Discussion on the Design of a New Type Down-Hole BOP

2011 ◽  
Vol 84-85 ◽  
pp. 294-298
Author(s):  
Qi Ming Yang ◽  
Ying Fu ◽  
Cun Yong Guo
Keyword(s):  
Finite Element Analysis ◽  
Simple Structure ◽  
Development Prospect ◽  
Hole State ◽  
Element Analysis ◽  
The Finite Element Analysis ◽  
Blowout Preventer ◽  
Drilling Operations ◽  
New Type ◽  
Working Principle

There was a new down-hole BOP that was designed to control blowout effectively in exploiting petroleum gas. The BOP was a new blowout preventer with a good development prospect which can not only automatically shut underground, but also control and automatically discharge shut up-hole state on the ground. Through introducing structure and working principle of the BOP, as well as the finite element analysis of some key components, there has been showed that the down-hole blowout preventer met the strength requirements and had relatively high security. The down-hole blowout preventer with a simple structure can not only work reliably but also complete the act of preventing blowout and unlocking many times to prevent blowout effectively and to improve drilling operations safety and efficiency. It will have a bright development prospect.

The Study of 3-D Magnetic Field Finite Element Analysis for Giant Magnetostrictive Actuator

2012 ◽  
Vol 605-607 ◽  
pp. 1427-1430 ◽  
Author(s):  
Fan Zhang ◽  
Zhi Xin Ma ◽  
Shang Gao
Keyword(s):  
Magnetic Field ◽  
Finite Element Analysis ◽  
Finite Element ◽  
Analysis Model ◽  
Element Analysis ◽  
The Finite Element Analysis ◽  
Magnetic Field Model ◽  
Working Principle ◽  
Magnetostrictive Actuator ◽  
D Model

Based on the structure and working principle of our giant magnetostrictive actuator (GMA), the properties of the driving magnetic field were researched. A 3-D nonlinear magnetic field model of the GMA was established with the finite element analysis method, and the magnetic field distribution of the GMA was obtained with the software ANSYS. Then the 3-D model helped us to find the effects about the distribution of magnetic field of the GMA from the structure. The 3-D magnetic field finite element analysis model can give us a new tool of GMA design and analysis.

Guidelines for the Use of Approximations in Shock Response Analysis of Electronic Assemblies

1993 ◽  
Vol 115 (1) ◽  
pp. 124-130 ◽  
Author(s):  
R. F. Keltie ◽  
K. J. Falter
Keyword(s):  
Finite Element Analysis ◽  
Rigid Body ◽  
Simple Structure ◽  
Response Analysis ◽  
Element Analysis ◽  
Simply Supported ◽  
Inappropriate Use ◽  
The Finite Element Analysis ◽  
Shock Response ◽  
Electronic Assemblies

In order to reduce the time and effort to create models and prevent excessive computer run times, approximations and simplifications are often used in the finite element analysis of the shock response of electronic assemblies. Typical approximations which might be used include neglecting components which have small masses and considering highly stiff connections as rigid connections. It is difficult to determine under what conditions approximations may be applied and to what extent they affect a model’s accuracy. Rather than depending only on an analyst’s experience or intuition, guidelines are desirable to prevent the inappropriate use of approximations. To illustrate the methodology for developing guidelines, this paper examines approximations involving a simple structure which is representative of structures found in electronic assemblies. This structure consists of a rigid body attached by a flexible connection to a beam. Approximations considered were: approximating the stiffness of the connection, neglecting the mass of the rigid body, and approximating the boundary conditions of the beam as either simply-supported or clamped. In developing guidelines a large number of individual analyses were necessary. An important aspect of this investigation is our proposal for a concise format for presenting the results of many analyses. The techniques which were used to reduce the amount of data to be presented are discussed.

scholarly journals Finite element analysis of floor slab of new type assembly structure system

2021 ◽  
Vol 272 ◽  
pp. 02017
Author(s):  
Xiaomeng Zhang ◽  
Weilun Ding ◽  
Qingying Ren ◽  
Wenting Liu ◽  
Qiaji Wang
Keyword(s):  
Mechanical Properties ◽  
Finite Element Analysis ◽  
Finite Element ◽  
Concrete Structure ◽  
Hysteresis Curve ◽  
Element Analysis ◽  
Structure System ◽  
The Finite Element Analysis ◽  
Assembly Structure ◽  
New Type

In this paper, a new type of prefabricated concrete structure system is put forward, and a new type of bi-directional multi-ribbed floor is put forward in combination with this system.Finite element analysis is carried out on the floor, and its mechanical properties are analyzed, and compared with the test hysteresis curve, the rationality and correctness of the finite element analysis are obtained.

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.

Finite Element Analysis and Experimental Study for MWD Hybrid Excitation Generator

2013 ◽  
Vol 313-314 ◽  
pp. 7-10
Author(s):  
Xiao Du ◽  
De Sheng Li ◽  
En Huai Lin
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Magnetic Flux ◽  
Excitation Current ◽  
Element Analysis ◽  
Excitation Generator ◽  
Hybrid Excitation ◽  
Characteristics Analysis ◽  
New Type ◽  
Working Principle

To obtain the stable output voltage, a new type of MWD hybrid excitation generator is designed in which magnetic flux can be regulated from -2% to 22%. In the generator, hybrid excitation part and permanent magnet part work in parallel. This article introduces the working principle and structure of this generator. In addition, finite element analysis, magnetic field and regulation characteristics analysis for this generator is addressed to illustrate the variation of magnetic flux with pole length and excitation current changing. Experiments verify the design and finite element analyses.

Research on Analysis Method of Fatigue Strength for New Type Crushing Ripper Based on the Composite Load Spectrum

2014 ◽  
Vol 487 ◽  
pp. 378-384
Author(s):  
Feng Yi Lu ◽  
Xin Xin Liu ◽  
Ge Ning Xu
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Fatigue Strength ◽  
Strength Analysis ◽  
Analysis Method ◽  
Load Spectrum ◽  
Element Analysis ◽  
Structural Fatigue ◽  
The Finite Element Analysis ◽  
New Type

In view of the problem that new type crushing ripper installation of tamping equipment in circulation under the action of different load working multiple cases may occur structural fatigue damage, analysis of its force characteristic, establishment ripper rack compression bending component model, according to the working condition of the most unfavorable load combinations, using the allowable stress method to calculate structural fatigue strength; the combined effect of road load spectrum and vibrating load is also taken into consideration, then statics analysis and fatigue analysis of new type crushing ripper are calculated with the finite element analysis software Ansys Workbench. The results show that theoretical calculations are in accordance with the finite element analysis results, it evidences that the fatigue strength analysis method of crushing ripper is feasible and correct. It provides a reference for the anti-fatigue optimization design of new type crushing ripper, to guarantee its meet the operational requirements under of bad conditions.

Simulation Analysis of Support Installation Vehicle’s Working Unit Based on ADAMS

2012 ◽  
Vol 482-484 ◽  
pp. 1707-1712
Author(s):  
Hui Sheng Guan ◽  
Ke Long Luo ◽  
Dong Dong
Keyword(s):  
Finite Element Analysis ◽  
Driving Force ◽  
3D Model ◽  
Simulation Analysis ◽  
Virtual Prototyping ◽  
Element Analysis ◽  
Joint Force ◽  
The Finite Element Analysis ◽  
Adams Software ◽  
Working Principle

This paper introduces the structural composition and the working principle of the support installation vehicle. The 3D model of the support installation vehicle is established in SolidWorks and imported into ADAMS. Then the virtual prototyping model of the support installation vehicle is established with ADAMS software. The dynamically leveling angle curve of the leveling mechanism is obtained by the simulation analysis. Curves of cylinders’ driving force and the joint force are also derived. The results of simulation analysis contribute to the finite element analysis of working unit and the designs of cylinders of the support installation vehicle.

A Ultra -Super Efficiency Induction Motor Based on the Finite Element Analysis

2015 ◽  
Vol 734 ◽  
pp. 816-821
Author(s):  
Chang Qi Liu ◽  
Yu Fa Xu ◽  
Quan Feng Li ◽  
Jin Hua Bian
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Experimental Tests ◽  
Element Analysis ◽  
Loss Analysis ◽  
Motor Efficiency ◽  
The Finite Element Analysis ◽  
New Type ◽  
Material Conditions ◽  
The Cost

In order to increase the cost and material conditions as little as possible for improving the efficiency of the motor, and reduce the losses of the motor. This paper have YE3-132S-6X3 super-efficient motor loss analysis first. According to the characteristics of its loss analysis, this paper change the motor slot coordination, and through the finite element analysis, further has carried on the design of slot type and winding. Finally, in order to further reduce iron loss, this paper uses the new type of silicon steel, and then by comparing with the finite element analysis and experimental tests found YE3-132S-6X3 motor efficiency have achieved the purpose of the ultra-super efficient, and other performance parameters can also meet the requirements.

Finite Element Analysis of Capacitance Sensor

2014 ◽  
Vol 599-601 ◽  
pp. 940-943
Author(s):  
Fei Zhou ◽  
Guo Min Lin ◽  
Miao Shang ◽  
Wen Guang Zhang
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Capacitive Sensor ◽  
Application Research ◽  
Capacitance Sensor ◽  
Capacitance Change ◽  
Element Analysis ◽  
Development Status ◽  
The Finite Element Analysis ◽  
Working Principle

Capacitive sensor is a kind of parameter type sensor that capacitance is measured is converted to capacitance change. It is widely used in pressure, liquid level, displacement and other tests. In this article, the development status of capacitance sensor is showed; the working principle of capacitive sensor was introduced; through the method of grid subdivision, loading and solving of boundary conditions and the finite element post-processing, etc., the finite element analysis of capacitance sensor is complete, it has important guiding significance for capacitance sensor application research.

scholarly journals Study on Mechanical Properties of Concrete Filled Square Steel Tubular Column Joints

2016 ◽  
Vol 10 (1) ◽  
pp. 668-676
Author(s):  
Wei Shi ◽  
Xiao Sanxia ◽  
Jiang Guoping
Keyword(s):  
Mechanical Properties ◽  
Finite Element Analysis ◽  
Finite Element ◽  
Steel Plate ◽  
Protective Layer ◽  
Frame Structure ◽  
Hysteresis Curve ◽  
Element Analysis ◽  
The Finite Element Analysis ◽  
New Type

A new type of connection node filled with steel tubular column is proposed for the frame structure of concrete. In this paper, the mechanical properties and failure mechanism are studied. As shown by the finite element analysis results, the hysteresis curve attains the full standard, indicating that the joints possess good deformation performance, as well as good bearing capacity, ductility and energy dissipation capacity. Based on the results of the finite element analysis, the experimental study of this type of node is carried out. Meanwhile, a series of experiments are conducted to enhance the length of the steel plate, the effectiveness of the steel plate and the thickness of the protective layer of the steel plate.

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