A New Method of Plunger Lift Dynamic Analysis and Optimal Design for Gas Well Deliquification

2008 ◽  
Author(s):  
Yula Tang ◽  
Zheng Liang
Keyword(s):  
Optimal Design ◽  
Dynamic Analysis ◽  
New Method ◽  
Gas Well

Optimal Design of Computerized Flat Knitting Machine Cam Curves Based on UG and ANSYS/LS-DYNA

2014 ◽  
Vol 529 ◽  
pp. 410-414
Author(s):  
Cang Zhao ◽  
Guang Li Song ◽  
Lei Xu
Keyword(s):  
Finite Element ◽  
Optimal Design ◽  
Dynamic Analysis ◽  
Maximum Stress ◽  
Analysis Software ◽  
Forming Process ◽  
Polynomial Curve ◽  
Circular Arcs ◽  
Design Software ◽  
Straight Lines

By combining the industrial design software UG and finite element dynamic analysis software ANSYS/LS-DYNA, the paper respectively designs the non-linear knitting cams with polynomial curves, and simulates the loop-forming process in the interaction between the cams and needles. Based on comparative analyses, it’s thereby concluded that the polynomial curve has the best performance and is significantly superior to the cam curve composed of straight-lines and circular-arcs; the elements with higher stresses are located above the butt of needle jack and the joint of the jack and latch needle; and the polynomial curve is effective in lowering the maximum stress of the needle.

A New Method and Automatic Generation for Dynamic Analysis of Complex Planar Mechanisms Based on the Ordered Single-Opened-Chains

1994 ◽  
Author(s):  
Jian-Qing Zhang ◽  
Ting-Li Yang
Keyword(s):  
Dynamic Analysis ◽  
Dynamic Equation ◽  
Automatic Generation ◽  
The Other ◽  
New Method ◽  
Complex Mechanism ◽  
Planar Mechanisms ◽  
Spatial Mechanisms ◽  
General Dynamic

Abstract This work presents a new method for kinetostatic analysis and dynamic analysis of complex planar mechanisms, i.e. the ordered single-opened-chains method. This method makes use of the ordered single-opened chains (in short, SOC,) along with the properties of SOC, and the network constraints relationship between SOC,. By this method, any planar complex mechanism can be automatically decomposed into a series of the ordered single-opened chains and the optimal structural decomposition route (s) can be automatically selected for dynamic analysis, the paper present the dynamic equation which can be used to solve both the kinetostatic problem and the general dynamic problem. The main advantage of the proposed approach is the possibility to reduce the number of equations to be solved simultaneously to the minimum, and its high automation as well. The other advantage is the simplification of the determination of the coefficients in the equations, and thus it maybe result in a much less time-consuming algorthem. The proposed approach is illustrated with three examples. The presented method can be easily extended to the dynamic analysis of spatial mechanisms.

Analysis and Optimal Design of Spatial Mechanical Systems

1987 ◽  
Author(s):  
H. Ashrafeiuon ◽  
N. K. Mani
Keyword(s):  
Sensitivity Analysis ◽  
Optimal Design ◽  
Dynamic Analysis ◽  
Equations Of Motion ◽  
Mechanical Systems ◽  
Design Sensitivity ◽  
General Purpose ◽  
Design Sensitivity Analysis ◽  
Analysis And Design ◽  
Spatial Systems

Abstract This paper presents a new approach to optimal design of large multibody spatial mechanical systems. This approach uses symbolic computing to generate the necessary equations for dynamic analysis and design sensitivity analysis. Identification of system topology is carried out using graph theory. The equations of motion are formulated in terms of relative joint coordinates through the use of velocity transformation matrix. Design sensitivity analysis is carried out using the Direct Differentiation method applied to the relative joint coordinate formulation for spatial systems. Symbolic manipulation programs are used to develop subroutines which provide information for dynamic and design sensitivity analysis. These subroutines are linked to a general purpose computer program which performs dynamic analysis, design sensitivity analysis, and optimization. An example is presented to demonstrate the efficiency of the approach.

Optimal Design of Downhole Pump, Velocity String and Plunger Lift for Gas Well Deliquification in Tripura using Dynamic Simulator OLGA

2019 ◽  
Author(s):  
Avinav Kumar ◽  
Rajeev Bansal ◽  
Avanish Chaubey ◽  
Saurabh Rajvanshi ◽  
Sagun Devshali ◽  
...  
Keyword(s):  
Optimal Design ◽  
Gas Well ◽  
Dynamic Simulator

Dynamic analysis and optimal design of exposure device of laser detector based on a virtual prototype

2009 ◽  
Author(s):  
Da Xu ◽  
Jian-xun Zhao ◽  
Jun-biao Hu ◽  
Hua Li ◽  
Chuan-you Wang ◽  
...  
Keyword(s):  
Optimal Design ◽  
Dynamic Analysis ◽  
Virtual Prototype ◽  
Laser Detector

A New Method for Dynamic Analysis of Mistuned Bladed Disks Based on the Exact Relationship Between Tuned and Mistuned Systems

2002 ◽  
Vol 124 (3) ◽  
pp. 586-597 ◽  
Author(s):  
E. P. Petrov ◽  
K. Y. Sanliturk ◽  
D. J. Ewins
Keyword(s):  
Dynamic Analysis ◽  
Frequency Response Function ◽  
New Method ◽  
Test Cases ◽  
Finite Element Models ◽  
Bladed Disks ◽  
Sector Model ◽  
Bladed Disk ◽  
Parametric Studies ◽  
Exact Relationship

A new method for the dynamic analysis of mistuned bladed disks is presented. The method is based on exact calculation of the response of a mistuned system using response levels for the tuned assembly together with a modification matrix constructed from the frequency response function (FRF) matrix of the tuned system and a matrix describing the mistuning. The main advantages of the method are its efficiency and accuracy, which allow the use of large finite element models of practical bladed disk assemblies in parametric studies of mistuning effects on vibration amplitudes. A new method of calculating the FRF matrix of the tuned system using a sector model is also developed so as to improve the efficiency of the method even further, making the proposed method a very attractive tool for mistuning studies. Various numerical aspects of the proposed method are addressed and its accuracy and efficiency are demonstrated using representative test cases.

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