Thematische Bibliographien / 3D ring model

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Auswahl der wissenschaftlichen Literatur zum Thema „3D ring model“

Autor: Grafiati

Veröffentlicht am 30. Juni 2021

Zuletzt aktualisiert am 29. Juli 2025

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Zeitschriftenartikel zum Thema "3D ring model"

Bidone, Tamara C., Haosu Tang, and Dimitrios Vavylonis. "3D Model of Cytokinetic Ring Assembly in Fission Yeast." Biophysical Journal 106, no. 2 (2014): 177a. http://dx.doi.org/10.1016/j.bpj.2013.11.1004.

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Shao, Xue Jiao, Lian Gang Zheng, Li Ping Zhang, and Xiao Long Fu. "Elastic and Plastic Analysis of O-Ring Seal for Reactor Pressure Vessel." Key Engineering Materials 725 (December 2016): 339–44. http://dx.doi.org/10.4028/www.scientific.net/kem.725.339.

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The elasto-plastic analysis for Reactor Pressure Vessel seal is necessary because of nuclear safety is actively demanded. The existed work based on simplified way to simulate the seal ring, such as uniform stress, spring elements, is too conservative. Therefore, it is necessary to simulate seal ring using 3D solid model considering the elasto-plastc deformation. In this paper, the two-dimensional model is adopted to simulate the compressing and springback character of inconel 718 O-ring using nonlinear isotropic hardening constitutive model and contact algorithm. The simulation approach and co

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Zhao, Gang Yao, Ran Yang Zhang, Zheng Hua Guo, Zhan Rong Feng, and Shuai Ying. "A 3D FE Model for Roll Forming of Ring with Complex Cross Section." Advanced Materials Research 538-541 (June 2012): 788–91. http://dx.doi.org/10.4028/www.scientific.net/amr.538-541.788.

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The roll forming process is a technique for forming ring with complex cross section, which widely used in the fields of aviation, aerospace and other high technology industries. To predict and control the roll forming quality, a 3D elastic-plastic finite element (FE) model of ring with complex cross section for roll forming was developed using the explicit code ABAQUS/Explicit. During the modeling process, several key techniques are solved, such as materials modeling, geometry modeling and grid optimal design. Then the reliability of the model was verified. Furthermore, numerical simulation an

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Patel, Vijay K., and Harish Rajak. "Development of Structure Activity Correlation Model on Aroylindole Derivatives as Anticancer Agents." Letters in Drug Design & Discovery 15, no. 2 (2018): 143–53. http://dx.doi.org/10.2174/1570180814666170823161751.

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Background: Aroylindole derivatives, the structural analogs of Combretastatin A-4 has been found to possess potent growth inhibitory activity on several cancer cell lines due to its excellent antitumor and antivascular activities. The aim of present research work is to identify lead and establish structure activity correlation of trimethoxyaroylindole derivatives, using integrated ligand and structure based computational approaches. Materials and Methods: A correlation between structure and biological activity was established using computational approaches i.e., structure activity correlation

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Dlugoš, Jozef, and Pavel Novotný. "Computational Modelling of Piston Ring Dynamics in 3D." Journal of Middle European Construction and Design of Cars 12, no. 3 (2014): 1–7. http://dx.doi.org/10.2478/mecdc-2014-0009.

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Shrnutí Pokročilé výpočtové modely pístní skupiny na základě virtuálních prototypů vyžadují mimo jiné i detailní popis dynamického chování pístního kroužku. Z tohoto hlediska je zřejmé, že pístní kroužky pracují v podmínkách, které obecně nelze zjednodušit na často využívaný osově symetrický model. Píst a vložka válce nemají dokonale kruhový tvar především v důsledku výrobních tolerancí a vnějšího tepelně-mechanického zatížení. V případech, kdy kroužek nedokáže kopírovat deformace vložky, nastane lokální ztráta kontaktu a následně i zvýšený profuk spalin a spotřeba oleje. V současné době využí

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Lim, Jae Hong, Heean Shin, Dong Ah Shin, et al. "Suture tie-down forces and cyclic contractile forces after an undersized tricuspid annuloplasty using a 3-dimensional rigid ring in an ovine model." European Journal of Cardio-Thoracic Surgery 60, no. 2 (2021): 411–17. http://dx.doi.org/10.1093/ejcts/ezab131.

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Abstract OBJECTIVES This study was conducted to measure suture tie-down forces and evaluate cyclic contractile forces (CCFs) in beating hearts after undersized 3-dimensional (3D) rigid-ring tricuspid valve annuloplasty (TAP). METHODS Eight force transducers were attached to the 3D rigid TAP ring. Segments 1 to 8 were attached from the mid-septal to anterior-septal commissural area in a counterclockwise order. Two-sizes-down ring TAPs were performed in 6 sheep. Tie-down forces and CCF were recorded and analysed at the 8 annular segments and at 3 levels of peak right ventricular pressure (RVP: 3

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Lapčević, Veljko, Slavko Torbica, Miloš Stojanović, and Ivica Vojinović. "Development and Validation of Universal 3D Blast Fragmentation Model." Applied Sciences 13, no. 14 (2023): 8316. http://dx.doi.org/10.3390/app13148316.

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The dominant technology in hard rock mining is drilling and blasting; therefore, the importance of fragment size estimation is an essential problem in the mining industry. By using a theoretical foundation that explains rock-fracturing mechanisms by blasting, a 3D fragmentation model with general applicability was developed. The main capabilities of the model are the ability to consider different and complex blasting patterns, both with parallel and non-parallel boreholes, and different explosive and rock properties. The geological input of the model is defined by generating the primary blocks

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Zhao, Yumin, W. Lin, and D. S. Qian. "Numerical Simulation and Experimental Research on the Rolling Process of Large-Scale Aluminum Ring." Materials Science Forum 628-629 (August 2009): 629–34. http://dx.doi.org/10.4028/www.scientific.net/msf.628-629.629.

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In the current study, a 3D elastic-plastic FE model for rolling of large-scale aluminum ring on high-voltage switch is developed under the ABAQUS software environment. Based on the 3D FE model, lots of simulation calculations have been carried out. Through simulation, the internal energy and kinetic energy histories during the process are obtained and the optimal mass scaling factor is determined reasonably. Additionally, the stress and stain field-variables and metal flow laws have also been analyzed in detail. The ring rolling experiment was carried out and the experimental results are in go

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Neugebauer, R., Vladimír Gryc, and Hanuš Vavrčík. "3D modelling of microscopic structure of ring‑porous wood." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 57, no. 5 (2009): 221–28. http://dx.doi.org/10.11118/actaun200957050221.

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Nowadays many scientific 3D models of wood are available. These models are suitable only for simulation of physical fields movements in wood but not for educational purposes especially demonstration of microscopic structure of wood.3D structure of ring-porous hardwood species was created. European ash (Faraxinus excelsior L.) was selected due to its relatively simple wood structure than other wood species within ring-porous group. The model was created by manual modelling process in Rhinoceros 4.0 that is a software for visualization and modelling. Microslides were prepared from sample of ash

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Chen, Guo Qiang, Jian Ping Tan, Xian Wang, and Hui Chen. "3D Nonlinear Contact FEM Analysis of U-Ring Seal Structure." Advanced Materials Research 510 (April 2012): 660–66. http://dx.doi.org/10.4028/www.scientific.net/amr.510.660.

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The U-ring reciprocating seal structure with high pressure was taken as research object; the nonlinear contact characteristics and failure mechanism of U-ring seal were analyzed. Finite element model was build through segmentation and sweep methods, Mooney-Rivlin model was selected to characterize the rubber material, the Generalized Lagrange Multiplier Method were designed as contact algorithm. Based on LS-DYNA software, the 3D nonlinear dynamic simulations of U-ring seal structure were realized under different conditions. The results shows that the maximum contact stress steady increased wit

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Dissertationen zum Thema "3D ring model"

Akurati, Parthasri, and Karan Kumar. "Development of a 3D Ring Dynamics Model For a Heavy-Duty Piston Ring-Pack." Thesis, Blekinge Tekniska Högskola, Institutionen för maskinteknik, 2021. http://urn.kb.se/resolve?urn=urn:nbn:se:bth-21638.

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With the increasing restrictions in emission legislations, the automotive industry aims to improve the efficiency of the lubricating system and to decrease fuel consumption. In the power cylinder unit (PCU), the piston rings are the major contributor to these consumptions. Hence, focus on the dynamic behaviour of the rings to reduce lube oil consumption (LOC) becomes a key factor in thriving towards sustainability. Several studies have been conducted on the piston ring-pack specifically using a 2D ring dynamics approach. This study focuses on developing a 3D ring dynamics model, in the softwar

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Hao, Guoliang. "Imaging of the atria and cardiac conduction system : from experiment to computer modelling." Thesis, University of Manchester, 2013. https://www.research.manchester.ac.uk/portal/en/theses/imaging-of-the-atria-and-cardiac-conduction-system--from-experiment-to-computer-modelling(3e5dba52-70f3-4fa8-890d-adfe2380086c).html.

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Background: Experimental mapping and computer modelling provide important platforms to study the fundamental mechanisms underlying normal and abnormal activation of the heart. However, accurate computer modelling requires detailed anatomical models and needs support and validation from experimental data. Aims: 1) Construction of detailed anatomical heart models with the cardiac conduction system (CCS). 2) Mapping of the electrical activation sequence in rabbit atria to support and validate computer simulation. 3) Mapping of the spontaneous activity in the atrioventricular ring tissues (AV ring

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Elbita, Abdulhakim M., Rami S. R. Qahwaji, Stanley S. Ipson, Mhd Saeed Sharif, and Faruque Ghanchi. "Preparation of 2D sequences of corneal images for 3D model building." 2014. http://hdl.handle.net/10454/7730.

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Yes<br>A confocal microscope provides a sequence of images, at incremental depths, of the various corneal layers and structures. From these, medical practioners can extract clinical information on the state of health of the patient's cornea. In this work we are addressing problems associated with capturing and processing these images including blurring, non-uniform illumination and noise, as well as the displacement of images laterally and in the anterior posterior direction caused by subject movement. The latter may cause some of the captured images to be out of sequence in terms of dept

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Bücher zum Thema "3D ring model"

Horing, Norman J. Morgenstern. Random Phase Approximation Plasma Phenomenology, Semiclassical and Hydrodynamic Models; Electrodynamics. Oxford University Press, 2018. http://dx.doi.org/10.1093/oso/9780198791942.003.0010.

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Chapter 10 reviews both homogeneous and inhomogeneous quantum plasma dielectric response phenomenology starting with the RPA polarizability ring diagram in terms of thermal Green’s functions, also energy eigenfunctions. The homogeneous dynamic, non-local inverse dielectric screening functions (K) are exhibited for 3D, 2D, and 1D, encompassing the non-local plasmon spectra and static shielding (e.g. Friedel oscillations and Debye-Thomas-Fermi shielding). The role of a quantizing magnetic field in K is reviewed. Analytically simpler models are described: the semiclassical and classical limits an

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Buchteile zum Thema "3D ring model"

Wehren-Perret, Simone, and Markus Stoffel. "Tree-Ring Based Rockfall Reconstruction and Accuracy Assessment of a 3D Rockfall Model." In Advances in Global Change Research. Springer Netherlands, 2010. http://dx.doi.org/10.1007/978-90-481-8736-2_14.

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Liu, Jing, Yajie Yang, Douli Ma, Yinghui Wang, and Zhigeng Pan. "A Watermarking Algorithm for 3D Point Cloud Models Using Ring Distribution." In Transactions on Edutainment XIV. Springer Berlin Heidelberg, 2018. http://dx.doi.org/10.1007/978-3-662-56689-3_5.

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ElBaz, Mohammed S. M., Boudewijn P. F. Lelieveldt, Jos J. M. Westenberg, and Rob J. van der Geest. "Automatic Extraction of the 3D Left Ventricular Diastolic Transmitral Vortex Ring from 3D Whole-Heart Phase Contrast MRI Using Laplace-Beltrami Signatures." In Statistical Atlases and Computational Models of the Heart. Imaging and Modelling Challenges. Springer Berlin Heidelberg, 2014. http://dx.doi.org/10.1007/978-3-642-54268-8_24.

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Hou, X. X., S. F. Teng, C. X. Xiong, and Z. Y. Yang. "Effects of Rotating Stall on Flow Patterns and Pressure Pulsation in Clearance Flow Channels of Pump-Turbines." In Lecture Notes in Civil Engineering. Springer Nature Singapore, 2024. http://dx.doi.org/10.1007/978-981-97-9184-2_26.

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AbstractThe clearance flow channel (CFC) of pump-turbine is a thin cavity composed of a runner and head cover or bottom ring, but excessive pressure pulsation in a flat CFC is easy to cause the head cover excitation. At present, there are insufficient studies on the flow patterns, and pressure pulsations in CFC. In this paper, the 3D CFD numerical simulation method was used to reveal the flow patterns, and pressure pulsations in the CFC of a low specific speed pump-turbine under rotational stall condition. The results showed that the stall vortexes rotated in the vaneless region of the main fl

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Kandel, Sita, Godfrey Gumbs, and Oleg L. Berman. "Optical Response of 3D Model Topological Nodal-line Semimetal." In Advances in Nanosheets [Working Title]. IntechOpen, 2023. http://dx.doi.org/10.5772/intechopen.1001440.

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Topological nodal-line semimetals (TNLSM) have attracted significant attention in nanotechnology research due to their novel electronic and optical phenomena. In this work, we present a semi-analytical expression for both longitudinal and transverse optical conductivities of a model TNLSM employing the Kubo formula with emphasis on the optical spectral weight redistribution, deduced from appropriate Green's functions. We considered a simple model of a three-dimensional (3D) TNLSM consisting of a slab containing several nanosheets of single atoms along the $z$ axis. In this semimetal, the condu

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Zheng, Bin, Hongji Jian, and Haoyu Qiu. "Finite Element Analysis of the Main Components of a Gear Rotor Pump." In Advances in Transdisciplinary Engineering. IOS Press, 2023. http://dx.doi.org/10.3233/atde230154.

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With the rapid development of automobiles, people’s demand for high-speed cars is constantly increasing. For a certain rotor pump, this article uses 3D modeling software to establish a solid model of the rotor pump and conduct finite element analysis. According to the original data provided by the manufacturer, the torque of the internal gear and external gear ring of the gear rotor pump during calibration working conditions is calculated to be 12250 N·mm. Then, the finite element simulation was conducted using ANSYS software, including analyzing its structural strength and stiffness, and fini

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Tito Jose Carlos Solis and Romanel Celso. "Numerical Analysis 3D of a Deep Circular Excavation in the City of Rio de Janeiro." In Advances in Soil Mechanics and Geotechnical Engineering. IOS Press, 2014. https://doi.org/10.3233/978-1-61499-464-0-367.

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At present, due to the need for engineering works of large scale, we have the challenge of solving problems related to deep excavations, where instability problems often occur. In this paper is presented the analysis and validation of the excavation of the service well PS &ndash; 39, of the executive project of collectors for treatment of sanitary sewage, located in the city of Rio de Janeiro. This well was constructed using a contention system of a wall of secant column, ring structure type of &ldquo;shotcrete&rdquo; covering the columns, and a slab of &ldquo;jet grouting&

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Kumar B., Bylski-Austrow D.I., and Liu Y. "Finite element model of spinal hemiepiphysiodesis: Effect of contact conditions, initial conditions, and growth." In Studies in Health Technology and Informatics. IOS Press, 2012. https://doi.org/10.3233/978-1-61499-067-3-99.

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Growth modification is under investigation to treat pediatric spine deformities. A hemiepiphyseal staple construct has been shown to alter growth and create physeal structural gradients in an in vivo porcine model. A finite element model (FEM) of a motion segment with and without implant was developed based on preliminary experimental results of initial post-operative motion segment compressive properties. The nonlinear tangent stiffness determined from the model correlated well with the experiments for the native segment, whereas after addition of the implant, the model overestimated the stif

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Hu, Jiang, and Fuheng Ma. "Structural Diagnosis and Performance Assessment of Existing Masonry Aqueducts with Unknown Geometry." In Advances in Transdisciplinary Engineering. IOS Press, 2021. http://dx.doi.org/10.3233/atde210213.

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Masonry arch aqueducts, as important hydraulic structures, constitute an meaningful part of old irrigation infrastructures in China. The constituent materials deteriorate over time, caused by weathering processes and the defect development, influences the mechanical performance of these structures. The paper presents a comprehensive approach to evaluate the structural safety of an old masonry aqueduct with uncertain mechanical parameters and unknown geometric dimensions. This approach employed the 3D terrestrial laser scanning (TLS) to measure the geometric dimensions, and the discrete element

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"Watermarking of 3D Triangular Mesh Models Using Ordered Ring Facets." In Communication, Signal Processing & Information Technology. De Gruyter Oldenbourg, 2017. http://dx.doi.org/10.1515/9783110448399-005.

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Konferenzberichte zum Thema "3D ring model"

Aguilar, Aaron, Fabio Arroyo, Phil Dent, Sebastian Cravero, João Costa, and Philippe Darcis. "Full Ring Test in Sour Environment - Importance of Testing Set-Up and Strain Monitoring." In CONFERENCE 2024. AMPP, 2024. https://doi.org/10.5006/c2024-20997.

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Abstract Full ring ovalization test is performed in line pipe to assess the susceptibility to sulfide stress cracking when the material is subjected to load and sour service conditions. A full ring test was performed under BS 8701 standard1 for a 36 inches welded line pipe, X65 material. The region of interest was monitored with strain gauges to control loading at the required stress level. After test completion, the NDT and visual inspection reported indications in some areas out of the region of interest. A detailed analysis was performed to find out the sources of indications. The study inc

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Lee, Hosuk, Gennady A. Smolyakov, and Marek Osiński. "Reciprocity Principle and Structure-Induced Asymmetry between Counterpropagating Modes in Whistle-Geometry Ring Lasers." In CLEO: Applications and Technology. Optica Publishing Group, 2024. http://dx.doi.org/10.1364/cleo_at.2024.jtu2a.37.

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The asymmetry between the counterpropagating modes in whistle-geometry semiconductor ring lasers might be misconstrued as a violation of the Helmholtz reciprocity principle. We confirm the unidirectionality of the whistle-geometry configuration through rigorous 3D FDTD simulation.

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Liu, Liang, and Tian Tian. "A Three-Dimensional Model for Piston Ring-Pack Dynamics and Blow-By Gas Flow." In ASME 2004 Internal Combustion Engine Division Fall Technical Conference. ASMEDC, 2004. http://dx.doi.org/10.1115/icef2004-0968.

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A three-dimensional (3D) model for piston ring-pack dynamics and blow-by gas flow was developed to enable more in-depth analyses of the ring-pack performance. This model predicts the 3D dynamic behavior of compression rings and twin-land oil control ring due to the ring’s non-axisymmetric properties, bore distortion and piston secondary motion. Finite element beam theory is used for ring structure calculation. Gas flows along the axial and circumferential directions of the power cylinder system are resolved simultaneously with the ring dynamics. The model was applied to a heavy-duty diesel eng

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Wu, Zhengkai, Thomas M. Tucker, Chandra Nath, Thomas R. Kurfess, and Richard W. Vuduc. "Step Ring Based 3D Path Planning via GPU Simulation for Subtractive 3D Printing." In ASME 2016 11th International Manufacturing Science and Engineering Conference. American Society of Mechanical Engineers, 2016. http://dx.doi.org/10.1115/msec2016-8751.

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In this paper, both software model visualization with path simulation and associated machining product are produced based on the step ring based 3-axis path planning to demo model-driven graphics processing unit (GPU) feature in tool path planning and 3D image model classification by GPU simulation. Subtractive 3D printing (i.e., 3D machining) is represented as integration between 3D printing modeling and CNC machining via GPU simulated software. Path planning is applied through material surface removal visualization in high resolution and 3D path simulation via ring selective path planning ba

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Bidone, Tamara Carla, Haosu Tang, and Dimitrios Vavylonis. "Insights Into the Mechanics of Cytokinetic Ring Assembly Using 3D Modeling." In ASME 2014 International Mechanical Engineering Congress and Exposition. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/imece2014-39006.

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During fission yeast cytokinesis, actin filaments nucleated by cortical formin Cdc12 are captured by myosin motors bound to a band of cortical nodes. The myosin motors exert forces that pull nodes together into a contractile ring. Cross-linking interactions help align actin filaments and nodes into a single bundle. Mutations in the myosin motor domain and changes in the concentration of cross-linkers alpha-actinin and fimbrin alter the morphology of the condensing network, leading to clumps, rings or extended meshworks. How the contractile tension developing during ring formation depends on th

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Manne, Venkata Harish Babu, Sanjeev Bedekar, Chiranth Srinivasan, Debasis Das, and Raj Ranganathan. "3D CFD Analysis of Predicting Engine Blowby Considering Ring Dynamics." In WCX SAE World Congress Experience. SAE International, 2025. https://doi.org/10.4271/2025-01-8622.

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<div class="section abstract"><div class="htmlview paragraph">This paper reports on the development of a simulation model to predict engine blowby flow rates for a common rail DI diesel engine. The model is a transient, three-dimensional computational fluid dynamics (CFD) model. Managing blowby flow rates is beneficial for managing fuel economy and oil consumption. In doing so, an improved understanding of the blowby phenomenon is also possible. A mesh for the sub-micron level clearances (up to 0.5 microns) within the piston ring pack is created using a novel approach. Commercial C

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Li, Bin, Xiaobo Yang, and James Yang. "Validation of a Newly Proposed 3D Flexible Ring Tire Model Through Adams FTire Full-Vehicle Simulations." In ASME 2018 International Design Engineering Technical Conferences and Computers and Information in Engineering Conference. American Society of Mechanical Engineers, 2018. http://dx.doi.org/10.1115/detc2018-85597.

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Flexible ring tire models are widely used for vehicle durability and ride comfort analysis. In our previous research, a novel 3D flexible ring tire model was proposed, and the model’s parameter identification and predictability were illustrated based on various tire cleat tests. To further demonstrate its capability, this paper applies the tire model in a full-vehicle model for various full vehicle bump tests with different driving speeds and cleat orientations in Matlab programing. The tire model and the full-vehicle model are connected through a suspension system, with the suspension spring

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Ding, Hui, Yu Jiang, Hao Wu, and Jian Wang. "Two Phase Flow Simulation of Water Ring Vacuum Pump Using VOF Model." In ASME/JSME/KSME 2015 Joint Fluids Engineering Conference. American Society of Mechanical Engineers, 2015. http://dx.doi.org/10.1115/ajkfluids2015-33654.

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Due to the complex two phase flow, CFD simulation of liquid ring pump used to be extremely challenging. Using a recently developed Volume of Fluid (VOF) two phase flow model, this paper presents a 3D transient CFD model for a water ring vacuum pump. The test simulations show that the new VOF model is very robust and can catch most of the important physics when applied to a industrial water ring vacuum pump. Model formulation and problem setup will be presented in detail in the paper. Important issues that could affect the simulation results will be discussed. Water ring pump flow field charact

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Cheng, Chao, Ali Kharazmi, Harold Schock, Richard Wineland, and Larry Brombolich. "Three Dimensional Piston Ring-Cylinder Bore Contact Modeling." In ASME 2014 Internal Combustion Engine Division Fall Technical Conference. American Society of Mechanical Engineers, 2014. http://dx.doi.org/10.1115/icef2014-5672.

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Increasing durability, preventing knocking combustion, improving fuel efficiency and reducing pollutant emission characterize the needs for modern internal combustion engine design. These factors are highly influenced by the power cylinder system design. In particular, the piston ring to cylinder bore contact force distribution around the circumference of the piston rings must be optimized under all running conditions. To accomplish this, the ring manufacturers make the ring curvature non-constant along the circumference. Most existing analytical tools are not able to simulate the variation al

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Li, Fu, Umberto Villa, and Mark A. Anastasio. "A learning-based method for compensating 3D-2D model mismatch in ring-array ultrasound computed tomography." In Ultrasonic Imaging and Tomography, edited by Nick Bottenus and Christian Boehm. SPIE, 2024. http://dx.doi.org/10.1117/12.3006968.

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Berichte der Organisationen zum Thema "3D ring model"

Yang, Xi. Compare low-gain 1D and 3D models toward a storage ring-based X-ray free-electron-laser oscillator. Office of Scientific and Technical Information (OSTI), 2025. https://doi.org/10.2172/2572786.

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