Zobrazeno 1 - 10
of 1 992
pro vyhledávání: '"free vibrations"'
Publikováno v:
INCAS Bulletin, Vol 16, Iss 4, Pp 117-129 (2024)
After creating a new Finite Elements Model (FEM) of the aircraft IAR-99 HAWK using special elements, the team decided to validate the results by performing a free-free vibrations analysis on this model. In this presentation we have described the fini
Externí odkaz:
https://doaj.org/article/4638d7babca743dda3c556f848a0dbc6
Publikováno v:
Вестник Дагестанского государственного технического университета: Технические науки, Vol 51, Iss 3, Pp 202-214 (2024)
Objective. The aim of the study is to estimate free vibrations of a continuousdiscrete multi-span beam taking into account the inertial forces of rotation. The goal is to determine the spectra of natural frequencies, damping coefficients and natural
Externí odkaz:
https://doaj.org/article/1a91fa1dd47e4b67ba872bc6e0064eb9
The dynamic analysis of stress state of the piston rod of single-stage long-stroke piston compressor
Autor:
D. I. Chernyavsky, D. D. Chernyavsky
Publikováno v:
Омский научный вестник, Vol 3 (191), Pp 22-30 (2024)
The analysis of loaded state of system piston rod – piston of single-stage longstroke piston compressor is performed. These compressors are used to change the compressed gas pressure from normal atmospheric pressure (760 mmHg = =0,101 MPa) to dis
Externí odkaz:
https://doaj.org/article/62d63d8d783844049c4426ff393206e4
Publikováno v:
INCAS Bulletin, Vol 16, Iss 3, Pp 123-132 (2024)
For the doctoral study on the influence of the aircraft external stores over the aeroelasticity behavior of the IAR-99 HAWK, we have developed a new Finite Elements Model (FEM) with new state-of-the-art methods and technologies available at the end o
Externí odkaz:
https://doaj.org/article/29b6fe6d25f94b0981a73897ef8d4027
Publikováno v:
Polymer Testing, Vol 137, Iss , Pp 108533- (2024)
Considering wide applications of Additive Manufacturing (AM), profound knowledge on the mechanical performance of AMed components is a necessity. In the present study, the mechanical behavior of AMed polymer parts under static and dynamic tests has b
Externí odkaz:
https://doaj.org/article/1958096b53f1467c9e06a0d133d77709
Publikováno v:
Известия Саратовского университета. Новая серия. Серия Математика. Механика. Информатика, Vol 24, Iss 1, Pp 49-56 (2024)
The paper examines the natural frequencies of prismatic thin shells, the cross-section of which is the regular polygon. Spectra of free vibration frequencies of such shells are analyzed as the number of cross-section sides increases, provided that th
Externí odkaz:
https://doaj.org/article/06272be22f054efc8f8277ebd918ef6c
Publikováno v:
Известия Саратовского университета. Новая серия. Серия Математика. Механика. Информатика, Vol 24, Iss 1, Pp 138-149 (2024)
Low frequencies and vibration modes of a closed circular cylindrical shell joined with annular plates are obtained by means of asymptotic methods. Two types of vibrations, corresponding to narrow and wide plates, are analyzed. If the width of the rin
Externí odkaz:
https://doaj.org/article/136810c329c04e5b8c201cc1b2ab666c
Publikováno v:
Buildings, Vol 14, Iss 11, p 3536 (2024)
In this work, the role of longitudinal shear connectors in mitigating free vibrations of steel–concrete composite beams (SCCBs) is scrutinized utilizing an innovative finite element methodology. In the proposed methodology, partial shear connection
Externí odkaz:
https://doaj.org/article/94bbcaa64bc54bf2b8737ccd44294ed9
Publikováno v:
Symmetry, Vol 16, Iss 9, p 1206 (2024)
The dynamic stiffness method is developed to analyze the natural vibration characteristics of functionally graded beams, where material properties change continuously across the beam thickness following a symmetric law distribution. The governing equ
Externí odkaz:
https://doaj.org/article/f8334d0c7312424ab8f17b0681e4ffbc
Publikováno v:
Applied Sciences, Vol 14, Iss 15, p 6446 (2024)
The study focuses on the free vibration analysis of beams made of axially functionally graded materials (AFGM) with curvilinear variable cross-sections along their length. The beams encompass various shapes, including concave and convex conic section
Externí odkaz:
https://doaj.org/article/1e75011724cc4239b055b2e74c85bce9