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29 articles for “Boundary Conditions”
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IMPACT OF CLASSICAL BOUNDARY CONDITIONS ON BERNOULLI-EULER BEAM RESTING ON PASTERNAK FOUNDATION SUBJECTED TO CONCENTRATED MOVING LOAD WITH A DAMPING TERM
Abstract: Abstract The consequences of a uniform Bernoulli-Euler beam resting on a Pasternak foundation under the action of a focussed moving load with a damping term were investigated in this paper using the merely support, clamped-clamped, and clamped-free classical boundary conditions. The Laplace transform method, the extended finite integral transform, and Struble's asymptotic methodology were used to solve the governing equation after the Dirac delta function was expressed as a Fourier …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 11, Issue 2, 2025 · pp. 47–69 Read article
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Effects of Two Parameters Foundation on Uniform Elastic Beam Subjected to Concentrated Moving Loads with Clamped-Clamped Boundary Conditions
Abstract: AbstractThis study endeavors to explore the impacts of two foundational parameters on the dynamic response of a uniform elastic beam subjected to a concentrated moving load under clamped-clamped boundary conditions. The investigation employs the generalized Fourier integral transform alongside a series representation of the Dirac-Delta function, a modified version of Struble’s asymptotic method, and integral transformation techniques in tandem with convolution theory to derive solutions to the dynamic problem. The …
Published in International Journal of Mechanics and Design · Vol. 11, Issue 1, 2025 · pp. 15–28 Read article
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Free Vibration Analysis of Laminated Composite Plate with Various Boundary Condition Using FEM
Abstract: The vibration analysis of laminated composite plates is analyzed using finite element method. A suitable finite element model is proposed and developed based on first order shear deformation theory using ANSYS parametric design language (APDL) code. The model has been developed using an appropriate eight node isoparametric element (SHELL281) from the ANSYS element library. In this paper Numerical results have been computed for the effect of material properties, thickness ratio …
Published in International Journal of Composite Materials and Matrices · Vol. 2, Issue 1, 2016 · pp. 1–7 Read article
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Boundary Layer Separation with Steady and Unsteady Flow of Fluid and Slip and No-Slip Boundary Conditions: A Review
Abstract: Fluid mechanics is that branch of science which deals with the study of the static, kinematics and dynamic aspects of fluids (liquids or gases). By fluid statics, we mean the study of fluid at rest, by fluid kinematics we mean the study of fluids in motion when the pressure forces are not considered, and by fluid dynamics we mean the study of fluids in motion when the pressure forces are …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 6, Issue 1, 2020 · pp. 14–21 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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Free Vibration Analysis of a Centre-Cracked Plate at Various Orientations through Finite Element Method
Abstract: The free vibration analysis of square centre-cracked plate at various orientations is investigated using the finite element method. In this research, the effect of cracked orientation, variation in cracked length, and variation in thickness of the plate are investigated. Consideration for a variety of edge condition is given through a combination of simply supported, free boundary and clamped boundary condition and determined the mode shapes and natural frequency of a …
Published in International Journal of Composite and Constituent Materials · Vol. 4, Issue 1, 2018 · pp. 5–18 Read article
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Finite Element Analysis of Rectangular Plate of S460J2 With Multiple Circular Holes
Abstract: Stress concentration is the main root cause of failure of multi-hole plates in bi-axial loaded conditions. Therefore it is essential to study such Stress Concentration Factors (SCF) to achieve the failure criteria. The method used for analysis is FE analysis. The main cause of increment in the stress is the geometrical irregularity, which may be caused by the various machining operations. Some kind of operations also requires such irregularity for …
Published in International Journal of Mechanics and Design · Vol. 4, Issue 2, 2018 · pp. 7–14 Read article
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Flexural Analysis of Thick Beam Subjected to Sine Load Using Refined Shear Deformation Theory
Abstract: A Hyperbolic Shear Deformation Theory (HPSDT) taking into account transverse shear deformation effects is used for the static flexure analysis of thick isotropic beams. The displacement field of the theory contains two variables. The hyperbolic sine and cosine function is used in the displacement field in terms of thickness coordinate to represent shear deformation. The transverse shear stress can be obtained directly from the use of constitutive relations, satisfying the …
Published in International Journal of Structural Engineering and Analysis · Vol. 2, Issue 2, 2016 · pp. 8–19 Read article
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Calculate the natural frequencies with Cracked for Hybrid Unidirectional Composite Plate
Abstract: A mathematical model was built by using ANSYS (2D, 3D) models and MATLAB to represent composite materials. The natural frequencies were calculated for type of composite plates with of boundary conditions clamped from each edge (CCCC). In the vibration analysis, the finite element and MATLAB results showed there was an increase in the first, second and third natural frequencies by increasing the volumetric fraction of the fiber.In the cracked plate, …
Published in International Journal of Composite Materials and Matrices · Vol. 6, Issue 1, 2020 · pp. 5–16 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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Modeling, Analysis and Vibrational Behaviour of A Steam Turbine Blade
Abstract: In this research work, the 2nd LP stage of 250MW steam turbine that having 102 blades is considered and blade geometry for various cross-sections had developed with inputs given as co-ordinates which is from blade root to tip of the portion by using UNIGRAPHICS. In order to achieve its desired performance for a steam turbine blade, the blade material has to withstand ambient conditions such as loading, temperatures, pressures and, …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 6, Issue 1, 2020 · pp. 27–45 Read article
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Dynamics Behaviour of Clamped-Clamped Non-Uniform Elastic Beam on Two Parameters Foundation Under Concentrated Moving Load
Abstract: This paper presents a computational study on the dynamic response of a clamped–clamped non-uniform elastic beam supported by a two-parameter foundation and subjected to a concentrated moving load. The analysis incorporates the inertial contribution of the moving load. Unlike uniform models, both the mass per unit length and the moment of inertia of the beam are assumed to vary along the span LLL. The governing equations are solved using the …
Published in International Journal of Mechanics and Design · Vol. 11, Issue 2, 2025 · pp. 1–18 Read article
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Effect of the Conductor Sag on the Electromagnetic Transients in High Voltage Lines
Abstract: This paper addresses the effect of the conductor sag on the electromagnetic transients in high voltage lines. A time-domain model for their simulation is presented. It yields a set of simultaneous partial differential equations governing the voltage and current distributions in terms of both the time and location, as well as the corresponding initial and boundary conditions. An efficient Mathematica code is suggested for their numerical solution. The presented model …
Published in International Journal of Analog Integrated Circuits · Vol. 10, Issue 1, 2024 · pp. 8–16 Read article
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Flexure of Thick Fixed Beams Subjected to Varying Load using Shear Deformation Theory
Abstract: A refined shear deformation theory for flexural analysis of thick beams, considering transverse shear deformation effects, is developed. The number of variables as in the first order shear deformation theory is kept in present theory. The important feature of present theory is that the transverse shear stresses can directly be obtained using constitutive relations. The theory does not demand shear correction factors. The principle of virtual work is used to …
Published in International Journal of Structural Engineering and Analysis · Vol. 2, Issue 1, 2016 · pp. 23–31 Read article
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Thermo-elastic flexural analysis of cross-ply laminated beams
Abstract: The present paper is concerned with the thermal analysis of symmetric and antisymmetric cross ply laminated beams subjected to temperature distribution across the thickness of laminated beam. A higher order shear deformation theory is used. The displacement field in terms of thickness coordinate is expanded up to cubic term to have a quadratic variation of the transverse shear strains and transverse shear stresses. This avoids the need of shear correction …
Published in International Journal of Structural Engineering and Analysis · Vol. 6, Issue 1, 2020 · pp. 62–73 Read article
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Application of Schrödinger Wave Equation to Predict Wave Function on the Influence of Displacement
Abstract: This research work contains a review of the Finite-Difference Time-Domain method as applied to the time-dependent Schrödinger wave equation, and the basic update equations are derived in their standard form. A simple absorbing boundary condition was formulated and shown to be effective with narrowband wave functions. The stability criterion was derived from a simple, self explaining perspective and found to give better efficiency than earlier attempts. Conclusively, the idea of …
Published in International Journal of Energetic Materials · Vol. 5, Issue 2, 2019 · pp. 1–24 Read article
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Enhancing the Heat Transfer in the Thermal Chimney by Attaching the Fin under CFD Analysis
Abstract: The primary and secondary heaters in heat exchangers were numerically evaluated at nominal temperatures of 140°C for the primary heaters, 100°C for the secondary heaters, and 20°C for the ambient temperature in order to validate the design idea for enhancing the air temperature. The “convective heat transfer” of air in a thermal chimney built to laboratory size using two different types of electrical heaters and a rectangular cross-section of constant …
Published in International Journal of Mechanics and Design · Vol. 9, Issue 2, 2023 · pp. 9–26 Read article
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Fatigue Stress Analysis of Composite Material Leaf Spring
Abstract: The finite element (FE) modeling and analysis of a multi-leaf spring has been carried out. It includes two full-length leaves in which one is with eyed ends and seven graduated length leaves. Different types of material have been chosen like steel, aluminum, carbon epoxy and glass epoxy. The model of the leaf spring has been generated in Pro/e5.0 and imported in ANSYS-12 for FE analysis, which are the most popular …
Published in International Journal of Manufacturing and Materials Processing · Vol. 4, Issue 2, 2018 · pp. 30–33 Read article
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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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Dynamic and Fatigue Analysis of Engine Crank Shaft by Using FEM Approach
Abstract: The internal combustion (ICE) engine crankshaft is a high-volume manufacturing component with a complicated shape. This converts the piston's reciprocating displacement into the crank's rotating motion. In this research, an effort is made to investigate how geometry modification might increase the fatigue life of a single-cylinder engine crankshaft. SOLIDWORK software was used to construct the modelling of the original and optimised crankshaft, which was then imported for analysis into ANSYS …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 9, Issue 1, 2023 · pp. 18–36 Read article