Relevant bibliographies by topics / Simulation shapes of crystals

Contents

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

Academic literature on the topic 'Simulation shapes of crystals'

Author: Grafiati
Published: 28 May 2022
Last updated: 31 July 2025

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Journal articles on the topic "Simulation shapes of crystals"

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Zhang, Jianli, Junyan Yang, Yuanxing Zhang, and Michael A. Bevan. "Controlling colloidal crystals via morphing energy landscapes and reinforcement learning." Science Advances 6, no. 48 (2020): eabd6716. http://dx.doi.org/10.1126/sciadv.abd6716.

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We report a feedback control method to remove grain boundaries and produce circular shaped colloidal crystals using morphing energy landscapes and reinforcement learning–based policies. We demonstrate this approach in optical microscopy and computer simulation experiments for colloidal particles in ac electric fields. First, we discover how tunable energy landscape shapes and orientations enhance grain boundary motion and crystal morphology relaxation. Next, reinforcement learning is used to develop an optimized control policy to actuate morphing energy landscapes to produce defect-free crysta
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Wang, Zhengzhi, Wei Zhong, Chunfu Liu, Huanyu Zhao, and Senyun Liu. "Numerical Simulation of Ice Crystal Supercooled Droplet Mixed Phase Icing Based on the Improved Messinger Model." International Journal of Aerospace Engineering 2023 (April 13, 2023): 1–12. http://dx.doi.org/10.1155/2023/6696084.

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The ice crystal supercooled droplet mixed phase icing problem is an important research direction in aircraft icing and has received more attention in recent years. The thermodynamic process of the water film after the ice crystals impact on the surface determines the final ice shape, which is an important part of the accurate prediction of aircraft icing. In this paper, a thermodynamic model of ice crystal supercooled droplet mixed phase icing is proposed based on the extended Messinger model, according to the results of flow field and particle trajectory calculations. In this model, the mass
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Mu, Q., E. G. Kablukova, B. A. Kargin, and S. M. Prigarin. "Monte Carlo simulation of halos in the crystal clouds." Journal of Physics: Conference Series 2099, no. 1 (2021): 012067. http://dx.doi.org/10.1088/1742-6596/2099/1/012067.

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Abstract In this paper, we try to answer the question: how the multiple scattering, the sun elevation, shape and orientation of ice crystals in the cirrus clouds affect a halo pattern. To study the radiation transfer in optically anisotropic clouds, we have developed the software based on Monte Carlo method and ray tracing. In addition to halos, this software enables one to simulate “anti-halos”, which above the cloud layer can be seen by observers. We present the visualization of halos and anti-halos generated by the cirrus clouds for different shapes and orientations of ice crystals.
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Du, Shichao, Chuanping Yu, Ping Zhang, et al. "Hierarchical Structure of Glucosamine Hydrochloride Crystals in Antisolvent Crystallization." Crystals 13, no. 9 (2023): 1307. http://dx.doi.org/10.3390/cryst13091307.

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The crystal morphology of glucosamine hydrochloride (GAH) during antisolvent crystallization was investigated in this work. Particles of different shapes, such as plate-like crystals, leaflike clusters, fan-like dendrites, flower-like aggregates, and spherulites, were produced by tuning the type of antisolvents and crystallization operating conditions. The hierarchical structures of GAH crystals tended to be formed in a water + isopropanol mixture. The effects of operation parameters on the polycrystalline morphology were studied, including crystallization temperature, solute concentration, fe
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Molthan, Andrew L., and Walter A. Petersen. "Incorporating Ice Crystal Scattering Databases in the Simulation of Millimeter-Wavelength Radar Reflectivity." Journal of Atmospheric and Oceanic Technology 28, no. 3 (2011): 337–51. http://dx.doi.org/10.1175/2010jtecha1511.1.

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Abstract The Canadian CloudSat/Cloud–Aerosol Lidar and Infrared Pathfinder Satellite Observations (CALIPSO) Validation Project (C3VP) was designed to acquire aircraft, surface, and satellite observations of particle size distributions during cold season precipitation events for the purposes of validating and improving upon satellite-based retrievals of precipitation and the representation of cloud and precipitation processes within numerical weather prediction schemes. During an intensive observation period on 22 January 2007, an instrumented aircraft measured ice crystal size distributions, i
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Каргин, Борис Александрович, Евгения Геннадьевна Каблукова, and Цюань Му. "Numerical stochastic simulation of optical radiation scattering by ice crystals of irregular random shapes." Вычислительные технологии, no. 2 (May 11, 2022): 4–18. http://dx.doi.org/10.25743/ict.2022.27.2.002.

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Перистая облачность является существенным источником неопределенности при построении численных моделей радиационного баланса Земли. В данной работе вычисляются индикатрисы рассеяния оптического излучения кристаллическими ледяными частицами нерегулярной формы на основе геометрической оптики с использованием метода трассировки лучей, что позволит дополнить оптические модели перистой облачности новыми данными. В качестве моделей ледяных частиц нерегулярной формы предлагается использовать многогранники, являющиеся выпуклыми оболочками случайного множества точек, распределенных по некоторому закону
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Jeong, Woon-Hyeon, Su-Min Choi, Su-Min Lim, et al. "Influence of Active Afterheater in the Crystal Growth of Gallium Oxide via Edge-Defined Film-Fed Growing Method." Crystals 13, no. 11 (2023): 1591. http://dx.doi.org/10.3390/cryst13111591.

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In this study, we explored the effect of an active afterheater on the growth of gallium oxide single crystals using the EFG method. We analyzed the temperature distribution of the crystal under the growing process through multiphysics simulations of the models with and without an active afterheater and investigated the morphology of crystals by applying each model to real experimental growths. The afterheater is a component in the growing furnace that activates radiant heat transfer, and its performance depends on its location, size, material, and shape. The simulation results showed that the
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Tokuda, Yuichiro, Norihiro Hoshino, Hironari Kuno, et al. "Fast 4H-SiC Bulk Growth by High-Temperature Gas Source Method." Materials Science Forum 1004 (July 2020): 5–13. http://dx.doi.org/10.4028/www.scientific.net/msf.1004.5.

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The process conditions for fast growth of 4 in. 4H-polytype SiC (4H-SiC) single crystals were studied for high-temperature gas source method. Prior to experiments, crystal growth simulations were conducted to investigate the influence of vertical gas-flow velocity on the radial distribution of the growth rate. Crystal growth experiments were performed using the crucibles designed for 4 in. crystal growth following the simulation studies. By investigating growth rate as functions of the input partial pressure of source gases and temperatures of growing surfaces, expressions for the growth rate
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Wieszała, R., J. Piątkowski, and H. Bąkowski. "Application of FEM Analysis for Evaluation of the Stress and Deformation Distributions in the Top Layer of A390.0 Alloy During Friction." Archives of Foundry Engineering 17, no. 1 (2017): 228–34. http://dx.doi.org/10.1515/afe-2017-0040.

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Abstract The paper presents an analysis of the effect of shape of primary silicon crystals on the sizes of stresses and deformations in a surface layer of A390.0 alloy by Finite Elements Method (FEM). Analysis of stereological characteristics of the studied alloy, performed based on a quantitative metallographic analysis in combination with a statistical analysis, was used for this purpose. The presented simulation tests showed not only the deposition depth of maximum stresses and strains, but also allowed for determining the aforementioned values depending on the shape of the silicon crystals
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Mokina, V. M., F. A. Danevich, V. V. Kobychev, et al. "Optimization of Light Collection from Crystal Scintillators for Cryogenic Rare Decay Experiments." Solid State Phenomena 230 (June 2015): 199–204. http://dx.doi.org/10.4028/www.scientific.net/ssp.230.199.

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The aim of this work is optimization of light collection in conditions similar to that in cryogenic scintillating bolometers. Energy resolution and relative pulse amplitude of scintillation detectors were measured using CaWO4 crystals with different shapes (cylindrical, hexagonal, cube and triangle prism), reflector materials and shapes, optical contact and surface conditions (polished and diffuse). Light collection was simulated using the ZEMAX ray-tracing software. The results of the simulations are in good agreement with the measured values of light output. Scintillators in the shape of a t
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Dissertations / Theses on the topic "Simulation shapes of crystals"

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Спесивий, А. С., Viacheslav Ivanovych Perekrestov, Вячеслав Иванович Перекрестов та Вячеслав Іванович Перекрестов. "Моделирование равновесных форм кристаллов". Thesis, Видавництво СумДУ, 2010. http://essuir.sumdu.edu.ua/handle/123456789/4208.

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Поставлена задача получить методами компьютерного моделирования равновесную форму кристалла. Для наработки метода получения равновесных форм различных кристаллических структур производится моделирование кристалла примитивной кубической сингонии. При цитировании документа, используйте ссылку http://essuir.sumdu.edu.ua/handle/123456789/4208
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Rigby, Adam. "The computer simulation of discotic and rod-like phase transitions for a range of molecular shapes and sizes." Thesis, University of Manchester, 2015. https://www.research.manchester.ac.uk/portal/en/theses/the-computer-simulation-ofdiscotic-and-rodlike-phasetransitions-for-a-range-ofmolecular-shapes-and-sizes(9c5b9645-e4c2-440a-b0ec-3533636dd1e9).html.

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In 1970, Freiser made the theoretical prediction that a biaxial nematic phase could exist. In auniaxial nematic, only one particle axis is aligned but with a biaxial nematic, all three molecular axes are aligned. This phase is expected to occur for particle whose shape is intermediate between that of a disc and a rod. Board and bent-core particles are examples of such structures. Despite extensive experimental investigation, however, very few biaxial nematic systems have been found. Yu and Saupe [21] have shown the occurrence of a biaxial nematic phase generated for a lyotropic system. Similar
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Gérard, Hervé. "Simulation de spectres de résonance magnétique nucléaire de cristaux liquides, polymères cristaux liquides et polymères conventionnels." Grenoble 1, 1993. http://www.theses.fr/1993GRE10144.

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Le but de cette etude est la simulation et l'exploitation de spectres de rmn de cristaux liquides nematiques et de polymeres. Les formes de raie rmn sont analysees grace a deux modeles complementaires, le premier (modele a conformation unique) decrivant la contribution purement moleculaire (geometrie et mouvements internes a la molecule), le second la contribution des mouvements collectifs (modes visco-elastiques). Des rappels sur la methode rmn et la notion d'ordre orientationnel au sein de la phase nematique sont fournis dans la premiere partie ou sont egalement decrits ces deux modeles. Dan
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McBride, Carl. "Computer simulation of liquid crystals." Thesis, Durham University, 1999. http://etheses.dur.ac.uk/4588/.

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Molecular dynamics simulation performed on modern computer workstations provides a powerful tool for the investigation of the static and dynamic characteristics of liquid crystal phases. In this thesis molecular dynamics computer simulations have been performed for two model systems. Simulations of 4,4'-di-n-pentyl-bibicyclo[2.2.2]octane demonstrate the growth of a structurally ordered phase directly from an isotropic fluid. This is the first time that this has been achieved for an atomistic model. The results demonstrate a strong coupling between orientational ordering and molecular shape, bu
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Bates, Martin Alexander. "Computer simulation of liquid crystals." Thesis, University of Southampton, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.243183.

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McDonald, Andrew John. "Computer simulation of liquid crystals." Thesis, University of Bristol, 2002. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.247893.

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Pelaez, Laguno Jorge. "Atomistic simulation of biaxial liquid crystals and mixtures of liquid crystals." Thesis, Durham University, 2007. http://etheses.dur.ac.uk/2498/.

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In this thesis molecular dynamics (MD) simulations at a fully-atomistic level have been undertaken to study the biaxiality and the structure of the liquid crystalline phase formed by the para-heptylbenxoate diester of 2.5-bis-(p-hydroxyphenyl)-1,3,4-oxadiazole (ODBP-Ph-C(_7)), which is a bent-core mesogen. This has been the first time the transition between isotropic and liquid crystalline phases has been achieved using a fully atomistic (all-atom) potential. Simulations at five different temperatures covering the nematic range of ODBP-Ph-C(_7) have been undertaken to study the temperature dep
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O'Brien, Paul A. "Simulation and theory of liquid crystals." Thesis, University of Warwick, 2010. http://wrap.warwick.ac.uk/3776/.

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We present a study of the theory and simulation of Liquid Crystals. A general introduction to the field is given, then the essential features of the Monte Carlo (MC) sampling algorithm are described and explained, along with some of the practical considerations in the implementation of MC. Several quantitative measures used to describe liquid crystalline systems are outlined, including the second rank order tensor, in addition to some of those from elastic theory and density functional theory. Monte Carlo Simulations were performed in bulk geometry in the canonical ensemble in order to calcula
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Zewdie, H. "The computer simulation of liquid crystals." Thesis, University of Southampton, 1986. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.373936.

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Whatling, Shaun Gary. "Computer simulation studies of liquid crystals." Thesis, University of Southampton, 1997. https://eprints.soton.ac.uk/421720/.

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Books on the topic "Simulation shapes of crystals"

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Bronstein, Alexander M. Numerical geometry of non-rigid shapes. Springer, 2008.

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Bronstein, Alexander M. Numerical geometry of non-rigid shapes. Springer, 2008.

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Bronstein, Alexander M. Numerical geometry of non-rigid shapes. Springer, 2008.

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Bronstein, Alexander M. Numerical geometry of non-rigid shapes. Springer, 2008.

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E, Diéguez, ed. Orientation of single crystals by back-reflection Laue pattern simulation. World Scientific, 1999.

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NATO, Advanced Research Workshop on Computational Methods for Polymers and Liquid Crystalline Polymers (2003 Erice Italy). Computer simulations of liquid crystals and polymers. Kluwer Academic Publishers, 2005.

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Paolo, Pasini, Zannoni Claudio, North Atlantic Treaty Organization. Scientific Affairs Division., and NATO Advanced School Institute on Advances in the Computer Simulations of Liquid Crystals (1998 : Erice, Italy), eds. Advances in the computer simulations of liquid crystals. Kluwer Academic Publishers, 2000.

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Raabe, Dierk. Microstructure simulation in materials science: A review of modern approaches to the simulation of materials with special emphasis on crystal plasticity and integrated methods. Shaker, 1997.

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Barger, Raymond L. Semianalytic modeling of aerodynamic shapes. National Aeronautics and Space Administration, Scientific and Technical Information Branch, 1985.

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Gaver, Donald Paul. Modeling and simulation of random shapes by sculptured wraparound: Preliminary report. Naval Postgraduate School, 1990.

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Book chapters on the topic "Simulation shapes of crystals"

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Mutaftschiev, Boyan. "Equilibrium Shapes of Crystals." In The Atomistic Nature of Crystal Growth. Springer Berlin Heidelberg, 2001. http://dx.doi.org/10.1007/978-3-662-04591-6_9.

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Weinert, Klaus, Frank Albersmann, and Georg Guntermann. "Milling Simulation with an adaptive Strategy." In Machining Impossible Shapes. Springer US, 1999. http://dx.doi.org/10.1007/978-0-387-35392-0_15.

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Meyer, M. "Simulation of Plastic Crystals." In Computer Modelling of Fluids Polymers and Solids. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-009-2484-0_13.

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Boedecker, Geesche, Carsten Henkel, Christian Hermann, and Ortwin Hess. "Spontaneous Emission in Photonic Structures: Theory and Simulation." In Photonic Crystals. Wiley-VCH Verlag GmbH & Co. KGaA, 2006. http://dx.doi.org/10.1002/3527602593.ch2.

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Vlasov, Yu A., O. L. Golubev, and V. N. Shrednik. "Equilibrium and Stationary Shapes of Heated Metallic Crystals in a Strong Electric Field." In Growth of Crystals. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-2379-6_1.

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Sukhoivanov, Igor A., and Igor V. Guryev. "Application for Design and Simulation of Optical WDM Demultiplexer." In Photonic Crystals. Springer Berlin Heidelberg, 2009. http://dx.doi.org/10.1007/978-3-642-02646-1_10.

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Inui, Masatomo, Mitsuhiro Kaneda, and R. Kakio. "Fast Simulation of Sculptured Surface Milling with 3-Axis NC Machine." In Machining Impossible Shapes. Springer US, 1999. http://dx.doi.org/10.1007/978-0-387-35392-0_10.

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Leu, Ming C., Denis Blackmore, and Bilal Maiteh. "Deformed Swept Volume Analysis to NC Machining Simulation with Cutter Deflection." In Machining Impossible Shapes. Springer US, 1999. http://dx.doi.org/10.1007/978-0-387-35392-0_16.

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Rodríguez, Ciro A., and Taylan Altan. "Simulation of Ball-nose End Milling Operations — Selection of Geometric Resolution Parameters." In Machining Impossible Shapes. Springer US, 1999. http://dx.doi.org/10.1007/978-0-387-35392-0_11.

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Antonov, P. A., and S. I. Bakholdin. "Effects of Physical-Property Anisotropy on the Shapes and Defect Structures of Profiled Single Crystals." In Growth of Crystals. Springer US, 1987. http://dx.doi.org/10.1007/978-1-4615-7122-3_18.

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Conference papers on the topic "Simulation shapes of crystals"

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Yao, Jineng, Wenxiao Wu, Rui Yang, et al. "Numerical Simulation of the Influence of Various Crucible Sizes and Shapes on the Growth of GaN Crystals by the Na-flux Method." In 2024 21st China International Forum on Solid State Lighting & 2024 10th International Forum on Wide Bandgap Semiconductors (SSLCHINA: IFWS). IEEE, 2024. https://doi.org/10.1109/sslchinaifws64644.2024.10835368.

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Elkoddosy, Mariam, Mohamed A. Swillam, and Mustafa M. El-Boghdady. "Optimizing SiNWs shapes for improved solar cell performance." In Physics and Simulation of Optoelectronic Devices XXXIII, edited by Marek Osiński, Yasuhiko Arakawa, and Bernd Witzigmann. SPIE, 2025. https://doi.org/10.1117/12.3043669.

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Manut, Azrif, Muhammad Marzuki Hamzah, Ahmad Sabirin Zoolfakar, and Maizatul Zolkapli. "Simulation of Multiple Interdigitated Electrode Shapes for Sensor Application." In 2024 IEEE International Conference on Applied Electronics and Engineering (ICAEE). IEEE, 2024. http://dx.doi.org/10.1109/icaee62924.2024.10667493.

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Hosseini, Mahdi, Yisheng Lei, Zongfeng Li, and Trevor Kling. "Efficient quantum optical storage in rare earth crystals." In Quantum Computing, Communication, and Simulation V, edited by Philip R. Hemmer and Alan L. Migdall. SPIE, 2025. https://doi.org/10.1117/12.3044396.

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Deb, Trideep, Puspa Devi Pukhrambam, and Karthik Nasani. "Design and Simulation of Y-shaaped Waveguide Based on Silicon 2D Photonic Crystal for Photonic Integrated Circuits." In 2024 International Conference on Numerical Simulation of Optoelectronic Devices (NUSOD). IEEE, 2024. http://dx.doi.org/10.1109/nusod62083.2024.10723368.

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Idrissi, Abdellah, Rachid El Amraoui, and Hicham El Mghari. "CFD Simulation of Wind Load on tall Modified Building Shapes." In 2024 Mediterranean Smart Cities Conference (MSCC). IEEE, 2024. http://dx.doi.org/10.1109/mscc62288.2024.10697040.

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Tape, Walter. "Ice Crystals and Halos in Fairbanks, Alaska Ice Crystals and Halos at the South Pole." In Meteorological Optics. Optica Publishing Group, 1986. http://dx.doi.org/10.1364/mo.1986.tha4.

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During low level halo displays ice crystals in the atmosphere were collected and photographed. The halos were also photographed. The observed crystal shapes are used as inputs for theoretical computer simulations of the halo displays. Input crystal orientations are chosen to produce halo simulations approximating the observed displays. Especially when the crystal samples are homogeneous, one can sometimes learn the falling modes of the crystals. Also, the observed crystals and halos provide a test of the simulation predictions.
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Adamski, Artur, Herman Pauwels, Kristiaan Neyts, Chris Desimpel, and Stefaan Vermael. "Simulation of V-shaped stability in AFLC." In XIV Conference on Liquid Crystals, Chemistry, Physics, and Applications, edited by Jolanta Rutkowska, Stanislaw J. Klosowicz, and Jerzy Zielinski. SPIE, 2002. http://dx.doi.org/10.1117/12.472135.

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Sun, Jinjuan, Jianying Gong, Guojun Li, and Tieyu Gao. "Lattice Boltzmann Simulation of Frost Formation Process." In ASME 2013 Heat Transfer Summer Conference collocated with the ASME 2013 7th International Conference on Energy Sustainability and the ASME 2013 11th International Conference on Fuel Cell Science, Engineering and Technology. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/ht2013-17700.

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Compared with the conventional mathematical and physical models, the lattice Boltzmann (LB) method is an effective method to simulate the heat and mass transfer in porous media. Frost crystallization aggregation is a very complex process involving inconsistency of frost structures, crystal size distributions, the complex transient shapes, and other numerous influential factors. Assuming the frost is a special porous medium consists of ice crystals and humid air, a mesoscopic model is established to predict the behavior of frost formation based on the lattice Boltzmann equation. The moving boun
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Banerjee, Jyotirmay, and K. Muralidhar. "Simulation of Transport Phenomena and Interfacial Dynamics During Czochralski Growth of Oxide Crystals." In ASME 2008 6th International Conference on Nanochannels, Microchannels, and Minichannels. ASMEDC, 2008. http://dx.doi.org/10.1115/icnmm2008-62116.

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The quality of crystal grown in a Czochralski apparatus depends on a well organized flow and thermal field in the vicinity of the melt-crystal interface. A mathematical model that explores transport phenomena and the formation, evaluation and dynamics of the interface in a Czochralski apparatus is presented. The numerical formulation allows for the consideration of conduction in the crystal, conduction and convection in the melt and the gas phase, surface tension gradients, bulk and surface radiation and crystal rotation. Low temperature experiments using liquid crystal thermography have been
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Reports on the topic "Simulation shapes of crystals"

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Wunderlich, B., B. G. Sumpter, D. W. Noid, and G. L. Liang. Computer simulation of macromolecular crystals and their defects. Office of Scientific and Technical Information (OSTI), 1993. http://dx.doi.org/10.2172/10169093.

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Pollock, E. L. Simulation studies of ion dynamic effects on dense plasma line shapes. Office of Scientific and Technical Information (OSTI), 1986. http://dx.doi.org/10.2172/6931341.

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Gaver, Donald P., and Patricia A. Jacobs. Modeling and Simulation of Random Shapes by Sculptured Wraparound: Preliminary Report. Defense Technical Information Center, 1990. http://dx.doi.org/10.21236/ada230255.

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Marian, J., and T. Hoang. Simulation of triple ion-beam irradiation in Fe single crystals using stochastic cluster dynamics. Office of Scientific and Technical Information (OSTI), 2014. http://dx.doi.org/10.2172/1150028.

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Wenren, Yonghu, Luke Allen, and Robert Haehnel. SAGE-PEDD user manual. Engineer Research and Development Center (U.S.), 2022. http://dx.doi.org/10.21079/11681/44960.

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SAGE-PEDD is a computational model for estimating snowdrift shapes around buildings. The main inputs to the model are wind speed, wind direction, building geometry and initial ground or snow-surface topography. Though developed mainly for predicting snowdrift shapes, it has the flexibility to accept other soil types, though this manual addresses snow only. This manual provides detailed information for set up, running, and viewing the output of a SAGE-PEDD simulation.
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Johnson, Cody, Brian McFall, Douglas Krafft, and Mitchell Brown. Sediment transport and morphological response to nearshore nourishment projects on wave-dominated coasts. Engineer Research and Development Center (U.S.), 2025. https://doi.org/10.21079/11681/49721.

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Nearshore nourishments are constructed for shoreline protection from waves, to provide sediment nourishment to the beach profile, and to beneficially use dredged sediment from navigation channel maintenance. However, it is poorly understood how placement morphology and depth influence nearshore processes operated on wave-dominated coasts. This study investigates the wave fields, sediment transport, and morphological response to three common nearshore nourishment shapes, nearshore berm (elongated bar), undulated nearshore berm, and small discrete mounds, with numerical experiments utilizing the
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Shmulevich, Itzhak, Shrini Upadhyaya, Dror Rubinstein, Zvika Asaf, and Jeffrey P. Mitchell. Developing Simulation Tool for the Prediction of Cohesive Behavior Agricultural Materials Using Discrete Element Modeling. United States Department of Agriculture, 2011. http://dx.doi.org/10.32747/2011.7697108.bard.

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The underlying similarity between soils, grains, fertilizers, concentrated animal feed, pellets, and mixtures is that they are all granular materials used in agriculture. Modeling such materials is a complex process due to the spatial variability of such media, the origin of the material (natural or biological), the nonlinearity of these materials, the contact phenomenon and flow that occur at the interface zone and between these granular materials, as well as the dynamic effect of the interaction process. The lack of a tool for studying such materials has limited the understanding of the phen
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Allen, Luke, Joon Lim, Robert Haehnel, and Ian Dettwiller. Helicopter rotor blade multiple-section optimization with performance. Engineer Research and Development Center (U.S.), 2021. http://dx.doi.org/10.21079/11681/41031.

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This paper presents advancements in a surrogate-based, rotor blade design optimization framework for improved helicopter performance. The framework builds on previous successes by allowing multiple airfoil sections to designed simultaneously to minimize required rotor power in multiple flight conditions. Rotor power in hover and forward flight, at advance ratio 𝜇 = 0.3, are used as objective functions in a multi-objective genetic algorithm. The framework is constructed using Galaxy Simulation Builder with optimization provided through integration with Dakota. Three independent airfoil sections
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ROTATIONAL RESISTANCE TEST OF A NEW ALUMINUM ALLOY PENETRATING (AAP) JOINT SYSTEM. The Hong Kong Institute of Steel Construction, 2023. http://dx.doi.org/10.18057/ijasc.2023.19.2.4.

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Aluminum alloy penetrating (AAP) joint is an improved form of the Aluminum Alloy Temcor (AAT) joint system consisting of one penetrating member, four short members, gussets, bolts and a U-shaped connector. The rotational resistance performance of AAP joints is investigated by a static out-of-plane flexural test. The specific experimental parameters include the gusset thickness (6 mm and 12 mm) and shape (circular and X-shaped). The differences between penetrating and short members in AAP joints are analyzed, and the influence of thicknesses and shapes of gusset on rotational resistance behavio
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