Optimization
129 articles · search the full text for this term
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Minimization of distortion during Gas Metal Arc welding process used for hydraulic shearing machine pressure plate square
Abstract: The Gas Metal Arc Welding process is widely used in many appliances because of its versatility. The change of shape and dimensions that occur after welding is known as distortion that leads to undesirable results. And to overcome this, it requires reducing the distortion within the limits. A large number of resources are used recently for reworking the weld. But it causes higher cost of production and delay for completing …
Published in Trends in Mechanical Engineering & Technology · Vol. 8, Issue 3, 2018 · pp. 33–43 Read article
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Simultaneous Optimization of Multiple Performance Characteristics in MIG Welding for Machining AISI-304 Stainless Steel by Weighted Principle Component Analysis
Abstract: The effect of MIG welding parameters specifically Welding current, Voltage, Gas flow rate and Plate thickness during welding of AISI-304 stainless steel Material on MIG welding machine at different level presents in this work. All the welding parameters are modeled using Taguchi-based Principle Component Analysis (PCA). Principal component is used as multiple responses optimizing technique to drive optimal solution, which gives the overall quality index in experimental process, and finally …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 3, 2018 · pp. 77–85 Read article
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Optimization of Helical Spring Weight using Meta-heuristic Algorithms
Abstract: Optimization is the act of obtaining the best results under given circumstances. A mathematical theory of optimization is highly in use and is being applied to design where design function can be expressed mathematically. Many techniques like Linear Programming, Branch & Bound technique, Dynamic Programming methods are available to solve optimization problems. But these conventional Methods suffer from certain drawbacks like sticking at suboptimal solution, inefficiency in handling problems having …
Published in Trends in Machine design · Vol. 5, Issue 2, 2018 · pp. 21–28 Read article
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Optimal Design of Gusset plate and Analysis of Bailey Steel Truss Joint
Abstract: In order to achieve safe and economic steel structure joint, we are going to design a gusset plate such that its shape is optimized by achieving the same amount of strength. In conventional method of designing a joint we make sure that gusset plate is able to bear the load and joint is safe, but lot of material is wasted where there is no stress induced. So, to avoid this …
Published in Journal of Experimental & Applied Mechanics · Vol. 9, Issue 2, 2018 · pp. 74–83 Read article
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Extraction and Characterization of Antioxidants from the Seeds of Ethiopian Avocado Variety, Pinkerton
Abstract: The objective of this study was to extract and characterize the antioxidants from the Ethiopian avocado seeds of the Pinkerton variety, using ethanol as a solvent. Response surface methodology (RSM) in combination with Box-Behnken experimental design with a three level, three-factor mixture design was used to optimize the extraction condition for assessing the maximum yield of antioxidant from the avocado seeds. Ethanol concentration (%, v/v), temperature (°C) and time (h) …
Published in Journal of Catalyst & Catalysis · Vol. 4, Issue 3, 2017 · pp. 49–56 Read article
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Mathematical Modelling and Comprehensive Review on the Application of Evolutionary Strategies in Design Optimization of Shell and Tube Heat Exchangers
Abstract: This review article presents the application of different evolutionary algorithms which have been utilized for design and optimization of shell and tube heat exchangers in the last decade. The traditional trial and error design approaches can be replaced by such evolutionary algorithms. These evolutionary techniques do not need information of derivatives and hence it can be implemented in various heat exchangers geometry without much complication. Many such EA’s are successfully …
Published in Trends in Mechanical Engineering & Technology · Vol. 7, Issue 3, 2017 · pp. 67–78 Read article
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Dynamic Analysis and Optimization Locomotive Railway Wagon Wheel: A Review
Abstract: This paper deals with the dynamic analysis and optimization locomotive wagon wheel. The aim of this review paper is to investigate stresses developed at the wheel structure due to the dynamic loading and their optimization. The railway vehicle has various highly stresses, mechanical components such as wheel, axle, joints, rail, etc. This report is an effort to summarize the subject field of experiments and their comparability with the dynamic analysis …
Published in Trends in Mechanical Engineering & Technology · Vol. 7, Issue 3, 2017 · pp. 8–24 Read article
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Comparative Assessment (Qualitative and Quantitative) of Industrial Wastewater from Different Units of Fabric Processing Unit
Abstract: Abstract Water, a natural resource, has been under severe stress due to increased consumption that followed industrialization. There is a greater need to optimize, reuse, recycle and treat the industrial and domestic wastewater as far as possible. In a wet processing industry in India, average consumption of water is about 45–80 liter per kg of fabric. Fabric processing unit of textile industry have varied effluents discharged from its machines that …
Published in Journal of Water Pollution & Purification Research · Vol. 4, Issue 3, 2017 · pp. 1–9 Read article
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Formulation, Optimization and Evaluation of Flurbiprofen Liposomal Gel
Abstract: The present study deals with effect of various combinations of lecithin, cholesterol, chloroform-methanol and tween-80 on liposomes of flurbiprofen. Optimization of the flurbiprofen liposomes by Design Expert software was done. Vesicle size, drug content, SEM and entrapment efficiency were evaluated. Flurbiprofen gel with optimized liposome using Carbopol 934 as gelling agents, were formulated. pH, spreadability and drug content in the gel were evaluated. Results of skin irritation study showed that …
Published in Research and Reviews: A Journal of Pharmaceutical Science · Vol. 8, Issue 2, 2017 · pp. 33–42 Read article
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Analysis and Comparison of Optimization Techniques for Interference Duration in Cognitive Radio
Abstract: Cognitive radio provides opportunity to unlicensed users to use the licensed spectrum when it is not being used. Cognitive radio has several common radio performance parameters, out of which here we analyze the interference duration. Here we used genetic algorithm, particle swarm algorithm, bat algorithm based optimization techniques for the optimization of interference duration in cognitive radio. Interference duration converges to 3.08, 1.7 and 0.1534 μs corresponding to genetic algorithm, …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 3, Issue 3, 2016 · pp. 1–8 Read article
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Optimization of Venturimeter Geometry for Minimum Pressure Drop using CFD Analysis
Abstract: A venturimeter is one of the accurate flow measurement devices used to measure volumetric flow rate based on differential pressure. Pressure recovery is a problem when flow measurement is done by venturimeter. So, it is necessary to select its geometrical parameters in such a way that minimum pressure loss occurs. In this paper, optimization of geometrical parameters of venturimeter for minimum pressure drop has been done using CFD analysis. For …
Published in Recent Trends in Fluid Mechanics · Vol. 3, Issue 2, 2016 · pp. 31–35 Read article
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Current Trends in Optimization of Parameters of Electric Discharge Machining Process: A Review
Abstract: Wire-cut electrical discharge machining (EDM) is an emerging machining process for machining hard-to-machine materials and intricate shapes which are impossible to make with conventional machining process. The optimum selection of input parameters for the wire electrical discharge machining (WEDM) process is based mainly on the technology used and experience of the operator. This paper reviews the effect of most significant input process parameters of WEDM such as pulse on, pulse …
Published in Trends in Mechanical Engineering & Technology · Vol. 6, Issue 2, 2016 · pp. 25–33 Read article
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A Review on Application of Biogeography-based Optimization in Mechanical Engineering
Abstract: Engineers are always keen to learn from nature. This motivates development of optimization techniques from mathematics of biogeography called as biogeography-based optimization (BBO). This method can be very useful in some mechanical simulations as they are complex and computationally expensive. In this paper, survey on the application of biogeography-based optimization and its modified approaches in mechanical engineering has been provided. Cite this Article Anand N Barai, Jaimin Pandya, A Review …
Published in Journal of Experimental & Applied Mechanics · Vol. 7, Issue 1, 2016 · pp. 18–21 Read article
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A Review on Process Parameters Optimization of WEDM for Metal Matrix Composites
Abstract: Wire electrical discharge machining (WEDM) is a thermal spark erosion type cutting process used for precisely machining parts with intricate shapes and sharp edges that are difficult to machine by the conventional machining processes. The WEDM process is derived from conventional EDM sparking phenomena utilizing the noncontact type technique for material removal. From the time of introduction of the process, WEDM has emerged as alternative for production of micro-scale parts …
Published in Journal of Experimental & Applied Mechanics · Vol. 7, Issue 1, 2016 · pp. 1–6 Read article
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Fuzzy Programming Technique and Proposed Application
Abstract: A solution approach supported fuzzy linear programming is planned and applied to best machine scheduling downside. During this resolution approach, errors within the demand of assorted product throughout ensuing production period are thought of to be fuzzy in nature. In standard linear programming approach it's assumed that there's no error within the expected demand of assorted product. A fuzzy linear programming approach is planned to get an optimal resolution underneath …
Published in Recent Trends in Programming languages · Vol. 2, Issue 1, 2015 · pp. 7–11 Read article
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A Prospective Study of Biomass Fuel and Optimal Comparison with Diesel Fuel: In Bangladesh Perspective
Abstract: In modern technology, optimization is a big factor now. In the present days our main focus is to produce more supplies optimizing the resources. Bangladesh is a densely populated country and thousand tons of filth is produced every day. Therefore, biomass is a common term for this country and also an aspect of energy resources. At this research work, an attempt has been taken to make a prospective study based …
Published in Journal of Alternate Energy Sources & Technologies · Vol. 6, Issue 2, 2015 · pp. 61–65 Read article
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Optimization of Resource Allocation in OFDM Communication System for Different Modulation Technique using FRBS and PSO
Abstract: Orthogonal frequency division multiplexing (OFDM) is technique that is chosen for high data rate communication and is important for 4th generation communication system. Resources such as power, bandwidth are limited, thus intelligent allocation of these resources to users are crucial for delivering the best possible quality of services. Fuzzy rule-based system (FRBS) and particle swarm optimization (PSO) algorithm are used for optimization of code rate, modulation and power. FRBS is …
Published in Journal of Mobile Computing, Communications & Mobile Networks · Vol. 2, Issue 2, 2015 · pp. 29–35 Read article
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Employ of Design of Experiments for Optimization of Instinctive Variables in Turning Operation: A Review
Abstract: In recent years, due to tremendous progress in manufacturing industries, great changes have especially been ascertained in machining of metals. Every manufacturing industry intent to produce a massive number of commodities within comparatively lesser time. This persuades optimization problem which endeavor to access the best parametric combination for the manufacturing process. This paper presents a critique of optimization of instinctive variables in turning operation by employing various techniques of Design …
Published in Trends in Mechanical Engineering & Technology · Vol. 5, Issue 2, 2015 · pp. 7–16 Read article
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Operational Modelling and Analytical Analysis of Connecting Rod Using the Computer Aided Design
Abstract: The main objective of this study was to explore weight reduction opportunities for a production forged steel connecting rod. This has entailed performing a detailed load analysis. Therefore, this study has dealt with two subjects, first, static load stress analysis of the connecting rod, and second, optimization for weight. In this project, finite element analysis of single cylinder four stroke petrol engine is taken as a case study. Structural systems …
Published in Trends in Mechanical Engineering & Technology · Vol. 4, Issue 3, 2014 · pp. 1–5 Read article
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Evaluation and Optimization of an Aqua-Ammonia Vapor-Absorption Refrigeration System
Abstract: The process parameters of ammonia-water absorption system were optimized in terms of temperatures of generator and condenser and heat ratios of generator-to-condenser and generator-to-absorber. The iteration method was used to get the variation in generator and condenser temperatures with coefficient of performance (COP) for the fixed evaporator temperature. The sizing of generator, absorber and condenser was found from the variation of heat ratios of generator-to-condenser and generator-to-absorber for the fixed …
Published in Journal of Refrigeration, Air conditioning, Heating and ventilation · Vol. 1, Issue 1, 2014 · pp. 9–17 Read article