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1871 articles for “Paper”
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Vibration Analysis of Sandwich Beams Using 3-Noded Beam Element
Abstract: One-dimensional 3-noded finite element model is developed in this paper for the vibrational analysis of composite sandwich beam for various boundary conditions, using the efficient layer wise zigzag theory. To come across the convergence necessities for the weak integral formulation, fifth power Hermite interpolation is utilized for the transverse displacement and quadratic interpolation is utilized for the axial displacement and shear rotation. Element every node has four degrees of freedom. …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 2, Issue 2, 2016 · pp. 10–18 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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3D Stress State Dependent Failure Model for Fracture Simulations
Abstract: The state of stress is defined by triaxiality (hydrostatic pressure) and the lode angle parameter (deviatoric stress third invariant). The stress state not only varies with different kinds of loading but also with the location of the stress concentration, geometry of specimen and deformation. The LS-DYNA implementation of a strain-based, stress state dependent failure criterion for a ductile material is investigated through simulations of standard experiments in this paper. A …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 2, Issue 1, 2016 · pp. 44–65 Read article
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Ship Collision analysis of tanker using finite element method at high and low impact velocities
Abstract: The aim of this paper presents a study of ships collision to improve crashworthiness of double side tanker ships and minimize accidental oil spills in the event of collision. Structural design of ships against collision requires prediction of the extent of damage to ship structures subjected to impact. Ship design against conventional loads such as shearing, bending and local buckling and the accidental loads requires applying different stiffening systems for …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 2, Issue 2, 2016 · pp. 33–43 Read article
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Evaluation of Various Numerical Methods in Large Scale FE Simulation Codes for 3D Crack Propagation
Abstract: In this paper, four different numerical methods implemented in the large scale simulation code LS-DYNA are evaluated to determine their abilities and limitations in fracture problems especially 3-d crack propagation problems. Similar formulations are implemented in the code ABAQUS as well. These methods are: Finite Element Method (FEM), Discrete Element Method (DEM), Element Free Galerkin (EFG) method and Extended Finite Element Method (XFEM). Their methodologies are briefly described and several …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 2, Issue 2, 2016 · pp. 44–66 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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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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Seismic Assessment of Reinforced Concrete Structures Coupled with O-Grid Bracing Systems
Abstract: The greatest challenge for structural engineers is to design the structures to be earthquake resistant. Basically, the earthquake-resistant design of reinforced concrete structures is a force-based design. When a structure is designed for seismic resistance, various systems are embedded into the structure so as to resist the lateral forces. One of the systems, which are used for resisting lateral forces, is to provide the structures with different types of bracings. …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 5, Issue 1, 2019 · pp. 4–13 Read article
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Analytical Modeling of Brick–Mortar Couplet
Abstract: This paper is a presentation of the finite element modeling of stress in a brick–mortar couplet. The brick–mortar couplet here serves as a meaningful substitute for a brick wall structure. In this work, the basic steps in derivation of the element stiffness matrix for a plane stress problem using the displacement approach are presented. The main purpose in the work is to verify the nodal displacements, which in turn would …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 6, Issue 1, 2020 · pp. 5–13 Read article
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Experimental Test Results on the Effect of Ultrasonic Waves on Defects in Car Bearings: The Effect of Defect Size
Abstract: To check for defects in car bearings, they are identified and measured by sound waves that are affected by the defect. Based on sound, it is called ultrasound technology because it uses high frequencies. High frequencies are the basis of ultrasound. Two features are useful for low-speed cars, which by definition usually have poor signal tolerance. High frequencies are sensitive to the effects of sound waves. In addition, the ultrasound …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 7, Issue 1, 2021 · pp. 14–21 Read article
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Structural Analysis of Trolley Body
Abstract: The importance of structural analysis for trolley bodies or other machine bodies is that it serves as afoundation for structural design and determines if a certain structural designwill be able to handleexternal and internal loads and pressures. Generally, the trolleys are used in wide range for manypurposes which carries out the work of carrying loads from one place to another. Analysis for trolleybody is mostly demanded because of the high …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 7, Issue 2, 2021 · pp. 35–46 Read article
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Experimental Investigation of Jatropha, Karanja, Mahua and Polanga oils based biodiesel using Analysis of Variance
Abstract: The paper focused on application of ANOVA in predicting statistical model of four non-edible oils based biodiesel using design expert 6.0.8 tool. The response surface methodology using Central composite rotatable design is applied to design the experiments and the biodiesel yield of Jatropha, Karanja, Mahua, Polanga oils is to be measured. The optimum process parameters for biodiesel yield are predicted through desirability approach. It has been observed that a design …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 9, Issue 1, 2023 · pp. 1–8 Read article
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Enhancing the Performance of Vertical Cryogenic Insulated Cylinders: A Study on Neck Tube Thermal Stress using ANSYS Software
Abstract: An essential supporting component of cryogenic insulated cylinders is the neck tube. The root of the neck tube, which serves as a crucial support structure between the inner and outer vessels in cryogenic insulated cylinders, turns out to be the weakest link due to a hole in the inner upper end for joining. This paper's major goal is to offer research on thermal stress analysis and the optimal construction of …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 9, Issue 1, 2023 · pp. 37–49 Read article
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Vibration Control Techniques for Flexible Space Structures: A Review
Abstract: Flexible space structures are susceptible to vibrations caused by a variety of external factors, including mechanical disturbances, temperature fluctuations, and microgravity environments. It Is Essential To Manage These Vibrations To Insure The Performance, Stability, And Durability Of Space Systems. This review paper provides a thorough analysis of the most effective state-of-the-art vibration control methods used in flexible space structures. Numerous Active, Semi-Active, and Passive Control Strategies Are Examined, Along With …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 9, Issue 2, 2023 · pp. 26–31 Read article
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Advancements in Computational Methods for Solving Structural Dynamics Problems
Abstract: Significant difficulties come with structural dynamics problems in a variety of engineering fields, such as mechanical, aerospace, and civil. The need for dependable, precise, and economical computational techniques to handle these problems has fueled ongoing progress in the area. This paper highlights the benefits, drawbacks, and uses of recent improvements in computational techniques for tackling structural dynamics issues. We talk about meshless methods, finite element methods (FEM), boundary element methods …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 9, Issue 2, 2023 · pp. 15–19 Read article
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Nursing Challenges in Care of Patient with Transcatheter Tricuspid Valve-in-Ring Implantation with Infective Endocarditis
Abstract: Tricuspid regurgitation may not have symptoms or may have vague symptoms until it is severe.Untreated, severe tricuspid regurgitation may have poor prognosis. Pacemaker lead associatedInfective endocarditis is a serious complication of pacemaker lead implantation. Transcatheter heartvalve (THV) therapies provide hope to patients who have high risk for surgical valve replacement. Themode of treatment is chosen based on the nature of the disease, hemodynamic stability, severity of thedisease, organism causing infection. …
Published in International Journal of Cardiovascular Nursing · Vol. 7, Issue 2, 2021 · pp. 1–8 Read article
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Human papillomavirus: a review of DNA based therapeutic cancer vaccines routes of administration
Abstract: Human Papillomavirus is the most common sexually transmitted infection. While the virus cancause many negative health effects in both males and females, the most concerning and common ofthese is cervical cancer in females. Immunization is not effective in clearing HPV infection that isalready present. Therefore, there is a need for therapeutic vaccines that work to combat the virusin an individual who has already been exposed and has a persistent infection …
Published in International Journal of Immunological Nursing · Vol. 7, Issue 1, 2021 · pp. 5–13 Read article
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Small Bowel Obstruction: Lithobezoar and Trichobezoar
Abstract: Bezoar is defined as the accumulation of undigested foreign bodies or nutrients in the gastrointestinal tract. These foreign bodies can be fibers or seeds of vegetables and fruits (phytobezoar), hair (trichobezoar), or remnants of milk (lactobezoar), stones (lithobezoar) and. undigested medicine (pharmacobezoar). Lithobezoar, the accumulation of stones in the digestive tract, is commonly seen in stomach and trichobezoar is accumulation of hair in the digestive tract, is commonly seen in …
Published in International Journal of Medical Surgical Nursing · Vol. 2, Issue 1, 2019 · pp. 1–4 Read article
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Managing Exacerbation of asthma
Abstract: Asthma is an inflammatory disease of the Airways and is a common chronic health problem to school age children which affect their performance as well as quality of life call 2011 exhibitions for a series of events that it your rate the pre-existing health problems mattress paper door polish 2012 multiple factors lies Black Or Hispanic ethnicity and 48 replies lack of insurance respiratory infections allergens and improper use of …
Published in International Journal of Medical Surgical Nursing · Vol. 3, Issue 2, 2020 · pp. 16–21 Read article
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Conceptual Framework: Goal setting theory; Effectiveness of Blended educational strategy among nursing students on significance of Simulation
Abstract: Background: In this study the researchers designed conceptual framework to project an organizing structure for the study project to direct, develop and test of hypotheses and to place research finding within the context of science. Selection of an appropriate and useful framework is an essential step in the development of a research project. Aim: of this paper is to discuss the use of the Dr. Edwin Locke and Dr. Gary …
Published in International Journal of Medical Surgical Nursing · Vol. 5, Issue 1, 2022 · pp. 39–43 Read article