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Surendranagar, India

Srivastava P.R.,Computer Science and Information System Group | Kumar S.,Computer Science and Information System Group | Singh A.P.,Civil Engineering Group | Raghurama G.,Electrical Electronics and Instrumentation Group
Journal of Uncertain Systems | Year: 2011

Software Testing is an important process of software development which is performed to support and enhance reliability and quality of the software. It consists of estimating testing effort, selecting suitable test team, designing test cases, executing the software with those test cases and examining the results produced by those executions. Studies indicate that 40-50 percent of the cost of software development is devoted to testing, with the percentage for testing critical software being even higher. This paper makes an attempt to estimate reliable software testing effort using fuzzy logic. The paper deals with the features of the Software Testing Effort (STE) estimation problem by proposing a novel Fuzzy model by integrating COCOMO, fuzzy logic and weighing techniques, Test Effort Drivers (TEDs) into a single platform. In this model triangular membership functions with monotonic constraints have been chosen, which finally achieve good generalization. The proposed model is finally validated with a case study of an Organization. Another feature of the present model is that it allows for continuous rating values and therefore avoids the problem of similar projects having large variances in cost estimations. © 2011 World Academic Press, UK. All rights reserved. Source


Ralegaonkar R.V.,VNIT | Gupta R.,Civil Engineering Group
Energy Education Science and Technology Part A: Energy Science and Research | Year: 2010

Due to the increase in living standard and demand, energy conservation has become important in industrialized countries. In view of rational use of energy, the present paper reviews intelligent building construction with the aid of passive solar architecture approach, which makes use of specific building design principles and reduces the artificial energy requirements for achieving indoor thermal comfort. As a climate responsive architecture, building design criteria has been studied with the help of several parameters like geographic location and climatic conditions, building shape, orientation, selection of construction materials, building openings viz. windows, selection of suitable sunshades, etc. All the salient building design parameters are studied and important findings and recommendations are suggested as the outcome of the study. The study in turn is useful for various resource persons involved in the construction activities for designing energy efficient intelligent buildings. Source


Ralegaonkar R.V.,VNIT | Gupta R.,Civil Engineering Group
Renewable and Sustainable Energy Reviews | Year: 2010

Due to the increase in living standard and demand, energy conservation has become important in industrialized countries. In view of rational use of energy, the present paper reviews intelligent building construction with the aid of passive solar architecture approach, which makes use of specific building design principles and reduces the artificial energy requirements for achieving indoor thermal comfort. As a climate responsive architecture, building design criteria has been studied with the help of several parameters like geographic location and climatic conditions, building shape, orientation, selection of construction materials, building openings viz. windows, selection of suitable sunshades, etc. All the salient building design parameters are studied and important findings and recommendations are suggested as the outcome of the study. The study in turn is useful for various resource persons involved in the construction activities for designing energy efficient intelligent buildings. © 2010 Elsevier Ltd. Source


Bhunia D.,Civil Engineering Group | Prakash V.,Indian Institute of Technology Roorkee | Pandey A.D.,Indian Institute of Technology Roorkee
Structural Engineering International: Journal of the International Association for Bridge and Structural Engineering (IABSE) | Year: 2010

An effective design technique for symmetrical coupled shear walls is presented in this paper. The proposed formulation, including assumptions and steps with mathematical formulation, has been elaborated to arrive at the design technique. An example has been considered to validate the technique with the DRAIN-3DX and SAP non-linear analysis. A parametric study has also been considered to find out the limitations of this technique and suggest remedial action. It is concluded that the proposed design technique can be considered in the design of coupled shear walls under seismic motion. Source


Aykac S.,Gazi University | Kalkan I.,Kirikkale University | Uysal A.,Civil Engineering Group
Structural Engineering and Mechanics | Year: 2012

Although being one of the most popular strengthening techniques in reinforced concrete beams, the use of steel plates bonded to the soffit raises problems of ductility. This study aims at investigating the influence of the use of perforated steel plates instead of solid steel plates on the ductility of reinforced concrete beams. A total of nine reinforced concrete beams were tested. In addition to an unplated beam, eight beams with perforated steel plates of two different thicknesses (3 mm and 6 mm) were subjected to monotonic loading. Effect of bonding the plates to the beams with anchor bolts and with additional side plates bonded to the sides of the beam with and without anchors is also investigated. The use of bolts in addition to epoxy was found to greatly contribute to the ductility and energy absorption capacity of the beams, particularly in specimens with thick plates (6 mm) and the use side plates in addition to the bottom plate was found to be ineffective in increasing the ductility of a concrete beam unless the side plates are attached to the beam with anchors bolts. The thickness of the plate was found to have little effect on the bending rigidity of the beam. Source

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