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ITERATIVE ALgORITHMS FOR SYSTEM OF VARIATIONAL INCLUSIONS IN HADAMARD MANIFOLDS

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Acta Mathematica Scientia 2022年第4期42卷 1333-1356页

作者： Qamrul Hasan ANSARI Feeroz babu D.R.SAHU Department of Mathematics Aligarh Muslim UniversityAligarh202002India Department of Applied Mathematics Aligarh Muslim UniversityAligarh202002India Department of Mathematics Banaras Hindu UniversityVaranasi 221005India

In this paper,we consider system of variational inclusions and its several spacial cases,namely,alternating point problems,system of variational inequalities,etc.,in the setting of Hadamard *** propose an iterative algorithm for solving system of variational inclusions and study its convergence *** special cases of the proposed algorithm and convergence result are also *** present application to constraints minimization problems for bifunctions in the setting of Hadamard *** the end,we illustrate proposed algorithms and convergence analysis by a numerical *** algorithms and convergence results of this paper either improve or extend known algorithms and convergence results from linear structure to Hadamard manifolds.

关键词： System of variational inclusions altering point problems monotone vector fields strictly pseudocontractive mappings Hadamard manifolds

Ultrasound Assisted Synthesis of Starch Nanocrystals and It’s Applications with Polyurethane for Packaging Film

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Journal of Renewable Materials 2020年第3期8卷 239-250页

作者： Vikas S.Hakke Uday D.Bagale Sami Boufi g.Uday Bhaskar babu Shirish H.Sonawane Department of Chemical Engineering National Institute of TechnologyWarangal(TS)506004India University of Sfax Sfax Faculty of ScienceLMSESfaxTunisia

Starch nanocrystals(SNC)were prepared from maize starch using ultrasound assisted acid *** process takes less time for the generation of SNC,which is advantageous over conventional acid *** synthesized SNC were characterized using X-ray diffraction,dynamic light scattering,zeta potential and transmission electron microscopy(TEM).Particle size and TEM data show that the particles were near to 150 nm,with oval *** SNC with higher surface charge are obtained with this innovative approach as compared to conventional acid *** of high surface charge and oval like morphology,the SNC performed well in reinforcing a polyurethane *** rise in crystallinity by 16%was observed due to ultrasound *** the lower concentration of SNC in nanocomposite film,dynamic mechanical analysis demonstrated meaningful increment in mechanical properties of polyurethane nanocomposite *** decrease in chain slippage over the glass transition temperature was observed because of the SNC reinforcement in polyurethane *** to the conventional acid hydrolysis,the present approach for the synthesis of starch nanocrystals is much faster and easier.

关键词： Starch nanocrystal ultrasound acid-hydrolysis nanocomposite TEM

Photon condensation： A new paradigm for Bose-Einstein condensation

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Frontiers of physics 2016年第5期11卷 103-110页

作者： Renju Rajan P. Ramesh babu K. Senthilnathan Department of Physics School of Advanced Sciences VIT University Vellore Tamil Nadu 632015 India

Bose-Einstein condensation is a state of matter known to be responsible for peculiar properties exhibited by superfluid Helium-4 and superconductors. Bose-Einstein condensate （BEC） in its pure form is realizable with alkali atoms under ultra-cold temperatures. In this paper, we review the experimental scheme that demonstrates the atomic Bose-Einstein condensate. We also elaborate on the theoretical framework for atomic Bose-Einstein condensation, which includes statistical mechan- ics and the gross-Pitaevskii equation. As an extension, we discuss Bose-Einstein condensation of photons realized in a fluorescent dye filled optical microcavity. We analyze this phenomenon based on the generalized Planck＇s law in statistical mechanics. Further, a comparison is made between photon condensateand laser. We describe how photon condensate may be a possible alternative for lasers since it does not require an energy consuming population inversion process.

关键词： Bose-Einstein condensation photon condensation magneto-optical trap gross-Pitaevskii equation Planck's radiation law

Software Operational Profile Based Test Case Allocation Using Fuzzy Logic

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International Journal of Automation and computing 2007年第4期4卷 388-395页

作者： K.Saravana Kumar Ravindra babu Misra Reliability Engineering Center Indian Institute of TechnologyKharagpur 721302India

Software operational profile （SOP） is used in software reliability prediction, software quality assessment, performance analysis of software, test case allocation, determination of ＂when to stop testing,＂ etc. Due to the limited data resources and large efforts required to collect and convert the gathered data into point estimates, reluctance is observed by the software professionals to develop the SOP. A framework is proposed to develop SOP using fuzzy logic, which requires usage data in the form of linguistics. The resulting profile is named fuzzy software operational profile （FSOP）. Based on this work, this paper proposes a generalized approach for the allocation of test cases, in which occurrence probability of operations obtained from FSOP are combined with the criticality of the operations using fuzzy inference system （FIS）. Traditional methods for the allocation of test cases do not consider the application in which software operates. This is intuitively incorrect. To solve this problem, allocation of test cases with respect to software application using the FIS model is also proposed in this paper.

关键词： Software reliability software operational profile criticality fuzzy logic test case allocation.

Development and validation of a high throughput UPLC–MS/MS method for simultaneous quantification of esomeprazole,rabeprazole and levosulpiride in human plasma

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Journal of Pharmaceutical Analysis 2016年第3期6卷 190-198页

作者： Raja Haranadha babu Chunduri gowri Sankar Dannana School of Pharmaceutical Sciences and Technologies Jawaharlal Nehru Technological University Kakinada 533003 Andhra Pradesh India A.U. College of Pharmaceutical Sciences Andhra University Vishakapamam 530003 Andhra Pradesh. India

A high throughput ultra pressure liquid chromatography-mass spectrometry （UPLC-MS/MS） method with good sensitivity and selectivity has been developed and validated for simultaneous quantification of esomeprazole, rabeprazole and levosulpiride in human plasma using lansoprazole as internal standard （IS）. The extraction method based on liquid-liquid extraction technique was used to extract the analytes and IS from of 50 μL of human plasma using methyl tert-butyl ether：ethyl acetate （80：20, v/v）, which offers a high recovery. Chromatographic separation of analytes and IS was achieved on a Hypersil gold C18 column using gradient mobile phase consisting of 2 mM ammonium formate/acetonitrile. The flow rate was set at 0.5 mL/min to elute all the analytes and IS within 1.00 min runtime. Detection of target compounds was performed on a triple quadruple mass spectrometer by multiple reaction monitoring （MRM） mode via positive electrospray ionization （ESI）. Method validation results demonstrated that the developed method has good precision and accuracy over the concentration ranges of 0.1-2000 ng/mL for each analyte. Stability of compounds was established in a battery of stability studies, i.e., bench top, autosampler, dry extract and long-term storage stability as well as freeze-thaw cycles. The validated method has been successfully applied to analyze human plasma samples for application in pharmaco- kinetic studies.

关键词： Esomeprazole Rabeprazole Levosulpiride UPLC-MS/MS Pharmacokinetic studies

A simple decision tree-based disturbance monitoring system for VSC-based HVDC transmission link integrating a DFIg wind farm

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Protection and Control of Modern Power Systems 2022年第1期7卷 363-381页

作者： Rajesh babu Damala Rajesh Kumar Patnaik Ashish Ranjan Dash Department of EEE Centurion University of Technology and ManagementParalakhemundiOdishaIndia&GMR Institute of TechnologyRajamAndhrapradeshIndia Department of EEE GMR Institute of TechnologyRajamSrikakulamAndhra PradeshIndia Department of EEE Centurion University of Technology and ManagementParalakhemundiOdishaIndia

Fault detection and classification is a key challenge for the protection of High Voltage DC(HVDC)transmission *** this paper,the Teager-Kaiser Energy Operator(TKEO)algorithm associated with a decision tree-based fault classi-fier is proposed to detect and classify various DC *** Change Identification Filter is applied to the average and differential current components,to detect the first instant of fault occurrence(above threshold)and register a Change Identified Point(CIP).Further,if a CIP is registered for a positive or negative line,only three samples of currents(i.e.,CIP and each side of CIP)are sent to the proposed TKEO algorithm,which produces their respective 8 indices through which the,fault can be detected along with its *** new approach enables quicker detection allowing utility grids to be restored as soon as *** novel approach also reduces computing complexity and the time required to identify faults with *** importance and accuracy of the proposed scheme are also thor-oughly tested and compared with other methods for various faults on HVDC transmission lines.

关键词： Change Identification Filter Differential current DC faults Simple Decision Tree Fault classifier HVDC transmission link Renewable Energy TKEO algorithm

Melting Flow Analyzation of Radiative Riga Plate Two-Phase Nano-Fluid Across Non-Flatness Plane with Chemical Reaction

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Frontiers in Heat and Mass Transfer 2024年第5期22卷 1515-1532页

作者： Jupudi Lakshmi Rama Prasad F.Mebarek-Oudina g.Dharmaiah Putta babu Rao H.Vaidya Department of Mathematics P.B.Siddhartha College of Arts and ScienceVijayawada520010India Department of Physics Faculty of SciencesUniversity of 20 Ao鹴1955-SkikdaSkikda21000Algeria Department of Mathematics Narasaraopeta Engineering CollegeYellamandaNarasaraopet522601India Department of Mathematics Sri Aravinda Satajayanthi Government Degree CollegeNarayanapuramUngutur Mandalam534406India Department of Mathematics Vijayanagara Sri Krishnadevaraya UniversityBallariKarnataka583104India

There is a strong relationship between analytical and numerical heat transfers due to thermodynamically anticipated findings,making thermo-dynamical modeling an effective tool for estimating the ideal melting point of heat *** certain assumptions,the present study builds a mathematical model of melting heat transport nanofluid flow of chemical reactions and joule *** flow is described by higher-order partial non-linear differential *** suitable similarity transformations and dimensionless parameters converts these controlling partial differential equations into the non-linear ordinary differential equations and resulting system of nonlinear equations is *** graphic visualizations in MATLAB allow for an indepth analysis of the effects of distinguishing factors on fluid *** applications of the findings include electronic cooling,heat transfer,reaction processes,nuclear reactors,micro heat pipes,and other related *** the exponential index increases,however,the thermal profile becomes *** comparing the current findings to those already published in the literature for this particular example,we find that they are highly congruent,therefore validating the present *** one of the numerical findings exhibits asymptotic behavior by meeting the specified boundary conditions.

关键词： Non-flat sheet melting surface chemical reaction 2-phase nano fluid

Impact of land cover change on land surface temperature: A case study of Spiti Valley

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Journal of Mountain Science 2018年第8期15卷 1658-1670页

作者： KUMAR Pankaj HUSAIN Arif SINgH Ram babu KUMAR Manish Department of geography Delhi School of Economics University of Delhi Department of geography Kalindi College University of Delhi

Land surface temperature(LST) is the skin temperature of the earth surface. LST depends on the amount of sunlight received by any geographical area. Apart from sun light, LST is also affected by the land cover, which leads to change in land surface temperature. Impact of land cover change(LCC) on LST has been assessed using Landsat TM5, Landsat 8 TIRS/OLI and Digital Elevation Model(ASTER) for Spiti Valley, Himachal Pradesh, India. In the present study, Spiti valley was divided into three altitudinal zones to check the pattern of changing land cover along different altitudes and LST was calculated for all the four land cover categories extracted from remote sensing data for the years of 1990 and 2015. Matrix table was used as a technique to evaluate the land cover change between two different years. Matrix table shows that as a whole, about 2,151,647 ha(30%) area of Spiti valley experienced change in land cover in the last 25 years. The result also shows vegetation and water bodies increased by 107,560.2 ha(605.87%) and 45 ha(0.98%), respectively. Snow cover and barren land decreased by 19,016.5 ha(23.92%) and 88,589(14.14%), during the study period. A significant increase has been noticed in vegetation amongst all land cover types. Minimum, maximum and mean LST for three altitudinal zones have been calculated. The mean LST recorded was 11℃ in 1990 but it rose by 2℃ and reached to 13℃ in 2015. Changes in LST were obtained for each land cover categories. The mean temperature of different land cover types was calculated by averaging value of all pixels of a given land cover types. The mean LST of vegetation, barren land, snow cover and water body increased by 6℃, 9℃, 1℃, and 7℃, respectively. Further, relationships between LST, Normalized Difference Snow Index(NDSI), and Normalised Difference Vegetation Index(NDVI) were established using Linear Regression.

关键词： Land surface temperature Land cover change Normalised difference snow index Normalised Difference Vegetation Index DEM Remote Sensing gIS Linear Regression

Non-alcoholic Fatty Liver Disease:A Clinical Update

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Journal of Clinical and Translational Hepatology 2017年第4期5卷 384-393页

作者： Joseph M Pappachan Shithu babu babu Krishnan Nishal C Ravindran Department of Endocrinology Diabetes&MetabolismRoyal Lancaster InfirmaryUniversity Hospitals of Morecambe Bay NHS TrustLancasterUK Department of Medicine Dorset County HospitalDorchesterUK Department of gastroenterology&Hepatology Royal Bournemouth HospitalBournemouthUK Department of gastroenterology&Hepatology Hinchingbrooke HospitalHinchingbrookeHuntingdonUK

Non-alcoholic fatty liver disease(NAFLD)is currently the most common chronic liver disease in developed countries because of the obesity *** disease increases liverrelated morbidity and mortality,and often increases the risk for other comorbidities,such as type 2 diabetes and cardiovascular *** resistance related to metabolic syndrome is the main pathogenic trigger that,in association with adverse genetic,humoral,hormonal and lifestyle factors,precipitates development of *** markers and radiological imaging,along with liver biopsy in selected cases,help in diagnosis and *** lifestyle changes aiming at weight loss are the main therapeutic intervention to manage *** sensitizers,antioxidants,lipid lowering agents,incretin-based drugs,weight loss medications,bariatric surgery and liver transplantation may be necessary for management in some cases along with lifestyle *** review summarizes the latest evidence on the epidemiology,natural history,pathogenesis,diagnosis and management of NAFLD.

关键词： Nonalcoholic fatty liver disease(NAFLD) Nonalcoholic steatohepatitis NASH Insulin resistance Metabolic syndrome Lifestyle interventions Bariatric surgery