Relevant bibliographies by topics / Rough boundary

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  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Rough boundary'

Author: Grafiati
Published: 6 September 2023
Last updated: 31 July 2025

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Journal articles on the topic "Rough boundary"

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R. Nithya, Et al. "Rough Set Techniques in Wireless Sensor Networks using Membership Function and Rough Labelling Graphs for Energy Aware Routing." International Journal on Recent and Innovation Trends in Computing and Communication 11, no. 9 (2023): 2545–56. http://dx.doi.org/10.17762/ijritcc.v11i9.9323.

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Rough set theory and rough graphs are employed for data analysis. Rough graphs utilize approximations, and this paper presents a method for implementing rough graphs using rough membership functions and graph labeling for data structures and reduction. This paper proposes a rough graph labeling method, termed rough -labeling similarity graph, that utilizes a similarity measure for vertex and edge labeling. This method aims to minimize boundary regions in rough graphs and is applicable to wireless sensor networks (WSNs). In WSN, the proposed algorithms such as PSO-LSTM, COA-LSTM, LOA-LSTM integ
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Yu, Wei Wei, Xiao Qin Guan, Yi Hui Li, and Hang Lin. "Boundary Effect to the Safety Factor of Slope in Geo-Material." Advanced Materials Research 382 (November 2011): 84–87. http://dx.doi.org/10.4028/www.scientific.net/amr.382.84.

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Boundary conditions have great impact on the stability of three dimensional geo-material, like slope, which is one of the oldest applications in geotechnical engineering. In order to analyze the impact of boundary condition to factor of safety of slope, the 3D stability analysis was then extended to the “rough-smooth” and “smooth-smooth” boundary. By studying slopes with the same geometric condition and shear strength parameters, the results show that the safety factors obtained from “rough-smooth” boundary are smaller than those got from “rough-smooth” boundary and bigger than those got from
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Denk, Robert, David Ploß, Sophia Rau, and Jörg Seiler. "Boundary value problems with rough boundary data." Journal of Differential Equations 366 (September 2023): 85–131. http://dx.doi.org/10.1016/j.jde.2023.04.001.

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Raupach, M. R., R. A. Antonia, and S. Rajagopalan. "Rough-Wall Turbulent Boundary Layers." Applied Mechanics Reviews 44, no. 1 (1991): 1–25. http://dx.doi.org/10.1115/1.3119492.

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This review considers theoretical and experimental knowledge of rough-wall turbulent boundary layers, drawing from both laboratory and atmospheric data. The former apply mainly to the region above the roughness sublayer (in which the roughness has a direct dynamical influence) whereas the latter resolve the structure of the roughness sublayer in some detail. Topics considered include the drag properties of rough surfaces as functions of the roughness geometry, the mean and turbulent velocity fields above the roughness sublayer, the properties of the flow close to and within the roughness canop
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Engel, Konrad, and Tran Dan Thu. "Boundary optimization for rough sets." Discrete Mathematics 341, no. 9 (2018): 2465–77. http://dx.doi.org/10.1016/j.disc.2018.05.023.

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Katayama, Kiyofumi, Kazuo Tanaka, and Masahiro Tanaka. "Numerical analysis of frequency characteristics of transmitted waves by random waveguide." AIP Advances 12, no. 10 (2022): 105305. http://dx.doi.org/10.1063/5.0099016.

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The frequency characteristics of the transmitted waves by the two-dimensional single-mode waveguide with a slightly rough boundary are investigated in detail. Two realizations of the waveguide with random rough boundaries are considered. Since the boundary element method based on the guided-mode extracted integral equation is employed, the boundary condition on the random rough boundary is accurately satisfied. It is found that the strong resonances with high Q-factor are created close to the cutoff frequency of the second-mode in the waveguide and they cause the small transmission (high refle
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Ligrani, Phillip M., and Robert J. Moffat. "Structure of transitionally rough and fully rough turbulent boundary layers." Journal of Fluid Mechanics 162, no. -1 (1986): 69. http://dx.doi.org/10.1017/s0022112086001933.

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Zhao, Zhiyi, Dalei Zhu, Yaodong Yang, et al. "Effect of Multi-rough Element Combination on Hypersonic Boundary Layer." Advances in Engineering Technology Research 9, no. 1 (2024): 465. http://dx.doi.org/10.56028/aetr.9.1.465.2024.

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In this paper, the influence of multi-rough element combination controlled by cubic polynomial on the flow field of hypersonic blunt wedge is studied by direct numerical simulation. The influence mechanism of six continuous rough element combinations on the flow parameters in the boundary layer is analyzed in depth, and compared with the influence of double rough elements. It is concluded that the first rough element of the continuous rough element combination has a great influence on the flow field pressure, and the influence of the latter rough element decreases in turn. The combination of s
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MCDANIEL, SUZANNE T. "RENORMALIZING ROUGH-SURFACE SCATTER." Journal of Computational Acoustics 10, no. 01 (2002): 53–68. http://dx.doi.org/10.1142/s0218396x02001541.

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Exact and approximate solutions to the rough-surface scattering problem are compared to examine the predictive capability of renormalized surface scattering theory. Numerical results are presented for scattering from one-dimensional rough periodic surfaces on which the Dirichlet (acoustic pressure-release) and Neumann (acoustically rigid) boundary conditions are imposed. For scattering from Dirichlet surfaces, the predictions of renormalized scattering theory are found to provide better agreement with exact solutions than perturbation theory. For this boundary condition, many convergent approx
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Yang, Zhibin, Xiaoming Zhai, David P. Marshall, and Guihua Wang. "An Idealized Model Study of Eddy Energetics in the Western Boundary “Graveyard”." Journal of Physical Oceanography 51, no. 4 (2021): 1265–82. http://dx.doi.org/10.1175/jpo-d-19-0301.1.

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AbstractRecent studies show that the western boundary acts as a “graveyard” for westward-propagating ocean eddies. However, how the eddy energy incident on the western boundary is dissipated remains unclear. Here we investigate the energetics of eddy–western boundary interaction using an idealized MIT ocean circulation model with a spatially variable grid resolution. Four types of model experiments are conducted: 1) single eddy cases, 2) a sea of random eddies, 3) with a smooth topography, and 4) with a rough topography. We find significant dissipation of incident eddy energy at the western bo
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Dissertations / Theses on the topic "Rough boundary"

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Alexander, William Nathan. "Sound from Rough Wall Boundary Layers." Diss., Virginia Tech, 2011. http://hdl.handle.net/10919/29246.

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Turbulent flow over a rough surface produces sound that radiates outside the near wall region. This noise source is often at a lower level than the noise created by edges and bluff body flows, but for applications with large surface area to perimeter ratios at low Mach number, this noise source can have considerable levels. In the first part of this dissertation, a detailed study is made of the ability of the Glegg & Devenport (2009) scattering theory to predict roughness noise. To this end, comparisons are made with measurements from cuboidal and hemispherical roughness with roughness Reynold
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Kutlar, Ahmet Ihsan. "Turbulant boundary layers on rough painted surfaces." Thesis, University of Liverpool, 1993. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.359178.

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Dyer, Luke Oliver. "Parabolic boundary value problems with rough coefficients." Thesis, University of Edinburgh, 2018. http://hdl.handle.net/1842/33276.

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This thesis is motivated by some of the recent results of the solvability of elliptic PDE in Lipschitz domains and the relationships between the solvability of different boundary value problems. The parabolic setting has received less attention, in part due to the time irreversibility of the equation and difficulties in defining the appropriate analogous time-varying domain. Here we study the solvability of boundary value problems for second order linear parabolic PDE in time-varying domains, prove two main results and clarify the literature on time-varying domains. The first result shows a re
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Tarada, F. H. A. "Heat transfer to rough turbine blading." Thesis, University of Sussex, 1987. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.379448.

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Rapetto, Marco. "Rough surfaces in contact : artificial intelligence and boundary lubrication." Licentiate thesis, Luleå tekniska universitet, Maskinelement, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:ltu:diva-25874.

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Interacting surfaces are found in mechanical systems and components. Since engineered surfaces are not perfectly smooth, only a fraction of the nominal surface area is actually in contact. This fraction is denoted as the real area of contact, Ar, and is formed by the sum of the contact spots between the two touching surfaces. If these contacting surfaces are sliding, then friction and wear occur in these actual contacts. Friction and wear may be controlled by lubrication: depending on the operating conditions different types of lubrication regime exist. When the surfaces are completely separat
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Rapetto, Marco Pietro. "Rough surfaces in contact : artificial intelligence and boundary lubrication /." Luleå : Luleå University of Technology, 2008. http://epubl.ltu.se/1402-1757/2008/16/.

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Ross, Christopher Roger. "Direct and inverse scattering by rough surfaces." Thesis, Brunel University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.318675.

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Chang, Chung-Yie. "Boundary value problems for differential equations driven by rough signals." Thesis, Imperial College London, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.299835.

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Smith, Benjamin Scott. "Wall Jet Boundary Layer Flows Over Smooth and Rough Surfaces." Diss., Virginia Tech, 2008. http://hdl.handle.net/10919/27597.

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The aerodynamic flow and fluctuating surface pressure of a plane, turbulent, two-dimensional wall jet flow into still air over smooth and rough surfaces has been investigated in a recently constructed wall jet wind tunnel testing facility. The facility has been shown to produce a wall jet flow with Reynolds numbers based on the momentum thickness, Re<SUB>&delta</SUB> = &deltaU<SUB>m</SUB>/&nu, of between 395 and 1100 and nozzle exit Reynolds numbers, Re<SUB>j</SUB> = U<SUB>m</SUB>b/&nu, of between 16000 and 45000. The wall jet flow properties (&delta, &delta<SUP>*</SUP>, &theta, y<SUB>1</SUB
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Arens, Tilo. "The scattering of elastic waves by rough surfaces." Thesis, Brunel University, 2000. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.311560.

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Books on the topic "Rough boundary"

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Aldridge, J. N. Comparison of turbulence models for oscillatory rough turbulent boundary layer flows with suspended sediments. University of Salford Centre for Computational Fluid Dynamics and Turbulence, 1993.

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Tantirige, Sunil Chithranjan *. A flow visualization investigation of the turbulent boundary layer over regularly rough surfaces. 1989.

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Book chapters on the topic "Rough boundary"

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Liu, Guilong, and Jie Liu. "Boundary Region Reduction for Relation Systems." In Rough Sets. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99368-3_32.

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Chen, Jie, Yue Chen, Yang Xu, Shu Zhao, and Yanping Zhang. "Attention Enhanced Hierarchical Feature Representation for Three-Way Decision Boundary Processing." In Rough Sets. Springer International Publishing, 2021. http://dx.doi.org/10.1007/978-3-030-87334-9_18.

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Battyányi, Péter, and György Vaszil. "Membrane Systems and Multiset Approximation: The Cases of Inner and Boundary Rule Application." In Rough Sets. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-22815-6_19.

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Zhang, Yanping, Gang Wang, Jie Chen, et al. "Research on Cost-Sensitive Method for Boundary Region in Three-Way Decision Model." In Rough Sets. Springer International Publishing, 2016. http://dx.doi.org/10.1007/978-3-319-47160-0_24.

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Chen, Jie, Yang Xu, Shu Zhao, et al. "A Method for Boundary Processing in Three-Way Decisions Based on Hierarchical Feature Representation." In Rough Sets. Springer International Publishing, 2018. http://dx.doi.org/10.1007/978-3-319-99368-3_10.

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Tani, I. "Turbulent Boundary Layer Development over Rough Surfaces." In Perspectives in Turbulence Studies. Springer Berlin Heidelberg, 1987. http://dx.doi.org/10.1007/978-3-642-82994-9_9.

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Gao, Xinbo, Jie Li, and Yang Shi. "A Video Shot Boundary Detection Algorithm Based on Feature Tracking." In Rough Sets and Knowledge Technology. Springer Berlin Heidelberg, 2006. http://dx.doi.org/10.1007/11795131_95.

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Li, Ping, Lin Shang, and Huaxiong Li. "A Method to Reduce Boundary Regions in Three-Way Decision Theory." In Rough Sets and Knowledge Technology. Springer International Publishing, 2014. http://dx.doi.org/10.1007/978-3-319-11740-9_76.

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Neuss, Nicolas. "Numerical Approximation of Boundary Layers for Rough Boundaries." In Progress in Industrial Mathematics at ECMI 2006. Springer Berlin Heidelberg, 2008. http://dx.doi.org/10.1007/978-3-540-71992-2_45.

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Aupoix, B. "Modelling of Boundary Layer Flows Over Rough Surfaces." In Fluid Mechanics and Its Applications. Springer Netherlands, 1995. http://dx.doi.org/10.1007/978-94-011-0457-9_4.

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Conference papers on the topic "Rough boundary"

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Ma, Zhou-Ming, and Ju-Sheng Mi. "Boundary region based rough sets." In 2015 International Conference on Machine Learning and Cybernetics (ICMLC). IEEE, 2015. http://dx.doi.org/10.1109/icmlc.2015.7340920.

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Grissom, Dustin, Ben Smith, William Devenport, and Stewart Glegg. "Rough Wall Boundary Layer Noise." In 12th AIAA/CEAS Aeroacoustics Conference (27th AIAA Aeroacoustics Conference). American Institute of Aeronautics and Astronautics, 2006. http://dx.doi.org/10.2514/6.2006-2409.

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Glegg, Stewart, William Devenport, Dustin Grissom, and Benjamin Smith. "Rough Wall Boundary Layer Noise: Theoretical Predictions." In 13th AIAA/CEAS Aeroacoustics Conference (28th AIAA Aeroacoustics Conference). American Institute of Aeronautics and Astronautics, 2007. http://dx.doi.org/10.2514/6.2007-3417.

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Heydari, Ali, Ramin Miryan, and Saeid Sharifi. "Boundary Layers on a Rotating Rough Disk." In ASME 1994 International Computers in Engineering Conference and Exhibition and the ASME 1994 8th Annual Database Symposium collocated with the ASME 1994 Design Technical Conferences. American Society of Mechanical Engineers, 1994. http://dx.doi.org/10.1115/cie1994-0470.

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Abstract In this paper the turbulent fluid flow over a rotating disk with roughness is considered. The disk is assumed to be at uniform wall temperature. The surface roughness is assumed to influence the turbulent boundary layer by adding a roughness parameter height k. Boundary-layer approximation reduces the elliptic Navier-Stockes equations to parabolic equations, where the Keller-Cebeci method of finite-difference solution is used to solve the resulting system of partial-differential equations. The resulting curve-fit equations to the numerically calculated results for three regions of lam
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Phophalia, Ashish, Suman K. Mitra, and Ajit Rajwade. "Object boundary detection using Rough Set Theory." In 2013 Fourth National Conference on Computer Vision, Pattern Recognition, Image Processing and Graphics (NCVPRIPG). IEEE, 2013. http://dx.doi.org/10.1109/ncvpripg.2013.6776259.

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George, J., and R. Simpson. "Some three-dimensional rough-wall turbulent boundary layers." In 40th AIAA Aerospace Sciences Meeting & Exhibit. American Institute of Aeronautics and Astronautics, 2002. http://dx.doi.org/10.2514/6.2002-580.

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Meletti, Gabriel Maltese de Oliveira, and Erick de Moraes Franklin. "Boundary Layer Transition From Smooth To Rough Walls." In Brazilian Congress of Thermal Sciences and Engineering. ABCM, 2018. http://dx.doi.org/10.26678/abcm.encit2018.cit18-0004.

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Grissom, Dustin, Benjamin Smith, William Devenport, and Stewart Glegg. "Rough-Wall Boundary Layer Noise: An Experimental Investigation." In 13th AIAA/CEAS Aeroacoustics Conference (28th AIAA Aeroacoustics Conference). American Institute of Aeronautics and Astronautics, 2007. http://dx.doi.org/10.2514/6.2007-3418.

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Yang, Yingjie, and Robert John. "Global roughness of approximation and boundary rough sets." In 2008 IEEE 16th International Conference on Fuzzy Systems (FUZZ-IEEE). IEEE, 2008. http://dx.doi.org/10.1109/fuzzy.2008.4630508.

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Hsu, John R. C. "Rough Turbulent Boundary Layer in Short-Crested Waves." In 20th International Conference on Coastal Engineering. American Society of Civil Engineers, 1987. http://dx.doi.org/10.1061/9780872626003.021.

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Reports on the topic "Rough boundary"

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Kim, John. Rough-Wall Turbulent Boundary Layers. Defense Technical Information Center, 2004. http://dx.doi.org/10.21236/ada426193.

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Demetriades, A. Supersonic Boundary Layer Stability over a Rough Wall. Defense Technical Information Center, 1985. http://dx.doi.org/10.21236/ada179580.

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Puleo, Jack, and Oleg Mouraenko. Wave Bottom Boundary Layer Models for Smooth and Rough Beds. Defense Technical Information Center, 2003. http://dx.doi.org/10.21236/ada417532.

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