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Limit speeds and stresses in power law functionally graded rotating disks
Madan, Royal,Saha, Kashinath,Bhowmick, Shubhankar Techno-Press 2020 Advances in materials research Vol.9 No.2
Limit elastic speed analysis of Al/SiC-based functionally graded annular disk of uniform thickness has been carried out for two cases, namely: metal-rich and ceramic rich. In the present study, the unknown field variable for radial displacement is solved using variational method wherein the solution was obtained by Galerkin's error minimization principle. One of the objectives was to identify the variation of induced stress in a functionally graded disk of uniform thickness at limit elastic speed using modified rule of mixture by comparing the induced von-Mises stress with the yield stress along the disk radius, thereby locating the yield initiation. Furthermore, limit elastic speed has been reported for a combination of varying grading index (n) and aspect ratios (a/b).Results indicate, limit elastic speed increases with an increase in grading indices. In case of an increase in aspect ratio, limit elastic speed increases up to a critical value beyond which it recedes. Also, the objective was to look at the variation of yield stress corresponding to volume fraction variation within the disk which later helps in material tailoring. The study reveals the qualitative variation of yield stress for FG disk with volume fraction, resulting in the possibility of material tailoring from the processing standpoint, in practice.
Madan Mohan Balaguruswamy,Ezaz Mohamed,Krishnan Vijayan,Chaitanya S Juluri,Karuppannaswamy Madeswaran 대한신경중재치료의학회 2021 Neurointervention Vol.16 No.2
Balloons are valuable tools in the armamentarium of a neurointerventionist. In this report, we describe 2 cases in which a balloon aided in the navigation of a second remodeling balloon through difficult vascular anatomy. The first case was a patient with a ruptured proximal posterior inferior cerebellar artery aneurysm and the second case was a patient with a ruptured anterior communicating artery aneurysm. In both cases, the coiling microcatheter and the remodeling balloon catheters were advanced through different vessels. The remodeling balloon reached the target location using a transcirculation approach, and the navigation of the remodeling balloon was aided by utilizing a second balloon. Challenging vascular anatomy is often encountered when performing neuroendovascular procedures. The strategy of using balloon assistance for the transcirculation access of a remodeling balloon can be used successfully in difficult situations to manage complex aneurysms.
WELFARE AND PROTECTION IN THE PRESENCE OF ENDOGENOUS TRANSFER PRICES
MADAN, VIBHAS 한국국제경제학회 1992 International Economic Journal Vol.6 No.3
This paper analyzes the welfare effects of a host-country tariff in the presence of endogenous transfer prices. The high transfer price and the low transfer price scenarios are analyzed in the presence of "arm's length" restraints on a foreign multinational. The welfare analysis decomposes the various elements which influence the tariff rate. Under the high transfer price elasticity of demand for the multinational's product, and under the low transfer price regime it is related positively to the slope of the multinational's cost curves in the foreign country. Further, under arm's length restraints, it is never optimal for the host country to charge the "critical" tariff rate at which the multinational is indifferent between a low or a high transfer price.
BIVARIATE DYNAMIC CUMULATIVE RESIDUAL TSALLIS ENTROPY
MADAN MOHAN SATI,HARINDER SINGH 한국전산응용수학회 2017 Journal of applied mathematics & informatics Vol.35 No.1
Recently, Sati and Gupta (2015) proposed two measures of uncertainty based on non-extensive entropy, called the dynamic cumulative residual Tsallis entropy (DCRTE) and the empirical cumulative Tsallis entropy. In the present paper, we extend the denition of DCRTE into the bivariate setup and study its properties in the context of reliability theory. We also dene a new class of life distributions based on bivariate DCRTE.
RELIGION AND SOCIAL CHANGE IN INDIA: SOME CONCEPTUAL ISSUES
Madan,T.N. The Center for Area Studies Seoul National Univers 1995 Journal of International and Area Studies Vol.2 No.1
By way of concluding remarks, let me touch briefly on religious revivalism in the contemporary world as a mode of social change. Its expressions range from desecularization to fundamentalism. While in Latin America Jesus and Marx work hand in hand, as it were, in the form of 'liberation theology', in eastern Europe the Catholic church has been a major factor in the retreat of Marxism as a theory of society and state. Christmas is now a big event in Moscow and Beijing just as it has always been in London and New York. The Lranian Revolution signalled in 1979 that religious authority could be used in unprecedented ways to restructure society through the capture of state power. Fundamentalist movements today stalk the world and they are very much a part of the South Asian scene. Although not all fundamentalist movements are exactly the same, they do share a family resemblance.