Finite Element Modal Analysis on 5500mm Heavy Plate Mill Rack

2013 ◽  
Vol 753-755 ◽  
pp. 1708-1711
Author(s):  
De Chen Zhang ◽  
Xing Lei Yao ◽  
Yan Ping Sun ◽  
Yuan Li
Keyword(s):  
Finite Element ◽  
Analytical Method ◽  
Computer Aided Design ◽  
Design Method ◽  
Vertical Vibration ◽  
Plate Mill ◽  
3D Design ◽  
Heavy Plate ◽  
Finite Element Software ◽  
Mill Stand

Aiming at the vibration problems in Anshan Iron 5500mm heavy plate mill production line, the mill frame vibration in the main parts is researched by using the computer aided design method and the analytical method. Using SolidWorks 3D design software for frame modeling, the model is imported into the ANSYS finite element software, then 5500mm heavy plate mill stand 12 order natural frequencies and natural vibration type is calculated; applying analytical method of the 12th band of vertical vibration the natural frequency is calculated, and the finite element results is analysed comparatively. This paper lays the foundation for the study of the vibration of the mill stand in the future, provides a theoretical basis for the dynamic design of the mill stand.

Research on Mesh Optimization of the Finite Element Calculation about Three-Dimensional Foundation Pit

2012 ◽  
Vol 487 ◽  
pp. 855-859
Author(s):  
Shi Lun Feng ◽  
Yu Ming Zhou ◽  
Pu Lin Li ◽  
Jun Li ◽  
Zhi Yong Li ◽  
...  
Keyword(s):  
Finite Element ◽  
Complex Geometry ◽  
Three Dimensional ◽  
Mesh Optimization ◽  
Design Calculation ◽  
Foundation Pit ◽  
3D Design ◽  
Finite Element Software ◽  
Core Language ◽  
Grid Division

Abaqus finite element software can implement three-dimensional excavation design calculation, so authors used Python of Abaqus core language made the 3D design of foundation pit supporting program come ture and also did intensive study of mesh optimization during the process. Authors also did intensive comparison and analysis about grid division of the complex geometry foundation pit, through a regularization partion about a variety of special-shaped pit, we made the automatic division about the structural grid of all kinds of shapes foundation pit successful. On this basis, we achieved better calculation effects of the model. The article will introduce problems about optimization of grid in procedure.

Mechanical Analysis of Porous Concrete Base in Asphalt Pavement

2012 ◽  
Vol 443-444 ◽  
pp. 751-756
Author(s):  
Li Jun Suo ◽  
Xia Guang Hu
Keyword(s):  
Finite Element ◽  
Thermal Stress ◽  
Finite Element Model ◽  
Design Method ◽  
Asphalt Pavement ◽  
Element Model ◽  
Three Dimension ◽  
Porous Concrete ◽  
Finite Element Software ◽  
Concrete Base

In China, it is fact that porous concrete base has been used in the construction of asphalt pavement in recent years because porous concrete base has good performance. However, Reasonable design method has not been put forward so far. Therefore, it is necessary to analyze load stress and thermal stress of asphalt pavement which includes porous concrete base in order to put forward theoretical basis for pavement design method. In the paper, three–dimension finite element model of asphalt pavement, which includes porous concrete base and asphalt surface, is created for the purpose of studying load stress and thermal stress of porous concrete base in asphalt pavement. Based on numerical method of three–dimension finite element model, finite element software, such as ANSYS, is employed to study load stress and thermal stress of porous concrete base in asphalt pavement. After that, the effect of different factors on stress is studied, and the factors include thickness of surface, thickness of base and ratio of base’s modulus to foundation’s modulus. Finally, calculation results for stress are compared with each other, and it shows that load stress of porous concrete base decreases with increase of base’s thickness, while thermal stress of porous concrete base increases with increase of base’s thickness. Load stress and thermal stress of porous concrete base decrease with increase of surface’s thickness. Load stress and thermal stress of porous concrete base increase with increase of ratio of base’s modulus to foundation’s modulus.

scholarly journals Slope stability analysis in the case of probabilistic and semi-probabilistic design method

2019 ◽  
Vol 97 ◽  
pp. 04044
Author(s):  
Hubert Szabowicz
Keyword(s):  
Finite Element ◽  
Internal Friction ◽  
Design Method ◽  
Probability Distributions ◽  
Friction Angle ◽  
Internal Friction Angle ◽  
Probabilistic Modelling ◽  
Finite Element Software ◽  
Random Finite Element Method ◽  
Slope Factor

This paper addresses the issue of probabilistic and semi-probabilistic modelling of soil slopes. A slope made of cohesive-frictional soil of specific geometry was analysed as an example. Results were calculated for two methods using the Z-Soil finite element software. It has been assumed that the probability distributions of strength parameters, cohesion and internal friction angle are normal distributions with average values and coefficient of variation = 0.2. Random finite element method (RFEM) has been used for probabilistic modelling. Random fields of cohesion and internal friction angle have been generated using the Fourier series method (FSM). Monte Carlo simulation has been used to calculate the statistics of the slope factor of safety in order to determine the probability of failure. Moreover, assumed parameter distributions allowed to determine safe characteristic values used in the semi-probabilistic partial factors method. Both approaches have been compared in the article.

Design and Optimization of Beam Based on ISIGHT and ANSYS

2014 ◽  
Vol 686 ◽  
pp. 160-163
Author(s):  
Xu Yin ◽  
Ming Juan Zhu ◽  
Ai Min Ji
Keyword(s):  
Finite Element ◽  
Analytical Method ◽  
Optimization Model ◽  
Optimization Software ◽  
Design And Optimization ◽  
Finite Element Software ◽  
Rectangular Beam

Taking rectangular beam as an example, an integrated analytical method was proposed based on optimization software ISIGHT and finite element software ANSYS. First of all, in order to obtain the parameters of beam, the paper used ANSYS to establish the corresponding model and perform the simulation. Then, the optimization model was integrated with ISIGHT. At last, the model was optimized with NLPQL algorithm and the lightest weight of beam under specified constraints was obtained.

The Statics Analysis of the Lathe Tool Based on Workbench

2014 ◽  
Vol 494-495 ◽  
pp. 478-481
Author(s):  
Zheng Yong Cheng ◽  
Wen Juan Gu ◽  
Xiao Hui Zhang ◽  
Bang Gui He ◽  
Ying Li
Keyword(s):  
Finite Element Method ◽  
Finite Element ◽  
Cutting Force ◽  
3D Model ◽  
The Finite Element Method ◽  
Total Deformation ◽  
3D Design ◽  
Finite Element Software ◽  
Design Software ◽  
Lathe Tool

The 3D model of the lathe tool is established by using the Pro/E of 3D design software, then imported 3D model into the finite element software Workbench, and analyzed its statics using the finite element method, and got the stress figure and strain figure and total deformation figure while the lathe tool undertaking the cutting force, through the analysis it shows that the strength of the lathe tool can meet the processing requirements.

Monitoring and Numerical Analysis on Displacement of High-Voltage Pole around Foundation Pit Excavation

2013 ◽  
Vol 353-356 ◽  
pp. 624-627
Author(s):  
Jie Liu ◽  
Kun Hou ◽  
Shi Lun Feng
Keyword(s):  
Finite Element ◽  
Comparative Analysis ◽  
Numerical Analysis ◽  
High Voltage ◽  
Design Method ◽  
Soil Deformation ◽  
Foundation Pit ◽  
Finite Element Software ◽  
Allowable Range ◽  
Requirements Monitoring

The influence of excavation on surrounding buildings has been studied widely,but there was little attention to its reliability of reinforcement. In this paper, which was based on an excavation project of a security housing in Tianjin, about fourty thousand square meters, numerical analysis on wire poles were carried out by using finite element software Plaxis2D,and the comparative analysis is made with monitoring results.The results show that,when there is no reinforcement, foundation pit excavation will cause the displacement of wire poles more than allowed; after reinforcement, the numerical results of wire poles displacement conform to the requirements,monitoring data also shows that the wire poles displacement is in the allowable range. Results indicate that the reinforcement can improve the soil deformation effectively, and the design method is reliable.

The Discussion of Numerical Analysis Method about Underwater Bridge Pier Structure

2011 ◽  
Vol 243-249 ◽  
pp. 672-676
Author(s):  
Jun Min Shen ◽  
Hui Liu ◽  
Fu Guo Guo
Keyword(s):  
Finite Element ◽  
Numerical Analysis ◽  
Dynamic Characteristics ◽  
Deep Water ◽  
Analytical Method ◽  
Complex Structure ◽  
Bridge Piers ◽  
Analysis Method ◽  
Numerical Analysis Method ◽  
Finite Element Software

In deep water, the dynamic characteristics of bridge piers will be changed. Using the numerical analysis method and the finite element software ANSYS, this paper analyzed the influence of the dynamic characteristics of the pier under different depth of water. At the same time, compared with the analytical method, we found that the results between two methods are consistent. But to the complex structure, the numerical analysis method would be superior.

Calculation of arbitrary tooth shapes to support gear design

2015 ◽  
Vol 231 (11) ◽  
pp. 2075-2079 ◽  
Author(s):  
Maximilian Zimmer ◽  
Michael Otto ◽  
Karsten Stahl
Keyword(s):  
Finite Element ◽  
Computer Aided Design ◽  
Point Cloud ◽  
Mathematical Framework ◽  
Practical Applications ◽  
Gear Design ◽  
Finite Element Software ◽  
Basic Law ◽  
Computer Aided ◽  
Aided Design

This article provides a mathematical framework based on the basic law of gear kinematics for calculating the tooth geometry of arbitrary gear types. The described algorithms are illustrated by means of practical applications, especially nonstandard gearings. The computed geometry is exported as a point cloud with integrated STEP-modeling. Thus, further analysis of the generated gear types are possible, e.g. by computer-aided design or finite-element software tools as well as manufacturing on 5-axis-CNC or forging machines.

Parameterized Modeling and Dynamic Modal Analysis of Conjugate Cam Beating-up Mechanism

2012 ◽  
Vol 251 ◽  
pp. 271-274
Author(s):  
Xue Mei Tang ◽  
Xin Xing Tang
Keyword(s):  
Finite Element ◽  
Modal Analysis ◽  
Dynamic Characteristic ◽  
Analytical Method ◽  
High Performance ◽  
Three Dimensional ◽  
Secondary Development ◽  
Finite Element Software ◽  
Parameterized Design ◽  
Parameterized Modeling

Taking the conjugate cams beating-up mechanism as an example to carry out three-dimensional parameterized design with Pro/Engineer secondary development accords to the equations of conjugate cams curves derived by the analytical method. Using the finite element software ANSYS the dynamic characteristic of beating rocker has been analyzed. And through the calculation the modal distribution and modal shapes of beating rocker are provided. It could provide references for design of future high-performance beating-up mechanism.

Design and Numerical Simulation on Concrete Two-Way Slab Strengthened with Partially Bonded Steel Plate

2014 ◽  
Vol 919-921 ◽  
pp. 64-67
Author(s):  
Ji Hong Hu ◽  
Xiu Cai Li
Keyword(s):  
Finite Element ◽  
Steel Plate ◽  
Design Method ◽  
Superposition Principle ◽  
Element Model ◽  
Load Test ◽  
Element Analysis ◽  
Finite Element Software ◽  
The Finite Element Analysis ◽  
Strength And Stiffness

Taking structure strengthen of a large hotel as the engineering background, based on superposition principle, put forward the design method of concrete two-way slab strengthened with partially bonded steel plate. According to the finite element analysis, the solid finite element model is established, and then the stress, strain and deflection of two-way slab strengthened with bonded steel plate is obtained, at the meantime compared with the load test datum in situ. The analysis results show that the finite element software is a reliable tool applied to analyze the design of two-way slab strengthened with bonded steel plate. When the increasing load is larger, partially bonding steel plate strengthening has more advantage and economize than bonding carbon fiber strengthening on two-way slab, meanwhile that slab strengthened with partially bonded steel plate has better mechanical properties, strength and stiffness.

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