Theoretical Method Research on a MEMS Safety and Arming Device

2014 ◽  
Vol 901 ◽  
pp. 93-97 ◽  
Author(s):  
Fang Yi Liu ◽  
Wen Zhong Lou ◽  
Fu Fu Wang ◽  
Ying Wang
Keyword(s):  
Statistical Method ◽  
Simulation Analysis ◽  
Theoretical Calculations ◽  
Theoretical Method ◽  
Calculation Error ◽  
Spring Stiffness ◽  
Analysis Software ◽  
Element Analysis ◽  
Offset Distance ◽  
Existing Structure

With the intelligent development of small-caliber ammunition, the overall size of the fuze is compressed. In this paper, a theoretical method-energy statistical method has been proposed according to the MEMS S&A device. Taking the slider mass, micro-spring stiffness, latch mechanism size, and initial offset distance into account, the conversion relationship among each part of energy in the process is obtained. For an existing structure of MEMS S&A device, known parameters are utilized to reverse the overload value at arming condition. The ANSYS/LS-DYNA finite element analysis software is used for simulation analysis, thereby confirming the feasibility of theoretical calculations. Also, theoretical calculation error ε is obtained, which to be 0.7%. Energy statistical method and simulation analysis serve as theoretical references for the design of the MEMS S&A device.

Dynamic Analysis of DVG 850 High-Speed Machining Center

2012 ◽  
Vol 487 ◽  
pp. 203-207
Author(s):  
Gong Xue Zhang ◽  
Xiao Kai Shen
Keyword(s):  
High Speed ◽  
Simulation Analysis ◽  
Response Analysis ◽  
Improved Method ◽  
Analysis Software ◽  
Element Analysis ◽  
Harmonic Response ◽  
Machining Center ◽  
Calculation Results ◽  
Harmonic Response Analysis

Purpose, with the application of workbench finite element analysis software, get the analysis results of DVG 850 high-speed vertical machining center via the modal analysis and harmonic response analysis. Use the calculation results for reference, put forward the improved method, and prove the credibility of the simulation analysis by testing DVG 850 prototype.

Simulation Analysis of Aviation Aluminum Alloy Reaming Processes by Using PCD Reamer

2020 ◽  
Vol 866 ◽  
pp. 3-11
Author(s):  
J. Yin ◽  
W. Yang ◽  
Yong Guo Wang
Keyword(s):  
Aluminum Alloy ◽  
Cutting Force ◽  
Thrust Force ◽  
Simulation Analysis ◽  
Cutting Temperature ◽  
Spindle Speed ◽  
Analysis Software ◽  
Element Analysis ◽  
Speed Increase ◽  
Cutting Processes

Cutting force and cutting temperature are two important parameters in the cutting processes. In this paper, AdvantEdge finite element analysis software was used to simulate and analyze the reaming process of aviation aluminum alloy 7050 by using PCD reamer. The cutting simulation model was established to investigate the effect of spindle speed, feed per tooth on thrust force and cutting temperature. Simulation results showed that the cutting force increased with the increase of feed per tooth at different spindle speeds. And in the case of different feed per tooth, the cutting force decreased slightly as the spindle speed increase. Besides, from the cutting temperature distributed in the reamer, the cutting temperature near the tip of the tool in the reaming process was highest, the cutting temperature increased with the increase of both spindle speed and feed per tooth.

Design and Research of a New Ultrasonic Atomizing Vibrator

2013 ◽  
Vol 328 ◽  
pp. 468-472
Author(s):  
Hua Li ◽  
Jiang Jiang Zhao ◽  
Zhen Yin ◽  
Kun Ren
Keyword(s):  
Finite Element Analysis ◽  
Steel Sheet ◽  
Vibration Mode ◽  
Simulation Analysis ◽  
Design Method ◽  
Analysis Software ◽  
Element Analysis ◽  
Vibration Displacement ◽  
The Finite Element Analysis ◽  
New Type

Based on the theory of ultrasonic vibration, a new type of ultrasonic atomizing vibrator (UAV) with a vibrating steel sheet was proposed. By using the finite element analysis software to simulation analysis and research for the new type of vibrator, the frequency and vibration mode of atomizing steel sheet was obtained and the prototype of vibrator was fabricated. The impedance and vibration displacement of the vibrator was tested and the experiment of the new type of vibrator was carried out, which verified the feasibility of the new type of vibrator design method.

Numerical Simulation of Roadway Deformation of Different Cutting Aperture

2013 ◽  
Vol 340 ◽  
pp. 892-895
Author(s):  
Xue Min Gong ◽  
Jia Yong Zhang ◽  
Li Wen Guo
Keyword(s):  
Numerical Simulation ◽  
Simulation Analysis ◽  
Wall Rock ◽  
Rock Stress ◽  
Analysis Software ◽  
Pressure Relief ◽  
Element Analysis ◽  
Gas Seepage ◽  
The Face ◽  
Roadway Deformation

Using ANSYS finite element analysis software, the crushing effect and wall rock deformation of a small high-pressure jet impacting coal were given numerical simulation analysis. It verified that impacting increased exposed area of coal in punch, providing conditions for pressure relief of internal coal seam and gas seepage. through comprehensive analysis of the rock stress and coal displacement of different roadway models after undercutting, it was determined that aperture size was 4/15 or so of roadway floor length, thus roadway fissures developed full, and maintained rock integrity, in favor of speeding up the face driving.

Design and Simulation Analysis for Power Plant Coal Storage Bunker Girder Structure

2013 ◽  
Vol 706-708 ◽  
pp. 488-491
Author(s):  
Hong Mei Fan ◽  
Yun Xu Shi
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Power Plant ◽  
Simulation Analysis ◽  
Secondary Beam ◽  
Analysis Software ◽  
Element Analysis ◽  
Main Structure ◽  
Design Requirements

The structure of the closed square storage bunker main, secondary beam are designed in detail, and has carried on the simulation using finite element analysis software ANSYS, results show that the main structure of the design to meet the design requirements.

Design and Analysis of a CFRP Drive Shaft

2013 ◽  
Vol 690-693 ◽  
pp. 3042-3045
Author(s):  
Guo Liang Zhang ◽  
Zu De Zhou ◽  
Jin Guang Zhang ◽  
Ye Fa Hu ◽  
Jing Wen Gong
Keyword(s):  
Fiber Orientation ◽  
Simulation Analysis ◽  
Drive Shaft ◽  
Carbon Fiber Reinforced Plastic ◽  
Analysis Software ◽  
Element Analysis ◽  
Main Structure ◽  
Metal Parts ◽  
Fiber Reinforced Plastic ◽  
Reinforced Plastic

According to the requirements of drive shaft, finite element analysis software SAMCEF was adopted in the simulation analysis of Carbon Fiber Reinforced Plastic (CFRP) tube which was the main structure of a CFRP drive shaft, in order to determine the parameters such as fiber orientation angles, number of plies, percentages of fiber with different angles, and stacking sequences. In this paper, the joint between CFRP tube and metal parts was designed. Specimens were manufactured and experiments were carried out. In conclusion, the results of experiments suggested that the simulation analysis predicted well the performances of the designed drive shaft.

Research on ultra-precision polisher for the internal surface of the elbow

2020 ◽  
pp. 002072092094058
Author(s):  
Ping-Ping Qu ◽  
Wei-Na Liu
Keyword(s):  
Finite Element Analysis ◽  
Surface Roughness ◽  
Finite Element ◽  
Simulation Analysis ◽  
Internal Surface ◽  
Work Piece ◽  
Analysis Software ◽  
Polishing Process ◽  
Element Analysis ◽  
Ultra Precision

Aiming at the problem of ultra-precision polishing of the bore surface of the elbow, a new ultra-precision polishing instrument is designed, which is suitable for the inner hole finishing and finishing of the elbow, and is placed in the cavity of the work piece, the flexible line connecting spherically spraying ultra-precision polishing instrument. And the simulation analysis of the polishing process in the elbow is carried out by ANSYS 11.0 finite element analysis software. It is verified that the polishing instrument can finish the ultra-precision polishing of the internal surface of the elbow, and achieve the purpose of the internal surface roughness reduction.

Simulation Analysis and Process Control of an Arch Bridge for Replacement of Tie Bars

2011 ◽  
Vol 90-93 ◽  
pp. 1720-1725
Author(s):  
Si Tian Chen ◽  
Ting Ting Yang ◽  
Li Qun Wu
Keyword(s):  
Numerical Simulation ◽  
Finite Element Analysis ◽  
Finite Element ◽  
Simulation Analysis ◽  
Steel Tube ◽  
Nonlinear Finite Element ◽  
Bridge Structure ◽  
Control Parameters ◽  
Analysis Software ◽  
Element Analysis

The numerical simulation analysis, by using senior nonlinear finite element analysis software MSC.Marc, was achieved in this paper for the tie-replacing procedures of a steel tube tied-arch filled with concrete. Through this analysis, the control parameters were accurately determined for the installing of new ties and the removing of old ties. Results of numerical analysis ensured the bridge structure stable during the replacement, made the construction of safe and convenient, and played a guiding role in the maintenance and reinforcement. The successful experience could be referenced by other similar projects.

Research of Spiral Staircase

2014 ◽  
Vol 584-586 ◽  
pp. 226-229
Author(s):  
Hai Tao Jiang ◽  
Zhan Ting Zhang
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Simulation Analysis ◽  
Constitutive Models ◽  
General Purpose ◽  
Outer Edge ◽  
Analysis Software ◽  
Element Analysis ◽  
Spiral Staircase

This paper first introduces the units which are used in general-purpose finite element analysis software ABAQUS simulation of steel and concrete as well as their material constitutive models, and then taking the simulation analysis of a spiral staircase for instance to draw displacement of a spiral staircase along the outer edge lines, the inner edge lines, and the axes of the stair treads under static loadings. By comparison, we find the rationality and insufficient points of the simplification of the spiral staircase to the calculation assumption which makes the axle wires as rod pieces. According o the displacement and stress of the spiral staircase, we give ​​some suggestions to provide some useful references to the designers of the spiral staircase.

A New Way of Virtual Prototype Design and Analysis for Tractor Steering System

2012 ◽  
Vol 605-607 ◽  
pp. 616-621
Author(s):  
Xiu Ying Tang ◽  
Dan Xiao ◽  
Ling Liu ◽  
En Rong Mao ◽  
Zheng He Song ◽  
...  
Keyword(s):  
Optimization Design ◽  
Simulation Analysis ◽  
Three Dimensional ◽  
Virtual Prototype ◽  
Steering System ◽  
Design Analysis ◽  
Secondary Development ◽  
Analysis Software ◽  
Element Analysis ◽  
Prototype Design

A new way of virtual prototype design and analysis for tractor steering system was discussed, by which the function of experimental design and optimization design for the tractor steering system was achieved with three dimensional modeling software, kinematics and dynamics analysis software, finite element analysis software and their secondary development techniques. A non-sideslip analysis system based on VC++ platform for tractor steering system was developed, and the interface between softwares and key development procedures were introduced by using Pro/E, ANSYS and ADAMS softawre analysis techniques and their secondary development techniques. Considering the factors of steering trapezoid rod and the trapezoid basic angle of steering trapezoid mechnism, the relative conclusions were got by the running instance. The experiment results showed that simulation analysis could be achieved without any abundance manual operation and the design analysis efficiency could be improved, which would provided the theoretical base for actual design analysis of tractor.

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