Applied Mechanics
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Quasi-static and dynamic axial compression of glass/polyester composite hemi-spherical shells
(1999)An experimental investigation has been carried out to study the collapse mechanisms and the energy absorption capacities of the glass/polyester composite hemi-spherical shells under both quasi-static and drop hammer loading. ... -
Active control of non-linearly coupled TLP response under wind and wave environments
(1999)This paper deals with an active control strategy to check the non-linearly coupled response of a tension leg platform (TLP), a deep water semi-submersible type compliant offshore structure moored by vertical taut- cables ... -
Towards standardising a sub-size specimen for fatigue crack propagation behaviour of a nuclear pressure vessel steel
(1999)Constant load amplitude fatigue crack growth rate (FCGR) behaviour of A533B steel was studied using compact tension (CT) and three point bend (TPB) specimens. TPB specimens belonged to two categories, namely, span to width ... -
Prediction of error in finite element result
(1996)The precision in the results of analysis using the finite element (FE) technique requires that a structure to be analyzed shall be discretized using a finer mesh. The number of elements into which the structure shall be ... -
An expert system for optimal selection of a press for a sheet metal operation
(1999)This paper describes an expert system developed for assisting the sheet metal planner in making an intelligent selection of the press machine from the alternative machines available on a given shop floor for carrying out ... -
Some aspects of axial collapse of cylindrical thin-walled tubes
(1998)Quasi-static and impact tests were performed on round tubes of different sizes and made of aluminium and mild steel, both in as received and annealed conditions. Length, diameter and thickness of these tubes were varied ... -
Velocity measurement in solid-liquid flows using an impact probe
(1997)The use of a modified impact tipe of probe for velocity field measurent in the flow of multysized(dso=71pm)parteculate slurries is discribed.The impact probe has a sensor similar to a two hole offset probe but has a modified ... -
Study of wear characteristics and solid distribution in constant area and erosion-resistant long-radius pipe bends for the flow of multisized particulate slurries
(1998)The wear characteristics of three types of long radius pipe bends in the flow of multisizcd particulate slurries have been extensively studied.Conventional long radius bend, and two types of diverging-converging bends are ... -
Contact behavior of an orthotropic laminated beam indented by a rigid cylinder
(1998)A finite element study of the contact behavior of laminated beams has been carried out. The influence of various parameters such as ply orientation, beam thickness,indenter size, presence of a compliant layer and the ... -
Three-dimensional solution for simply-supported piezoelectric cylindrical shell for axisymmetric load
(1997)This work presents a three-dimensional solution for simply-supported piezoelectric cylindrical shell subjected to axisymmetric electromechanical load. The variables are expanded in Fourier series to satisfy the boundary ... -
CAP-GO computer-aided planning of grinding operations for ferrous components
(1997)The present work is devoted to the development of computer software for selecting the optimal process parameters for grinding of ferrous components. It also includes an optional analysis of the residual stress in the ground ... -
An experimental study of normal and oblique impact of hard-core projectile on single and layered plates
(1997)An experimental study of the normal and oblique impact of armour-piercing projectiles on single and layered plates of mild steel, RHA steel and aluminium is presented. The projectiles were fired at an impact velocity of ... -
Consideration of internal folding and non-symmetric fold formation in axi-symmetric axial collapse of round
(1997)Experiments were performed on short aluminium and steel round tubes to study the nature of their axisymmetric folding and the extent by which a tube folds internally. The mean diameter to thickness (o/t) ratios of these ... -
Levy-type piezothermoelastic solution for hybrid plate by using first-order shear deformation theory
(1997)A Levy-type solution is presented for hybrid rectangular plates, with two opposite edges simply supported, made of a cross-ply composite laminate with attached piezoelectric layers, and subjected to thermoelectromechanical ... -
Stress due to a moving band source of heat and mechanical load on the work surface during grinding
(1997)The grinding operation is considered to be equivalent to a moving band source of heat and mechanical load on the surface of a semi-infinite solid, producing very high temperature on the surface of the workpiece. The resulting ... -
Chebyshev series solution to non-linear boundary value problems in rectangular domain
(1995)The von Karman equations governing the behavior of moderately large deformations of rectangular plates are expressed in displacement field. A methodology based on Chebyshev polynomials approximation to analyze the non-linear ... -
Electricity generation form rice huske in indian rice mills:potential and fnancial viability
(Elsevier Science, 1996)Rice husk generated as a by-product of rice processing is an important energy resource. The availability of this resource in India has been assessed and the technologies for exploitation of its energy potential in rice ... -
Mathematical model for atmospheric dispersion in low winds with eddy diffusivities as linear functions of downwind distence
(Elsevier Sclerce, 1996)The dispersion modelling in tow wind speeds assumes importance because of the high frequency of occurrence and episodic nature of these poor diffusion conditions. A steady-state athematical model has been proposed for the ... -
Modelling of fracture process in annealed sheet of AISI 202 stainless steel
(Elsevier Science, 1996)Stainless steel is often used in rolled strips and sheets for many metal forming operations. The hot and cold rolled sheets are subjected to annealing treatment to relieve the internal stress and eliminate any anisotropy ... -
Ellopsometric studies of polycrystalline molybdenum silicide thin films
(1996)Systematic ellipsometric studies of MoSi2(tetragona1) thin films formed by RTA processing of cosputtered Mo25 Si75,Mo30 Si70 and Mo36 Si64 thin films are discussed. The optical properties of these films in the measured ... -
Determination of period for biogas production
(Elsevier Science, 1996)In this communication, an attempt has been made to obtain an analytical expression for the retention period of a given capacity biogas plant. It has been shown that the use of solar energy reduces the retention period. The ... -
A methodology for financial evaluation of biogas technology in india using functions
(Elsevier Science, 1996)methodology for financial evaluation of biogas technology for domestic use in India using recently developed cost functions is reported. Analytical expressions for the unit cost of biogas and cost per unit of useful energy ... -
Energetic and kinetic aspects of macromolecular association: computational study of X repressor-operator complexation
(Elsevier Science, 1996)A detailed molecular view of structural, thermodynamic and kinetic aspects is essential for a clear understanding of macromolecular association. We have recently assembled a force field to capture the energetics of protein-DNA ... -
Effect of light soaking on a-Si:H solar cells under reverse biased annealing treatment
(Elsevier Science, 1996)The bulk and interface states and their effect on a-Si:H p-i-n solar cells have been nvestigated using dark reverse current-voltage (J-V) properties on the basis of thermal generation of carriers from the defect states. ... -
Deposition of molybdenum nitride thin films by r.f. reactive magnetron sputtering
(Elsevier Science, 1996)Molybdenum nitride thin films were prepared by the reactive r.f. magnetron sputtering echnique, on grounded substrates, using nitrogen as reactive gas. The effect of the variation of nitrogen partial pressure and the ... -
Mechanisms of a kinematic chain and the degree of structural similarity based on the concept of link-path code
(Elsevier Science, 1996)A new concept of link-path code has been ntroduced for a link of a planar kinematic chain with simple joints. An algorithm has been developed for determining link-path codes for all the links of a kinematic chain, leading ... -
Amorphous investigation of interface and band gap states in amorphous silicon p-i-n solar cells using current deep level transient spectroscopy
(Elsevier Science, 1996)Current deep level transient spectroscopy (DLTS) studies were performed on as-deposited and reverse biased annealed samples of a-Si:H p-i-n solar cells. These studies indicate interface states at p / i and i / n junctions, ... -
Prediction of uneven wear in a slurry pipeline on the basis of measurements in a pot tester
(1995)This paper reports a systematic study conducted on a pot tester to establish the effect of velocity, concentration and particle size on erosion wear. Two correlations have been proposed, based on the data generated for ... -
Drop in a long radius 90° horizontal bend for the flow of multisized heterogeneous slurries
(1995)The flow characteristics in a bend for a single-phase fluid are reasonably well understood and critically reviewed by Ito (1987). Investigators have established the effect of secondary flows on bend flow characteristics ... -
Rotational factor using bending moment approach under elasto-plastic situation
(1995)Part I dealt with the evaluation of rotational factor considering the bending moment approach arising out of the stress distributions in the plane of fracture in a notched 3PB specimen. Part II is an extension of a similar ...
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