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In this paper, we present the development of an assistance system for finite element analysis. This software helps students, and also beginners from industry, to learn numerical simulation techniques based on the CAx-program CATIA V5. The software which was written in Python programming language, is interconnected to CATIA via the COM-interface. This program analyses the users activities to give hints,...
PZ-30 excavator is a small tonnage miniature excavator. Due to the need of working condition, this machine should be long-term mount hydraulic breaking hammer. In order to reduce the damage on excavator boom caused by vibration and optimize the design of boom, it is needed to conduct modal analysis of boom. This paper uses the Algor finite element simulation software, combined with the actual working...
In this paper, the CAE (Computer Aided Engineering) technology and Vertical Roller Mill Device (VRMD) are described. The equivalent stress and overall displacement nephogram were obtained by the co-simulation analysis of VRMD with three software Pro/E, ADMAS and ANSYS. It is verified whether the force of VRMD meet the design requirements. The co-simulation method provides a reliable basis for VRMD...
Configuration optimization of physical prototype for 6–3–3 parallel mechanism was modeled mathematically, and then an idea of embedding finite element method in optimization algorithm was presented for solving optimizing model. In optimization design toolbox of ANSYS software, configuration optimization of the parts for the mechanism was realized by means of establishing parameterized model with parts,...
This paper presents the structure design of a height-adjustable medical transport vehicle. It adopts the whole mechanical design, which puts forward a linkage height-regulating mechanism consisted of the X-bar and the parallelogram-bar to adjust the height of the medical transport vehicle. Then a comprehensive CAE simulation analysis has been fulfilled using ANSYS software to this transport vehicle...
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...
In order to improve the efficiency of mechanical elements design, calculation and analysis on the methods of traditional driving axle design, the Visual basic software development tools were adopted to develop the parameterization technology for the axles design. The integration technology for the computer aided design and computer aided engineering was discussed and developed to realize the elements...
The Five-hundred-meter Aperture Spherical radio Telescope (FAST) will be the largest single dish radio telescope upon completion. As one of the three critical innovations of the FAST project, the active reflector system is composed of thousands of reflector elements, actuators etc. The reliability study on the active reflector system is of great importance. The paper introduces a reliability analysis...
Plane model of Concrete-filled Steel Tubular arch bridge was set up by finite element analysis software for bridge structure to analyze structure during the construction procedure. Based on the structure's analysis of the construction, the development of stress and displacement during construction was predicted to provide direction for actual construction.
The dynamic characteristics of bed structure is a key factor in product performance, so to study how to improve the dynamic performance has profound significance to the development of machine tool. The simplified finite element modal is established with ANSYS aiming to study the machine tool bed, and the first 6-order natural frequencies and vibration models are selected to analyze. On the basis of...
Based on the basic theory of soil nonlinear numerical simulation, developing a suitable Macro documents for large-scale calculation software ANSYS and taking measures that the parameter Et of Duncan-zhang nonlinear constitutive model was modified under the gradual load, a method about the modification of the nonlinear constitutive model of soil and the characteristics analysis of soil layer were established...
This article researched the object of 2,250R2 mill, made simulation analysis of roll system in condition of adjusting roll cross angle, rolling speed and intersection position of cross rolls, it is concluded that roll cross angle, rolling press quantity, intersection position and rolling speed can change the size of the axial force, axial forces may float small by the pressing ratio increases, larger...
In this paper, according to the actual working conditions of suspended pipeline sealer, simulation and theoretical analysis of structural strength are carried out. On the platform of FEM, stress and strain of pipeline are analyzed by using software ANSYS. Furthermore, on the basis of critical buckling strain method and mechanical principle, critical buckling strain and actual pressure are calculated...
Time domain modal analysis method is one of the most important modal analysis methods nowadays, which doesn't need to transform the systematic input and output signal from the time domain to frequency domain, thus it can avoid fast fourier transformation's leakage error, reducing the required equipments and cost. This paper adopts Output-only Modal Analysis to identify the modal parameters of the...
The crankshaft is an important component of diesel engine. In this paper, a three-dimensional model of a diesel engine crankshaft was established corresponding to the practical conditions by Using PRO/E software. Using ANSYS analysis tool, the finite element analysis for the crankshaft was conducted under extreme operation conditions, and the stress distribution of the crankshaft was presented. The...
This thesis studies deeply the crack development characteristics, failure pattern, hysteresis curve and the displacement ductility of prestressed precast reinforced concrete frame, by analyzing one prestressed precast reinforced concrete frame under low reversed cyclic load test. We build a model using finite element analysis software (ABAQUS) to the test piece model analysis, the analysis result...
Modeling and simulation of a microcantilever designed to achieve high resonant frequency on the sensing area is presented in this paper. Simple analytical models of the microcantilever are generated to achieve estimates of the device performance and to check the validity of the subsequent simulation. CoventorWare simulation software is used to design and process the micromachined microcantilever gas...
Encapsulated invoking structural analysis can be carried out by using VB to realize the secondary development of ANSYS. Firstly, the parametric command flow file of the problem to be analyzed will be compiled, which is based on the exploitation capability of APDL of the finite element analysis software ANSYS. Then, the analysis of the structure will be automatically completed, through a convenient...
In this paper, the 3-D model of front sub-frame of a car is established by using software CATIA. And further according to the finite element elementary theory, by using the software Hypermesh and the software MSC Patran, the finite element model of the sub-frame is established, and then the finite element stress analysis is carried on by using the MSC Nastran software. Based on the results of stress...
3d landslide geological modeling is the prerequisite of geotechnical and engineering geology numerical simulation analysis, and there have not been very direct and efficient software tools to realize this modeling process currently. Taking account of this, a new 3d landslide modeling method is posed from an integrative view in this paper. First, extract the 3d modeling origin data of a specific landslide...
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