Influence of material distribution and damping on the dynamic stability of Bernoulli-Euler beams

被引：2
|
作者：
Garus, Sebastian [1 ]
Garus, Justyna [1 ]
Sochacki, Wojciech [1 ]
Nabialek, Marcin [2 ]
Petru, Jana [3 ]
Borek, Wojciech [4 ]
Sofer, Michal [5 ]
Kwiaton, Pawel [1 ]
机构：
[1] Czestochowa Univ Sci & Technol, Fac Mech Engn & Comp Sci, PL-42200 Czestochowa, Poland
[2] Czestochowa Tech Univ, Fac Prod Engn & Mat Technol, Dept Phys, 19 Armii Krajowej, PL-42200 Czestochowa, Poland
[3] VSB Tech Univ Ostrava, Fac Mech Engn, Dept Machining Assembly & Engn Metrol, Ostrava 70833, Czech Republic
[4] Silesian Tech Univ, Dept Engn Mat & Biomat, Konarskiego 18A, PL-44100 Gliwice, Poland
[5] VSB Tech Univ Ostrava, Fac Mech Engn, Dept Appl Mech, 17 Listopadu 2172-15, Ostrava 70800, Czech Republic
来源：
BULLETIN OF THE POLISH ACADEMY OF SCIENCES-TECHNICAL SCIENCES | 2023年 / 71卷 / 04期
关键词：
mechanical vibrations; damping; beam; dynamic stability; Mathieu equation; VIBRATION; DIVERGENCE; FLUTTER; SYSTEM;
D O I：
10.24425/bpasts.2023.145567
中图分类号：
T [工业技术];
学科分类号：
08 ;
摘要：
The study analyzed the influence of materials and different types of damping on the dynamic stability of the Bernoulli-Euler beam. Using the mode summation method and applying an orthogonal condition of eigenfunctions and describing the analyzed system with the Mathieu equation, the problem of dynamic stability was solved. By examining the influence of internal and external damping and damping in the beam supports, their influence on the regions of stability and instability of the solution to the Mathieu equation was determined.
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收藏
页数：10
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