Results 51 to 60 of about 7,601,055 (365)
Surface Qualification Toolpath Optimization for Hybrid Manufacturing
Journal of Manufacturing and Materials Processing, 2021 Hybrid manufacturing machine tools have great potential to revolutionize manufacturing by combining both additive manufacturing (AM) and subtractive manufacturing (SM) processes on the same machine tool.
Austen Thien +2 more
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On the topology of compact Stein surfaces [PDF]
International Mathematics Research Notices, 2001 In this paper we obtain the following results: (1) Any compact Stein surface with boundary embeds naturally into a symplectic Lefschetz fibration over the 2-sphere. (2) There exists a minimal elliptic fibration over the 2-disk, which is not Stein. (3) The circle bundle over a genus n>1 surface with euler number e=-1 admits at least n+1 mutually non ...
Selman Akbulut, Burak Ozbagci
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Topology Analysis of Bicycle Rim Brake Pad to Improve Braking Performance
MATEC Web of Conferences, 2018 Various parameters of rubber brake pad tribology will affect the braking performance of a rim brake system of a bicycle. Out of those, three main parameters are contact length of brake pad, surface topology of friction surface, and the thickness of rim ...
Keong Le-Onn, Teoh Choe-Yung
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The metric space of geodesic laminations on a surface II: small surfaces [PDF]
, 2005 We continue our investigation of the space of geodesic laminations on a surface, endowed with the Hausdorff topology. We determine the topology of this space for the once-punctured torus and the 4-times-punctured sphere.
Bonahon, Francis, Zhu, Xiaodong
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Pressure tuning the Fermi surface topology of the Weyl semimetal NbP [PDF]
, 2016 We report on the pressure evolution of the Fermi surface topology of the Weyl semimetal NbP, probed by Shubnikov-de Haas oscillations in the magnetoresistance combined with ab-initio calculations of the band-structure.
R. D. Reis +8 more
semanticscholar +1 more source
The symplectic topology of Ramanujam's surface
Commentarii Mathematici Helvetici, 2005 Ramanujam's surface M is a contractible affine algebraic surface which is not homeomorphic to the affine plane. For any m>1 the product M^m is diffeomorphic to Euclidean space
Paul Seidel, Ivan Smith
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Topological Derivative for PDEs on Surfaces [PDF]
SIAM Journal on Control and Optimization, 2022 In this paper we study the problem of the optimal distribution of two materials on smooth submanifolds $M$ of dimension $d-1$ in $\mathbf R^d$ without boundary by means of the topological derivative. We consider a class of shape optimisation problems which are constrained by a linear partial differential equation on the surface. We examine the singular
Peter Gangl, Kevin Sturm
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Advanced Science, 2022 Using 3D sonic crystals as acoustic higher‐order topological insulators (HOTIs), 2D surface states described by spin‐1 Dirac equations at the interfaces between the two sonic crystals with distinct topology but the same crystalline symmetry are ...
Fei Meng +8 more
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Detailed topology mapping reveals substantial exposure of the "cytoplasmic" C-terminal tail (CTT) sequences in HIV-1 Env proteins at the cell surface. [PDF]
PLoS ONE, 2013 Substantial controversy surrounds the membrane topology of the HIV-1 gp41 C-terminal tail (CTT). While few studies have been designed to directly address the topology of the CTT, results from envelope (Env) protein trafficking studies suggest that the ...
Jonathan D Steckbeck +3 more
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Nihon Kikai Gakkai ronbunshu, 2023 In this paper, a concurrent optimization method of shape and topology for natural vibration design of shell structures is presented. The fundamental vibration eigenvalue is maximized under volume constraints for shape and topology optimization.
Masatoshi SHIMODA, Ryo TSUTSUMI
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