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119 articles for “Stiffness”
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Experimental and Finite-Element Analysis of Tee Joint’s Stiffness Characteristics of A3003 Honeycomb Core Sandwich Panels
Abstract: Aluminum honeycomb is used as a core material for sandwich panels of floors, roofs, doors, partitions, working surfaces for automatic machines, and for all products which require high degree of flatness and optimal stiffness-to-weight ratio. Invariably, in the fabrication of the above panels, butt and tee joints are encountered so as to get the required complex shapes. In this paper, various edging and configuration details that have been used to …
Published in International Journal of Mechanics and Design · Vol. 4, Issue 2, 2018 · pp. 21–29 Read article
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An Optimum Stringer for Straight and Curved Stiffened Panels Using X-FEM Techniques
Abstract: In this study, crack growth, modeling and simulation of various stiffened stringers, unstiffened straight and curved cracked panels are presented using commercially available finite element software package. Computation of stresses and convergence of stress intensity factor for single-edge notch specimens computed using finite element method (FEM) and extended finite element method (X-FEM) and compared with analytical solution. X-FEM techniques like cohesive segment method and linear elastic fracture mechanics, using virtual …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 4, Issue 2, 2018 · pp. 1–11 Read article
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Finite Element Modeling of Deep Reinforced Concrete Beams with Web Openings
Abstract: The effects of openings on the ultimate capacity of deep beams have been studied experimentally by many researchers. However, there’s still need for analytical study using numerical methods and also the development of simple stiffness reduction models that can be easily used for quick prediction of the effects of opening sizes on the stiffness of deep reinforced concrete beams. This study is focused on modeling the behavior of deep reinforced …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 4, Issue 2, 2018 · pp. 22–30 Read article
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ANALYTICAL STUDY OF SEISMIC RESPONSE OF DOUBLE TOWER BUILDING ON A COMMON PODIUM
Abstract: Abstract The recent surge in global population, particularly in urban areas, has led to a significant rise in the demand for tall buildings structures featuring multiple towers on a shared podium. Such complex configurations often result in intricate interactions between towers and podium structures, particularly under lateral loads induced by earthquakes. One of the critical structural behaviours observed in such systems is the backstay effect, which arises due to discontinuities …
Published in International Journal of Structural Engineering and Analysis · Vol. 11, Issue 2, 2025 · pp. 9–19 Read article
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Evaluating the Rate of Response on Asphalt Concrete Mix Permeability Influenced by Non-Bituminous Modifier on Light Traffic
Abstract: Characterization of material property is fundamental in the Mechanistic-Empirical design of flexible pavement. One such key material property is the stiffness of the pavement these influences tensile strain levels and is imperative for either the determination or pavement cracking synonymous with pavement life. It is on this basis, that the present study explored techniques that will improve the performance of flexible road pavement by modifying its stiffness; dynamic modulus, E* …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 4, Issue 1, 2018 · pp. 33–39 Read article
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Emerging Trend of Rubber and Polymer Nano-composites
Abstract: This review is a description of rubber and polymer constituted forms to enhance desirable properties. Fibre reinforced thermo-setting polymers are constituted from fabrics in polymer, which cross linked matrix has stiff and tough properties after addition of another constitutive. Electrical stress originating in hot spots has removed after use of proper nano filler in place of two type coats on electrical cables. Increasing performance oriented properties have subjected additional descriptive, …
Published in International Journal of Applied Nanotechnology · Vol. 7, Issue 1, 2021 · pp. 9–17 Read article
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Strain Based Approach to the Fatigue Evolution Modeling of Concrete under Tension-Tension Loading
Abstract: Abstract: Strain based Approach to the Fatigue Evolution Modeling of Concrete under Uniaxial Tension-Tension Loading plays a very important role in the evaluation of the material properties of concrete utilizing strain analysis methods, the nonlinear fatigue strain evolution model is proposed, and the hypothesis of recycle ratio related fatigue strain amplitude causes stiffness degradation and inelastic deformation is briefly described which are the essential material properties of concrete. This paper …
Published in International Journal of Composite Materials and Matrices · Vol. 5, Issue 1, 2019 · pp. 36–56 Read article
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FEA Analysis on Motor Support Assembly of Window Air Conditioner
Abstract: The objective of this paper is to analyze and optimize the motor support assembly of the window air conditioner. The redesigned motor support assembly is the combination of multiple parts of the existing product. In the motor support assembly, motor support base part is optimized to reduce the weight of the component with maximum stiffness for the applied loads and constraints. The CAD model of motor support assembly is performed …
Published in International Journal of Manufacturing and Materials Processing · Vol. 5, Issue 1, 2019 · pp. 49–56 Read article
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Correlating the Strength Parameters of Rubber Modified Asphalt Concrete
Abstract: Building verified models can help in predicting performance characteristics of asphalt concrete and saving time and money. An attempt has been made in the present investigation to prepare asphalt concrete mixtures for wearing course. Crumb rubber was implemented to prepare modified asphalt binder, which was obtained from Nasiriyah, Erbil, and Dourah oil refineries. Asphalt concrete specimens of control and rubber modified binder have been prepared and tested for Marshall stability, …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 7, Issue 1, 2021 · pp. 15–20 Read article
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Modeling the Energy Characteristics of Isotropic Harmonic Oscillations using 3D Analysis
Abstract: In this research, a mathematical model was developed to monitor, predict and simulate the energy characteristics of Isotropic Oscillator using 3-dimensional approach. In the model Langrange concept was applied L = , and was expressed as a function of stiffness, k and mass, m, which was modified as . MATLAB R2015 was used to monitor, predict and stimulate the formulated model in relationship with the stiffness varying with mass and …
Published in International Journal of Energetic Materials · Vol. 5, Issue 2, 2019 · pp. 31–41 Read article
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Dynamic Analysis of a Multi-geared Rotor Shaft System
Abstract: Gear systems are the toothed members in which the main aim is to transmit power or motion between two shafts by meshing without any slip. Motion and power transmitted between the shafts are kinematically equivalent to power or motion transmitted between frictional wheels. Vibration of gear system causes unwanted noise such as gear whirling. Noise and vibration signals from machine can contain vital information about the internal processes and provide …
Published in International Journal of Mechanics and Design · Vol. 4, Issue 2, 2018 · pp. 15–20 Read article
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Plates, Shells and Their Composite Structures
Abstract: Review of the impact of large nonlinear deformations on plate and shell response. The approach ofmodelling discrete reinforcements and the smeared stiffeners technique suited to stringers with tightspacing are both presented in relation to the analysis of stiffened plates and shells. The behaviour andstrength of plates and shells are demonstrated to be affected by apertures and cut-outs, both locallythrough the localization of stress and globally through the effects on stiffness. …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 8, Issue 1, 2022 · pp. 11–14 Read article
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ANALYTICAL STUDY ON THE DYNAMIC BEHAVIOR OF RC HIGH-RISE BUILDINGS WITH STAGGERED OPENINGS IN SHEAR WALLS
Abstract: ABSTRACT - This research investigates the seismic performance of a 15-storey reinforced concrete building with varying shear wall configurations, focusing on the effects of vertical and staggered openings. The study compares three models: one with solid shear walls, one with vertical openings, and one with staggered openings. Using ETABS V21 software and performing the analysis in Seismic Zone IV under the Response Spectrum Method (IS 1893:2016), the results show that …
Published in International Journal of Construction Engineering and Planning · Vol. 11, Issue 2, 2025 · pp. 35–50 Read article
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Behaviour of Vertically Loaded Piled Raft
Abstract: In order to understand the load-settlement behaviour and load sharing of piled raft resting on sand soil, 1-g model tests were conducted.The parameter studied were the influence of pile spacing and number of piles. The testing program includes tests on models of unpiled raft and rafts on 4 and 9 piles. The model piles beneath the raft are non-displacement piles.The improvement in ultimate bearing capacity is represented by load improvement …
Published in International Journal of Geological and Geotechnical Engineering · Vol. 1, Issue 1, 2015 · pp. 1–8 Read article
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Strain Life Approach for the Fatigue Evolution Model of Concrete under Constant Amplitude Bending Fatigue Loading
Abstract: Strain life approach for the fatigue evolution model of concrete under constant amplitude bending fatigue loading plays a very important role in the material properties such as the fatigue strain, fatigue modulus and fatigue damage, presented in this paper by the nonlinear fatigue evolution model, and the hypothesis of recycle-ratio-related fatigue strain amplitude that causes stiffness degradation and inelastic deformation. The fatigue evolution model of concrete under constant amplitude bending …
Published in International Journal of Structural Engineering and Analysis · Vol. 5, Issue 1, 2019 · pp. 35–60 Read article
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Thermal Effects on Elastic and Rigidity Modulus of Flexible Pavement Wearing Course
Abstract: Laboratory investigation of flexible pavement was carried out using asphalt concrete samples to simulate the behaviour of actual field conditions of a flexible pavement. The study was carried out in order to ascertain the changes that will result in the elastic and rigidity (shear) modulus of flexible pavement when subjected to increasing temperature conditions (thermal effect). The study became pertinent because mechanistic design of flexible pavement requires as input the …
Published in International Journal of Transportation Engineering and Traffic System · Vol. 3, Issue 2, 2017 · pp. 1–7 Read article
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Market Assessment of Polymer Matrix Composites
Abstract: Polymeric composition compound with a plasticizer or very low proportion of pigment or processing aids are nonordinary consider as a composition the goal is to improve strength stiffness or toughness or dimensional stability by embedding particles in matrix or binding phase. Polymer-matrix composites are valued in the aerospace industry for their stiffness, lightness, and heat resistance. They are fabricated materials in which carbon or hydrocarbon fibres (and sometimes metallic strands, …
Published in International Journal of Composite Materials and Matrices · Vol. 3, Issue 1, 2017 · pp. 16–22 Read article
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Identification of Axial Air-Foil Bearings and Radial Air-Foil Bearings
Abstract: Air-foil bearings (AFBs) are self-acting hydrodynamic bearings, a shaft is supported by a compliant, spring-loaded foil journal lining. Once the shaft is spinning fast enough, the working fluid (usually air) pushes the foil away from the shaft so that there is no contact. The shaft and foil are divided by air's high pressure which is produced by the rotation which pulls gas into the bearing via viscosity effects. AFBs provide …
Published in International Journal of Mechanics and Design · Vol. 3, Issue 1, 2017 · pp. 1–8 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 Deformation Behavior of a Structural Pipe Bracket Under Static Loading Using Finite-Element Analysis
Abstract: This study presents a comprehensive structural integrity assessment and comparative static response analysis of an industrial support bracket subjected to varying mechanical loading conditions using the finite element method (FEM). Industrial brackets are essential load-bearing components in mechanical and structural systems, where adequate stiffness, strength, and dimensional stability are critical for ensuring operational reliability and structural safety. The primary objective of this investigation is to evaluate the influence of material …
Published in International Journal of Structural Mechanics and Finite Elements · Vol. 12, Issue 2, 2026 · pp. 1–12 Read article