Academic literature on the topic 'Doubly closed shell'

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Journal articles on the topic "Doubly closed shell"

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Björnstad, T., M. J. G. Borge, J. Blomqvist, et al. "The doubly closed shell nucleus 13250Sn82." Nuclear Physics A 453, no. 3 (1986): 463–85. http://dx.doi.org/10.1016/0375-9474(86)90447-1.

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Stuchbery, Andrew E., and John L. Wood. "To Shell Model, or Not to Shell Model, That Is the Question." Physics 4, no. 3 (2022): 697–773. http://dx.doi.org/10.3390/physics4030048.

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The present review takes steps from the domain of the shell model into open shell nuclei. The question posed in the title is to dramatize how far shell model approaches, i.e., many nucleons occupying independent-particle configurations and interacting through two-body forces (a configuration interaction problem) can provide a description of nuclei as one explores the structure observed where neither proton nor neutron numbers match closed shells. Features of doubly closed and singly closed shell nuclei and adjacent nuclei are sketched, together with the roles played by seniority, shape coexist
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Traini, M., and G. Orlandini. "Nucleon momentum distributions in doubly closed shell nuclei." Zeitschrift f�r Physik A Atoms and Nuclei 321, no. 3 (1985): 479–84. http://dx.doi.org/10.1007/bf01411983.

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Azizi, Boutros, Habib Eslami, and Kais Jribi. "Geometrically Nonlinear Dynamic Analysis of an Imperfect, Stiffened, Functionally Graded, Doubly Curved Shell." Dynamics 5, no. 2 (2025): 18. https://doi.org/10.3390/dynamics5020018.

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An analytical study of the nonlinear response of imperfect stiffened doubly curved shells made of functionally graded material (FGM) is presented. The formulation of the problem is based on the first-order shear deformation shell theory in conjunction with the von Kármán geometrical nonlinear strain–displacement relationships. The nonlinear equations of the motion of stiffened double-curved shells based on the extended Sanders’s theory were derived using Galerkin’s method. The material properties vary in the direction of thickness according to the linear rule of mixture. The effect of both lon
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Hebbinghaus, G., T. Rzaca-Urban, C. Senff, et al. "Observation of superdeformation in the doubly closed-shell nucleusGd146." Physical Review Letters 59, no. 18 (1987): 2024–27. http://dx.doi.org/10.1103/physrevlett.59.2024.

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FABROCINI, A., F. ARIAS DE SAAVEDRA, and G. P. CO'. "CORRELATIONS AND REALISTIC INTERACTIONS IN DOUBLY CLOSED SHELL NUCLEI." International Journal of Modern Physics B 15, no. 10n11 (2001): 1558–67. http://dx.doi.org/10.1142/s0217979201006033.

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We review the latest variational calculations of the ground state properties of doubly closed shell nuclei, from 12 C to 208 Pb , with semirealistic and realistic two- and three-nucleon interactions. The studies are carried on within the framework of the correlated basis function theory and integral equations technique, with state dependent correlations having central and tensor components. We report results for the ground-estate energy, one- and two-body densities and static structure functions. For 16 O and 40 Ca we use modern interactions and find that the accuracy of the method is comparab
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Wolters, H., E. Ott, R. Wirowski, et al. "High spin states in the doubly-closed shell nucleus146Gd." Zeitschrift f�r Physik A Atomic Nuclei 333, no. 4 (1989): 413–14. http://dx.doi.org/10.1007/bf01299699.

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Vinayak, A., M. M. Hosamani, P. N. Patil, and N. M. Badiger. "Determination of single neutron spectroscopic factor of doubly shell closed, neutron shell closed and neutron-rich nuclei through (d,p) reaction." International Journal of Modern Physics E 29, no. 06 (2020): 2050030. http://dx.doi.org/10.1142/s0218301320500305.

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The spectroscopic factor (SF) of doubly-magic nuclei, neutron shell closed and neutron-rich nuclei has been determined through ([Formula: see text], [Formula: see text]) reaction in the projectile energy range from 3 to 26[Formula: see text]MeV. The theoretical angular differential cross-sections of ([Formula: see text], [Formula: see text] reactions in scattering center-of-mass angles from [Formula: see text] to [Formula: see text] have been calculated using FRESCO and NRV-DWUCK5 codes. By comparing the theoretical angular differential cross-sections with available experimental angular differ
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Fogelberg, B., M. Hellström, D. Jerrestam, et al. "The doubly closed shell nucleus132Sn: Collectivity and p-h states." Physica Scripta T56 (January 1, 1995): 79–83. http://dx.doi.org/10.1088/0031-8949/1995/t56/012.

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Bhattacharya, Rupayan. "Structure of the Super Neutronised Doubly Closed Shell Nucleus 132Sn." Australian Journal of Physics 45, no. 1 (1992): 39. http://dx.doi.org/10.1071/ph920039.

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The scenario of single particle (proton as well as neutron) states near the Fermi surface of 132Sn has been investigated on the basis of an average one-body potential suitably optimised for 208Pb and then extrapolated to the mass region concerned. The calculation shows excellent agreement with experiment. The ground state charge distribution of the nucleus has also been calculated.
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Books on the topic "Doubly closed shell"

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Eland, John H. D., and Raimund Feifel. Core–core and core–valence double ionisation. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198788980.003.0008.

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Basic concepts of inner shell double ionisation phenomena are discussed and examples are presented. An empirical model to calculate single-site K-shell double ionisation energies is proposed and the enhanced chemical shifts in double L-shell ionisation are illustrated. Core–valence double ionisation spectra are shown to closely resemble photoelectron spectra from single ionisation in many cases. Core–valence double ionisation spectra of NH3, CO, CO2, OCS, CS2, CF4, Si(CH3)4, benzene, and C60 are presented with analysis. In the context of core ionisation it is customary to use the very economic
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Johansen, Bruce, and Adebowale Akande, eds. Nationalism: Past as Prologue. Nova Science Publishers, Inc., 2021. http://dx.doi.org/10.52305/aief3847.

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Nationalism: Past as Prologue began as a single volume being compiled by Ad Akande, a scholar from South Africa, who proposed it to me as co-author about two years ago. The original idea was to examine how the damaging roots of nationalism have been corroding political systems around the world, and creating dangerous obstacles for necessary international cooperation. Since I (Bruce E. Johansen) has written profusely about climate change (global warming, a.k.a. infrared forcing), I suggested a concerted effort in that direction. This is a worldwide existential threat that affects every living t
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Book chapters on the topic "Doubly closed shell"

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Corbett, Greville G. "Slavonic’s Closest Approach to Suffixaufnahme: The Possessive Adjective." In Double Case. Oxford University PressNew York, NY, 1995. http://dx.doi.org/10.1093/oso/9780195087758.003.0008.

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Abstract One of the aims of this volume on Suffixaufnahme is to see the phenomenon in terms of a broader typology of attributive constructions. It is in this area that the evidence of the Slavonic possessive adjectives is particularly important. Possessive adjectives clearly show similarities to Suffixaufnahme constructions; indeed, as Plank (1990: 1039) points out, some researchers have tried to treat even prototypical examples of Suffixaufnahme as adjectives. I shall show that Slavonic possessive adjectives, to varying degrees, do indeed show similarities to undisputed instances of Suffixauf
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"Geometric Structure, Magic Numbers and Coordination Numbers of Small Clusters." In Nanoscopic Materials: Size-Dependent Phenomena and Growth Principles, 2nd ed. The Royal Society of Chemistry, 2014. http://dx.doi.org/10.1039/bk9781849739078-00026.

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Packing structures of spherical particles are determined by the range of interatomic or intermolecular interactions. The most stable structures are normally those with the highest average coordination number of nearest neighbours. Except for gold where relativistic effects play a more important role this leads to near spherical cluster shapes, and closed geometric shells are the most stable. This extra stability leads to a dominance of closed shell structures in atomic or small molecule molecular beams, and the numbers of atoms in such stable clusters are called magic numbers. Apart from magic
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Johnson, Ryan J. "The Shell B: Paradoxes." In Deleuze, A Stoic. Edinburgh University Press, 2020. http://dx.doi.org/10.3366/edinburgh/9781474462150.003.0006.

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We consider the importance of paradoxes in Stoic logic insofar as they pervert good and common sense through forms of absurdity. To proceed, we recall how the Stoics developed a new logic, one most scholars did not consider viable logic until the nineteenth-century: propositional logic. Their propositional logic contrasts with Aristotle’s categorical logic. For Deleuze, the Stoics are most original in their art of paradoxes. Paradoxes are absurd, and there are three dimensions of absurdity, corresponding to the three dimensions of the circle of the proposition: denotated, manifest, and signify
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Atkins, Peter. "Adding Up: Addition." In Reactions. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199695126.003.0024.

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Adding up, or more formally ‘addition’, is just what it says: it is the attachment of atoms to a sensitive spot on a molecule. I need to stand back for a moment and explain what I mean by a ‘sensitive spot’. You already know (from Reaction 13) that some atoms are held to each other by an electron cloud (a ‘single bond’) and others by a doubly dense cloud (a ‘double bond’). There is a third type in which the atoms are held together by an even denser, triply dense cloud of electrons, forming a ‘triple bond’. Here I am concerned with the latter two types of bond, the so-called ‘multiple bonds’. T
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Toth, Stephen A. "Conclusion." In Mettray. Cornell University Press, 2019. http://dx.doi.org/10.7591/cornell/9781501740183.003.0008.

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This chapter summarizes the insights on Mettray's regime as a carceral institution for boys. Mettray's birth in 1840 marked the initial diffusion of the modern disciplinary realm. Yet, by the time of its close in 1937, Mettray was not a laboratory of modernity but a shell of its former self, having devolved from the reformist vision of its founder to little more than a custodial care facility. What started out as a progressive and utilitarian project, based on the optimistic belief that juvenile delinquents and wayward youth could be reformed, grew increasingly carceral and punitive amid creep
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Schülke, Winfried. "Nonresonant inelastic X-ray scattering: Regime of core-electron excitation (X-ray Raman scattering)." In Electron Dynamics by Inelastic X-ray Scattering. Oxford University PressOxford, 2007. http://dx.doi.org/10.1093/oso/9780198510178.003.0003.

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Abstract In Chapter 2 we utilized the basic relation between the double differential scattering cross-section and excitations in the scattering system, as given in equation (2.3) only by considering excitations of the valence electron systems of condensed matter. We will now examine inelastic scattering processes connected with excitations of core-electrons from closed shells into unoccupied states about which we want to learn by this type of spectroscopy. In this case we will speak, for more historical reasons, of non-resonant X-ray Raman scattering or spectroscopy, or still more briefly of X
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Casey, Joel. "Never the Twain Shall Meet: Touch, Double-Sidedness and Race in the Pages of Picture Show." In Stars, Fan Magazines and Audiences, edited by Tamar Jeffers McDonald, Lies Lanckman, and Sarah Polley. Edinburgh University Press, 2023. http://dx.doi.org/10.3366/edinburgh/9781399505901.003.0002.

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This chapter considers an ‘Art Supplement’ in Picture Show from 1921, analysing the relationship between the images on front and back of a double-page spread. The front image is of Lilian Gish and Richard Barthelmess from Way Down East (1920), while, on the reverse, ‘East & West in Screenland’ shows stills from films in which (East, West, and South) Asian characters have romantic relationships with white Europeans or Americans. These latter stills ‘freeze’ the moment of sexual frisson or contact that, in the films, could never be actualised, since censorship banning interracial relationshi
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"Clement Shorter, ‘Illustrated Journalism: Its Past and Its Future’, Contemporary Review, 75 (1899), 481—95 [481—2, 485—7, 489—93]." In Victorian Print Media, edited by Andrew King and John Plunkett. Oxford University PressOxford, 1990. http://dx.doi.org/10.1093/oso/9780199270378.003.0070.

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Abstract Illustrated journalism expanded rapidly during the 1880s and 1890s, encouraged in part by a newly discovered ability to reproduce photographs directly in periodicals. Previously engravings of photos had had to be made: the direct introduction of photography marked the commercial death of wood-engraving, the previously dominant graphic medium. Clement Shorter (1857—1926) started his career on the Star and became editor of the Illustrated London News in 1891; he also founded Sketch in 1893, Tatler in 1891, and the Sphere in 1900. In the extract below he assesses the future of the illust
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"International Bureaux and Institutes." In The United Nations System and its Predecessors, edited by Franz Knipping. Oxford University PressOxford, 1997. http://dx.doi.org/10.1093/oso/9780198764496.003.0008.

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Abstract Article 24 of the Covenant stipulates that all International Bureaux, which have been or shall be subsequently constituted by general treaties, shall be placed under the direction of the League of Nations, subject, however, to the consent of the Parties in the case of Bureaux created before the coming into force of the Covenant. There are more than 30 International Bureaux. Among the most important may be mentioned: the International Institute of Agriculture at Rome, the Bureau for the Protection of Literary and Industrial Rights, the Universal Telegraphic Union and the Universal Wire
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Salford, Leif G. "The development of echoencephalography in Sweden." In Ultrasound in Clinical Diagnosis. Oxford University Press, 2011. http://dx.doi.org/10.1093/oso/9780199602070.003.0010.

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Although neurosurgery has a long history it was thanks to brave pioneering neurosurgeons such as Harvey Cushing in the United States — and in Sweden Herbert Olivecrona — that the speciality made huge progress during the first half of the 20th century. However, around 1950, the possibility to reveal pathological processes taking place inside the closed skull, was still very restricted. The only available rapid procedure was the neurological examination of the patient. X-ray of the skull is of restricted value, pneumo-encephalography was much too complicated and time-consuming for acute situatio
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Conference papers on the topic "Doubly closed shell"

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Fuentes, Roderick E., Pavan K. Shukla, Bruce J. Wiersma, Crystal Girardot, Natalie Young, and Theodore Venetz. "Effects of Vapor Corrosion Inhibitors on Corrosion of Secondary Liner in Double Shell Tanks at Hanford." In CORROSION 2019. NACE International, 2019. https://doi.org/10.5006/c2019-13369.

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Abstract High level radioactive waste is stored in 28 double shell tanks (DSTs) at Hanford. Each DST consists of two distinct tank shells: primary and secondary, with primary shell inside the secondary. The secondary shell rests on a concrete pad that has drain slots. The slots provide a flow path for detection of the tank fluid in the event of a leak. It is known that water accumulates in the slots and drains toward a leak detection pit. Ultrasonic inspections have determined that there is thinning of the exterior of the secondary liner and is suspected to be caused by general and localized c
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FABROCINI, A., F. ARIAS DE SAAVEDRA, and G. P. CO’. "CORRELATIONS AND REALISTIC INTERACTIONS IN DOUBLY CLOSED SHELL NUCLEI." In Proceedings of the 10th International Conference. WORLD SCIENTIFIC, 2000. http://dx.doi.org/10.1142/9789812792754_0029.

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DE SAAVEDRA, F. ARIAS, C. BISCONTI, and G. CO. "FERMI HYPERNETTED CHAIN DESCRIPTION OF DOUBLY CLOSED SHELL NUCLEI." In Proceedings of the 14th International Conference. WORLD SCIENTIFIC, 2008. http://dx.doi.org/10.1142/9789812779885_0019.

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Podolyák, Zs, P. G. Bizzeti, A. M. Bizzeti-Sona, et al. "COMPETITION BETWEEN OCTUPOLE AND SHELL MODEL STATES NEAR THE DOUBLY CLOSED 146Gd." In Proceedings of the International Symposium. WORLD SCIENTIFIC, 2001. http://dx.doi.org/10.1142/9789812811233_0069.

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SHAIKH, A. S. "Static and free vibration analysis of laminated sandwich shell with double curvature considering the effect of transverse normal strain." In Advanced Topics in Mechanics of Materials, Structures and Construction. Materials Research Forum LLC, 2023. http://dx.doi.org/10.21741/9781644902592-6.

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Abstract. For the static bending analysis of sandwich spherical shells, higher-order closed-form solutions are provided in the current study based on a new hyperbolic shell theory considering the effects of transverse normal strain. A shell consists of three layers wherein the top and the bottom layers (face sheets) are made up of hard material and the middle layer (core) is made up of soft material. The governing equations and associated boundary conditions of the theory are produced by employing the principle of virtual work. Semi-analytical closed-form solutions for the static problem are p
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Smith, Brian L., and Sergey V. Shepel. "CFD Analysis of a Possible Leakage of Coolant in the MEGAPIE Spallation Source Target." In ASME 2005 Summer Heat Transfer Conference collocated with the ASME 2005 Pacific Rim Technical Conference and Exhibition on Integration and Packaging of MEMS, NEMS, and Electronic Systems. ASMEDC, 2005. http://dx.doi.org/10.1115/ht2005-72611.

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The paper reports first steps in an analysis, using Computational Fluid Dynamics (CFD), of a leak of hot (>250°C) lead bismuth eutectic (LBE) from the MEGAPIE spallation source target into the helium-filled gap between the target hull and a close-fitting, double-walled safety container. Issues addressed are: (1) determining the initial impact pressure of the LBE on the inner shell of the safety container, which could result in the gap between the shells being closed, and its cooling capacity compromised; (2) LBE freezing on the cold shell surface could delay action of the leak detection
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Rozenfeld, A., Y. Kozak, T. Rozenfeld, and G. Ziskind. "A Novel Double-Pipe Heat Storage Unit." In ASME 2016 Heat Transfer Summer Conference collocated with the ASME 2016 Fluids Engineering Division Summer Meeting and the ASME 2016 14th International Conference on Nanochannels, Microchannels, and Minichannels. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/ht2016-7394.

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This research is an experimental investigation of a double-pipe heat storage unit. The inner pipe of the unit, through which a heat-transfer fluid (HTF) is supplied, is made of aluminum and has an outer helix-like fin. The annular space between the pipes is filled with a phase change material (PCM). Actually, this research presents a novel design of the heat storage unit, which, unlike traditional designs with e.g. radial (circumferential) or longitudinal fins, has a single fin which does not divide the shell volume into separated cells. Moreover, this research focuses on close-contact melting
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Hess, Joseph E. D. "Numerical Study of an Impusively Loaded Vessel Containing Double Versus Single Closure Bolt Patterns." In ASME 2017 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2017. http://dx.doi.org/10.1115/pvp2017-65976.

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Impulsively loaded pressure vessels are often closed using a bolted joint configured in a double staggered row pattern. The bolted joint design must maintain the placement of the vessel opening covers to support the structural integrity of the shell and also provide the necessary preload of sealing surfaces for leak prevention. Good design practice suggests configuring tensile loaded bolted joints with a double rows pattern in order to minimize prying against the bolt head induced by localized moments. Double bolt row patterns allow moments induced by load offsets to be reacted through contact
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Andersen, Odd Jan, Sverre Haver, Narve Oma, Olav Rognebakke, and Octavi Sado´. "Fatigue Assessment of Side Shell Details of an FPSO Based on Non-Collinear Sea and Swell." In ASME 2008 27th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2008. http://dx.doi.org/10.1115/omae2008-57241.

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A methodology to calculate the fatigue damage in non-collinear wind generated sea and swell has been proposed for weather vaning turret moored FPSO’s. The methodology consists in specifying long-term distributions of sea and swell conditions by directional wave scatter diagrams of Hs and Tp and extracting the swell – and wind wave contributions by use of the Torsethaugen double-peaked wave spectra. By assuming the wind sea induced response and the swell induced response to be independent narrow banded processes, response spectra for the combined processes are established. The wave loads are ca
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Monts, David L., Ping-Rey Jang, Zhiling Long, et al. "Technical Performance Characterization of Fourier Transform Profilometry for Quantitative Waste Volume Determination Under Hanford Waste Tank Conditions." In ASME 2009 12th International Conference on Environmental Remediation and Radioactive Waste Management. ASMEDC, 2009. http://dx.doi.org/10.1115/icem2009-16281.

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The Hanford Site in western Washington state is currently in the process of an extensive effort to empty and close its radioactive single-shell and double-shell waste storage tanks. Before this can be accomplished, it is necessary to know how much residual material is left in a given waste tank and the chemical makeup of the residue. The Institute for Clean Energy Technology (ICET) at Mississippi State University is currently developing an quantitative in-tank inspection system based on Fourier Transform Profilometry, FTP. FTP is a non-contact, 3-D shape measurement technique. By projecting a
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