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An integrated machine with automatic sprinkling and feeding functions for Nereis farming was presented in this paper. Different from traditional manual feeding method, the machine is assembled on a vehicle chassis which is driven by engine and electricity. A cam mechanism is fixed on the back axle of...

In multimedia projects, it is not enough to describe the process of the process, it is not enough to rely on the information of the text or graphic image. Animation can be more intuitive, more field to show the changes in the process of things. Animation than the static picture of the expression of information,...

In large scenes, the types and quantities of objects are many, and the shapes are different. In the process of using 3ds Max to construct the large scale scene, if the modeling method is inappropriate, it will not only produce the problem of model points, the number of faces and the decrease of the degree...

A vision sensor calibration method based on flexible three-dimensional (3d) target and invariance of cross ratio is proposed. Flexible 3d target is obtained by moving planar target to different positions. According to the relative position relationship of planar targets in the different positions, unify...

The application-oriented architecture major should put emphasis on the cultivation of students' ability of practice and in this article, it analyzes the necessary for students of architecture major to learn computer 3D architectural expression, puts forwards the integration of curriculum content designing...

This paper indicates the process of 3D modeling in the building of virtual campus, which focus on the construction of terrain and scene modeling. Then it puts forward the cautions of these modeling processes. Finally, the 3D interaction and spatial analysis are involved.

The most important part of the hydraulic design part in turbodrill is stator and rotor blades. The hydraulic performance determines the output characteristics of the turbodrill. SolidWorks three-dimensional (3D) modeling is applied to 127 turbodrill blades. Simulation analysis is using the Software ANSYS/CFD...

To solve the difficult problem for the removal of large size sacrificial layers when preparing a terahertz coupler, a new approach is proposed using poly two methyl silicone as a sacrificial layer. Due to its hydrophobicity and high elasticity, cross-linked polydimethylsiloxane (PDMS) can be gently withdrawn...

The invention of 3D virtual fitting technology not only reflects the extension of fitting room in traditional shopping mall, but also breaks the restriction of reality, so users can have richer virtual fitting experience and the technology widens consumers’ selection on clothes. The development of 3D...

The sketch is a fundamental expression means of product design, in the current mainstream 3D design software; it is a common feature which can implement the translation of the two-dimensional contour to three-dimensional solid. For the current lack of sketch knowledge points in teaching, in the paper,...

During the design of harvesting machinery chassis, a lot of factors should be considered, such as the standard data, expert experience, design formulas and the components’ 3D models. It is very difficult to use and manage so many kinds of design data reasonably. Accordingly, the knowledge base system...

This paper presents the intrinsic fluorescence characteristics of vitamin B1 and vitamin B2 with 3D fluorescence Spectrophotometer. Three strong fluorescence areas of vitamin B2 locate at ex/ em=270/525nm, 370/525nm and 450/525nm and one fluorescence areas of vitamin B1 locates at ex/ em=370/460nm were...

The fundamental matrix contains all of a camera’s inner and outer parameters. So estimating the fundamental matrix is an important issue in 3D reconstruction and even the whole field of computer vision. As for the accuracy, stability and universality in calculating the fundamental matrix, this paper...

Viscous fingering phenomenon happens during CO2 flooding because of viscosity differences between CO2 and crude oil. It leads to premature breakthrough of displacement fluid and decrease of sweep efficiency. In this paper, a three dimensional Diffusion-Limited-Aggregation model based on pressure-oriented...

We present a novel method of laser machining 3D curved surface by 5-axis CNC laser machining system pertaining to the manufacturing processes of laser marking, laser mold texturing and laser direct structuring (LDS). We begin by presenting the need of texture mapping technology which is used in 3D curved...

For high power package water-cooled radiator of 3D-Sip system and by using the finite element software ANSYS numerical simulation analysis of the geometrical parameters and fluid velocity affecting the performance of radiator cooling, the condition of air cooling water-cooled radiator fin thickness,...

Reverse engineering is a design process going from a physical or clay model to a digital model. The first step in reverse engineering is part digitization, and its precision and efficiency all will influence the reconstructed surface qualify. In this paper a date fusion method for free-form surfaces...

The gap of the gears has a huge influence in tank’s transmission system even fasten the appendixes’deformation and the motor’s damage. In order to study the influence of gear’s gap and aimed to the nonlinear characteristic of gear’s gap in the transmission, established a 3D model in CREO and put it into...

As 3D printing technology becomes increasingly mature, the restrictions on product design and research and development as posed by material processing technology are greatly reduced, so that product design and research and development becomes intelligent, and can meet people’s ever-increasing functional...

An experimental investigation on vortex-induced vibration of plane gate with submerged flow is carried out by a combination of 3D-PIV technique and multi-channel vibrating data acquisition system. In order to explore the mechanism of gate vibration, the experiment is to synchronously test the distribution...

Virtools is a set of integrated 2D graphic images, 3D models, audio, video, and so a variety of file formats, interactive software itself has a wealth of interactive behavior module, 3D games can be created, virtual experiments simulation objects very strong interaction with the display and other three-dimensional...

Through the Delphi technique combined with the application examples, this article processed design for the basic functions of the database system of casting process, through the three dimensional diagram of a casting, it processed draft Angle operation, minimum cast hole operation, the machining allowance...

For the reason of high costing on 3D core reconstruction by using CT scanning method, a new method named 3D digital core reconstruction based on rock casting slice images under optical microscope is proposed in this paper. Firstly, the collected casting slice images are processed to acquire the reconstructed...

To effectively characterize the topology and geometric information of 3D CAD models, trees, graphs and other non-linear data structures have become the important descriptors of 3D CAD models. However, the matching based on tree or graph is still the main bottleneck of 3D CAD model similar evaluation....

The tongue diagnosis is an important diagnostic method in Traditional Chinese Medicine (TCM). Human tongue is one of the im¬portant organs which contain the information of health status. Image segmentation has always been a fundamental problem and complex task in the field of image processing and computer...

This study aims to describe the implementation of Project-Based Learning (PjBL) in 3D CAD learning using Autodesk Fusion 360, to measure the improvement in students’ abilities to develop creativity, collaboration, and communication, and to evaluate the competency in 3D CAD drawing of machine designs...

In the present study, billet is designed by utilizing the flow relief-hole principle to improve the dimensional accuracy during the cold precision forging of helical gear. A three-dimensional FE simulation was carried out to analyze the deformation features of billet with different initial diameter of...

This paper focuses on the global three-dimensional scene construction technology, combining the 2D map and combat formation scenario technology, combined with 2D and 3D scene of mission planning technology and operational deployment of data driven interface design technology and so on. The system in...

Study This aim, for now, is to influence blended learning against competence and draw three dimensions with Autodesk inventor on students’ technique machine—self-learning use of blender use Elena developed by UNNES. The research method used is the experiment. The design used study. This is a Randomized...

This study aims to examine the role of appearance comparison as a mediator in the relationship between the intensity of Instagram use and body dissatisfaction. This study used a male sample (n = 167), with an age range of 19-28 years (M = 21.24, SD = 1.880) and individuals who have accounts and are active...

WiMAX is a promising technology for a higher spectral efficiency and reliable transmission. This paper compares the downlink throughput experienced by mobile users in a macro-cell in an interference limited scenario with a frequency reuse of one. Bit accurate link level simulations are performed for...

A two-shaft omnibearing scanning mechanism was designed as carrying device for full polarized microwave radiometer, and the 3D model of two-shaft omnibearing scanning mechanism established in CATIA environment was imported into ANSYS finite element analysis software to establish a finite element model...

Aiming at cam indexing mechanism, this paper, considering the influence of elastic deformation, bending and twisting factors, combining the knowledge of rigid-flexible coupling Dynamic System, established the rigid-flexible coupling dynamic model of globoid cam indexing mechanism with six degrees of...

Building virtual battlefield is an important subject in military simulation. In order to get realistic appearance in building roadway of battlefield by using 3D simulation technology, it’s natural to do some complex calculations for the surface of the roadway, involving patterns with certain colours...

Mesh segmentation, as a crucial step in model analysis and understanding, is vital to the success of the applications, e.g., the 3D reverse engineering and modeling by example. A number of recent works suggested segmenting 3D meshes on the basis of the cognitive psychology concept of part salience",...

3D non-rigid recovery is a problem of recovering the real shape of 3D deformable object by using some kinds of algorithms. This paper proposes a novel approach to recovery of non-rigid structure using sparse coding in trajectory space. In order to overcome the difficulty of defining the size of trajectory...

The aim of this study was to investigate the surface propertity and biocompatibility of Ti and Ti6Al4V after the treatments of sandblasting by Al2O3 and etching by hydrochloric acid-sulfuric acid mixture. Surface morphology of samples was observed using scanning electron microscopy and the roughness...

This paper mainly studies currently developing 3D video coding based on HEVC. HEVC-based 3D video coding mainly focuses on 3DTV and auto-stereoscopic video compression system. A variety of new encoding tools, such as inter-view motion prediction and depth modeling modes, have been added in 3D HEVC. The...

This research aims to: 1) develop flipbook-based Indonesian soup and soto learning me-dia. 2) determine the feasibility of developing flipbook-based Indonesian soup and soto learning media. It was Research and Development (R & D) method with a 4D model, i.e. define, design, develop and disseminate...

Fusion of infrared and visible image is a potential solution to improve face recognition performance. In this paper, we propose a new fusion method based on singular value decomposition (SVD) and apply it to multiple spectrum face recognition. The performance of the proposed SVD-based fusion method is...

As a national intangible cultural heritage, the Olunchun “Mosukun” lacks the channel of integration with modern scientific and technological innovation, resulting in low communication efficiency, and is facing a severe problem of protection and inheritance. Therefore, this paper takes the Olunchun “Mosukun”...

This paper introduces a system which is designed for the transmission design business which make it possible to achieve electrical design, structural design, technical and economic analysis, environmental design and resource sharing. This platform functions in various stages including the informatization...

The intention of this thesis is to explore the concrete realization method of reverse engineering technology in the field of development of sports shoes, how in the rhino software environment, reverse modeling two-demention drawings from product, especially how to generate 3D reconstruction of product...

In this paper, according to the principle of Hough transform, using the multi - directional image information of an object to calculate the pixel points of the object in the space, and get the real three-dimensional image from the object surface texture mapping which is composed of pixel points. This...

This paper designs a kind of three dimensional reconstructions based on line structured light vision system. This system can realize the quick requisition of the contour point on the surface of mechanical parts, which commits precise measurement of mechanical parts. First of all, the measurement model...

In this paper, a general mathematical model is shown through the mathematical analysis of the magnetic bearing. The linear expression of relationship between the electromagnetic force, the deviation of the displacement and control current of is provided by the finite element analysis, with Maxwell 3D....

As virtual reality technology matures and popular, it is gradually applied in art design. Virtual reality is constructed by high-tech means of the artificial environment. How best to achieve the user in the virtual world of realistic experience, has become a new research hotspot. In view of the present...

Recently, the game console industry has been developing at a considerable rate. Also, the development of 3D technology is fast and promising. In the present market, there are already game consoles and games providing users with 3D perception. But actually, the technology they used is called non-immersive...

Thermostat is an important part of car cooling system. In this paper, with the fluid analysis software FLUENT, CFD simulation analysis was carried out on the two kinds of thermostat. The distributions of temperature, speed, pressure were obtained by simulation analysis of flow field of thermostat, and...

In the virtual reality, render to textures technology was widely used in animation, model making software or engine both have texture baking function. The baking technology can preprocess the virtual reality scene model, the shadow information is rendered into a map in the engine, it can no longer carry...