A 3D modeling

In this study, a 3D-model of a four-stroke, single-cylinder diesel engine was built using AVL Fire software to evaluate the influence of injector geometry parameters on engine characteristics. The results have shown that, with the injection pressure reaching 3000 (bar), and the turbocharger pressure maintained at 0.15 (MPa), the engine achieves the maximum power and the minimum brake fuel consumption when the angle between the axis of the nozzle hole and the axis of the fuel injection nozzle is 150 degrees.

14p viwalton 02-07-2024 1 1   Download

In this paper, the authors present a method to solve these problems. Wherein, the motion of targets is represented in the mixed coordinate system 3D base on combining PHD (Probability Hypothesis Density) and JPDA (Joint Probability Data Association). This method can track multiple targets in the most general case, that is to change the target number, system model and measurement model which is non-linear as the noise is non-Gaussian.

9p viambani 18-06-2024 3 1   Download

In the paper "Finite element analysis for the composite sandwich plate using the homogenization method", we propose a homogeneous model for the composite sandwich plate. Accordingly, the 3D plate model will be replaced by a 2D homogeneous panel. Analytical calculations were performed for both models. The proposed model is confirmed by comparing the results obtained with the 3D plate model. The findings of this research will help us continue to build and finalize a homogenous model for a variety of structures.

7p dathienlang1012 03-05-2024 1 0   Download

The 3D printing PMMA/ZrO2 filaments with a diameter of 1.75±0.05 mm were fabricated by using a single-screw extruder at temperatures of four heating zones of 190, 200, 210, and 210°C. Testing samples were prepared from the extruded filaments by using a fusion deposition modeling 3D printer and a Haake MiniJet piston injection molding machine. Fourier transform infrared spectroscopy, mechanical properties, field emission scanning electron microscopy (FESEM), differential scanning calorimetry, and thermogravimetric analysis of the filaments were investigated.

9p dianmotminh02 03-05-2024 1 1   Download

This study revealed that the major contributing descriptors of 2D QSAR studies are DeltaEpsilonB and DeltaPsiA and 3D QSAR model proves the steric as well as electrostatic effects determine the binding affinity for the drug development. The results of the current computational studies are useful for further designing novel chemical entities of anti-microbial agent.

19p dianmotminh02 03-05-2024 5 2   Download

This paper presents the time history response of a sandwich beam with a porous core subjected to two moving harmonic loads with opposite directions. In the modelling, the beam is combined of two isotropic face sheets and a porous core with symmetric porosity distribution. The quasi-3D shear deformation beam theory in conjunction with Hamilton’s variational principle is utilized to set up the governing equations of motion. The Navier solution is used to obtain the displacement field.

14p dianmotminh02 03-05-2024 6 2   Download

This paper presents a developed three-dimensional (3D) finite element model (FEM) of flexural and shear strengthening of reinforced concrete (RC) T-beams using a CFRP (Carbon Fiber-Reinforced Polymer) system combined by near-surface mounted (NSM) strips and U-wraps subjected by asymmetric loading. The 3D FEM was verified by experimental results.

18p viohoyo 25-04-2024 4 2   Download

This study simulates a mountain road tunnel using finite element analyses. Thenumericalcalculations will be obtained and discussed to predict ground deformation stress changes around the tunnel opening and final displacements in each construction stage.

6p vijaychest 24-04-2024 8 3   Download

This research aims to build a parametric model for the 3D profile of the VIKYNO RV165-2 engine intake line. By changing the value of parameter variables in the model through SolidWorks software, it is able to design and change the 3D profile design of the intake manifold.

8p vijaychest 24-04-2024 4 2   Download

In the study "Building a 3D information model for underground coal mines" a 3D information model for a mine is built using BIM. The Industry Foundation Classes (IFC) standard is used to define the mining information model. Point clouds collected by Terrestrial laser scanning (TLS) provide geometric and attributive information for building BIM models. This information model was applied to the NUI BEO underground coal mine. The information model was built for important structures of the mine, including the mine shaft and tunnels.

15p tukhauquantuong1011 22-04-2024 2 2   Download

Ebook "New synthetic routes to polyoxometalate containing ionic liquids: An investigation of their properties" carried out fundamental investigations into the development of polyoxometalate based ionic liquids (POM-ILs). The POM-ILs were obtained by charge balancing inorganic polyoxometalate (POM) anions with sterically demanding tetraalkylammonium or tetraalkylphosphonium cations.

138p tudohanhtau1006 29-03-2024 3 1   Download

The spillway is one of the most important construction components in the irrigation system; it is the key to ensuring the safety of the reservoir. In this study, the 3D-Fluent numerical model is used to simulate the hydraulic regime in the Ta Hoet spillway. The 8 simulation cases include different gate opening modes and variable flood flows.

9p viellison 28-03-2024 3 1   Download

Ebook "3D, 4D and predictive modelling of major mineral belts in Europe" presents the results of the major EU project Promine. For the first time there is now a European database available on mineral deposits, as well as 3D, 4D and predictive models of major mineral belts in Europe: Fennoscandia (Skellefteå and Vihanti-Pyhäsalmi), the Fore-Sudetic basin (Kupferschiefer deposits in Poland and Germany), the Hellenic belt in northern Greece, and the Iberian Pyrite belt and Ossa Morena zone in Spain and Portugal.

330p duongthandue0501 28-02-2024 4 1   Download

Ebook "Full-3D seismic waveform inversion: Theory, software and practice" introduces a methodology for solving the seismic inverse problem using purely numerical solutions built on 3D wave equations and which is free of the approximations or simplifications that are common in classical seismic inversion methodologies and therefore applicable to arbitrary 3D geological media and seismic source models. Source codes provided allow readers to experiment with the calculations demonstrated and also explore their own applications.

543p duongthandue0501 28-02-2024 6 1   Download

Part 2 book "An introduction to veterinary medicine engineering" includes content: Functional sensory and biomedical applications of cellulose nanocrystals as a sustainable source of material, introduction to veterinary engineering teaching veterinary anatomy - How biomedical engineering has changed its course, designing immersive environments for extreme environments, 3d printed models for veterinary anatomy teaching,.... and other contents.

91p muasambanhan07 20-02-2024 1 0   Download

Part 1 book "Internal combustion engines improving performance, fuel economy and emissions" includes content: Development and assessment of an integrated 1D-3D CFD codes coupling methodology for diesel engine combustion simulation and optimization; investigation on an injection strategy optimization for diesel engines using a one dimensional spray model; a control oriented engine torque online estimation approach for gasoline engines based on in cycle crankshaft speed dynamics,... and other contents.

155p muasambanhan07 18-02-2024 5 2   Download

Part 1 book "Information processing in medical imaging" includes content: A shape guided deformable modelwith evolutionary algorithm initializationfor 3D soft tissue segmentation, shape regression machine, active mean fields - solving the mean fieldapproximation in the level set framework, liver segmentation using sparse 3D prior models withoptimal data support,... and other contents.

412p muasambanhan07 20-02-2024 2 0   Download

Part 2 book "3D printing in medicine - A practical guide for medical professionals" includes content: Cardiovascular 3D printing, musculoskeletal 3D printing, 3D printing and patient matched implants, FDA regulatory pathways and technical considerations for the 3D printing of medical models and devices, quality and safety of 3D printed medical models, virtual reality.

75p muasambanhan07 18-02-2024 4 1   Download

Ebook "Computational systems-biology and bioinformatics: First international conference, CSBio 2010 Bangkok, Thailand, November 3-5, 2010 proceedings" covered 16 countries worldwide and there were over 60 authors in the conference proceedings. The technical sessions were divided into five topical categories. Technical highlights included a keynote speech by Michael Brudno (Canada Research Chair in Computational Biology) and plenary talks by Nikhil R. Pal, Sung-Bae Cho, Yaochu Jin, and David W. Ussery.

237p tachieuhoa 28-01-2024 8 2   Download

This papers presents the dynamic model of a 3D inverted pendulum model and applies to balanced motion planning for a humanoid robot. The obtained results show that the robot is able to keep balance during its movements.

10p vimarillynhewson 02-01-2024 8 4   Download