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510 articles for “elements”
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Increasing an overall equipment effectiveness visibility and analyzing in a manufacturing industry
Abstract: The exploration for improving productivity in the current global competitive environment has created a need for rigorously defined performance measurement system in a manufacturing process. OEE, a vital KPI of TPM is used to evaluate performance and productivity of the machine. OEE is one of the performance evaluation methods that are most common and popular in the production industries. This paper tries to evaluate the OEE of machines in a …
Published in International Journal of Manufacturing and Materials Processing · Vol. 2, Issue 2, 2016 · pp. 89–103 Read article
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A Computational Study of Solar Air Heater for Its Performance Enhancement by Numerical Approach Using Standard CFD Tools
Abstract: In the following report, the main objective is to calculate the efficiency of the solar air heater, mean exit temperature of air using CFD (Computational Fluid Dynamics) simulation. CFD software promises to be a futuristic field of application especially in the field of thermal engineering. The analysis is performed on a two dimensional built solar air heater. The geometry modelling is done in “Gambit” software followed by its analysis for …
Published in International Journal of Computer Aided Manufacturing · Vol. 1, Issue 2, 2016 · pp. 21–27 Read article
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Detection of Road Objects and Road Signs from 3D Mobile Mapping System
Abstract: As the number of practical applications of point clouds from a mobile mapping system (MMS) increases, the use of modeled data from MMS has also increased in many fields. However, the data-modeling process is costly. Therefore, in order to make the modeling process efficient, a method of recognizing road objects is needed. Conventional methods cannot recognize objects that include various shapes such as walls and guardrails, or objects that are …
Published in International Journal of Computer Aided Manufacturing · Vol. 3, Issue 1, 2017 · pp. 26–30 Read article
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Structural Analysis of the Ramsbottom Safety Valve using Fusion 360
Abstract: In this paper, a finite element analysis was first used to calculate the static displacements and stresses under the maximum loads in the body of the Ramsbottom Safety Valve, which was then used for point evaluation. Fatigue analysis and longevity were assessed through the use of Fusion 360 software. In recent years, the need to understand the performance of a product over its life cycle has increased drastically. The development …
Published in International Journal of Computer Aided Manufacturing · Vol. 7, Issue 2, 2021 · pp. 30–37 Read article
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A Comprehensive Combustion Kinetics Modeling Study of Iso-Octane and Air Mixtures
Abstract: The oxidative behavior of the iso-octane (2,2,4-trimethylpentane) has been studied in a range of experimental facilities in order to investigate the relatively unexplored combustion chemistry of the title species and to provide combustor relevant experimental data. The ignition of iso-octane/air and iso-octane/O2 mixtures was studied at temperatures of 600–1300 K, pressures of 1–50 atm, and equivalence ratio 0.5 to 2. This study has been conducted analytically using a kinetic scheme …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 4, Issue 2, 2018 · pp. 30–38 Read article
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Performance of Industrial Gas Turbines through Blade Design and Cooling Strategies
Abstract: Industrial gas turbines are steam engines that leverage an ongoing stream of high pressure air togenerate mechanical power. These machines can be used for a variety of industrial applications,including that of the manufacturing of electricity, oil and gas, and the propulsion of ships andplanes. The classification can be made of an industrial gas turbine are a turbine, a combustionchamber, and a compressor. Incoming air is compressed by the compressor to …
Published in International Journal of I.C. Engines and Gas Turbines · Vol. 8, Issue 2, 2022 · pp. 36–40 Read article
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Flutter study of a solar powered high-altitude long endurance UAV
Abstract: This paper presents an aero-elastic flutter analysis on a high altitude long endurance unmanned air vehicle. Numerical finite element analysis (FEA) based simulations for flutter have been carried using the commercial FEA package ANSYS. Analytical flutter analysis is performed to verify the FEA results. The analytic flutter analysis gives the divergence speed to be 32.7 m/sec. The numerical flutter analysis of the rudder shows the bending and torsional modes for …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 2, Issue 2, 2016 · pp. 01–09 Read article
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Investigation On Behavior Of Cold Formed Steel In Beam Column Connections
Abstract: Cold form steel structures are used for numerous purposes in construction industry. An attempt has been made in this study to check the behavior of beam column connections by using self-tapered screw in cold form steel section theoretical, experimentally and analytically. Finally, the experimental results are compared with analytical results. This study aims at the following objective by test performed on cold formed steel section to check the behavior connections. …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 2, Issue 1, 2016 · pp. 66–70 Read article
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Slop-Moment Matrix Method and General Deflection Equation
Abstract: In this paper, Slop-Moment matrix method and general deflection equation will be presented, Slop-Moment matrix method is a method for structural analysis by which the support moments can be found for structural elements (1-d) like beams, one-way slabs, bridge girder,…etc. it enables the engineers to conduct structural analysis with very wide options, There are no limitations on number of spans, number and type of loads, end support conditions, section property …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 3, Issue 1, 2017 · pp. 1–6 Read article
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Numerical Study of Vibration Stress and Deformation of Rotating Fan Blade of a Gas Turbine
Abstract: The vibration stress caused by resonance is the main cause of failure in aircraft engine blades. The study is aimed at investigating the vibration stress of a single-stage fan blade influenced by the interaction of aerodynamic and structural behavior at multiple critical speeds. A three-dimensional finite element model of the blade was developed for the simulation of vibration stress and its subsequent effects. The blade was verified by modal test. …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 3, Issue 1, 2017 · pp. 7–20 Read article
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Wheelchair Design Analysis by Using Ethnographic Research
Abstract: This work focuses on benefits of introducing ethnographic research into specifically design engineering field. Ethnographic research is an emerging branch of research which uses scientific techniques like anthropology and sociology. Ethnographic research is done through participant observations and field work [5]. In ethnographic study, minds of people or groups of people are studied. Such method of research can be very useful in analyzing the reliability of a design of engineering …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 3, Issue 1, 2017 · pp. 21–29 Read article
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Prediction of Hydro-dynamic Force Coefficients and Shedding Frequency during Vortex Shedding Behind a Stationary Cylinder
Abstract: Vibration of slender cylinders caused by the shedding of vortices at the wake, known as vortex induced vibrations (VIV) is a topic of great research interest, since the phenomenon can reduce the fatigue life of marine risers, which are subjected to complex flow conditions in ocean environment. This paper studies in detail the accuracy with which hydrodynamic forces are predicted by different turbulence models such as k–ε and k– ω-shear …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 4, Issue 1, 2018 · pp. 41–52 Read article
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FE Modelling and Analysis of Mixed Mode Delamination in Composite Laminates
Abstract: A composite is a structural material that consists of two or more constituents combined at a macroscopic level and not soluble in each other. The advantages of composites over conventional materials are its light weight, high strength, design flexibility, dimensional stability, etc. Although Composite materials are advantageous than conventional materials, there are some defects in composite materials too, which are Fibre-matrix debonding, fibre misalignment, Delamination, Matrix cracking, Impact damage, etc. …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 4, Issue 2, 2018 · pp. 31–57 Read article
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Optimisation of Ratio of Center Distance of Adjacent Hole to Diameter of Pre-stressed Holes by FEA
Abstract: Residual compressive stress zone around a fastener hole is introduced by a process called pre-stressing. This is being done to reduce adverse effect of cyclic tensile stress and to restrict the fatigue crack growth due to material flaws or imperfect surfaces. The objective of this investigation is to optimize the inter-hole distance between adjacent cold expanded holes on a plate restricting the deformation of material between holes to the elastic …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 6, Issue 2, 2020 · pp. 40–48 Read article
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Numerical Analysis of Energy Absorption Ability of Polygonal Tubes under Crushing
Abstract: Honeycomb panels are used mostly in energy absorption application in engineering fields such as aerospace, transportation and packaging, etc. Honeycomb panels have good stiffness and are weight efficient structures. The honeycomb core consists of cellular cells. The core cell’s geometry of honeycomb affects the energy absorption ability. In this study, the different geometries of individual cell are analysed in tube form. Tubes of different geometries like square, pentagon, hexagon, octagon, …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 7, Issue 1, 2021 · pp. 22–30 Read article
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Sub-structure Geometry Effect on Energy Absorption Ability of Hierarchical Honeycomb under Crushing
Abstract: Honeycomb structures are stiff and light weight composite structures which show good energy absorption. Hierarchical honeycomb structures which are bio-inspired innovative form of honeycomb structure, are used for energy absorption applications. The crashworthiness of hierarchical honeycomb structures is function of sub-structure geometry. In the present investigation, crushing of vertex based hierarchical honeycomb with regular polygonal (n=3, 6, 9, 12, 15) and circular substructures is analysed using nonlinear explicit finite element …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 7, Issue 2, 2021 · pp. 1–17 Read article
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Structural Mechanics: Its Boundary Conditions and Applications
Abstract: Structural mechanics is the study of the calculation of deformations, deflections, internal forces, orstresses (stress equivalents) within structures, either for design or for performance assessment ofalready-existing structures. An area of structural analysis is this. Structural loads, the geometricrepresentation and support circumstances of the structure, as well as the material properties, are allinput variables for structural mechanics analyses. Support responses, strains, and displacementscould all be included in the output numbers. The …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 8, Issue 1, 2022 · pp. 19–23 Read article
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Assumptions, Limitations and Applications of Bernoulli’s Equation
Abstract: The Euler-Bernoulli beam theory, also called “beam theory”, is a condensed version of the linearisotropic theory of elasticity and can be used to predict the load-carrying and deflection properties ofbeams. It was initially stated around the year 1750, but it was not widely used until the Eiffel Towerand the Ferris Wheel were built in the late 19th century. It immediately became an engineering pillarand a catalyst for the Second Industrial …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 8, Issue 1, 2022 · pp. 15–18 Read article
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Insight into the Manifestation of Hyperlipidemia and its Amelioration by Natural Resources
Abstract: Hyperlipidemia is among the most important dangerous elements for the. Cardiovascular disease high rate the leading causes of mortality include coronary heart disease, stroke, atherosclerosis, and hyperlipidemia. blood total and (LDL) cholesterol increase have been identified as crucial contributors to CVD risk. Hyperlipidemia is a disorder in which the blood has unusually high quantities of lipid or fatty compounds. To avoid atherosclerosis-related illnesses, hypolipidemic medications are commonly utilized as preventive …
Published in International Journal of Cardiovascular Nursing · Vol. 9, Issue 1, 2023 · pp. 1–11 Read article
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Short Communication: Water Borne Diseases – Their Knowledge and Prevention
Abstract: Water borne diseases refer to the infections and diseases that are spread primarily due to contaminated water. Water is a common healer universally. It is synonymous with life. A basic necessity water is nature’s most generous gift to man. It's one in every of man’s most vital assets. Water is a vital element in economic, social and cultural development of a group.
Published in International Journal of Immunological Nursing · Vol. 2, Issue 1, 2016 · pp. 37–38 Read article