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Relevant bibliographies by topics / Truncated Cone Model

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Academic literature on the topic 'Truncated Cone Model'

Author: Grafiati

Published: 4 June 2021

Last updated: 6 February 2022

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Journal articles on the topic "Truncated Cone Model"

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Cojocaru, Dorian, Giuseppe Boccolato, Ionut Dinulescu, Alice Predescu, Florin Manta, and Sorin Dumitru. "3D Control for a Truncated Cone Tentacle Kinematics." Solid State Phenomena 166-167 (September 2010): 127–32. http://dx.doi.org/10.4028/www.scientific.net/ssp.166-167.127.

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This paper presents the architecture, simulation, implementation and control problem for a class of continuum manipulators – the truncated cone tentacle arm. Desired shape for a tentacle robot is obtained by bending each of the three serial connected sections of a continuous backbone. Such tentacle arm has a fixed length but it can achieve any position and orientation in 3D space. A tentacle arm prototype was designed and the practical realization is now running. For this prototype we present a finite element model, for simulation purposes, we propose a kinematic model to be used in the contro

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Zhao, Meng, Jun Mao, and Guo Wei Yang. "Research on Compressible Flow around Cylinder and Truncated Cone with LES Method." Advanced Materials Research 919-921 (April 2014): 210–15. http://dx.doi.org/10.4028/www.scientific.net/amr.919-921.210.

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Numerical simulation with the large eddy simulation, filter function, and Smagorinsky sub-grid scale model is adopted to simulate the compressible flow around a bluff body finite length circular cylinder and truncated cone in high Reynolds number. The law of the drag coefficient, lift coefficient and pressure coefficient obtained from models with various cross-wind speeds was discussed. Process of the vortex generated, shed and dissipated was analyzed and the relationship between the press filed, velocity filed and vortex filed was also analyzed. Average value of the drag coefficient, lift coe

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Mao, Qianjun, Ning Liu, and Li Peng. "Numerical Investigations on Charging/Discharging Performance of a Novel Truncated Cone Thermal Energy Storage Tank on a Concentrated Solar Power System." International Journal of Photoenergy 2019 (January 27, 2019): 1–17. http://dx.doi.org/10.1155/2019/1609234.

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Developing a concentrated solar power (CSP) technology is one of the most effective methods to solve energy shortage and environmental pollution all over the world. Thermal energy storage (TES) system coupling with phase change materials (PCM) is one of the most significant methods to mitigate the intermittence of solar energy. In this paper, firstly, a 2D physical and mathematical model of a novel truncated cone shell-and-tube TES tank has been proposed based on enthalpy method. Secondly, the performance during the charging/discharging process of the truncated cone tank has been compared with

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Pour, Hadi Samareh Salavati, Mojtaba Sadighi, and Abdolvahed Kami. "Optimization of the Composite Truncated Cone Structure Layers under Buckling Load." Applied Mechanics and Materials 225 (November 2012): 144–49. http://dx.doi.org/10.4028/www.scientific.net/amm.225.144.

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The orientation of fibers in the layers is an important factor that must be obtained in order to predict how well the finished composite product will perform under real-world working conditions. In this research, a five-layer glass-epoxy composite truncated cone structure under buckling load was considered. The simulation of the structure was done utilizing finite element method and was confirmed comparing with the published experimental results. Then the effect of different orientation of fibers on the buckling load was considered. For this, a computer programing was developed to compute the

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Chen, Pengcheng, Weijing Niu, Xiaopeng Yan, and Guoyun Lu. "Theoretical model for dynamic response of aluminum foam sandwich targets by truncated cone-nosed projectiles." Journal of Sandwich Structures & Materials 20, no. 2 (2016): 249–67. http://dx.doi.org/10.1177/1099636216664288.

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Based on classical dynamic cylindrical cavity expansion theory, a nine-step penetration and perforation process of aluminum foam sandwich targets by truncated cone-nosed projectiles are developed theoretically. In the theoretical model, the friction, shear strength, and the force for tearing the cells in the core at the periphery of the projectile are considered, and the resistance force and instantaneous velocity are achieved from this process. On this basis, the effects of the geometry of projectiles, core thickness, and impact velocities of projectiles on absorbed energy are also analyzed.

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Lv, Zhexin, Sirong Yu, Xue Zhou, Di Liu, Enyang Liu, and Yan Zhao. "Preparation of a superhydrophobic coating on 6061Al alloy substrate and its simplified truncated cone model." Journal of Coatings Technology and Research 16, no. 4 (2019): 933–48. http://dx.doi.org/10.1007/s11998-018-00168-0.

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Cruz de León, Gildardo, and José Cruz de León. "The segmental conic model for forest measurements." Madera y Bosques 12, no. 2 (2016): 91–96. http://dx.doi.org/10.21829/myb.2006.1221245.

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A close analysis of traditional geometries and volume equations in forest measurements lead us to propose the use of conic geometry by segments as an alternative method to approach the whole form of any regular tree bole, log or bolt. The model is general and applies to any solid of revolution and is supported on the truncated cone volume equation. It is called The Segmental Conic Model. The model accuracy depends on the number of segments and is exact in the limit when that number goes to infinity.

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Pătrulescu, F. O., T. Groşan, and I. Pop. "Mixed convection boundary layer flow from a vertical truncated cone in a nanofluid." International Journal of Numerical Methods for Heat & Fluid Flow 24, no. 5 (2014): 1175–90. http://dx.doi.org/10.1108/hff-11-2012-0267.

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Purpose – The purpose of this paper is to investigate the steady mixed convection boundary layer flow from a vertical frustum of a cone in water-based nanofluids. The problem is formulated to incorporate three kinds of nanoparticles: copper, alumina and titanium oxide. The working fluid is chosen as water with the Prandtl number of 6.2. The mathematical model used for the nanofluid incorporates the particle volume fraction parameter, the effective viscosity and the effective thermal diffusivity. The entire regime of the mixed convection includes the mixed convection parameter, which is positiv

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Ahmed, Baqer Ayad, Saad Kariem Shather, and Wisam Kadhim Hamdan. "Statistical Analysis of Metal Removal during Magnetic Abrasive Finishing Process." Journal of Engineering 26, no. 8 (2020): 34–45. http://dx.doi.org/10.31026/j.eng.2020.08.03.

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This work aims to provide a statistical analysis of metal removal during the Magnetic Abrasive Finishing process (MAF) and find out the mathematical model which describes the relationship between the process parameters and metal removal, also estimate the impact of the parameters on metal removal. In this study, the single point incremental forming was used to form the truncated cone made of low carbon steel (1008-AISI) based on the Z-level tool path. Then the finishing was accomplished using a magnetic abrasive process based on the Box-Behnken design of the experiment using Minitab 17 softwar

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Ma, L.-W., and J.-H. Mo. "Three-dimensional finite element method simulation of sheet metal single-point incremental forming and the deformation pattern analysis." Proceedings of the Institution of Mechanical Engineers, Part B: Journal of Engineering Manufacture 222, no. 3 (2008): 373–80. http://dx.doi.org/10.1243/09544054jem957.

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Further research of the sheet metal single-point incremental forming (SPIF), which is a flexible sheet metal numerical forming method without dedicated dies, has used finite element method (FEM) simulation to analyse the forming principle and the effect of process parameters on the forming. In SPIF, the located region of the blank in contact with the forming tool is formed incrementally along the trajectory. There is no symmetric load and geometry condition, so the FEM model could not be simplified to a symmetrical model and the efficiency of simulation is bad. In this paper, brick elements ar

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Dissertations / Theses on the topic "Truncated Cone Model"

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Utkutug, Deniz. "A Parametric Study Investigating The Inertial Soil-structure Interaction Effects On Global And Local Deformation Demands Of Multistory Steel Mrf Structures Resting On Surface Rigid Mat Foundations." Phd thesis, METU, 2009. http://etd.lib.metu.edu.tr/upload/2/12610490/index.pdf.

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In reality, dynamic response of a structure supported on a compliant soil may vary significantly from the response of same structure when supported on a rigid base. A parametric study is conducted for the analysis of the variation in the global and the local deformation demands caused by the inertial soil-structure interaction effects. For the purposes of the study, nonlinear dynamic analyses are performed on 7 steel moment-resisting frame models, which are prepared by the virtue of fixed-base and flexible-base (interacting) conditions. Foundation is modeled with the Truncated Cone Model (Wolf

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Spies, Helena [Verfasser], Robert [Akademischer Betreuer] Roth, and Jens [Akademischer Betreuer] Braun. "Importance-Truncated No-Core Shell Model for Fermionic Many-Body Systems / Helena Spies ; Robert Roth, Jens Braun." Darmstadt : Universitäts- und Landesbibliothek Darmstadt, 2017. http://d-nb.info/1127729225/34.

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Anoop, K. P. "Truncated Data Problems In Helical Cone-Beam Tomography." Thesis, 2008. http://hdl.handle.net/2005/766.

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This report delves into two of the major truncated data problems in helical cone-beam tomography: Axial truncation and Lateral truncation. The problem of axial truncation, also classically known as the Long Object problem, was a major challenge in the development of helical scan tomography. Generalization of the Feldkamp method (FDK) for circular scan to the helical scan trajectory was known to give reasonable solutions to the problem. The FDK methods are approximate in nature and hence provide only approximate solution to the long object problem. Recently, many methods which provide exact sol

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Spies, Helena. "Importance-Truncated No-Core Shell Model for Fermionic Many-Body Systems." Phd thesis, 2017. http://tuprints.ulb.tu-darmstadt.de/5973/1/diss_mit_danksagung_und_widmung.pdf.

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The exact solution of quantum mechanical many-body problems is only possible for few particles. Therefore, numerical methods were developed in the fields of quantum physics and quantum chemistry for larger particle numbers. Configuration Interaction (CI) methods or the No-Core Shell Model (NCSM) allow ab initio calculations for light and intermediate-mass nuclei, without resorting to phenomenology. An extension of the NCSM is the Importance-Truncated No-Core Shell Model, which uses an a priori selection of the most important basis states. The importance truncation was first developed and app

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"Data disaggregation with ecological inference: implementation of models based in the truncated normal and on the binomial-beta via em algorithm." Tese, MAXWELL, 2000. http://www.maxwell.lambda.ele.puc-rio.br/cgi-bin/db2www/PRG_0991.D2W/SHOW?Cont=1347:pt&Mat=&Sys=&Nr=&Fun=&CdLinPrg=pt.

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Book chapters on the topic "Truncated Cone Model"

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Karmanov, V. A. "Non-perturbative Renormalization in Truncated Yukawa Model." In Light Cone 2015. Springer International Publishing, 2017. http://dx.doi.org/10.1007/978-3-319-50699-9_18.

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Huang, Guangqin, Yajiao Liu, Xiaofeng Yang, and Chunlong Zhuang. "Heat Transfer of Helix Energy Pile: Part 2—Novel Truncated Cone Helix Energy Pile." In Heat Transfer - Models, Methods and Applications. InTech, 2018. http://dx.doi.org/10.5772/intechopen.76821.

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Conference papers on the topic "Truncated Cone Model"

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Shen, Zejun, Peng Zuo, and Jiansheng Yuan. "Calculation of the shrinking contact resistance by truncated cone model to simulate the contact of armature and rails." In 2012 16th International Symposium on Electromagnetic Launch Technology (EML). IEEE, 2012. http://dx.doi.org/10.1109/eml.2012.6325121.

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Wang, Jiyuan, Longqiu Li, Xiaocong Chang, Tianlong Li, Wenping Song, and Guangyu Zhang. "The Effect of Geometry on the Velocity and Drag Force of Catalytic Micro/Nano-Rockets." In ASME 2015 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/detc2015-46881.

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The hydrodynamic behavior of synthetic self-propelled catalytic micro/nano-rocket moving in low Reynolds number flow is studied theoretically. The inclination angle of the bubble departed from the micro/nano-rocket is related to the radius of the micro/nano-rocket. A unified formula of the drag force for cylindrical, cone-frustum and double truncated cone shapes micro/nano-rocket have been derived. The effect of geometric shapes on the velocity and the drag force is identified by comparing with three circular cross-sectional types of micro/nano-rocket. The average velocity is found to be stron

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Wang, Yongjun, Weichao Wu, Ying Huang, N. Venkata Reddy, and Jian Cao. "Experimental and Numerical Analysis of Double Sided Incremental Forming." In ASME 2009 International Manufacturing Science and Engineering Conference. ASMEDC, 2009. http://dx.doi.org/10.1115/msec2009-84275.

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This paper presents a new rapid prototyping process of a thin sheet metal, Double Sided Incremental Forming of a cylindrical part without a die or a clamping device around the periphery of the sheet. The effects of process parameters on part shape, such as gap between two tool heads and feed rate, are examined experimentally with a special device mounted on a general lathe and numerically with a commercial finite element software package, Abaqus. Depending on the process parameter, a truncated cone shape part can be successfully fabricated with two tool heads pressing and moving along the radi

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He, Kai, Jiuhua Li, Shuguo Wei, and Ruxu Du. "The Experimental Study on Forming Accuracy for Water Jet Incremental Sheet Metal Forming." In ASME 2013 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2013. http://dx.doi.org/10.1115/imece2013-62892.

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This paper aimed to present the methods to improve the forming accuracy for water jet incremental sheet metal forming. The study focuses on the process parameters and the forming accuracy based on the experiments. Firstly, some experiments was carried out to evaluate the deformation effect of sheet metal in water jet incremental sheet metal forming process with respect to some key parameters, such as water jet pressure and feed velocity. Then, the influence of layer on deformation was analyzed, and the theoretical model of forming accuracy and two methods to improve the forming accuracy were p

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Błachut, J. "Buckling of Truncated Cones With Localized Imperfections." In ASME 2012 Pressure Vessels and Piping Conference. American Society of Mechanical Engineers, 2012. http://dx.doi.org/10.1115/pvp2012-78374.

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The paper shows that both the inward and outward bulge-type axisymmetric shape imperfections can significantly lower the buckling strength of steel conical shells. The FE results are provided for: (i) axial compression, (ii) external pressure, and (iii) combined action of both loads. Sensitivity of buckling loads to outward bulges has not been generally known or expected. It is shown that the sensitivity of buckling load depends not only on the shape, amplitude but also on the position of the imperfection along the slant. Geometry of recently tested cones was also used in order to assess the i

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Friedlander, F., A. Karp, B. Gaiser, J. Gaiser, and B. Goplen. "Transient analysis of beam interaction with antisymmetric mode in truncated periodic structure using 3-dimensional computer code "SOS"." In 1985 International Electron Devices Meeting. IRE, 1985. http://dx.doi.org/10.1109/iedm.1985.190923.

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Liu, Yumin, Zhongyuan Yu, and Xiaomin Ren. "The Electronic Structure of Truncated-Conical Shaped InAs/GaAs Quantum Dot With Wetting Layers." In 2007 First International Conference on Integration and Commercialization of Micro and Nanosystems. ASMEDC, 2007. http://dx.doi.org/10.1115/mnc2007-21539.

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Semiconductor quantum dots have been of major interest in recent years. This has largely been simulated by progress in quantum dot growth technology, whereby self-organized quantum dots array can be achieved using Stranski-Krastanow growth mode. Quantum does material has achieved broad applications in optoelectronic devices and quantum information fields because of the unique 3-D electron confinement. Based on the 1-band effective-mass theory, a finite element technique is developed to calculate the electronic structure of conical shaped InAs/GaAs quantum dot, including the wetting layer. Usin

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Markuš, Š., and T. Nánási. "Estimation of Response and Loss Factor of Damped Sandwich Beam." In ASME 1991 Design Technical Conferences. American Society of Mechanical Engineers, 1991. http://dx.doi.org/10.1115/detc1991-0257.

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Abstract Classical governing equations of a three-layered sandwich beam are generalized with the aim to avoid the necessity of identical arrangement of both face layers at the end of the beam. In this way more shear deformations in the core are allowed for. This may significantly contribute to the increased dissipation of vibratory energy. Estimation of the response of the damped sandwich beam and the loss factor are based on truncated integral modal transformation in which the base functions are the modal data from the associated undamped system. Simple formula expressing the modal loss facto

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Blachut, J., and O. Ifayefunmi. "Plastic Buckling of Conical Shells." In ASME 2009 28th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2009. http://dx.doi.org/10.1115/omae2009-79219.

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The buckling of unstiffened truncated conical shells subjected to axial compression and/or to external pressure is discussed. This work is both experimental and theoretical/numerical. Results of tests on four laboratory scale cones and the associated numerical estimations of buckling loads are provided. The models were machined from mild steel and they had integral top and bottom flanges in them. The bottom and top diameters of the cones were about 200 mm and 100 mm, respectively. Semi-vertex angle was about 27°, whilst the nominal wall thickness was 3mm. The numerical results are based on the

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Blachut, J., and O. Ifayefunmi. "Buckling of Unstiffened Steel Cones Subjected to Axial Compression and External Pressure." In ASME 2010 29th International Conference on Ocean, Offshore and Arctic Engineering. ASMEDC, 2010. http://dx.doi.org/10.1115/omae2010-20518.

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The paper considers buckling of unstiffened truncated conical shells under simultaneously acting quasi-static axial compression and an independent external hydrostatic pressure. This is both numerical and experimental study. Domains of combined stability were obtained using the finite element method for a range of geometrical parameters. Cones are clamped at one end and free to move axially at the other end, where all the other degrees of freedom remain constrained. Shells are assumed to be from mild steel and the material is modeled as elastic perfectly plastic. The FE results indicate that t

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