Modeling and Analysis of Axial and Torsional Vibrations of Drillstrings with Drag Bits

2014 ◽  
Author(s):  
Jasem M. Kamel ◽  
Ahmet Yigit
Keyword(s):  
Torsional Vibrations ◽  
Modeling And Analysis ◽  
Drag Bits

Modeling and analysis of an intersection on AGT

1981 ◽  
Vol 64 (10) ◽  
pp. 18-27
Author(s):  
Yoshio Hamamatsu ◽  
Katsuhiro Nakada ◽  
Ikuo Kaji ◽  
Osamu Doi
Keyword(s):  
Modeling And Analysis

Simulation and Analysis of Two-Mass Suspension Modification Using MATLAB Programming

2019 ◽  
Vol 3 (1) ◽  
pp. 160-165
Author(s):  
Hendry D. Chahyadi
Keyword(s):  
Vibrational Energy ◽  
State Space Model ◽  
Mass System ◽  
Modeling And Analysis ◽  
The Road ◽  
Final Project ◽  
Quarter Car ◽  
Automotive Suspension ◽  
Mass Spring ◽  
Matlab Programming

The designs of automotive suspension system are aiming to avoid vibration generated by road condition interference to the driver. This final project is about a quarter car modeling with simulation modeling and analysis of Two-Mass modeling. Both existing and new modeling are being compared with additional spring in the sprung mass system. MATLAB program is developed to analyze using a state space model. The program developed here can be used for analyzing models of cars and vehicles with 2DOF. The quarter car modelling is basically a mass spring damping system with the car serving as the mass, the suspension coil as the spring, and the shock absorber as the damper. The existing modeling is well-known model for simulating vehicle suspension performance. The spring performs the role of supporting the static weight of the vehicle while the damper helps in dissipating the vibrational energy and limiting the input from the road that is transmitted to the vehicle. The performance of modified modelling by adding extra spring in the sprung mass system provides more comfort to the driver. Later on this project there will be comparison graphic which the output is resulting on the higher level of damping system efficiency that leads to the riding quality.

MODELING AND ANALYSIS OF A FASTSCANNING DIFFRACTION RADIATION ANTENNA

2016 ◽  
Vol 75 (3) ◽  
pp. 189-199 ◽  
Author(s):  
N. Burambayeva ◽  
V. Naumenko ◽  
S. Sautbekov ◽  
Yurii Konstantinovich Sirenko ◽  
Alexey A. Vertiy
Keyword(s):  
Diffraction Radiation ◽  
Modeling And Analysis
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