Papers by Keyword: ANSYS

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Authors: Rui Wang, Yuan Bao Leng, Yang Zhou
Abstract: Resistivity imaging and other resistivity methods are widely used to detect hidden troubles in embankments. Embankments have complex shapes and are made by multiple materials. Finite Element Method (FEM) and other numerical methods are efficient ways to solve the forward problems of complex objects such as embankment. This article introduces how to use ANSYS to build a 3D embankment model and simulate the detection of internal erosion. We simulated the process of detecting a seepage channel in embankments by Wenner arrays and list the simulation results and parts of the APDL source program. ANSYS and APDL are very suitable tools to rapidly solve the forward problems of complex objects, such as embankment.
545
Authors: Ji Jue Wei, Sen Kai Lu
Abstract: The magnetic fields in the 320 kA Al reduction cells have been calculated using ANSYS. The calculated results show that the magnetic field lines are concentrated in the cell wall; the magnetic fields in the Al reduction cell form a clockwise swirl along the Z-axis; the magnetic field strengthen in the corners; the vertical magnetic field value of the Al reduction cell is slightly higher. The range of BX, BY and BZ is -0.048~0.145 T, -0.046~0.292 T and -0.183~0.196 T in the Al of the Al reduction cell, respectively. The range of BX, BY and BZ is -0.183~0.348 T, -0.447~0.515 T and -0.350~0.225 T in the electrolyte of the Al reduction cell, respectively. The range of BX, BY and BZ is -0.020~0.035 T, -0.014~0.016 T and -0.015~0.028 T on the interface of melt of the Al reduction cell, respectively. The optimization design of the Al reduction cells should give full consideration to the influence of the ferromagnetic material
157
Authors: Basirom Izzawati, Mohd Afendi, M. Afif, S. Nurhashima, R. Daud, N.A.M. Amin, M.S. Abdul Majid
Abstract: The butt joint is the most studied type of adhesive joints in the literature. However, the joint strength prediction of joints is still a controversial issue as it involves a lot of factors that are difficult to quantify such as the yielding of the adherend, the plasticity of the adhesive and the bondline thickness. The present work is concerned with the three dimensional (3D) finite element stress analysis of butt adhesively bonded dissimilar joint. The objective of the present study was to analyse the effect of bond thickness on mechanical strength of butt adhesively bonded dissimilar joint. Aluminum alloy and steel were selected and five thicknesses were studied for each adherend: 0.2, 0.4, 0.6, 0.8, and 1.0 mm respectively. In order to quantify the influence of bondline thickness, adherend and durability of the butt joint, the 3D finite element models of ANSYS used to obtain the stress distributions. Mechanical properties of adhesive were determined by tensile test and ANSYS analysis. A statistical analysis of simulation results shows that the butt joint strength becomes stronger while the bondline gets thinner and adhesive gets tougher.
355
Authors: Hui Xu, Zhong Dong Yin
Abstract: Dry-type transformer is a high electric strength, high mechanical strength and high heat intensity transformer. With the acceleration of our city and countryside grid construction and the energy saving requirement in power industry, the application of dry-type transformer is expanding. Also, society proposes a higher standard in dry-type transformer. To improve its working capacity and reduce power loss further, we need to analyses its inner working conditions. This thesis uses finite element software ANSYS to build a model of dry-type transformer and gets its power loss and temperature distribution under different working capacity. After comparing this simulation results with experimental results, the accuracy of simulation method is proved. This simulation provides a structure optimization method of dry-type transformer. It can reduce design cycle and cost, help to spread the application of dry-type transformer.
181
Authors: Zaliman Sauli, Vithyacharan Retnasamy, Fairul Afzal Ahmad Fuad, Phaklen Ehkan, Rajendaran Vairavan, Nazuhusna Khalid
Abstract: Conventional incandescent lamps are being replaced by high power light emitting diode as a lighting source due to it ascendancy in terms of physical size, performance, output and lifetime. Nevertheless, the reliability and efficiency of the LED is dependent on the junction temperature. This study presents the thermal simulation of single chip LED package with 5mm x5mmx 1mm aluminum heat slug. The junction temperature and stress of LED chip were evaluated using Ansys version 11. Input power of 0.1 W and 1 W were applied to the LED. The simulation results showed that at input power of 1W, the maximum junction temperature and stress of the LED chip is 112.91°C and 263.82Mpa respectively.
460
Authors: Gang Wang, Lei Qin, Li Kun Wang
Abstract: A new type of piezoelectric composite ultrasonic transducer with high frequency in radial vibration is studied. A high-frequency acoustic transducer has been designed and prepared with pzt-5-type piezoelectric ceramic cylinder. When the piezoelectric ceramic cylinder vibrates along the direction of its radial direction, the working frequency is high. It is composed of a piezoelectric ceramic tube and a steel bracket which is inserted in the inner of the ceramic tube. Use the finite element method by ANSYS for analyzing the radial vibration of a piezoelectric tube. On that basis, through managing ANSYS simulation the vibration mode of transducer system is obtained, and analyzed the working frequency of transducer. According to the simulation, the high-frequency cylindrical acoustic transducer has been produced. Comparing the products and the traditional cylindrical transducers, the products haven’t only a good all-round circle directional, but it also has a high working frequency (300 kHz).
259
Authors: Guang Guo Zhang, Jing Sheng, Feng Wang
Abstract: In the traditional design of round broach ,the impact tools of broach maybe unable to achieve the requirements for the processing precision,or even occur the situation of partial fracture due to a exaggerated partial deformation.In this article,by using Pro/E we complete the 3D solid modeling and the dimensional parameterization of the impact tools for combination round and spline broach,then import the 3D model into ANSYS,to analyze and solve the whole process of load and deformation at work.It can effectively improve the machining accuracy and the reliability of round broach, shorten the design cycle and reduce cost.
6551
Authors: Guang Guo Zhang, Jing Sheng, Feng Wang
Abstract: In the traditional design of round broach ,the impact tools of broach maybe unable to achieve the requirements for the processing precision, or even occur the situation of partial fracture due to a exaggerated partial deformation. In this article, by using Pro/E we complete the 3D solid modeling and the dimensional parameterization of the impact tools for combination round and spline broach, then import the 3D model into ANSYS, to analyze and solve the whole process of load and deformation at work. It can effectively improve the machining accuracy and the reliability of round broach, shorten the design cycle and reduce cost.
1831
Authors: Zhuo Tian, Bai Cheng Li
Abstract: In the traditional design,the impact tools of broach maybe unable to achieve the requirements for the processing precision,or even occur the situation of partial fracture due to a exaggerated partial deformation.In this article,by using Pro/E we complete the 3D solid modeling and the dimensional parameterization of the impact tools for rectangle spline broach,then import the 3D model into ANSYS,to analyze and solve the whole process of load and deformation at work.It can effectively improve the machining accuracy and the reliability of broach, shorten the design cycle and reduce cost.
163
Authors: Wei Feng Dong, Yong Li, Jun Xiao
Abstract: As for 2.5-D layer-to-layer angle interlock braided composites, the cross section of the warp tow was represented in double-convex lens form, and the center line of the warp tow was along the sinusoid. The arranging characteristic of weft tow fibers along the cross section outline of the longitude fibers was studied in detail. A novel finite element model for 2.5-D braided composites was established to predict elastic modulus. The finite element software ANSYS was adopted to study the mechanical properties of the model and presented its stress nephogram, and the influence of the braided structure parameters on the elastic modulus of this material was analyzed in detail. To validate this model, qualified experimental samples were made by VARTM technique, and then tensile tests were performed to determine the mechanical properties. The results show that the conclusions of finite element method (FEM) fit well with the experimental values, and this model can be used to predict effectively the macro modulus of 2.5-D braided composites.
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