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Статті в журналах з теми "Polygonal plates"
Alda, Javier, and Francisco Javier González. "Polygonal Fresnel zone plates." Journal of Optics A: Pure and Applied Optics 11, no. 8 (June 26, 2009): 085707. http://dx.doi.org/10.1088/1464-4258/11/8/085707.
Повний текст джерелаNallim, L. G., B. M. Luccioni, and R. O. Grossi. "A Rayleigh-Ritz approach to transverse vibration of isotropic polygonal plates with variable thickness." Proceedings of the Institution of Mechanical Engineers, Part K: Journal of Multi-body Dynamics 216, no. 3 (September 1, 2002): 213–22. http://dx.doi.org/10.1177/146441930221600302.
Повний текст джерелаLiew, K. M., and C. M. Wang. "Elastic buckling of regular polygonal plates." Thin-Walled Structures 21, no. 2 (January 1995): 163–73. http://dx.doi.org/10.1016/0263-8231(94)00031-t.
Повний текст джерелаAlda, Javier, and Glenn Boreman. "Optimization of polygonal Fresnel zone plates." Microwave and Optical Technology Letters 50, no. 2 (February 2008): 536–41. http://dx.doi.org/10.1002/mop.23125.
Повний текст джерелаKrommer, Michael, and Hans Irschik. "Post-Buckling of Piezoelectric Thin Plates." International Journal of Structural Stability and Dynamics 15, no. 07 (August 31, 2015): 1540020. http://dx.doi.org/10.1142/s0219455415400209.
Повний текст джерелаChuikov, R. S., S. S. Chuikov, A. S. Stavyshenko, and V. D. Samohvalov. "Increasing the operational life of the cutting tool based on stress relieving." MATEC Web of Conferences 298 (2019): 00007. http://dx.doi.org/10.1051/matecconf/201929800007.
Повний текст джерелаWang, C. M., S. Kitipornchai, and J. N. Reddy. "Relationship Between Vibration Frequencies of Reddy and Kirchhoff Polygonal Plates With Simply Supported Edges." Journal of Vibration and Acoustics 122, no. 1 (October 1, 1997): 77–81. http://dx.doi.org/10.1115/1.568438.
Повний текст джерелаWah, Thein. "Flexure of Polygonal Plates with Circular Holes." Journal of Ship Research 29, no. 03 (September 1, 1985): 209–11. http://dx.doi.org/10.5957/jsr.1985.29.3.209.
Повний текст джерелаWang, C. M. "Buckling of polygonal and circular sandwich plates." AIAA Journal 33, no. 5 (May 1995): 962–64. http://dx.doi.org/10.2514/3.12664.
Повний текст джерелаWah, Thein. "Stresses in polygonal plates with circular holes." Engineering Fracture Mechanics 23, no. 3 (January 1986): 489–93. http://dx.doi.org/10.1016/0013-7944(86)90157-8.
Повний текст джерелаДисертації з теми "Polygonal plates"
Gunda, Rajendra. "Harmonic Green's functions of wedges and polygonal plates using the ray tracing technique /." The Ohio State University, 1998. http://rave.ohiolink.edu/etdc/view?acc_num=osu1487949150070192.
Повний текст джерелаCuenca, Jacques. "Wave models for the flexural vibrations of thin plates : model of the vibrations of polygonal plates by the image source method : vibration damping using the acoustic black hole effect." Le Mans, 2009. http://cyberdoc.univ-lemans.fr/theses/2009/2009LEMA1011.pdf.
Повний текст джерелаFlexural vibrations of thin structures are strongly related to sound radiation and structural damage, for which they deserve careful attention in many domains of science and engineering. Two aspects of crucial importance are the development of accurate tools for the prediction and analysis of vibrations and efficient vibration damping. In the first part of the thesis, a model of the flexural vibrations of thin convex polygonal plates based on the image source method is presented. The developed approach allows to predict the vibrations of individual plates and plate assemblies of arbitrary convex polygonal geometry and having arbitrary boundary conditions. The method is particularly suitable for mid- and high-frequency dynamics, in that its accuracy is improved with an increase in frequency or structural damping. A tool for estimating the Young's modulus and structural damping ratio of highly damped flat panels is also proposed. The second part of the thesis concerns vibration damping using the acoustic black hole effect. It is weel-known that a flexural wave travelling in a thin plate or beam slows down in a zone of decreasing thickness. Thus, if the thickness decreases sufficiently smoothly to zero, the wave stops travelling, without being reflected back. Such is the principle of the so-called acoustic black hole effect. A model of the flexural vibrations of such profile is proposed, allowing to determine optimal geometrical and material properties in order to maximise vibration damping. Simulated and measured responses show a reduction of vibration level up to 20 decibels
Jedlička, Lukáš. "Interaktivní umísťování virtuální dlahy na 3D modely kostí." Master's thesis, Vysoké učení technické v Brně. Fakulta informačních technologií, 2008. http://www.nusl.cz/ntk/nusl-235898.
Повний текст джерелаChattopadhyay, Arka Prabha. "Elastic buckling behavior of plate and tubular structures." Thesis, Kansas State University, 2011. http://hdl.handle.net/2097/8702.
Повний текст джерелаDepartment of Mechanical and Nuclear Engineering
Kevin B. Lease
Xiao J. Xin
The study of buckling behavior of tubular and cellular structures has been an intriguing area of research in the field of solid mechanics. Unlike the global Euler buckling of slender structures under compressive loads, tubular and cellular structures deform with their walls buckling as individual supported plates. The aspect ratio and the dimensional characteristics of the tube define the buckling behavior of any tube structure. In this thesis, a thorough study on the buckling of polygon tubular structures with different cross sections is discussed. In the first study, the theoretical buckling formulation of a square tube using the energy method is reviewed from existing solutions in literature. The elastic critical load of a square tube derived from the theoretical solution is then compared with results of finite element elastic buckling simulations. The formation of lobes along the height of the walls at different aspect ratios of the tube is investigated and compared to theory. Also, the buckling behavior of multi-wall structures is studied and the relationship between these structures and a rectangular simply supported plate is established. A brief study on the buckling behavior of rhombic tubes is also performed. The results of the simulation match closely with the theoretical predictions. The study is then extended to quadrilateral tubes with cross-sections in the shape of square, rectangle, rhombus and parallelogram. The theory of buckling of these tubes is explicitly defined using classical plate mechanics based on the previous works presented in literature. Also, the possibility of global Euler buckling in the tubular structures after a certain critical height is discussed. The prediction from the theory is validated using extensive finite element elastic buckling simulations and experimental tests on square and rhombic tube specimens. The results of the simulations and experiments are observed to be consistent with the theory. Using the formulation of plate buckling under different boundary conditions, the buckling behavior of triangular tubes is also determined. A theoretical formulation for calculating the critical load of triangular tubes is derived. The theoretical critical loads for a range of aspect ratios are compared with corresponding finite element simulation results. The comparisons reveal high degree of similarity of the theoretical predictions with the simulations.
Pineau, Chantal. "Facteurs limitant la croissance des plantes graminoïdes et des mousses dans les polygones de tourbe utilisés par la grande oie des neiges." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1999. http://www.collectionscanada.ca/obj/s4/f2/dsk2/ftp01/MQ44938.pdf.
Повний текст джерелаEl, Bouzid Hassan. "Méthodes d'éléments finis raffinés pour quelques problèmes aux limites dans des domaines non-réguliers." Valenciennes, 1996. https://ged.uphf.fr/nuxeo/site/esupversions/78c75dce-f930-4497-9077-c57356a9fac0.
Повний текст джерелаMarchand-Roy, Mylène. "L'effet fertilisant de la grande oie des neiges : cinq ans de suivi de l'azote et du phosphore dans les polygones de tourbe de l'île bylot au nunavut." Master's thesis, Université Laval, 2009. http://hdl.handle.net/20.500.11794/20683.
Повний текст джерелаAbgrall, Corentin. "Réponse de la flore, de la faune du sol et de leur substrat à l'introduction d'espèces exotiques envahissantes végétales." Thesis, Normandie, 2019. http://www.theses.fr/2019NORMR056/document.
Повний текст джерелаInvasive alien plants are species introduced and naturalized outside of their native distribution range and which have the capacity to maintain and expand their population. Some of these species are considered to be ecosystem transformers by altering their structure, functioning as well as resident animal and plant communities. These induced alterations make some of these species undesirable through their ecological and economical impacts. The work presented in this thesis aimed at a better understanding of the impact of biological invasions by alien plants. The soil fauna, native vegetation and their substrate, as well as ecosystem functioning, were studied at different spatial scales. Two exotic alien species, invasive in Europe, were considered as biological models for this work: the black locust (Robinia pseudoacacia) and the Japanese knotweed (Reynoutria japonica). Firstly, a global meta-analysis demonstrated the positive impact that plant invasions can exert on the abundance of some groups within the soil fauna, notably primary consumers, within different types of habitats (open or closed). Then, a large-scale study on the black locust revealed the differences that can can occur in the response of forest ecosystems to invasions along a latitudinal gradient. Study sites along this gradient, distributed amog four distinct regions in western Europe, exhibit differences in climate and dominant native vegetation which can alter the impact of the black locust. A detailed study on black locust impact in Normandy demonstrated the impact of R. pseudoacacia on native plant and soil fauna communities, as well as some ecosystem functions, in comparison to two native tree species. Finally, a laboraty experiment demonstrated the impact that allelopathic compounds extracted from Japanese knotweed rhizomes can have on some organisms within the soil fauna. This study showed that some invasive alient plants can influence the soil fauna, and soil food webs, through their secondary metabolism. This thesis illustrates that simultaneous study of both aboveground and belowground ecosystem compartments at different spatial scales is of interest in the context of biological invasions
Aganj, Ehsan. "Multi-view Reconstruction and Texturing=Reconstruction multi-vues et texturation." Phd thesis, Ecole des Ponts ParisTech, 2009. http://pastel.archives-ouvertes.fr/pastel-00517742.
Повний текст джерелаMarchand-Roy, Mylène. "L'effet fertilisant de la grande oie des neiges : cinq ans de suivi de l'azote et du phosphore dans les polygones de tourbe de l'île bylot au nunavut /." 2009. http://www.theses.ulaval.ca/2009/26062/26062.pdf.
Повний текст джерелаКниги з теми "Polygonal plates"
Park, Chong-Wook. Taxonomy of Polygonum section Echinocaulon (Polygonaceae). Bronx, N.Y., U.S.A: New York Botanical Garden, 1988.
Знайти повний текст джерелаMcIver, James D. Natural enemies of invasive knotweeds in the Pacific Northwest. Morgantown, W. Va: FHTET, USDA Forest Service, 2010.
Знайти повний текст джерелаElectromagnetic scattering from a polygonal thin metallic plate using quadrilateral meshing. [Hampton, Va: Langley Research Center, 2003.
Знайти повний текст джерела(Editor), Fran Lloyd, and Catherine O'Brien (Editor), eds. Secret Spaces, Forbidden Places: Rethinking Culture (Polygons). Berghahn Books, 2001.
Знайти повний текст джерелаNational Aeronautics and Space Administration (NASA) Staff. Electromagnetic Scattering from a Polygonal Thin Metallic Plate Using Quadrilateral Meshing. Independently Published, 2018.
Знайти повний текст джерела(Editor), Fran Lloyd, and Catherine O'Brien (Editor), eds. Secret Spaces, Forbidden Places: Rethinking Culture (Polygons: Cultural Diversities and Intersections, 4). Berghahn Books, 2001.
Знайти повний текст джерелаU.S. Fish and Wildlife Service. Region 1, ed. Recovery plan for two insects (Polyphylla barbata and Trimerotropis infantilis) and four plants (Chorizanthe pungens var. hartwegiana, Chorizanthe robusta var. hartwegii, Erysimum teretifolium, and Polygonum hickmanii) from the Santa Cruz mountains: Technical and agency draft. Portland, Or: U.S. Fish and Wildlife Service, Region 1, 1997.
Знайти повний текст джерелаJacoby, Henry Sylvester. Text-Book on Roofs and Bridges: Stresses in Simple Trusses. 3. Ed. Creative Media Partners, LLC, 2018.
Знайти повний текст джерелаText-Book on Roofs and Bridges: Stresses in Simple Trusses. 3. Ed. Creative Media Partners, LLC, 2022.
Знайти повний текст джерелаText-Book on Roofs and Bridges: Stresses in Simple Trusses. 3. Ed. Creative Media Partners, LLC, 2022.
Знайти повний текст джерелаЧастини книг з теми "Polygonal plates"
Heuer, R., H. Irschik, and F. Ziegler. "Large Amplitude Random Vibration of Polygonal Plates." In Nonlinear Stochastic Mechanics, 285–96. Berlin, Heidelberg: Springer Berlin Heidelberg, 1992. http://dx.doi.org/10.1007/978-3-642-84789-9_25.
Повний текст джерелаBanerjee, M. M., J. Mazumdar, and Jayatu K. Bhuyan. "Nonlinear Vibrations of Polygonal-Shaped Plates: Use of Conformal Mapping Function." In Lecture Notes in Mechanical Engineering, 423–31. Singapore: Springer Singapore, 2020. http://dx.doi.org/10.1007/978-981-15-8049-9_26.
Повний текст джерелаRafetseder, Katharina, and Walter Zulehner. "On a New Mixed Formulation of Kirchhoff Plates on Curvilinear Polygonal Domains." In Lecture Notes in Computational Science and Engineering, 869–77. Cham: Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-319-96415-7_82.
Повний текст джерелаIrschik, H., R. Heuer, and F. Ziegler. "Free and Forced Vibrations of Polygonal Mindlin-Plates by an Advanced BEM." In Advanced Boundary Element Methods, 179–88. Berlin, Heidelberg: Springer Berlin Heidelberg, 1988. http://dx.doi.org/10.1007/978-3-642-83003-7_19.
Повний текст джерелаBhattacharyya, Bharati, and B. M. Johri. "Order Polygonales." In Flowering Plants, 92–94. Berlin, Heidelberg: Springer Berlin Heidelberg, 1998. http://dx.doi.org/10.1007/978-3-662-11754-5_17.
Повний текст джерелаKiss, György, and Tamás Szőnyi. "Generalized polygons, Möbius planes." In Finite Geometries, 229–54. Boca Raton : CRC Press, Taylor & Francis Group, 2020.: Chapman and Hall/CRC, 2019. http://dx.doi.org/10.1201/9781315120072-10.
Повний текст джерелаKhare, C. P. "Polygonum aviculare Linn." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_1256.
Повний текст джерелаKhare, C. P. "Polygonum bistorta Linn." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_1257.
Повний текст джерелаKhare, C. P. "Polygonum glabrum Willd." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_1258.
Повний текст джерелаKhare, C. P. "Polygonum hydropiper Linn." In Indian Medicinal Plants, 1. New York, NY: Springer New York, 2007. http://dx.doi.org/10.1007/978-0-387-70638-2_1259.
Повний текст джерелаТези доповідей конференцій з теми "Polygonal plates"
Higuchi, Hiroshi, Robert Anderson, and Jinzhong Zhang. "Initial three-dimensional wake structures behind various polygonal plates." In Fluid Dynamics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 1994. http://dx.doi.org/10.2514/6.1994-2283.
Повний текст джерелаYork, C. "Elastic buckling interaction in regular arrays of thin polygonal plates." In 19th AIAA Applied Aerodynamics Conference. Reston, Virigina: American Institute of Aeronautics and Astronautics, 2001. http://dx.doi.org/10.2514/6.2001-1331.
Повний текст джерелаNemirovsky, Yu V. "Permissible dynamic deformations of hybrid polymetallic plates with fixed polygonal circuits." In NUMERICAL METHODS FOR SOLVING PROBLEMS IN THE THEORY OF ELASTICITY AND PLASTICITY (EPPS 2021). AIP Publishing, 2021. http://dx.doi.org/10.1063/5.0073256.
Повний текст джерелаCampos, Nivaldo Benedito Ferreira, and José Maria Dos Santos. "A SPECTRAL ELEMENT FORMULATION FOR THE DYNAMIC ANALYSIS OF POLYGONAL THIN PLATES." In XXXVI Iberian Latin American Congress on Computational Methods in Engineering. Rio de Janeiro, Brazil: ABMEC Brazilian Association of Computational Methods in Engineering, 2015. http://dx.doi.org/10.20906/cps/cilamce2015-0833.
Повний текст джерелаAchdjian, Hossep, Emmanuel Moulin, Farouk Benmeddour, Jamal Assaad, and Jacques Cuenca. "Prediction of average propagation characteristics in polygonal reverberant plates for experimental feature extraction." In 2012 IEEE International Ultrasonics Symposium. IEEE, 2012. http://dx.doi.org/10.1109/ultsym.2012.0671.
Повний текст джерелаSantos Duarte, Diego, and Ivan Menezes. "An Educational MATLAB Code for Topology Optimization of Thick-Thin Plates using Arbitrary Polygonal Meshes." In 27th Brazilian Congress of Thermal Sciences and Engineering. ABCM, 2023. http://dx.doi.org/10.26678/abcm.cobem2023.cob2023-1154.
Повний текст джерелаPishnery, Joseph E., and Craig P. Lusk. "A Statically Balanced Shape Shifting Surface." In ASME 2012 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/detc2012-70689.
Повний текст джерелаKim, Kyu Tae, Sang Gi Ko, and Jong Man Han. "Effects of Microstructural Inhomogeneity on HIC Susceptibility and HIC Evaluation Methods for Linepipe Steels for Sour Service." In 2014 10th International Pipeline Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/ipc2014-33341.
Повний текст джерелаLusk, Craig, and Paul Montalbano. "Design Concepts for Shape-Shifting Surfaces." In ASME 2011 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. ASMEDC, 2011. http://dx.doi.org/10.1115/detc2011-47402.
Повний текст джерелаAhn, Seong Soo, Woo Yeon Cho, Tae-Yang Yoon, and Jang-Yong Yoo. "Mechanical Properties and Bending Behaviors of Low Temperature Toughness Linepipe Steels." In ASME 2007 26th International Conference on Offshore Mechanics and Arctic Engineering. ASMEDC, 2007. http://dx.doi.org/10.1115/omae2007-29501.
Повний текст джерелаЗвіти організацій з теми "Polygonal plates"
Thoma, David. Landscape phenology, vegetation condition, and relations with climate at Canyonlands National Park, 2000–2019. Edited by Alice Wondrak Biel. National Park Service, June 2023. http://dx.doi.org/10.36967/2299619.
Повний текст джерелаThoma, David. Landscape phenology, vegetation condition, and relations with climate at Capitol Reef National Park, 2000–2019. Edited by Alice Wondrak Biel. National Park Service, March 2023. http://dx.doi.org/10.36967/2297289.
Повний текст джерелаWolfe, S. A., H. B. O'Neill, C. Duchesne, D. Froese, J M Young, and S. V. Kokelj. Ground ice degradation and thermokarst terrain formation in Canada over the past 16 000 years. Natural Resources Canada/CMSS/Information Management, 2022. http://dx.doi.org/10.4095/329668.
Повний текст джерелаKull, Kathleen, Craig Young, Jennifer Haack-Gaynor, Lloyd Morrison, and Michael DeBacker. Problematic plant monitoring protocol for the Heartland Inventory and Monitoring Network: Narrative, version 2.0. National Park Service, May 2022. http://dx.doi.org/10.36967/nrr-2293355.
Повний текст джерелаMuldavin, Esteban, Yvonne Chauvin, Teri Neville, Hannah Varani, Jacqueline Smith, Paul Neville, and Tani Hubbard. A vegetation classi?cation and map: Guadalupe Mountains National Park. National Park Service, 2024. http://dx.doi.org/10.36967/2302855.
Повний текст джерела