A hybrid beam element for mathematical modelling of high-speed flexible linkages

1989 ◽  
Vol 24 (1) ◽  
pp. 29-36 ◽  
Author(s):  
Xiaochun Gao ◽  
Zhiying King ◽  
Qixian Zhang
Keyword(s):  
Mathematical Modelling ◽  
High Speed ◽  
Beam Element ◽  
Hybrid Beam

ERROR ANALYSIS OF A HYBRID BEAM ELEMENT WITH TIMOSHENKO STIFFNESS AND CLASSICAL MASS

2004 ◽  
Vol 05 (03) ◽  
pp. 495-508 ◽  
Author(s):  
P. JAFARALI ◽  
LALITHA CHATTOPADHYAY ◽  
G. PRATHAP ◽  
S. RAJENDRAN
Keyword(s):  
Error Analysis ◽  
Beam Element ◽  
Hybrid Beam

scholarly journals Brief Review and Mathematical Modelling of Air Cushioned Pressurized Paper Machine Headbox

2018 ◽  
Vol 7 (3.4) ◽  
pp. 57 ◽  
Author(s):  
Parvesh Saini ◽  
Rajesh Kumar
Keyword(s):  
Mathematical Modelling ◽  
High Speed ◽  
Paper Industry ◽  
Paper Machine ◽  
Efficient Operation ◽  
Precise Control ◽  
Paper Machines ◽  
Day By Day ◽  
Paper Machine Headbox

Today, the requirement of high grade papers is increasing day by day. To cater the need of high quality papers, new high-speed paper machines are being developed constantly. The whole economy of a pulp and paper industry depends on the quality of paper produced, quality of paper depends on the efficient operation of the major part of paper industry – paper machine. Paper machine is the heart of paper industry and has many subsystems. One of the important subsystem of paper machine is Headbox.   To have the desired quality papers, efficient working of headbox is highly required. To have desired operation from headbox, its precise control is necessary. The precise modelling of headbox, leads to design of efficient controllers for its proper control to get the desired response. This paper presents the mathematical modelling of headbox along with a brief review of various research performed on headbox.  

Harmonic Analysis of the High-Speed Winder with Unbalance Masses

2013 ◽  
Vol 300-301 ◽  
pp. 974-977
Author(s):  
Xi Hou ◽  
Hui Zhang ◽  
Sheng Ze Wang
Keyword(s):  
High Speed ◽  
Dynamic Balance ◽  
Element Model ◽  
Beam Element ◽  
Response Analysis ◽  
Rotatory Inertia ◽  
Harmonic Response ◽  
Finite Element Software ◽  
Calculation Results ◽  
Harmonic Response Analysis

A finite beam element model of the spindle which is one of key parts of the high-speed winder is presented in this paper. Critical speeds of the spindle based on the finite beam element model are obtained considering the effect of rotatory inertia, gyroscopic moments, and the damping. Harmonic response analysis of the high-speed winder spindle is developed in two conditions including static unbalance and couple unbalance. The dynamic analysis mentioned above is implemented by using the finite element software ANSYS. Calculation results in this paper are helpful for the dynamic balance of the high-speed winder spindle.

Mathematical Modelling of Reed Valve Behaviour in High Speed Two-Stroke Engines

1997 ◽  
Author(s):  
Robert Fleck ◽  
Anthony Cartwright ◽  
David Thornhill
Keyword(s):  
Mathematical Modelling ◽  
High Speed ◽  
Reed Valve

Study of Dynamics Characteristics for Precision Motor Spindle System

2013 ◽  
Vol 819 ◽  
pp. 389-392
Author(s):  
Hong Jun Wang ◽  
Qiu Shi Han ◽  
Jun Zheng
Keyword(s):  
Mechanical Properties ◽  
Finite Element ◽  
High Speed ◽  
Beam Element ◽  
Finite Element Models ◽  
Spindle System ◽  
Spring Element ◽  
Static Mechanical ◽  
Rotary Speed ◽  
Static Mechanical Properties

The structure of a precision high speed spindle system is described. The shaft and bearing finite element models of the spindle system are constructed by using the Timoshenko beam element and the spring-damper unit. The static mechanical properties of spindle system and modal analysis are studied with different spring element arrangement forms. The results showed that the rotary speed designed was far lower than the critical rotary speed which matched with the low-order modal natural frequency of the spindle,so resonance vibration could be effectively avoided.

Wide dynamic range high-speed three-dimensional quantitative OCT angiography with a hybrid-beam scan

2018 ◽  
Vol 43 (10) ◽  
pp. 2237 ◽  
Author(s):  
Taejin Park ◽  
Sun-Joo Jang ◽  
Myounghee Han ◽  
Sukyoung Ryu ◽  
Wang-Yuhl Oh
Keyword(s):  
High Speed ◽  
Dynamic Range ◽  
Three Dimensional ◽  
Oct Angiography ◽  
Wide Dynamic Range ◽  
Hybrid Beam

scholarly journals Mathematical Modelling and Analysis of Memristors with and without its Temperature Effects

2017 ◽  
Vol 63 (2) ◽  
pp. 181-186 ◽  
Author(s):  
Bhavani Prasad ◽  
Kamaraju Maddu ◽  
Venkata Lakshmi
Keyword(s):  
Mathematical Modelling ◽  
Temperature Effects ◽  
High Speed ◽  
Ionic Mobility ◽  
Complete Analysis ◽  
Matlab Simulink ◽  
The Relationship

Abstract In this paper the main goal is to study the principle structure and characteristics of single and multiple memristors and also the temperature effects. The complete analysis described here is done by using matlab Simulink. The relationship between the on resistance, off resistance and ionic mobility with respect to temperature has been analyzed and shown graphically. The memristor can be used as a High speed switch and it can be used in non volatile computer memories due to its higher switching speeds.

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