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In order to scientifically analyze the coal mining subsidence prediction, OpenGL technology is used to solve mining subsidence prediction model of the 3d visualization problem in this paper. By combining the mining subsidence theory and 3d visualization technology, the mining subsidence 3d model is established with using various coal parameters, geological features, and sample point prediction sinking...
With the development of computer technology and geological modeling study of the gradual maturity, 3D for the engineering geological modeling and information visualization analysis system of opportunities and challenges brought about. Have carried on the detailed introduction to the three dimensional geological modeling tool and the method. Summarized the three dimensional geological modeling basic...
The method of joint use Mathcad and Pro/E to get solid model of hourglass cam is proposed in this paper. That is, the required important dimensions and parameters of hourglass cam during solid modeling can be determined with Mathcad programming at first, and then the Mathcad file and features of cam are correlated to realize solid modeling. Lastly an example is given to demonstrate the feasibility...
According to the output of the second industry during 1990–2008 in Jiangsu province as well as the environmental pollution indicators including the amount of discharge for industrial solid wastes and waste gas, taking advantage of VAR model, we propose to illustrate long-term relation and dynamic mechanism between the second industry growth and environmental pollution in Jiangsu province, China.
In view of the shortcomings of bore and section data-based modeling,, a new kind of data structure is proposed in this paper to describe three-dimensional geological body structure based on borehole data. Based on OpenGL library, the 3D geological modeling and visualization of complex geologic body were achieved in Visual C ++ 6.0. Experimental data test shows that the data-structure not only can...
The 3D model of machine tool column of YKS5120BX3 NC gear shaper is created in Pro/E. This model is imported into the ANSYS by IGS file. The column structural static stress and deformation, the five-order modal natural frequencies and mode of vibration are obtained by ANSYS static and dynamic analysis. Based on the analysis results, this study offers a kind of reference comments for the design and...
Stereolithography (SL) based investment casting uses the SL rapid prototyping model as the expendable pattern. Hollowed design and lattice structure configurations are used to avoid the crack of the ceramic shell in the burnout procedure of the SL pattern and to maintain certain pattern stiffness. A universal parametric modeling system for SL pattern is constructed based on CATIA secondary development...
In this paper it introduces the process of numerically simulating thermoacoustic refrigeration effect with ANSYS CFX as a key point, and gives the concrete steps to physical models' establishment, the grid's division, boundary condition's setting, and the analysis option and so on. On this basis it carries on the analysis and the discussion to the result, and gives related parameters' change of fluid...
Binocular stereo vision motion platform with 3-DOF is designed by UG soft in this paper, the structure and control system of the platform is simulated by using ADAMS and MATLAB in order to verify the rationality and kinematical accuracy.
This paper focuses on conceptual design automation of energy transforming systems. A Computer Aided Conceptual Design Expert System for Energy transformation (CACDESE) is introduced based on the product gene theory. The conceptual design of a solar engine system demonstrates that the proposed expert system can rapidly find the appropriate combinational principle solution from the knowledge base and...
MATLAB is a famous scientific computing software, while Unigraphics is well-known for its powerful modeling ability. Both of them are popularly used in mechanical design and most of the engineering problem have to make use of them. In order to transfer data between the two running routines during design process, excel sheet is used as a medium to establish the connection between MATLAB data and solid...
The paper according to the actual situation of tunnels establishes six models, line tunnel, curve tunnel, link tunnel, vertical tunnel, trigeminal tunnel and binary tunnel based on tunnel midline, designs a general data structure for different section, and the corresponding algorithm of the acquisition for cross-section data of six kinds of model based on the section method. Finally, author implements...
In this study, firstly, the authors provide a brief introduction to studies of exchange rate forecasting in recent years and focus on the neural network methods. Secondly, they study five data samples by four neural network models, which include Genetic Algorithm neural network (GA-ANN), Quasi Newton neural network (QN-ANN), a common BP-neural network (ANN) and a BP-neural network given 10 times random...
Leadership and management are two obscure terms which are hard to define. Sometimes it seems that they are synonymous words. Through years' research and study it is found out that there is a method which makes it easy to inspect the effects of leadership and management on different tasks by means of a 3-D Moving Model, assumed the name of TML 3-D Moving Model, TML is short for “Tasks, Management,...
The solution of shipbuilding enterprise ERP problem is proposed under the dimensional visualization environment. In the VB environment, CATIA and Access database is developed for the second time, and Digital Shipyard Resource Optimization module is designed. System arrangement is evaluated; the load on the production line, the buffer capacity and bottleneck are analyzed. System fault and repairing...
The dispersed cuboid object and cylinder vibratory hopper as the object of study, we designed a vibratory hopper contain an orientation mechanism in the 3D modeling software Pro/E which is then imported into the dynamic simulation software MSC.ADAMS, and established the dynamic simulation model of the multi-body system consists of objects and vibratory hopper, representing the contact and impact between...
With the wide use of digital manufacture technology, the airplane digital assembly based on the examples can better solve these problems, such as the concurrent design of complex products, the assembly sequence, and the man -machine relationship, etc. This can also improve the quality of assembly and make maintenance more accurate and convenient. The research presents a design method of a certain...
The wearable exoskeletal robot for upper extremity rehabilitation is taken as the research object. According to D-H method, an accurate three-dimensional mechanism model for the robot system is established by SolidWorks software. The virtual set was generated in Simulink/VRML to carry out dynamic simulation. The variable parameters were set based on robotic practical joint range movement. The simulation...
The finite element calculating model for the van body frame is established by using ANSYS in this paper, and the finite element simulating is proceeded, with which the information of maximum stress and strain displacement as well as the cumulative fatigue strength have been obtained. With virtual fatigue simulative analysis, the information can predict the fatigue life, all these can be the means...
To improve effectiveness of simulation training of equipment decontamination, it's essential to emulate and process interactions in virtual scenes accurately, wishing to produce the same results as in reality. So we firstly build mathematical and attribute models for simulation targets, and then propose a processing algorithm based on those models to dispose various interactions and mark down critical...
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