming (MOCMIEP) outperformed the Multi-objective Evolutionary programming and Multi- objective Artificial Immune System in most cases.

TL;DR: In this article, the influence of discontinuous structural synthetic fibers (DSSF) on the bond-slip behavior between concrete and carbon fiber reinforced polymer (CFRP) composites was investigated using a double-shear pull-off test.

TL;DR: A digital model of decentralized Load Frequency Control is presented using an optimal PID controller-based Particle Swarm Optimization (PSO) in Egyptian Power System (EPS) considering communication delays to effectively regulate the system frequency and guarantee robust performance under different conditions.

TL;DR: Modelling of IP system is carried out and then verifies the model through comparison with other models in literature, and the superiority of the controller which is tuned by using GSA (PID-GSA) is proved.

TL;DR: In this article, a 3D finite element models for a fractured tibia with Stainless Steel (SS) and Carbon/hydroxyapatite (C/HA) bone-plates are analyzed using ANSYS workbench.

TL;DR: This study presents an overview of different cryptographic algorithms, based on different schemes in the outsourced database security and query authentication, and proposes a new architecture that achieves the confidentiality and integrity of query results of the outsourcing database.

TL;DR: The research aims to better understand the impact smart material systems have on the design and construction processes, and to explore the way to create architecture with better adaptive characteristics, to ultimately reach the state of “adaptiveness”.

TL;DR: The study revealed that energy efficiency, materials and resources are the most covered aspects in Egyptian curriculums while Management and Innovation are not well covered in Egyptian high educational facilities.

TL;DR: In this article, the viscous dissipation of heat transfer of poiseuille fluid flow of two-step exothermic chemical reaction through a porous channel is investigated under different chemical kinetics.

TL;DR: In this article, the authors identify key threats arising from the internal and external environment of stakeholder's organization during the construction of infrastructure projects and present a full risk register that presents identified challenges gathered from the literature as well as agreed risks which resulted from the Egyptian case study.

TL;DR: A composite model of Glucagon-Glucose Dynamics is treated for type 1 diabetes mellitus to check the linear controllability and observability of the model and the stability analysis by using Lyapunov function and this may be show vital part in the progress of fully automatic artificial pancreas and stabilize the control loop system for the Glucose Insulin Glucagons pump.