Proceedings of the 3rd Annual International Conference on Mechanics and Mechanical Engineering (MME 2016)

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150 articles

The Mechanical Behaviour during Multiple Injections and its Influence on Fracture Network

Li-Feng Yang, Yu-Zhang Liu, Yun-Hong Ding, Yong-Hui Wang, Xiao-Sen Shang
Many cases show that multiple injections fracturing serves as an effective method to increase the probability of creating complex fracture network for shale gas reservoirs. However, its mechanism is unclear. This paper, therefore, intends to use numerical simulation and theoretical models to explore...

Finite Element Analysis of the Impact of Scratches on the Tire

Jun-Fei Wu, Peng Wang, Cheng-Lin Du, Rui-Qing Liu, Zhu-Wen Shao, Zhao-Peng Du
The performance of the tire has an important effect on vehicle running safety, and in the actual use of the tire will inevitably encounter a variety of complex and harsh conditions, it is easy to make the tire scratches, so to study the effect of scratches on the performance of the tire is very important....

The Simulation and Analysis of Erosion to a Layered Structure of a Single Particle

Ping Liang, Yi-Bo Xu, Wen-Mo Li, Lu-Quan Ren
The dorsal scale of Laudakinstoliczkanain desert has good performance of erosion-resistance because it is composed of protein "soft" layer and the covering of the cuticle "hard" layer. In this paper, we simplify it to a layered structure called a bionic layered structure(BLS). Based on it, a numerical...

Numerical Research on Flow Field Characteristic of the Projectile with Little Incline Angle Truncated-Cone Base Cavity

Yang Ni, Hai-Bo Lu
The traditional shape of the base cavity of the projectile is a column. This paper focus on the influence of the little rake angle truncated-cone base cavity on the flow field of the projectile. With numerical method, the distributions of the flow field parameters and the drag coefficient of projectile...

Study on the Seismic Behavior of Nuclear Pipes by Using FEM

Feng Liu, Xia-Jie Liu, Kun-Feng Li, Yong-Hong Lv, Zheng Kang, Shi-Qing Huang
The modal analysis and spectral analysis of nuclear pipes are carried out by FEM software ANSYS. Taking the piping system of Ningde Nuclear Plant as an example, the calculation results by using software ANSYS are compared with those by using software SYSPIPE.

Numerical Analysis and Optimization of Internal Flow Field in Optical Module of DUV Laser

Bin Liu, Jin-Bin Ding, Kui-Bo Wang, Peng-Fei Sha, Yi Zhou, Yu Wang
In this paper, the internal flow field in an optical module of DUV laser was analyzed by ANSYS Fluent based on the finite volume method. The way of purging nitrogen was optimized according to the results of the analysis. After the optimization, a better nitrogen purge method was obtained, and a flow...

Optimization Design of Oil Film Thickness of Hydrostatic Pressure Table

Cheng-Han Ai, Han-Bing Tang, Guo-Dong Sun, Ma-Chao Jin
Taking the static pressure of the oil film, carrying capacity and stiffness of the table as the main study subjects, in order to achieve the optimum design of oil film thickness, optimization method of the objective function with the linear weighting has been proposed, and the optimum oil film thickness...

Influence of Height Adjustment for Vossloh 300 Fasteners on Gauge Expansion and Bumping Shoulder Stress

Yu-Tao Liu, Cheng-Hui Li, Ying-Jie Zhang
In order to analyze the impact of height adjustment for Vossloh300 fasteners on the rail lateral displacement and the stress of sleeper bumping shoulder, the paper construct the mechanic model and finite element model, the rail lateral displacement and the stress of the sleeper bumping shoulder were...

Experiment on Nonlinear Response Characteristics of Photoelectric Theodolite under Servo Driven

Yao-Bin Li, Hua-Dong Yu, Qiang-Long Wang, Jun Xie, Zhen-Yu Liu
The dynamic response characteristics of the structure are affected by the nonlinear term in the theodolite structure with supporting shaft and bolt fixed connection. The harmonic term caused by nonlinear response has important influence on the measurement accuracy of optical system and the tracking stability...

The Nonlinear Viscoelasticity of the Human Knee Articular Cartilage

Chao-Jie Wan, Gai-Min Li, Tong-Tong Guo
The human knee cartilage play an important role in the knee joint. Osteoarthritis (OA) are related to knee joint cartilage. So the accurate description of the cartilage constitutive is the most important work for the understanding the cartilage test phenomenon. The role of viscoelasticity of collagen...

Analysis and Experiments on Strengthening the Platform Jacket by the Grouted Clamps

Zhuo Wang, Bo Zhang, Tao Wang
The grouted clamps will strengthen the offshore platform jackets which have fragile nodes and the damaged structure underwater. Theoretical analysis of buckling on the jacket was done with buckling theory under uniform axial compression and the method of finite element analysis under the condition of...

Transmission Efficiency Analysis and Experiment Research of Gear Box

Jing Li, Chang-Chun Li, Jing Huang
Transmission efficiency is a key characteristic for gear box, a test system is set up for gear box's measurement. But in the test process, there may have some wrong test results by using ideal mathematic formula which is based on the law of conservation of energy. By checking the mechanical structure...

Analysis of Stiffness and Damping Properties of Active Magnetic Bearing Using Cross Feedback Control

Peng-Cheng Pu, Jin-Peng Yu, Lei Zhao
Stiffness and damping properties of the magnetic bearings are mainly determined bythe parameters of system controller, both of which are the function of rotor frequency. In the system of magneticsuspensionflywheel (MSFW), the rotor applied has a large moment of inertia ratio, resulting in a strong gyroscopic...

Characteristics Analysis of the Flow Field of Self Balanced Multi-stage Centrifugal Pump

Jin-Gang Liu, Yao Yao, Quan Li, Jian-Wen Chen
The flow field characteristics of self balanced multi-stage centrifugal pump were analyzed based on FLUENT. Reynolds-averaged Navier Stokes equations and standardÿk- ÿmodel areÿadoptedÿto calculateÿthe pressure and velocity distribution of the flow field in the impeller and the guide vane under three...

Data Generation of Layer Slice in FDM Manufacturing

Hong-Fu Zhou, Yuan-Xian Ou, Yang-Hua He, Qin Fan
The research presents a data generation method for layer slice in FDM additive manufacturing, which solves the intersection between surface STL file and slicing plane and gets the slicing counter surface data. In the research it designs the layer slicing algorithm and tests it in a FDM machine to fabricate...

Lightweight Design of Door Based On Multi-Objective and Robustness

Zhen Wang, Jie Gao, Hui-Xia Liu, Xiao Wang
Aiming at the problem that the study of vehicle door lightweight is mostly the single-objective optimization, and do not take unconcern factors into consideration, the vehicle door lightweight research of multi-objective optimization and robustness analysis is conducted. Firstly, the sensitivity analysis...

Design and Study on Mechanical Properties of Aircraft Wing Lift Simulation Device

Qing-Bo Dou, Xiao-Chuan Liu, Rang-Ke Mou
Full scale aircraft drop test was an effective method to assess dynamic loads and response in indoor environment. Wing lift simulation with drop testing machine is to impose a dynamic load equaling the landing weight on the aircraft, so as to completely simulate the landing condition. The choice of loading...

Local Stability and Bifurcation Analysis of A Functionally Graded Material Plate

Xiao-Hua Zhang, Yan-Lin Han
In this paper, we investigated the local stability of a simply supported functionally graded material (FGM) rectangular plate subjected to the transversal and in-plate excitations in the uniform thermal environment both analytical and numerical approaches. Three kinds of critical points of the bifurcation...

Elastic-plastic Analysis and Experimental Study on the Simply Supported Bi-modulus Graphite Beam

Wen-Juan Yao, Jin-Ling Gao, Yang Yang, Yu-Ting Zhou
Based on bi-modulus theory and experimental test, the elastic-plastic model of bending bi-modulus graphite beam is established in this paper. According to the results of material test, the graphite is demonstrated to be a bi-modulus material with the ratio of compression modulus to tension modulus being...

Design of the Single Leg of the Quadruped Bionic Robot with Jumping

Liang-Wen Wang, Kang-Kang Song, Feng Zhao, Wen-Liao Du, Xin-Jie Wang
In order to achieve jumping movement gait of a quadruped bionic robot, herein, a kind of quadruped bionic robot with a single leg is designed for the purpose. The body, thigh, shin, ankle and the structure of the energy storage unit are determined by analyzing the bone structure and the muscle distribution...

Construction of industrial Robot Virtual Assemble Training System with Unity3D

Jun An, Zhuo-Tao Liu, Jin-Song Fan
By deeply analyzed virtual reality technology, industrial robot virtual assemble system and related software and hardware platform, the overall structure and fundamental configuration of virtual assemble training system applying to general industrial robot was put forward. The virtual scene and the UI...

The Realization of Synchronizing Function in Roller Automatic Production Line

Yuan Liang, Jian-Ye Sun, Cheng-Feng Wei
Roller automatic production line adopts the unit management system, and has six management control units. And each of these units takes the 840D system as the control center and adopts PROFIBUS network for communication between unit and unit. The realization of synchronization function between internal...

Design and Application of Timing Model for Tank Driving Shift

Jin-Qiu Zhang, Zi-Jian Wei, Yi-Le Liu
Aiming at the status quo of subjective factors in driving training assessment, it is difficult to quantify the wrong actions and proficiency. This paper analyzes the timing changes of the various operating parts in gear shift, designs the shift action timing model based on the change of operating state,...

Express Automatic Sorting Machine

Tian-Yang Liang, Fei Zhong, Xin Yuan, Di Yao, Nian Yue, Zhong-Wei Cheng
Express automatic sorting is one of the main problems in the domestic logistics and transportation section. At present only a few large domestic and foreign logistics companies possess automated logistics sorting lines. The sorting equipment is complex in structure, large in size, high in cost and energy...

Relationship between Injury Risk of Student Occupant and Different Driving Speed of School Bus

Liao Yi, You-Ming Tang, Na Lv, Zhen-Qun Fang
In order to study the student occupant injury risk of school bus at the driving speed exceeding 30km/h, the numerical simulation model of children occupant restraint system of school bus was built using software LS-DYNA 3D. According to the China regulation of GB24406-2012, the model was loaded with...

Force Feedback Control of Tele-Operation Based on Electro-Hydraulic Multi-Freedom Manipulator

Ming-De Gong, Kai-Wen Chen, Tao Ni
The paper presents the control strategy to solve the problems that multiple-freedom force and displacement coupling existing in the bilateral servo force-feedback control architecture for tele-operation parallel manipulators. The control strategy transfers the values of the working resistance connected...

Tact Optimization Algorithm of LED Bulb Production Line Based on CE-PSO

Xiao-Mei Hu, Yue Yu, Ming-Hang Li, Yi-Ning Jiang
With the wide use of automatic production line in manufacturing enterprises, it is very important to calculate the optimal production tact to make production lines achieve maximum productivity. A CE-PSO algorithm is applied to optimize the tact of the LED bulb production line in this paper. The main...

Optimization Design of Printing Nozzle for a Delta 3d Printer

Jun Wang, Hong-Jie Chen, Ya-Jing Gong, Quan Wang, Jun Ren
Delta 3D printer is a kind of 3D printer with parallel structure. It is easy to print and has wide adaptability. However, the complex installation, plugging of print head, surface quality of printed parts and quality of printing head limits the development of its application. This paper analyzes the...

Workbench Film Thickness Detection Based on Laser Sensor

Mo-Yun Liu, Han-Bing Tang, Ma-Chao Jin, Zhen Zhou
For large heavy-duty rotary table, in order to improve the machining precision of the workbench in practical work, the workbench is usually set above the oil film with stable thickness. Therefore, the accurate measurement of the oil film thickness of the workbench hydrostatic guide rail is very important...

A Numerical Study on the Resistance Prediction of a Medium Speed Craft

Shao-Quan Deng, Guo-Xiang Hou
This paper aims to study the resistance performance of a medium speed ship, the steady-state Reynolds-averaged Navier-Stokes (RANS) simulations are performed by utilizing a commercial CFD software package named Fluent. With the increasing of the ship's speed, the navigation attitude changes significantly...

The Effect Analysis of Geometry and Load Parameters on Contact Stiffness of Sprag One-way Clutch

Zhi-Hui Liu, Hong-Zhi Yan, Yu-Ming Cao, Yu-Qing Lai
The wedge-raceway contact mechanical model, considering centrifugal force of wedge and the eccentricity of the inner ring and the outer ring of the one-way clutch, is established based on Hertz contact theory. The normal contact stiffness of the sprag one-way clutch is calculated by Newton iterative...

Fracture Behavior Investigation of the Propellant Material Using the Extended Finite Element Method

Li Zhang, Jin-Zhao Huang, Zhi Lv
When simulating crack propagation process using the finite element method, we need to create singularity grids at the crack tip. And with the increase in crack length, we need a re-division of grids. This makes the calculation very complicated. The extended finite element method (XFEM) is an effective...

Study on the Adaptive Generalized Synchronization of Hetero Structure Chaotic Systems

Chamika Dias, Shu-Yong Liu, Jiang Jian, Pan Su, Xiu-Lei Wei, Qing-Chao Yang, Yuan Fang
A mathematical model of adaptive generalized chaotic synchronization(AGCS) was established to investigate the synchronization between a multi-degree freedom non-autonomous(nonlinear vibration) driving system and an autonomous chaotic (Lorenz) response system. Within the heterostructure synchronization...

Wavelet 2D Modal Curvature for Identifying Non-Uniform Cracks in Plates under Noisy Conditions

Wei Xu, Mao-Sen Cao, Yu-Feng Zhang, Maciej RadzienSki
Identifying non-uniform cracks in plates is a challenging problem worthy of exploration. 2D modal curvature is often utilized to detect damage in plates, but its capability to precisely identify non-uniform cracks has not been resolved well, largely due to two noticeable deficiencies, lack of sensitivity...

Research on the Influence of Air Pressure to High Accuracy Mass Measurement

Chang-Qing Cai, Man-Hong Hu, Jian Wang, Yue Zhang, Tao Huang, Rui-Lin Zhong, Kai Jiao
This paper analyses the influence of air pressure regarding the precise mass measuring process. The stability of air pressure to the mass determination process is discussed experimentally using the new M-one mass comparator. Due to the change of air pressure, air flow and vibration with regard to the...

Analysis on Collapse Mechanisms and Weight-efficient of Sandwich Circular Panel

Zhi-Cheng Xia, Jian-Liang Zhang, Jing-Yang Zhou, Nai-Shu Zhu
Sandwich circular panel with foam core indented by flat-end cylindrical indenter was constructed. Collapse mechanisms and influencing factors of sandwich circular panel was determined, and the mass of sandwich circular panel was lightened through theoretical analysis. The theoretical predictions were...

A Unit Cell Structure of Smooth Surfaces with Auxetic Response

Lin Yu, Hui-Feng Tan, Teng Ma, Zhen-Gong Zhou
A unit cell structure of smooth surfaces was designed in this paper. By combining the orientations of the convex of the surfaces, four different models were presented. The mechanical properties of the models were studied by numerical analysis. The techniques of the representative volume element and the...

A New Approach to Prediction of Fatigue Life For 2024-T42 Aluminum Under Variable Amplitude Loading

Yu-Bo Guo, Ke-Ge Liu, Le Liu, Zhen Tao
A new approach is explored to predict the fatigue life of 2024-T42 aluminum subjected to variable amplitude loading. The predicted fatigue lives are compared with the experimental data and those predicted by Miner's rule, which show that the fatigue lives predicted by the proposed approach agree well...

Testing Research on the Deformation Mechanism of High Manganese Steel and the Model of Surface Roughness Machined at High-Speed Cutting

Hu-Ping An, Zhi-Yuan Rui, Jun-Feng Guo
To study the deformation mechanism of high manganese steel at high-speed machining and the influence of cutting parameters on a quality of machined surface and on a tool wear, we conducted a serial of tests cutting high manganese steel with metal ceramic tool. By observing the macroscopic chip and measuring...

Effect of Robot Driving Mode on Lower Limbs Rehabilitative Training

Ke-Yi Wang, Shuai Wang, Wen-Yan Zhao, Peng-Cheng Yin, Xiao-Qiang Tang
According to the combination of lower extremity rehabilitative robot(LERR) and trainer, the effects of multi-point driving form and single point driving form on muscle force and joint torque are explored. The musculoskeletal model of lower limbs was established, based on the physiological structure of...

Research on the Single Neuron PID Control for Welding Bath Depth

Xi-Wen Liu, Chao-Ying Liu
Welding bath depth control system based on single neuron self-tuning PID is designed, and several learning algorithms for neuron weights are simulated, the simulation results show that this controller reacts quickly and has good stability. The experiment with various cross-section and seam-gap workpiece...

The Generation of Data Report of Roller Automatic Production Line Detection Unit

Yuan Liang, Jian-Ye Sun, Cheng-Feng Wei
The detecting unit of the roller automatic production line detects the key parameters of each roller and archive them, to analyze whether the roller product performance standards according to the detecting information. The detecting data was stored into SQL database using the VBS of the WinCC software...

Inference of User's Intention for Human - Robot Cooperation Based on Machine Vision

Bei-Bei Yang, Ge Liu, Xiao-Fan He, Di Zhao
An intention prediction algorithm for natural human-computer interaction based on machine vision is proposed in this paper. Firstly, the motion data of human skeletal feature point is acquired. Then, the motion data and the real-time interactive image are coupled through data processing. Meanwhile, an...

Adaptive Observer for Multi-Effectors Aircraft with Control Surface Damage

Shuang Zhang
An adaptive compensation observer is presented for fast diagnose of multi-effectors aircraft in the presence of control surfaces fault, which directly estimates the deflection angles of control surfaces. An augmented observer is designed for the estimation of system input, and an adaptive compensation...

Study on the Instrument Panel Assembly Modal Analysis Basic on CAE Technology

Zhi-Kui Ma, Lin Hua, Tian-Wen Shi
Modal performance of the automotive instrument panel has been studied in this article. Finite element software Hypersh/ OptiStruct has been used in modal analysis in this article. This paper first calculated the modal frequency and vibration shape of the instrument panel. Engineered modification has...

Finite Element Analysis on Heat Generation of Multiplate Wet Clutch

Jin-Gang Liu, Tian-Wei Zuo, Feng-Wu Shan, Jian-Wen Chen
According to wet clutch friction temperature is too high, excessive thermal stress, and other issues during the engagement. It adopted ANSYS workbench software for finite element analysis and introduced direct coupling method to complete simulated calculation and analysed of the temperature field and...

Large Crankshaft Connecting Rod Journal Fillet Multi-axis Linkage Machining Method Research and Finite Element Analysis

Fei Fu, Xiao-Yan Bao
The crankshaft is the important parts, engine crankshaft in multi-axis linkage machining crankshaft connecting rod journal fillet, due to the current solution is expensive, time consuming is too long, this paper proposes an improved scheme, make better able to take advantage of the present condition...

Research on the Three Dimensional Modeling Method of Automobile Steering Rocker Shaft Non-Circular Sector Gear

Jin-Fang Yu, Guo-Long Ding, Ya-Li Zhang
The precise 3D(Three Dimensional) modeling of the non-circular sector gear of the rocker shaft is an important basic work for the study of the mechanical properties of the automobile steering. The traditional 3D modeling method is difficult to obtain accurate model of the rocker shaft because of its...

Numerical Study of Sound Pressure Distribution in Volume Determination with Acoustic Method

Man-Hong Hu, Jian Wang, Chang-Qing Cai, Tao Huang, Rui-Lin Zhong, Kai Jiao
Stable and uniform sound distribution is a key factor in high precise volume determination of solid material especially for mass standards. A numerical study is carried out to study the distribution and uniformity of sound pressure. The FEM simulation results show that the sound pressure distribution...

The Research on Flow Past a Cylinder

Da-Wei Sun, Bing-Xi Sun
The flow around a circular cylinder is one of the classical problems in CFD, in engineering will often encounter this kind of problem, such as river flows through Piled Wharves, piers, offshore drilling platform pillar, and all kinds of large-scale industrial equipment and facilities how better resistance...