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  • Three-dimensional Navier-Stokes simulations of

    2012-5-23 · Three-dimensional Navier-Stokes simulations of turbine rotor-stator interaction. Part I - Methodology. Man Mohan Rai. Man Mohan Rai. NASA Ames Research Center, Moffett Field, …

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  • Three-Dimensional Inclination of the Dental ... - Allen

    2001-8-1 · The 3-dimensional arrangement of teeth in a normal, healthy human dentition follows some general rules. For instance, the occlusal surfaces of teeth in the mandibular arch have been described as tangent to a 100-mm (or 4-inch) sphere, which was first described by Monson about 80 years ago.1 This global spatial disposition, which also has recently been measured in different age groups,2,3 ...

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  • Three-Dimensional Analysis of Dental Casts ... - Allen

    2003-9-1 · Recently, a more accurate quantification of dental cast information has become possible as a result of advances in the application of three-dimensional (3-D) measuring devices to dentistry.9 Motohashi and Kuroda10 simulated orthognathic surgery on digital images based on 3-D information from dental …

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  • Three-Dimensional Design Method for Long Blades of

    2010-12-22 · A new blade design method for steam turbines using the fourth-degree NURBS surface was developed. The method enables engineers to easily generate three-dimensional complex blade shapes that have inherently good aerodynamic performance and constraint satisfaction. The developed design method has three steps.

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  • CHAPTER 9 Design and optimization of Turbo ... - WIT

    2014-5-10 · three-dimensional blade. Normally, some three dimensional optimization pro-cesses are used to continue optimizing the design [1–9]. In inverse design method [5], normally Euler equations with modifi ed boundary conditions were used for an iterative procedure to search the desired design.

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  • A Novel Method for the Assessment of Three

    2009-5-1 · Materials and Methods: The sample consisted of dental casts obtained from 10 patients treated with extraction of bilateral maxillary first premolars and placement of three palatal miniscrews as anchorage for retraction of the anterior teeth. Dental casts were measured by means of laser surface scanning system, and three-dimensional images were reconstructed.

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  • (PDF) Development of three-dimensional patient face

    Development of three-dimensional patient face model that enables real-time collision detection and cutting operation for a dental simulator Dental Materials Journal, 2012 Satoshi Yamaguchi

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  • VOXEL-MAN TempoSurg | 3D Systems

    2021-6-18 · VOXEL-MAN TempoSurg. The VOXEL-MAN TempoSurg simulator for petrous bone surgery is a unique tool for training of surgical access to the middle ear. The system is based on a selection of three-dimensional models of the skull base derived from high-resolution CT data. The trainee sees the scene displayed in stereoscopic mode through a mirror and ...

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  • Three-dimensional surgical guide approach to ... -

    2020-12-29 · SSRO causes a sudden repositioning of the condyle in the fossa, which increases the mechanical load in the joint. 1,4 In some patients, the remodeling capacity of their TMJ is exceeded by the functional demands of these sudden changes, and the condyles will resorb. 2 To minimize this problem, it is necessary to maintain the position of the condyle to avoid its abnormal rotation while …

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  • Fluid Mechanics, Thermodynamics of Turbomachinery

    2014-9-9 · three-dimensional flows in axial turbomachines has been extended; in particular the section concerning the constant specific mass flow design of a turbine nozzle has been clarified and now includes the flow equations for a following rotor row.

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  • Aims Press-Three-dimensional mandibular motion

    2020-8-28 · The aim of this study was to develop a prototype three-dimensional optical motion capture system based on binocular stereo vision, Back-propagation (BP) Neural Network and 3D compen-sation method for accurate and real-time recording of mandibular movement. A specialized 3D method of compensation to eliminate the involuntary vibration motions by human heart beating and respiration.

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  • Three-Dimensional Analysis of Dental Casts ... - Allen

    2003-9-1 · Recently, a more accurate quantification of dental cast information has become possible as a result of advances in the application of three-dimensional (3-D) measuring devices to dentistry.9 Motohashi and Kuroda10 simulated orthognathic surgery on digital images based on 3-D information from dental …

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  • Investigating Three-Dimensional and Rotational

    2000-2-22 · Three-dimensional and rotational viscous effects on wind turbine blades are investigated by means of a quasi-3D Navier-Stokes model. The governing equations of the model are derived from the 3-D primitive variable Navier-Stokes equations written in …

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  • Three-Dimensional Design Method for Long Blades of

    2010-12-22 · Three-Dimensional Design Method for Long Blades of Steam Turbines Using Fourth-Degree NURBS Surface ... fewer man-hours are needed for design work and better proficiency is not a significant requirement. Second, the number of control points and knot vectors are equalized for all aerofoils by inserting or removing knots and fitting the divergent ...

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  • Three-dimensional surgical guide approach to ... -

    2020-12-29 · Three-dimensional surgical guide approach to correcting skeletal Class II malocclusion with idiopathic condylar resorption ... an 18-year-old Mongolian man, presented to the Department of Orthodontics, West China School of Stomatology. ... His maxillary dental midline was coincident with the facial midline, while the mandibular dental midline ...

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  • CHAPTER 9 Design and optimization of Turbo ... - WIT Press

    2014-5-10 · three-dimensional blade. Normally, some three dimensional optimization pro-cesses are used to continue optimizing the design [1–9]. In inverse design method [5], normally Euler equations with modifi ed boundary conditions were used for an iterative procedure to search the desired design.

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  • A Novel Method for the Assessment of Three

    2009-5-1 · Objective: To (1) evaluate the stability of palatal rugae as landmarks for superimposition of dental casts and (2) establish a three-dimensional superimposition method of maxillary dental casts for analyzing orthodontic tooth movement. Materials and Methods: The sample consisted of dental casts obtained from 10 patients treated with extraction of bilateral maxillary first premolars and ...

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  • Three-dimensional evaluation of skeletal and dental ...

    RESULTS: The three-dimensional changes in condylar position were insignificant after surgical-orthodontic treatment in either group (P > 0.05).However, in the one-jaw surgery group, there were significant backward rotations of the condyle and ramus on the nondeviated side (P < 0.05), and the condyle on the deviated side rotated inward and forward significantly in the two-jaw surgery group (P ...

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  • Press - Auro-3D Auro Technologies : Three

    2014-1-29 · Rancho Cordova, Calif., USA – 26 March 2014 – Barco, the worldwide market share leader in digital cinema, further expands its footprint of the Auro 11.1 immersive cinema sound solution, with current installations at over 150 screens around the world and another 300 committed for deployment in 2014, while adding a powerful slate of upcoming ...

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  • Application of a real-time three-dimensional

    2014-5-9 · The aim of this study was to confirm the effectiveness of a real-time three-dimensional navigation system for use during various oral and maxillofacial surgeries. Five surgeries were performed with this real-time three-dimensional navigation system. For mandibular surgery, patients wore acrylic surgical splints when they underwent computed tomography examinations and the operation to …

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  • Vision System 3D | Hexagon MI

    2014-8-7 · Performance of an axial exhaust diffuser downstream of an un-shrouded turbine rotor is computationally analyzed. Three-dimensional analysis of two turbine stage-exhaust diffuser configurations has been performed. In one case, the turbine rotor is shrouded and in the second case, the rotor is un-shrouded.

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  • Performance analysis of an axial exhaust ... - WIT Press

    2014-11-6 · A three-dimensional model for the initial evolution of dental caries was considered. We took into account the diffusion of two main compounds, hydrogen ions H and calcium ions c, and the reaction at the surface of the enamel prisms.

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  • On the initial propagation of dental caries | Journal of ...

    David Booth, a founder of Dimensional Fund Advisors in 1981, is the firm’s Executive Chairman. David has won numerous awards for his accomplishments in applying financial theory and research to the practical world of asset management, and has written numerous articles, particularly for his pioneering work in indexing and small capitalization investing.

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  • Auro-3D Auro Technologies : Three-dimensional sound

    The simulation of three-dimensional turbulent flow through a Pump-Turbine draft tube at turbine mode, as a part of the complete pump-turbine calculation is presented in this paper. Four cases were calculated based on the Computational Fluid Dynamics – CFD Methodology (Navier-Stokes equations and the k-ε turbulent model). Those four cases were: 1.

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  • Our People | Dimensional

    2020-8-1 · Wang, D. Wang, Y. Zhang, L. Ma, Y. Sun, and P. Lv, An automatic robotic system for three- dimensional tooth crown preparation using a picosecond laser, Lasers in Surgery and Medicine, In press 14. Dangxiao Wang, Yuru Zhang, Jun Wu, “A hierarchical model of motor skill for haptic-assisted virtual reality training,” The International Journal of Virtual Reality, 2010, 9(3):75-81

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  • 64. Numerical Three-Dimensional Turbulent Flow

    The combination of ship gas turbine working at special environment, this article pass through the study of base oil and composite additive, developed an application marine environment of the ship gas turbine reducer lubricants. According to comprehensive performance assessment, the product has excellent high-temperature anti-oxidant, anti-wear, corrosion inhibition and anti-foam performance.

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  • (PDF) Numerical Investigation of Three-Dimensional ...

    Numerical investigation of three-dimensional effects in Richtmyer-Meshkov induced mixing processes By V. Tritschler Computational fluid dynamics and experimental study of the hydrodynamics of a gas–solid tapered fluidized bed

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  • Home Page: Oral Surgery, Oral Medicine, Oral

    About OOOO. Oral Surgery, Oral Medicine, Oral Pathology, Oral Radiology is required for all clinicians involved in the diagnosis and treatment of oral and maxillofacial disease. It is the only major dental journal that provides comprehensive and complementary information regarding the diagnosis and treatment of oral and maxillofacial conditions ...

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  • Center for Oral & Dental Implant Surgery, P.A. - Home ...

    The topics are weak, strong, and global interaction, the locality principle, properties of three-dimensional viscous flow, thermal surface effects, characteristic properties, wall compatibility conditions, connections between inviscid and viscous flow, flow topology, quasi-one- and two-dimensional flows, laminar-turbulent transition and turbulence.

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  • Three Dimensional Attached Viscous Flow [PDF]

    A three-dimensional (3D) non-reflecting boundary condition for linearized flow solvers is presented. The unsteady aerodynamic modes at the inlet and outlet (far-field) are numerically determined by solving an eigen problem for the semi-discretized flow equations on a two-dimensional mesh.

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  • Three-Dimensional Non-Reflecting Boundary

    2020-9-3 · Tokyo, Japan –Heart development as it happens in vivo, or in a living organism, is a complex process that has traditionally been difficult to mimic in vitro, or in the laboratory.In a new study, researchers from Tokyo Medical and Dental University (TMDU) developed three-dimensional functional heart organoids from mouse embryonic stem cells that closely resemble the developing heart.

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  • Generation of three-dimensional heart

    2021-7-10 · Three.js – JavaScript 3D Library ... submit project

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  • Three.js – JavaScript 3D Library

    3D printing or additive manufacturing is a process of making three dimensional solid objects from a digital file. The creation of a 3D printed object is achieved using additive processes. In an additive process an object is created by laying down successive layers of material until the object is created. Each of these layers can be seen as a ...

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  • What is 3D printing? How does a 3D printer work?

    2012-5-17 · Surrogate based optimization of a Bi-Directional impulse turbine for OWC-WEC: Effect of guide vane lean and stagger angle for pseudo-sinusoidal wave conditions Ocean Engineering, Vol. 226 Investigation of the tip injection for stall control in a transonic compressor with inlet distortion

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  • Modeling of Three-Dimensional Viscous Compressible ...

    2018-5-24 · , “ Three dimensional numerical simulations of a straight-bladed vertical axis tidal turbine,” in 18th Australasian Fluid Mechanics Conference, USB (2012), pp. …

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  • A Study of the Three-Dimensional Unsteady Real-Gas

    In this paper we investigate the three-dimensional unsteady real-gas flows which occur within Organic Rankine Cycle (ORC) turbines. A radial-inflow turbine stage operating with supersonic vane exit flows (M 1.4) is simulated using a RANS solver which includes real-gas effects.Steady CFD simulations show that small changes in the inducer shape can have a significant effect on turbine ...

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  • What is 3D printing? How does a 3D printer work?

    3D printing or additive manufacturing is a process of making three dimensional solid objects from a digital file. The creation of a 3D printed object is achieved using additive processes. In an additive process an object is created by laying down successive layers of material until the object is created. Each of these layers can be seen as a ...

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  • Three‐Dimensional Tissue Models of Normal and

    2008-12-1 · Over the last decade, the development of in vitro, human, three-dimensional (3D) tissue models, known as human skin equivalents (HSEs), has furthered understanding of epidermal cell biology and provided novel experimental systems.

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  • Automated syndrome diagnosis by three-dimensional

    2020-6-1 · Methods. We analyzed variation in three-dimensional (3D) facial images of 7057 subjects: 3327 with 396 different syndromes, 727 of their relatives, and 3003 unrelated, unaffected subjects. We ...

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  • ProJet MJP Wax Investment Casting Patterns Let

    2014-12-24 · A three-dimensional Navier-Stokes code has been used to compute the heat transfer coefficient on two film-cooled turbine blades, namely the VKI rotor with six rows of cooling holes including three rows on the shower head, and the C3X vane with nine rows of …

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  • Comparison of Two-Equation Turbulence Models for ...

    2013-10-31 · A three-dimensional (3D) image can be reconstructed from source axial multidetector computed tomography (MDCT) images to visualize orbital tumors. To assess the utility of 3D images in this setting, the 3D images were reconstructed retrospectively for 20 patients with an orbital tumor and compared to two-dimensional (2D) orthogonal MDCT studies.

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  • Three-Dimensional Multidetector CT for Anatomic

    2014-12-23 · Water was used as the test liquid with pressure drops of 68.9, 172.3 & 689 kPa, while the air pressure drops were 2.49 & 34.5 kPa. PDPA data were obtained at three different axial distances from the nozzle exit (x = 2.5 (or 7), 17 & 40 mm). In the numerical simulations, the three-dimensional flow field for both air and liquid was computed.

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  • Spray Characteristics of an Airblast-Simplex Nozzle for ...

    2021-7-10 · Three.js – JavaScript 3D Library ... submit project

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  • Three.js – JavaScript 3D Library

    Systems and methods for fabricating three-dimensional objects. The system includes an optical imaging system providing a light source; a photosensitive medium adapted to change states upon exposure to a portion of the light source from the optical imaging system; a control system for controlling movement of the optical imaging system, wherein the optical imaging system moves continuously above ...

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