Finite Element Analysis and Optimization Design on Single Screw Pump of Offshore Petroleum Well Cementing LADS Device

2014 ◽  
Vol 941-944 ◽  
pp. 2588-2595
Author(s):  
Zhan Xu Wang
Keyword(s):  
Numerical Simulation ◽  
Mathematical Model ◽  
Optimization Design ◽  
Dynamics Analysis ◽  
Model Design ◽  
Element Analysis ◽  
Screw Pump ◽  
Simulation And Optimization ◽  
Single Screw ◽  
Assembly Simulation

The single screw mathematical model is established based on dynamics analysis, and the numerical simulation and optimization design is analyzed. Through the virtual assembly simulation and digital assembly experiments on the single screw, to obtain the compatibility of the improved single screw structure. Thereby, the matching and assembly interference of model design is tested, to optimize the improved single screw compatibility between the stator and rotor.

The Virtual Assembly Simulation and Optimization Design on Single Screw Pump of Offshore Petroleum Well Cementing LADS Device

2014 ◽  
Vol 945-949 ◽  
pp. 203-208
Author(s):  
Zhan Xu Wang
Keyword(s):  
Numerical Simulation ◽  
Mathematical Model ◽  
Optimization Design ◽  
Virtual Assembly ◽  
Dynamics Analysis ◽  
Model Design ◽  
Screw Pump ◽  
Simulation And Optimization ◽  
Single Screw ◽  
Assembly Simulation

The single screw mathematical model is established based on dynamics analysis, and the numerical simulation and optimization design is analyzed. Through the virtual assembly simulation and digital assembly experiments on the single screw, to obtain the compatibility of the improved single screw structure. Thereby, the matching and assembly interference of model design is tested, to optimize the improved single screw compatibility between the stator and rotor, and the device is achieved a dynamic interactive digital assembly in virtual reality environments.

Modelling and Dynamics Analysis of Heat Exchanger as a Distributed Parameter Process

2004 ◽  
Author(s):  
B. Savic ◽  
D. Lj. Debeljkovic
Keyword(s):  
Numerical Simulation ◽  
Mathematical Model ◽  
Heat Exchanger ◽  
Fuel Oil ◽  
Distributed Parameter ◽  
Dynamics Analysis ◽  
Real Process ◽  
Cooling Chamber ◽  
Constant Coefficients ◽  
Process Behavior

On the basis accepted and critically clarified assumptions, a non–linear and afterwards linearized mathematical model of fuel oil cooling chamber has been developed in engineering sense sufficiently correct. The model is in the form of set of partial differential equations with constant coefficients. Using the appropriate numerical simulation of the results derived, the dynamic of this process has been shown in the form of appropriate transient processes responses which quite well correspond to the real process behavior.

The Study of Optimization Design Numerical Simulation on Variable Spacing Pile-Raft Foundation

2013 ◽  
Vol 353-356 ◽  
pp. 941-945
Author(s):  
Wei Yu Wang ◽  
Tuo Zhao
Keyword(s):  
Numerical Simulation ◽  
Finite Element Analysis ◽  
Optimization Design ◽  
Analysis Model ◽  
Analysis Software ◽  
Original Design ◽  
Element Analysis ◽  
Pile Diameter ◽  
Raft Foundation ◽  
Practical Engineering

Based on practical engineering, numerical analysis model was established by using finite element analysis software. The rules about raft settlement, pile-top counterforce, soil counterforce were analysed after variable pile diameter. It is more favorable on settlement and counterforce after variable pile diameter than Original design. There is important academic significance and application value on pile raft foundation optimal design.

De Algorithm Optimization Design Research and Numerical Simulation of a New Optical Fiber F-P Sensing System

2013 ◽  
Vol 710 ◽  
pp. 484-487
Author(s):  
Ning Shan ◽  
Tuan Jie Liu
Keyword(s):  
Numerical Simulation ◽  
Mathematical Model ◽  
Optical Fiber ◽  
Optimization Design ◽  
Design Research ◽  
Algorithm Optimization ◽  
Signal Attenuation ◽  
Practical Applications ◽  
Sensing System ◽  
De Algorithm

Optical fiber F-P sensor has several advantages, such as strong anti-interference ability, quick speed and high precision. It is widely applied in detecting fields. But optical fiber F-P sensor deviates from working point easily in practical applications, it leads to output signal attenuation and the decreasing of signal noise ratio. The double wavelength optical fiber F-P sensing system is designed to solve the problem. DE algorithm mathematical model of sensing system is established, meanwhile, a higher orthogonal precision sensing system is optimization designed. The orthogonal error of sensing system is studied. The results show that DE algorithm is correct and reliable. Its run time is shorter and the error is less than 10-3. The optimization objective decreases sharply. When the length of F-P cavity changes 0~2500nm, the orthogonal error of sensing system is less than 5%. It has higher stability and anti-interference ability. These results show that the DE algorithm can be used for the structural optimization design of optical fiber F-P sensor.

scholarly journals Research on Multidisciplinary Optimization Design of Bridge Crane

2013 ◽  
Vol 2013 ◽  
pp. 1-10 ◽  
Author(s):  
Tong Yifei ◽  
Ye Wei ◽  
Yang Zhen ◽  
Li Dongbo ◽  
Li Xiangdong
Keyword(s):  
Mathematical Model ◽  
Energy Saving ◽  
Optimization Design ◽  
Metal Structure ◽  
Multidisciplinary Optimization ◽  
System Level ◽  
Bridge Crane ◽  
Element Analysis ◽  
Structure Level ◽  
Transmission Design

Bridge crane is one of the most widely used cranes in our country, which is indispensable equipment for material conveying in the modern production. In this paper, the framework of multidisciplinary optimization for bridge crane is proposed. The presented research on crane multidisciplinary design technology for energy saving includes three levels, respectively: metal structures level, transmission design level, and electrical system design level. The shape optimal mathematical model of the crane is established for shape optimization design of metal structure level as well as size optimal mathematical model and topology optimal mathematical model of crane for topology optimization design of metal structure level is established. Finally, system-level multidisciplinary energy-saving optimization design of bridge crane is further carried out with energy-saving transmission design results feedback to energy-saving optimization design of metal structure. The optimization results show that structural optimization design can reduce total mass of crane greatly by using the finite element analysis and multidisciplinary optimization technology premised on the design requirements of cranes such as stiffness and strength; thus, energy-saving design can be achieved.

Numerical Simulation of Mold Filling Process for Wax Pattern of the Impeller in Investment Casting

2011 ◽  
Vol 80-81 ◽  
pp. 965-968 ◽  
Author(s):  
Jie Zhang ◽  
Hai Wei Ye ◽  
Kang Wen Li ◽  
Gang Wang ◽  
Feng Li
Keyword(s):  
Numerical Simulation ◽  
Mathematical Model ◽  
Rheological Behavior ◽  
Investment Casting ◽  
Model Design ◽  
Filling Process ◽  
Design Quality ◽  
Injection Process ◽  
Wax Pattern ◽  
Wax Injection

This paper try to analyze the rheological behavior during the wax injection, and build a mathematical model to simulate the wax injection process. By using Moldflow, simulate a wax pattern with different ingate configurations to optimize the injection modeling product design. This study helps to improve the model design quality, shorten the development cycles, lower down the overall cost and enhanced competition in market.

Finite Element Analysis and Comparison of Screw Pump Models in Uniform Pressure

2014 ◽  
Vol 490-491 ◽  
pp. 727-732
Author(s):  
You Jun Zhang ◽  
Chen Chang Zhang
Keyword(s):  
Finite Element Analysis ◽  
Finite Element ◽  
Equivalent Stress ◽  
Three Dimensional ◽  
Dimensional Model ◽  
Three Dimensional Model ◽  
Element Analysis ◽  
Screw Pump ◽  
Single Screw ◽  
Comparison Results

This paper establishes the two-dimensional model, three-dimensional simplified model and three-dimensional of the single-screw pump stators ,and accomplishes their displacement and stress analysis in even pressure inside the stator using ANSYS software. This paper analyzes the comparison results of the combined displacement, equivalent stress and shear stress cloud in the XY plane of single screw pump stator’s three different models. The results manifest the significant differences of the three models for finite element analysis. This study validates that finite element analysis of three-dimensional model leads closer to the true situation.

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