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Journal articles on the topic '1D Triangulace'

Author: Grafiati

Published: 4 June 2021

Last updated: 14 February 2022

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1

Prozorova, L. A., S. S. Sosin, and I. A. Zalizniak. "Nonmagnetic impurities in 1D and 3D triangular antiferromagnets." Physica B: Condensed Matter 284-288 (July 2000): 1629–30. http://dx.doi.org/10.1016/s0921-4526(99)02808-2.

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Rouba, Said, Pierre Rabu, Eric Ressouche, Louis-Pierre Regnault, and Marc Drillon. "Ferromagnetism in 1d and 2d triangular nickel(II) -based compounds." Journal of Magnetism and Magnetic Materials 163, no. 3 (1996): 365–72. http://dx.doi.org/10.1016/s0304-8853(96)00327-7.

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3

Gerlach, David J., Kyle F. Chun, and Thomas E. Trumble. "Triangular Fibrocartilage Complex Repair Through Bone Tunnels (Palmer Type 1D)." Operative Techniques in Sports Medicine 18, no. 3 (2010): 173–80. http://dx.doi.org/10.1053/j.otsm.2010.03.004.

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4

Lin, Yu. "Asymmetric light transmission based on a 1D triangular metal grating." Journal of the Optical Society of America B 37, no. 5 (2020): 1428. http://dx.doi.org/10.1364/josab.387975.

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Wang, Hui-Sheng, Ke Zhang, Jia Wang, et al. "Regulating the distortion degree of the square antiprism coordination geometry in Dy–Na single ion magnets." CrystEngComm 23, no. 17 (2021): 3175–84. http://dx.doi.org/10.1039/d1ce00146a.

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A DyNa complex (1) and a DyNa<sub>2</sub> 1D chain (2) have been obtained; their square antiprism coordination geometries were changed from the bicapped triangular prism of the reported DyNa<sub>2</sub> complex. Compounds 1 and 2 exhibit single ion magnet behavior.

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Sužiedelytė-Visockienė, Jūratė, Aušra Kumetaitienė та Renata Bagdžiūnaitė. "ACCURACY ANALYSIS OF DIFFERENT SURFACE RECONSTRUCTION MODELLING METHODS FOR HERITAGE OBJECTS DIGITIZED CONSIDERING PHOTOGRAMMETRIC DATA / SKIRTINGŲ RELJEFO MODELIAVIMO METODŲ, SUDARYTŲ PAGAL PAVELDO OBJEKTO FOTOGRAMETRINIUS DUOMENIS, TIKSLUMO ANALIZĖ / АНАЛИЗ ТОЧНОСТИ РАЗНЫХ МЕТОДОВ МОДЕЛИРОВАНИЯ ПОВЕРХНОСТИ, СОСТАВЛЕННЫХ В СООТВЕТСТВИИ С ФОТОГРАММЕТРИЧЕСКИМИ ДАННЫМИ ОБЪЕКТА АРХИТЕКТУРНОГО НАСЛЕДИЯ". Geodesy and Cartography 37, № 2 (2011): 56–62. http://dx.doi.org/10.3846/13921541.2011.591485.

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The article explains the possibilities of reconstructing heritage objects. Measurements were made using photogrammetric data received from digital images taken by the Canon EOS 1D Mark III digital camera calibrated in the Institute of Photogrammetry at the University of Bonn (Germany). The images were received applying the PhotoMod photogrammetric software produced in Russia. TIN (Triangulated Irregular Network) and an orthophoto map were made in the investigated objects. The modelling analysis of TIN data was made using ArcGIS software. The purpose of the article is to reconstruct the surface

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Hoshino, Norihisa, Sena Fujita, and Tomoyuki Akutagawa. "The trinuclear platinum(ii) complex in Vèzes’ red salt as a building block of coordination polymers." Dalton Transactions 48, no. 1 (2019): 176–81. http://dx.doi.org/10.1039/c8dt04121k.

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One-dimensional (1D) and three-dimensional (3D) coordination polymers comprising triangular [Pt<sub>3</sub>(NO<sub>2</sub>)<sub>6</sub>(μ<sub>3</sub>-O)]<sup>2−</sup> ([Pt3]<sup>2−</sup>) units were prepared from K<sub>2</sub>[Pt3]·3H<sub>2</sub>O (1), also known as Vèzes’ red salt.

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Kaya, Tuncer. "The 2D non self-dual Ising lattices: An exact renormalization group treatment." International Journal of Modern Physics B 35, no. 13 (2021): 2150170. http://dx.doi.org/10.1142/s0217979221501708.

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In this work, an exact renormalization group treatment of honeycomb lattice leading to an exact relation between the coupling strengths of the honeycomb and the triangular lattices is presented. Using the honeycomb and the triangular duality relation, the critical coupling values of honeycomb and triangular lattices are calculated exactly by the simultaneous solution of the renormalized relation and the duality relation, without using the so-called star-triangular transformation. Apparently, the obtained coupling relation is unique. It not only takes place the role of the star triangular relat

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Kassan-Ogly, Felix A., and B. N. Filippov. "Frustrations and Phase Transitions in Low-Dimensional Magnetic Systems." Solid State Phenomena 168-169 (December 2010): 427–34. http://dx.doi.org/10.4028/www.scientific.net/ssp.168-169.427.

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The phenomena of frustrations appearance and suppression of phase transition or, on the contrary, the phase transition appearance and suppression of frustrations are studied on the base of exact solutions for 1D 3-state [1], 4-state standard [2] Potts models and the Ising model [3] with allowance for the interactions between nearest J and next-nearest neighbors J'. We also studied these phenomena in the Ising model on 2D triangular, honeycomb, and kagome lattices, using the exact analytical solutions for maximum eigenvalue of Kramers-Wannier transfer matrix [4] и [5]. In 1D case we mainly used

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Schenke, Björn, Sangyong Jeon, and Charles Gale. "Elliptic and triangular flows in 3+1D viscous hydrodynamics with fluctuating initial conditions." Journal of Physics G: Nuclear and Particle Physics 38, no. 12 (2011): 124169. http://dx.doi.org/10.1088/0954-3899/38/12/124169.

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Moreno-Avendano, Santiago, Daniel Mejia-Parra, and Oscar Ruiz-Salguero. "Triangle mesh skeletonization using non-deterministic voxel thinning and graph spectrum segmentation." MATEC Web of Conferences 336 (2021): 02030. http://dx.doi.org/10.1051/matecconf/202133602030.

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In the context of shape processing, the estimation of the medial axis is relevant for the simplification and re-parameterization of 3D bodies. The currently used methods are based on (1) General fields, (2) Geometric methods and (3) voxel-based thinning. They present shortcomings such as (1) overrepresentation and non-smoothness of the medial axis due to high frequency nodes and (2) biased-skeletons due to skewed thinning. To partially overcome these limitations, this article presents a non-deterministic algorithm for the estimation of the 1D skeleton of triangular B-Reps or voxel-based body r

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Cho, Chul-Hyun, Young-Kuk Lee, and Hong-Kwan Sin. "ARTHROSCOPIC DIRECT REPAIR FOR RADIAL TEAR OF THE TRIANGULAR FIBROCARTILAGE COMPLEX." Hand Surgery 17, no. 03 (2012): 429–32. http://dx.doi.org/10.1142/s0218810412970076.

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Although various repair techniques for Palmer type 1B lesions of the triangular fibrocartilage complex (TFCC) have been introduced, arthroscopic repair techniques for Palmer type 1D lesions are still being honed. Until recently, inside-out techniques have commonly been used to repair radial tears of the TFCC. However, that technique has the disadvantages of a requirement for an extra skin incision, pain resulting from prominent subcutaneous suture knot stacks, and peripheral nerve injury. We describe an all-arthroscopic direct-repair technique using a suture hook with 2–0 polydioxanone that is

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13

Chen, Dong, and Young Hoon Joo. "A Novel Approach to 3D-DOA Estimation of Stationary EM Signals Using Convolutional Neural Networks." Sensors 20, no. 10 (2020): 2761. http://dx.doi.org/10.3390/s20102761.

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This paper proposes a novel three-dimensional direction-of-arrival (3D-DOA) estimation method for electromagnetic (EM) signals using convolutional neural networks (CNN) in a Gaussian or non-Gaussian noise environment. First of all, in the presence of Gaussian noise, four output covariance matrices of the uniform triangular array (UTA) are normalized and then fed into four neural networks for 1D-DOA estimation with identical parameters in parallel; then four 1D-DOA estimations of the UTA can be obtained, and finally, the 3D-DOA estimation could be obtained through post-processing. Secondly, in

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Toribio, Jesús, Viktor Kharin, Diego Vergara, and Miguel Lorenzo. "Two-Dimensional Numerical Modelling of Hydrogen Diffusion in Metals Assisted by Both Stress and Strain." Advanced Materials Research 138 (October 2010): 117–26. http://dx.doi.org/10.4028/www.scientific.net/amr.138.117.

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The present work is based on previous research on the one-dimensional (1D) analysis of the hydrogen diffusion process, and proposes a numerical approach of the same phenomenon in two-dimensional (2D) situations, e.g. notches. The weighted residual method was used to solve numerically the differential equations set out when the geometry was discretized through the application of the finite element method. Three-node triangular elements were used in the discretization, due to its simplicity, and a numerical algorithm was numerically implemented to obtain the hydrogen concentration distribution i

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Verma, Yogesh Kumar, Varun Mishra, and Santosh Kumar Gupta. "A Physics-Based Analytical Model for MgZnO/ZnO HEMT." Journal of Circuits, Systems and Computers 29, no. 01 (2019): 2050009. http://dx.doi.org/10.1142/s0218126620500097.

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In this paper, a physics-based compact model is developed for novel MgZnO/ZnO high-electron-mobility transistor (HEMT). Poisson’s equation coupled with 1D Schrödinger equation is solved self-consistently in the triangular quantum well to derive an expression of two-dimensional electron gas (2DEG) density with respect to gate voltage at the heterointerface of barrier (MgZnO) and buffer (ZnO) layers. A compact mathematical framework has been devised further for the first time for ZnO-based HEMT to the best of our knowledge using the expression of 2DEG density to compute surface potential, gate c

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Efthymiou, Constantinos G., Catherine P. Raptopoulou, Vassilis Psycharis, et al. "Copper(II)/di-2-pyridyl ketone chemistry: A triangular cluster displaying antisymmetric exchange versus an 1D coordination polymer." Polyhedron 64 (November 2013): 30–37. http://dx.doi.org/10.1016/j.poly.2013.01.060.

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Ramos, J. I. "A conservative method of lines for advection-reaction-diffusion equations." International Journal of Numerical Methods for Heat & Fluid Flow 30, no. 11 (2020): 4735–63. http://dx.doi.org/10.1108/hff-12-2019-0885.

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Purpose The purpose of this study is to develop a new method of lines for one-dimensional (1D) advection-reaction-diffusion (ADR) equations that is conservative and provides piecewise analytical solutions in space, compare it with other finite-difference discretizations and assess the effects of advection and reaction on both 1D and two-dimensional (2D) problems. Design/methodology/approach A conservative method of lines based on the piecewise analytical integration of the two-point boundary value problems that result from the local solution of the advection-diffusion operator subject to the c

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18

Capek, Ignác. "Noble Metal Nanoparticles and Their (Bio) Conjugates. II. Preparation." International Journal of Chemistry 8, no. 1 (2016): 86. http://dx.doi.org/10.5539/ijc.v8n1p86.

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Hybrid nanoparticles of gold and silver can not only retain the beneficial features of both nanomaterials, but also possess unique advantages (synergism) over the other two types. Novel pseudospherical and anisotropic nanoparticles, bimetallic triangular nanoparticles, and core@shell nanoparticles were prepared by the different procedures for various applications and understanding both the particle evolution (nucleation) and nanoparticle anisotropy. Hybrid nanoparticles of gold and silver are considered to be low in toxicity, and exhibit facile surface functionalization chemistry. Furthermore,

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19

Huang, Yuanchun, Sidong Shen, Lei Wang, Tianyi Li, and Xianlei Fu. "Analysis of One-Dimensional Consolidation for Unsaturated Soils under Piecewise Cyclic Loading." Advances in Civil Engineering 2021 (July 2, 2021): 1–10. http://dx.doi.org/10.1155/2021/9970766.

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This paper studies the one-dimensional (1D) consolidation behavior for unsaturated stratum subjected to piecewise cyclic loading. Combined with the widely accepted consolidation theory of unsaturated soils, a semianalytical method was employed to investigate the consolidation of unsaturated foundation considering piecewise cyclic loading in the Laplace domain. Furthermore, the reduced solutions were produced to perform the verification work accompanied by the results in the existing literature. Finally, a case study was conducted to explore the consolidation characteristics under piecewise cyc

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McNamara, Colin T., Salih Colakoglu, and Matthew L. Iorio. "A Systematic Review and Analysis of Palmer Type I Triangular Fibrocartilage Complex Injuries: Outcomes of Treatment." Journal of Hand and Microsurgery 12, no. 02 (2020): 116–22. http://dx.doi.org/10.1055/s-0040-1713580.

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AbstractTriangular fibrocartilage complex (TFCC) injuries can present incidentally as an asymptomatic lesion or can cause acute and chronic pain. This study compared different treatment approaches for symptomatic Palmer Type 1 TFCC injuries and rates of improvement using a systematic review of the literature. Two hundred thirty-one articles were identified, 43 met criteria and were included. Two of these articles indicated conservative therapy may be adequate. Patients who underwent debridement for any Type 1 Palmer class returned to work at a rate of 92% (n = 182), but only 44% (n = 38) were

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Matringe, Sebastien Francois, Ruben Juanes, and Hamdi A. Tchelepi. "Streamline Tracing on General Triangular or Quadrilateral Grids." SPE Journal 12, no. 02 (2007): 217–33. http://dx.doi.org/10.2118/96411-pa.

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Summary Streamline methods have received renewed interest over the past decade as an attractive alternative to traditional finite-difference (FD) simulation. They have been applied successfully to a wide range of problems including production optimization, history matching, and upscaling. Streamline methods are also being extended to provide an efficient and accurate tool for compositional reservoir simulation. One of the key components in a streamline method is the streamline tracing algorithm. Traditionally, streamlines have been traced on regular Cartesian grids using Pollock's method. Seve

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Kassan-Ogly, Felix, Alexey I. Proshkin, Akai K. Murtazaev, Albert Babaev, Magomedsheykh Ramazanov, and Magomed Magomedov. "Frustrations and Phase Transitions in Low-Dimensional Magnetic Systems." Materials Science Forum 845 (March 2016): 111–16. http://dx.doi.org/10.4028/www.scientific.net/msf.845.111.

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We studied magnetic orderings and frustrations on 1D chain and 2D lattices: square, triangular, kagome, and hexagonal in the Ising, 3-state Potts and standard 4-state Potts models. The spins interrelate with one another via the nearest-neighbor, the next-nearest-neighbor or the third-neighbor exchange interactions and by an external magnetic field. For problem solving we mainly calculated the entropy and specific heat using the rigorous analytical solutions for maximum eigenvalue of Kramers-Wannier transfer-matrix and exploiting computer simulation, par excellence, by Wang-Landau algorithm. Wh

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Delelegn, S. W., A. Pathirana, B. Gersonius, A. G. Adeogun, and K. Vairavamoorthy. "Multi-objective optimisation of cost–benefit of urban flood management using a 1D2D coupled model." Water Science and Technology 63, no. 5 (2011): 1053–59. http://dx.doi.org/10.2166/wst.2011.290.

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This paper presents a multi-objective optimisation (MOO) tool for urban drainage management that is based on a 1D2D coupled model of SWMM5 (1D sub-surface flow model) and BreZo (2D surface flow model). This coupled model is linked with NSGA-II, which is an Evolutionary Algorithm-based optimiser. Previously the combination of a surface/sub-surface flow model and evolutionary optimisation has been considered to be infeasible due to the computational demands. The 1D2D coupled model used here shows a computational efficiency that is acceptable for optimisation. This technological advance is the re

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Kajitani, Tsuyoshi, Yuzuru Miyazaki, Yasuhuri Ono, Shahnaz Begum, and Kunio Yubuta. "Static and Dynamic Characteristics of Thermoelectric Ceramics." Key Engineering Materials 336-338 (April 2007): 826–30. http://dx.doi.org/10.4028/www.scientific.net/kem.336-338.826.

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Structural characteristics of the high performance cobaltite thermoelectric semiconductors have been studied intensively by means of X-ray and neutron diffraction measurements and high resolution electron microscopy (HREM). These cobaltites consists of CoO2 triangular conducting sheets and several different types of block layers, i.e., Na, Ca, Sr single layers, three or four layered rock-salt layers, where Co-O2 square lattices are situated at their middle, and Bi-O or Tl-O double layers plus alkaline oxygen layers. Cold neutron scattering technique is employed to search possible low-energy ex

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Kassan-Ogly, Felix, and Alexey Proshkin. "Frustrations and phase transitions in magnets of various dimensionality." EPJ Web of Conferences 185 (2018): 11002. http://dx.doi.org/10.1051/epjconf/201818511002.

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We studied magnetic orderings, phase transitions, and frustrations in the Ising, 3-state Potts and standard 4-state Potts models on 1D, 2D, and 3D lattices: linear chain, square, triangular, kagome, honeycomb, and body-centered cubic. The main challenge was to find out the causes of frustrations phenomena and those features that distinguish frustrated system from not frustrated ones. The spins may interrelate with one another via the nearest-neighbor, the next-nearest-neighbor or higher-neighbor exchange interactions and via an external magnetic field that may be either competing or not. For p

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Ghosh, Shankar, Pallavi V. Teredesai, and A. K. Sood. "Electrochemical tuning and mechanical resilience of single-wall carbon nanotubes." Pure and Applied Chemistry 74, no. 9 (2002): 1719–30. http://dx.doi.org/10.1351/pac200274091719.

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Single-wall carbon nanotubes (SWNTs) are fascinating systems exhibiting many novel physical properties. In this paper, we give a brief review of the structural, electronic, vibrational, and mechanical properties of carbon nanotubes. In situ resonance Raman scattering of SWNTs investigated under electrochemical biasing demonstrates that the intensity of the radial breathing mode varies significantly in a nonmonotonic manner as a function of the cathodic bias voltage, but does not change appreciably under anodic bias. These results can be quantitatively understood in terms of the changes in the

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Rigamonti, Luca, Manuela Vaccari, Fabrizio Roncaglia, Carlo Baschieri, and Alessandra Forni. "New Silver(I) Coordination Polymer with Fe4 Single-Molecule Magnets as Long Spacer." Magnetochemistry 4, no. 4 (2018): 43. http://dx.doi.org/10.3390/magnetochemistry4040043.

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In continuation of our work on supramolecular architectures of single-molecule magnets (SMMs) as a promising strategy in developing their magnetic performance, in this paper we report the synthesis and single crystal X-ray structure of the centered triangular tetrairon(III) SMM, [Fe4(PhpPy)2(dpm)6], Fe4 (Hdpm = dipivaloylmethane, H3PhpPy = 2-(hydroxymethyl)-2-(4-(pyridine-4-yl)phenyl)propane-1,3-diol), and its assembly in the coordination polymer {[Fe4(PhpPy)2(dpm)6Ag](ClO4)}n, Fe4Ag, upon reaction with silver(I) perchlorate. Thanks to the presence of the pyridyl rings on the two tripodal liga

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Stein, Sebastian, Lukas Heletta, and Rainer Pöttgen. "Ternary indides RE3T2In4 (RE=Dy–Tm; T=Pd, Ir)." Zeitschrift für Naturforschung B 73, no. 11 (2018): 765–72. http://dx.doi.org/10.1515/znb-2018-0091.

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AbstractThe ternary rare earth transition metal-indides RE3T2In4 (RE=Dy–Tm; T=Pd, Ir) were obtained from high-temperature reactions in sealed niobium ampoules. These indides adopt a hexagonal structure of the Lu3Co1.87In4 type (space group P6̅), a ternary ordered superstructure of the aristotype Fe2P. The structures of three different compounds were refined from single-crystal X-ray diffractometer data: a=768.20(6), c=381.97(3) pm, 1441 F2 values, 24 parameters, wR2=0.0338 (Ho3Pd1.90In4); a=774.98(3), c=378.51(2) pm, 577 F2 values, 23 parameters, wR2=0.0742 (Ho3Ir1.69In4.31) and a=780.3(1), c=

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Ma, Kui-Rong, Chun-Li Wei, Yu Zhang, Yu-He Kan, Ming-Hui Cong, and Xiao-Jing Yang. "Structures and Spectroscopy Studies of Two M(II)-Phosphonate Coordination Polymers Based on Alkaline Earth Metals (M = Ba, Mg)." Journal of Spectroscopy 2013 (2013): 1–9. http://dx.doi.org/10.1155/2013/378379.

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The two examples of alkaline-earth M(II)-phosphonate coordination polymers, [Ba2(L)(H2O)9]·3H2O (1) and [Mg1.5(H2O)9]·(L-H2)1.5·6H2O (2) (H4L = H2O3PCH2N(C4H8)NCH2PO3H2),N,N′-piperazinebis(methylenephosphonic acid), (L-H2= O3PH2CHN(C4H8)NHCH2PO3) have been hydrothermally synthesized and characterized by elemental analysis, FT-IR, PXRD, TG-DSC, and single-crystal X-ray diffraction. Compound1possesses a 2D inorganic-organic alternate arrangement layer structure built from 1D inorganic chains through the piperazine bridge, in which the ligand L−4shows two types of coordination modes reported rare

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Li, Yuguo, and Kerry Key. "2D marine controlled-source electromagnetic modeling: Part 1 — An adaptive finite-element algorithm." GEOPHYSICS 72, no. 2 (2007): WA51—WA62. http://dx.doi.org/10.1190/1.2432262.

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In Part 1 of this work, we develop an adaptive finite-element algorithm for forward modeling of the frequency-domain, marine controlled-source electromagnetic (CSEM) response of a 2D conductivity structure that is excited by a horizontal electric dipole source. After transforming the governing equations for the secondary electromagnetic fields into the wavenumber domain, the coupled system of two partial differential equations for the strike-parallel electric and magnetic fields is approximated using the finite-element method. The model domain is discretized using an unstructured triangular el

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Klemp, Joseph B. "Damping Characteristics of Horizontal Laplacian Diffusion Filters." Monthly Weather Review 145, no. 11 (2017): 4365–79. http://dx.doi.org/10.1175/mwr-d-17-0015.1.

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Horizontally diffusive computational damping terms are frequently employed in 3D atmospheric simulation models to enhance stability and to suppress small-scale noise. In configuring these filters, it is desirable that damping effects are concentrated on the smaller-scale disturbances close to the grid scale and that the dissipation is spatially isotropic. On Cartesian meshes, the isotropy of the damping can vary greatly depending on the numerical formulation of the horizontal filter. The most isotropic behavior appears to result from recursive application of a 2D Laplacian that combines both a

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An, Yanyan, Liping Lu, and Miaoli Zhu. "Three new ZnII coordination polymers constructed from a semi-rigid tricarboxylic acid: structural changes caused by flexibility and luminescence sensing for hexavalent chromate anions." Acta Crystallographica Section C Structural Chemistry 75, no. 9 (2019): 1286–98. http://dx.doi.org/10.1107/s2053229619011069.

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Coordination polymers (CPs) with specific structures and functional luminescence have been widely designed as sensors for detecting small molecules and ions. In this study, with or without the help of an N-donor auxiliary linker, three new ZnII CPs, namely, three-dimensional (3D) poly[[pentaaquabis[μ3-5-(4-carboxybenzyloxy)isophthalato]bis[μ6-5-(4-carboxylatobenzyloxy)isophthalato]di-μ3-hydroxido-hexazinc(II)] trihydrate], {[Zn6(C16H10O7)2(C16H9O7)2(OH)2(H2O)5]·3H2O} n or {[Zn6(μ3-HL)2(μ6-L)2(μ3-OH)2(H2O)5]·3H2O} n , (I), one-dimensional (1D) catena-poly[[[aqua(1,10-phenanthroline)zinc(II)]-μ2

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Ouyang, Fang, Jianguo Zhao, Shikun Dai, Longwei Chen, and Shangxu Wang. "Shape-function-based nonuniform Fourier transforms for seismic modeling with irregular grids." GEOPHYSICS 86, no. 4 (2021): T165—T178. http://dx.doi.org/10.1190/geo2020-0575.1.

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Multidimensional Fourier transform on an irregular grid is a useful tool for various seismic forward problems caused by complex media and wavefield distributions. Using a shape-function-based strategy, we have developed four different algorithms for 1D and 2D nonuniform Fourier transforms, such as two high-accuracy Fourier transforms (the linear shape-function-based Fourier transform [LSF-FT] and the quadratic shape-function-based Fourier transform [QSF-FT]) and two nonuniform fast Fourier transforms (NUFFTs) (the linear shape-function-based NUFFT [LSF-NUFFT] and the quadratic shape-function-b

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Dogan, Gozde Guney, Efim Pelinovsky, Andrey Zaytsev, et al. "Long wave generation and coastal amplification due to propagating atmospheric pressure disturbances." Natural Hazards 106, no. 2 (2021): 1195–221. http://dx.doi.org/10.1007/s11069-021-04625-9.

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AbstractMeteotsunamis are long waves generated by displacement of a water body due to atmospheric pressure disturbances that have similar spatial and temporal characteristics to landslide tsunamis. NAMI DANCE that solves the nonlinear shallow water equations is a widely used numerical model to simulate tsunami waves generated by seismic origin. Several validation studies showed that it is highly capable of representing the generation, propagation and nearshore amplification processes of tsunami waves, including inundation at complex topography and basin resonance. The new module of NAMI DANCE

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Huerta, Adrián, Taras Bryk, Victor M. Pergamenshchik, and Andrij Trokhymchuk. "Collective Dynamics in Quasi-One-Dimensional Hard Disk System." Frontiers in Physics 9 (May 13, 2021). http://dx.doi.org/10.3389/fphy.2021.636052.

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We present the results of molecular dynamic studies of collective dynamics in a system of hard disks confined to a narrow quasi-one-dimensional (quasi-1D) channel. The computer simulations have been performed for the specific channel width of 3/2 of disk diameter in which the disk arrangement at close packing resembles zigzag ordering characteristic of a vertically oriented two-dimensional (2D) triangular lattice. In such a quasi-1D system, which is intermediate between 1D and 2D arrays of hard disks, the transverse excitations obey very specific dispersion law typical of the usual optical tra

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Eriksson, Kjell, and Christer Stenström. "Homogenization of the 1D Peri-static/dynamic Bar with Triangular Micromodulus." Journal of Peridynamics and Nonlocal Modeling, October 22, 2020. http://dx.doi.org/10.1007/s42102-020-00042-x.

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Abstract In peridynamics, boundary effects generally appear due to nonlocality of interparticle forces; in particular, end effects are found in 1D bars. In a previous work by Eriksson and Stenström (J Peridyn Nonlocal Model 2(2):205–228, 2020), a simple method to remove end effects in certain types of 1D bars, or to homogenize such bars, was presented for bars with constant micromodulus. In this work, which is a continuation of Eriksson and Stenström (J Peridyn Nonlocal Model 2(2):205–228, 2020), the homogenizing procedure is applied to bars with a linear, or “triangular,” micromodulus. For th

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PANDEY, ASHISH, STUTI PANDEY, Abhay Kumar Agarwal, and Abhishek Pandey. "Addressing Formulas for Central Triangular Matrices in 1d Arrays Using Column Major." SSRN Electronic Journal, 2019. http://dx.doi.org/10.2139/ssrn.3355291.

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Cabedo, Josep, Joan Claramunt, Jordi Mompart, Verònica Ahufinger, and Alessio Celi. "Effective triangular ladders with staggered flux from spin-orbit coupling in 1D optical lattices." European Physical Journal D 74, no. 6 (2020). http://dx.doi.org/10.1140/epjd/e2020-10129-1.

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Sharabi, M., W. Ambrosini, S. He, Pei-Xue Jiang, and Chen-Ru Zhao. "Transient Three-Dimensional Stability Analysis of Supercritical Water Reactor Rod Bundle Subchannels by a Computatonal Fluid Dynamics Code." Journal of Engineering for Gas Turbines and Power 131, no. 2 (2009). http://dx.doi.org/10.1115/1.3032437.

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The paper describes the application of computational fluid dynamics (CFD) in simulating density wave oscillations in triangular and square pitch rod bundles. The FLUENT code is used for this purpose, addressing typical conditions proposed for supercritical water reactor (SCWR) conceptual design. The RELAP5 code and an in-house 1D linear stability code are also adopted to compare the results for instability thresholds obtained by different techniques. Transient analyses are performed both by the CFD code and RELAP5, with increasing heating rates and constant pressure drop across the channel, up

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Olshanii, Maxim, Dumesle Deshommes, Jordi Torrents, Marina Gonchenko, Vanja Dunjko, and G. E. Astrakharchik. "Triangular Gross-Pitaevskii breathers and Damski-Chandrasekhar shock waves." SciPost Physics 10, no. 5 (2021). http://dx.doi.org/10.21468/scipostphys.10.5.114.

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The recently proposed map [5] between the hydrodynamic equations governing the two-dimensional triangular cold-bosonic breathers [1] and the high-density zero-temperature triangular free-fermionic clouds, both trapped harmonically, perfectly explains the former phenomenon but leaves uninterpreted the nature of the initial (t=0) singularity. This singularity is a density discontinuity that leads, in the bosonic case, to an infinite force at the cloud edge. The map itself becomes invalid at times t<0t<0. A similar singularity appears at t = T/4t=T/4, where T is the period of the harmonic t

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Bhutani, Ankita, Piush Behera, Rebecca D. McAuliffe, et al. "Incommensurate magnetism in K2MnS2−xSex and prospects for tunable frustration in a triangular lattice of pseudo-1D spin chains." Physical Review Materials 3, no. 6 (2019). http://dx.doi.org/10.1103/physrevmaterials.3.064404.

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Triki, Ali. "A Finite Element Solution of the Unidimensional Shallow-Water Equation." Journal of Applied Mechanics 80, no. 2 (2013). http://dx.doi.org/10.1115/1.4007424.

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Based on the finite element method, the numerical solution of the shallow-water equation for one-dimensional (1D) unsteady flows was established. To respect the stability criteria, the time step of the method was dependent on the space step and flow velocity. This method was used to avoid the restriction due to the wave celerity variation in the computational analysis when using the method of characteristics. Furthermore, boundary conditions are deduced directly from the scheme without using characteristics equations. For the numerical solution, a general-purpose computer program, based on the

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Zhou, Shijie, Amir AbdelWahab, John L. Sapp, et al. "Abstract 13184: A New Intraprocedural Automated System for Localizing Idiopathic Ventricular Arrhythmia Origin Sites." Circulation 142, Suppl_3 (2020). http://dx.doi.org/10.1161/circ.142.suppl_3.13184.

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Introduction: Few intraprocedural localization systems have been developed to predict idiopathic ventricular arrhythmia (IVA) source sites. However, an accurate and bi-ventricular patient-specific automated site of origin localization system remains elusive. To address this issue, we have developed a new automatic arrhythmia origin localization (AAOL) system that determines the sites of earliest activation in both ventricles and provides superior accuracy. Hypothesis: We hypothesized that the AAOL system can use electroanatomic mapping (EAM) geometry and accurately localize IVA source sites on

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