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DEFORM-3D is a finite element method (FEM) software that can perfectly simulate cutting process of materials. In order to research the cutting process of titanium, using DEFORM-3D software as a platform, through FEM on modeling and simulation to the cutting of TC4, the influence rule of cutting depth...

As VR (virtual reality) technology gets better and better, VR reality course teaching realizes the transformation of teaching scenes, cultivates students’ interests, and effectively improves the teaching effect. Under the background of the extensive promotion of VR, virtual reality technology has been...

The three-dimensional information of the badminton was obtained with epipolar constrain after the cameras of the badminton Hawkeye system were calibrated. The three-dimensional space coordinate of the badminton mass center was got and the flying curve of the badminton was fitted, which have laid a foundation...

In 3D games, pathfinding function is very common. The design can not only let the game player need not control the main body role through the keyboard and mouse blindly and arrive at the designated location more quickly to complete the task, but also can active AI roles and make the games fun to make...

The independent smoke detector play a very important role in the prevention and control of fire. Combine BIM technology with GIS technology to improve the level of emergency services and fire control, reduce fire risk, improve the depth of 3D information technology and the ability of fire warning. Firstly,...

This paper mainly addresses design of retracting mechanism based on amphibious vehicle's low speed and strong resistance in water. Through analyzing problems faced in the design of amphibious vehicle, one kind of retracting mechanism based on double-wishbone independent suspension is proposed. The equations...

This paper introduces the Polarization 3D technology and Active Shutter 3D technology, expounds the image quality index of 3D TV. This paper introduce the measurement of brightness /chroma/crosstalk/viewing angle. This paper propose center point measurement of 3D TV Eyes crosstalk testing method, enhances...

The injection of wax pattern and the solidification of the metal are both essential procedures and having the major influences on the final dimensions. However, the main casting process steps and casting geometry affecting the dimensional shrinkage wasn’t quantitatively studied. In this study, dimensional...

Focus variation is an optical contact-free method that allows the measurement of 3D surface metrology using optics with limited depths of field and vertical scanning. It was documented in the ISO 25178-6 for the first time in 2010. Based on this method, two categories of typical instruments are described...

Objective: to solve cultivation equipment problems for industrial cultivation of sprout, sprout aeroponics equipment that features vertical cultivation, aeroponics, ozone sterilization, water magnetization, automatic control technology and etc., is designed in this paper. Methods: SolidWorks 3D design...

The traditional power safety training methods are difficult to achieve a good training effect. In this paper, an entity emulation system for power safety training based on the three-dimensional stereo vision and the wireless communication technology is presented. A real-time 3D motion capture unit based...

The 3D virtual campus is the foundation of campus digitalization. The three-dimensional virtual campus can not only simulate the real campus scene, but also has a strong human-computer interaction function, can be used to control the virtual characters through the mouse and keyboard to roam the campus....

Hand gesture recognition is an important topic in the field of computer vision, it has a wide range of applications, such as interactive games and sign language recognition, etc.. With the launch of the depth sensor, the task of hand gesture recognition becomes more simple. In recent years, there are...

The thesis obtains the data with the help of Kinect, combined with the platform of unity3D to research 3D virtual fitting. Using the stroke and a matching algorithm of hidden Markov chain model to establish the corresponding relationship between contour of the human body and the human body model. It...

This work represents the Development and realization on 3-bit Vedic Arithmetic Multiplier anchored in MAC Unit in FinFET Technology. Nowadays for designing any Integrated Circuit, Delay and power should be low to make IC more advantageous. We opted for FinFET Technology because of its advantages over...

With the acceleration of urbanization process and the improvement of social and economic development, leisure agriculture attracts more and more urban consumers. At the same time, the development of leisure agriculture and rural tourism has promoted me national agricultural development strategy, strategic...

Augmented reality technology is a new technology developed on the basis of virtual reality technology, which is a new development of virtual reality technology. The key of augmented reality technology is to integrate the 3D virtual objects generated by computer with the objects in the real scene, so...

This paper first introduce the H.264 video codec standard briefly, then analyze the inter-frame motion estimation in H.264. After that we propose an optimaized algorithm and the corresponding architecture. A pipeline-architecture was proposed with scaled searching algorithm based on the analysis to the...

In order to research the loss and heat of damper bars on the asymmetric load condtions, a multi-slice moving electromagnetic field-circuit coupling FE model of tubular hydro-generator and a 3D temperature field FE model of the rotor are built respectively. And the loss and heat of damper bars at the...

A 3D meso-mechanical model is introduced herein to estimate the elastic properties of concrete materials on the basis of the assumption that concrete can be considered as a three-phase material which contains cement mortar, aggregates and interfacial transition zone (ITZ). The influences of aggregate...

With the digital city and smart city building, as a geographical information system of urban underground pipe network has become one of the hottest urban lifeline nowadays research. In this paper, 3D visualization of the underground pipe network GIS background, 3D study of the underground pipe network...

The phenomena often appears that sea surface is above land, island is under sea surface and distortion of building inter-island in conflux area of water and land when creating three-dimensional image using fusing DEM and image. The paper introduced a fast method of modifying DEM and creating three-dimensional...

Firstly, we created the 3D model of crankshaft used HT-A150 engine in the tractor. Secondly, we cumulated the loads of the crankshaft when it was working at the most dangerous state. At last we conducted stress and strain simulations about the crankshaft manufactured by two sorts of materials by analysis...

Reverse engineering is an important way to transmit information in modern manufacture technology. Reverse engineering technology widely applied in the automobile and aviation industry. Surface reconstruction of scattered point-cloud is a key part in the operation process of reverse engineering. Firstly,...

With the current development of information technology in sports training in computer-aided training has become increasingly common to achieve a sports training video feedback analysis system, through pattern recognition, image processing, video analysis and other modern computer technology information...

The numerical simulation method of 3D-ship bow flare slamming based on finite volume method is discussed in this paper. A three-Dimension coupling finite element model including air, water and ship bow was built up. The fluid-structure interaction is simulated using general coupling algorithm; Euler...

In the 3D printing process, the 3D CAD model is built in CAD system and sliced into a series of 2D slices. The 2D cross section data contains a lot of unnecessary idle running. If transform the original data into processing path code directly, the processing efficiency will be significantly reduced....

AVS(audio video coding standard)Group formulates stereo-packing scheme aimed at 3D video. In this paper, based on stereo-packing algorithm, using FPGA hardware accelerate module to parse the stereo-packing ES stream syntax element and cooperating with the Xilinx ZYNQ 7020 SoC development board ,we complete...

Perception of the moving object in 3D from video streams has been one hot topic in computer vision. We present a fast method to reconstruct 3D information of the moving object from binocular video streams. System is assembled as two pipelines, technica are used to excavate the potential parallelism....

Based on the contact geometry characteristics of tapered roller and oilstone in the super-finishing process and the relative motion relation principle, the mathematical model of single abrasive trajectory on the outer surface of the oilstone was established. The model and their parameters estimation...

this paper takes the RC type hydraulic cone crusher as the research object, using 3D software Solidworks to set up three-dimensional model , and importing it into ANSYS Workbench analysis software to get finite element analysis model, then adding material into mesh model with steps of meshing ,loading...

Objetive The aim of the present study was to investigate the pharmacokinetics of coumarins from cortex daphnes (CCD) in a microemulsion (ME) gel transdermal delivery system with a newly developed HPLC method. Methods The pharmacokinetics of the microemulsion containing CCD was studied in rabbits with...

Three-dimensional laser scanning can be used to collect the 3D coordinate information on the object surface to create 3D point clouds, which can reflect the characteristics of the target surface, facilitating the establishment of terrain model. Since point clouds lacunarity is usually caused by occlusion...

According to some theories on Second Language Acquisition and English Teaching Methodology, this thesis studies on the present English learning state of boys in rural middle school. First, taking the advantage of being an internship teacher in Mont, Lu Bai Lu Foreign Language School in Jiujiang, Jiangxi...

Aiming at the assembly site scene process, we have studied the 3D visualization assembly site scene process technology which includes designing scene and developed assembly site scene process system. The system can not only make the process intuitive, easy to understand, visual, but also fundamentally...

The accurate 3D molding function of Rhinoceros software is used and combined with the fast and realistic render effect of Keyshot, which is the fastest and the most effective three dimensional design software in the area of current ceramic moldingdesign. The paper is mainly explored the application of...

Hydraulic engineering visualization simulation increases the predictability of engineering design work, engineering design and construction to reduce costs, and reasonable arrangements for construction projects of important guiding significance. This paper studies the three-dimensional visual simulation...

Global illumination rendering is one of the pivotal techniques necessitated by 3D scenes' simulating; thus the quality of global illumination renderer would significantly affect the reality of such a simulation. Based on ray tracing, one of the major algorithms which aim to achieve great and realistic...

This paper combined with computer graphics and related spatial information sciences technologies, made use of the software Vega Prime, On the basis of three-dimensional modeling of Nanchang HangKong University campus, built a campus three-dimensional visual simulation software, which can achieve the...

The paper presents an algorithm that aims to extract machining features from aircraft structural parts’ 3D model based on both face- and workability-based approaches under certain processing coordinate system. The proposed algorithm consists of the following 4 major steps for surface region segmentation:...

In order to research the transient-state flow field characteristics of spherical spiral groove aerodynamic bearings, the bearing's 3D micro gas film mathematical model was established, and analyzed the 3D gas film pressure field of the bearing based on the FLUENT software of fluid dynamics, and obtained...

In this article, according to the social science and technology development, through continuous improvement of the key technology of modern product design: ergonomics, 3D printing technology, man-machine ergonomic evaluation, etc. to gradually make the product design process more perfect and mature,...

For the 3D model reconstruction of centrifugal pump inducer based on reverse engineering, the hub and the blade of centrifugal pump inducer are reconstructed respectively according to their structures. This paper firstly introduces the laser scanning method by which the rotary-future based model reconstruction...

The mechanism of combinatorial approach was reviewed first and then the passive mixers and active mixers for discovering new kinds of non-metallic materials by the use of combinatorial approach were introducted. By active or passive mixing, combinatorial approach was used to find close relatinship butween...

The blades are the key components of industrial steam turbine, and the manufacturing of the blade is about one third of total manufacturing. Reduction of the number of the blades is will lower the manufacturing cost. In the present paper, the aim of the research is to develop high efficient highly loaded...

This paper explores the integration of Outcome-Based Education (OBE) and design thinking in CAD courses for product design education. OBE provides a framework to cultivate students’ design thinking and innovation skills, ensuring their preparedness for future careers. The proposed OBE-based Design Thinking...

Electronic structures and optical properties of bulk -FeSi2 are investigated in detail by first principles pseudo-potential methods based on the density function theory. The calculated results show that -FeSi2 is a quasidirect band gap material with gap value of 0.74eV. The density of states is mainly...

The LNG (Liquefied Natural Gas) cabin is a key component in the maritime transport of -163 LNG. The cryo-insulation performance of cabin directly affects the security of LNG transport greatly. Based on a 10000m3 LNG ship, two structural schemes of the LNG cabin are certain, which include their materials,...

The successful development of New digital urban system with 2d and 3d is based on ComGIS, on c# 2008 for development platform, on Oracle10G for background database. The critical techniques during the development include techniques of WebGIS, techniques of 3D display, pages of local fast refresh using...

The challenges faced in underwater communication systems are limited bandwidth, Energy consumption rate, larger propagation delay time, End-End Delay (E-ED), 3D topology, media access control, routing, resource utilization and power constraints. These issues and challenges are solved by means of deploying...