World Journal of Engineering: Volume 19 Issue 5

Effect of the capacity ratio developed at column-beam nodes and evaluation of its random degradation impact on the formation of global ruin mechanisms

Amar Messas, Karim Benyahi, Arezki Adjrad, Youcef Bouafia, Sarah Benakli

The purpose of this study, is to deals with capacity design (strong column – weak beam) in reinforced concrete frames, slightly slender, which depends on the determination of a…

Assumed strain finite element for natural frequencies of bending plates

Faiçal Boussem, Abderahim Belounar, Lamine Belounar

This paper aims to describe the formulation of a new finite element by assuming the strain field rather than the displacement field and by using the Reissner–Mindlin plate theory…

Performance of spent garnet sand and used foundry sand as fine aggregate in concrete

Naga Rajesh Kanta, Markandeya Raju Ponnada

In the construction sector, river sand has turned into a costly material due to various reasons. In the current study, used foundry sand (UFS) and spent garnet sand (SGS) are used…

Influence of fiber stacking sequences and matrix materials on mechanical and vibration behavior of jute/carbon hybrid composites

Sathiyamoorthy Margabandu, Senthil Kumar Subramaniam

The study aims to investigate the influence of fabric hybridization, stacking sequences and matrix materials on the tensile strength and damping behavior of jute/carbon reinforced…

Impact of COVID-19 pandemic and the diagnosis of the virus in the human body

Bingi Manorama Devi, Sandeep Vemuri, A. Chandrashekhar, Sushama C., Praful Vijay Nandankar, Pankaj Kundu

The COVID-19 pandemic has led to a huge loss of human life worldwide and presents an unprecedented challenge to public health, food systems and the world of work. Tens of millions…

Color image watermarking using spatio-chromatic complex Hadamard transform in sequency domain

Dure Jabeen, S.M. Ghazanfar Monir, Shaheena Noor, Muhammad Rafiullah, Munsif Ali Jatoi

Watermarking technique is one of the significant methods in which carrier signal hides digital information in the form of watermark to prevent the authenticity of the stakeholders…

Numerical investigation of flow around a structure using Navier-slip boundary conditions

Sang-Do Choi, Tae-Soo Eum, Eun Taek Shin, Chang Geun Song

Complicated motion of vortex is frequently observed in the wake of islands. These kinds of swirling fluid cause the trap of sediments or pollutants, subsequently inducing the dead…

Control of inverters in standalone and grid-connected microgrid using different control strategies

Vikash Gurugubelli, Arnab Ghosh

The share of renewable energy sources (RESs) in the power system is increasing day by day. The RESs are intermittent, therefore maintaining the grid stability and power balance is…

High gain antenna for n260- & n261-bands and augmentation in bandwidth for mm-wave range by patch current diversions

Deepinder Singh Wadhwa, Praveen Kumar Malik, Jaspal Singh Khinda

A compact low-cost antenna structure is proposed to augment the impedance-bandwidth in mm-wave range. Beside it, the paper also aimed to enhance high gain for n260 and n261-bands…

A numerical technique and effect of magnetic field dependent (MFD) viscosity on thermal instability in a ferrofluid pores with Coriolis force for Darcy model

D. Murugan, R. Sekar

The effect of magnetic field dependent (MFD) viscosity on the onset of convection in a ferromagnetic fluid layer heated from below saturating rotating porous medium in the…

Multi-response optimization of process parameters in friction stir welded aluminum 6061-T6 alloy using Taguchi grey relational analysis

Nitesh Jain, Rajesh Kumar

Friction stir welding (FSW) is considered an environmentally sound process compared to traditional fusion welding processes. It is a complex process in which various parameters…

An analysis of hall currents on couple stress fluid heated from below with magnetic field

W. Stanly, R. Vasanthakumari

This study aims to focus on the effect of hall currents on the thermal stability of a couple-stress fluid with a uniform horizontal magnetic field.

Synthesis of chitosan-coated magnetite nanoparticles using co-precipitation method for copper(II) ions removal in aqueous solution

Aung Than Htwe, Min Thet Maung Maung, Zaw Naing

The purpose of this paper is to focus on the removal of copper(II) ions from aqueous model salt solution by using chitosan-coated magnetite nanoparticles.

Assessment of the aggressive agents' penetration into concrete by non-destructive techniques

Nassima Khial, Rabah Chaid

Around the world, many structures are affected by pathological reactions between the concrete and the surrounding environment in which these structures are designed, these…