FREE VIBRATIONS OF CATENARY RISERS WITH INTERNAL FLUID

2022 ◽  
pp. 235-246
Author(s):  
Joseph Arthur Meléndez Vásquez ◽  
Juan Pablo Julca Avila
Keyword(s):  
Free Vibrations ◽  
Internal Fluid

scholarly journals Free Vibrations of Catenary Risers with Internal Fluid

2016 ◽  
Author(s):  
Joseph Meléndez Vásquez ◽  
Juan Pablo Avila
Keyword(s):  
Free Vibrations ◽  
Internal Fluid

LARGE-AMPLITUDE FREE VIBRATIONS OF FLUID-CONVEYING PIPES ON A PASTERNAK FOUNDATION

2008 ◽  
Vol 08 (04) ◽  
pp. 615-626 ◽  
Author(s):  
L. WANG ◽  
Q. NI
Keyword(s):  
Large Amplitude ◽  
Free Vibrations ◽  
Integration Scheme ◽  
Nonlinear Frequency ◽  
Pasternak Foundation ◽  
Internal Fluid ◽  
Numerical Integration Scheme ◽  
Pipes Conveying Fluid ◽  
Large Amplitude Vibrations ◽  
Conveying Fluid

The large-amplitude free vibration problem of uniform slender pipes conveying fluid on a Pasternak foundation is studied using the principle of conservation of total energy. The temporal equation governing the large-amplitude vibrations is directly obtained from this approach by assuming a suitable admissible spatial function that satisfies the boundary conditions of the pipes. It is solved by using a standard numerical integration scheme. The numerical results, in the form of the ratio of the fundamental nonlinear frequency to the linear frequency for both the simply supported and clamped pipes conveying fluid, are presented in tables and figures for various amplitude parameters, flowing velocities of the internal fluid, and the two stiffness parameters of the Pasternak foundation.

Numerical analysis of free vibrations of rectangular plates based on different approaches

2019 ◽  
pp. 33-41
Author(s):  
Oleksandr Grigorenko ◽  
◽  
Maksym Borysenko ◽  
Olena Boychuk ◽  
Volodymyr Novytskyi ◽  
...  
Keyword(s):  
Numerical Analysis ◽  
Free Vibrations ◽  
Rectangular Plates

Free vibrations of orthotropic shells of revolution with variable parameters

1978 ◽  
Vol 14 (8) ◽  
pp. 820-825
Author(s):  
E. I. Bespalova ◽  
Ya. M. Grigorenko ◽  
A. B. Kitaigorodskii ◽  
A. I. Shinkar'
Keyword(s):  
Free Vibrations ◽  
Shells Of Revolution ◽  
Variable Parameters ◽  
Orthotropic Shells

Measurement of Young’s Modulus and Shear Modulus of Some Structures Welded Using Flux Cored Wire by Vibration Tests

2014 ◽  
Vol 216 ◽  
pp. 151-156 ◽  
Author(s):  
Liviu Bereteu ◽  
Mircea Vodǎ ◽  
Gheorghe Drăgănescu
Keyword(s):  
Shear Modulus ◽  
Arc Welding ◽  
Natural Frequencies ◽  
Free Vibrations ◽  
Vibration Modes ◽  
Cored Wire ◽  
Flux Cored Arc Welding ◽  
Longitudinal Elastic Modulus ◽  
Vibration Tests ◽  
Non Destructive

The aim of this work was to determine by vibration tests the longitudinal elastic modulus and shear modulus of welded joints by flux cored arc welding. These two material properties are characteristic elastic constants of tensile stress respectively torsion stress and can be determined by several non-destructive methods. One of the latest non-destructive experimental techniques in this field is based on the analysis of the vibratory signal response from the welded sample. An algorithm based on Pronys series method is used for processing the acquired signal due to sample response of free vibrations. By the means of Finite Element Method (FEM), the natural frequencies and modes shapes of the same specimen of carbon steel were determined. These results help to interpret experimental measurements and the vibration modes identification, and Youngs modulus and shear modulus determination.

Re-investigation of large-amplitude free vibrations of beams using finite elements

1990 ◽  
Vol 143 (2) ◽  
pp. 351-355 ◽  
Author(s):  
G. Singh ◽  
G. Venkateswara Rao ◽  
N.G.R. Iyengar
Keyword(s):  
Finite Elements ◽  
Large Amplitude ◽  
Free Vibrations
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