Analytical and experimental investigation of the free vibrations of clamped plates of regular polygonal shape carrying concentrated masses

1977 ◽  
Vol 55 (4) ◽  
pp. 521-532 ◽  
Author(s):  
J.L. Pombo ◽  
P.A.A. Laura ◽  
R.H. Gutiérrez ◽  
D.S. Steinberg
Keyword(s):  
Experimental Investigation ◽  
Free Vibrations ◽  
Polygonal Shape ◽  
Concentrated Masses

Free Vibrations of Timoshenko Beams Carrying Elastically Mounted, Concentrated Masses

1993 ◽  
Vol 165 (2) ◽  
pp. 209-223 ◽  
Author(s):  
R.E. Rossi ◽  
P.A.A. Laura ◽  
D.R. Avalos ◽  
H. Larrondo
Keyword(s):  
Free Vibrations ◽  
Timoshenko Beams ◽  
Concentrated Masses

Analytical and experimental investigation on vibrating frames carrying concentrated masses

1989 ◽  
Vol 26 (4) ◽  
pp. 243-250 ◽  
Author(s):  
C.P. Filipich ◽  
L. Ercoli ◽  
R. Herrera ◽  
P.A.A. Laura ◽  
R.E. Rossi
Keyword(s):  
Experimental Investigation ◽  
Concentrated Masses

scholarly journals Dynamic properties of hybrid machine tool body – Theoretical and experimental investigation

2021 ◽  
Vol 0 (0) ◽  
Author(s):  
Norbert Kepczak ◽  
Witold Pawlowski
Keyword(s):  
Experimental Investigation ◽  
Cast Iron ◽  
Machine Tool ◽  
Dynamic Properties ◽  
Free Vibrations ◽  
Cast Material ◽  
Hybrid Machine Tool ◽  
Free Vibration Frequency ◽  
Hybrid Machine ◽  
Hybrid Construction

Abstract The article presents theoretical and experimental investigation in order to obtain dynamic properties of hybrid machine tool body in comparison with cast iron body. For this purpose, the theoretical and experimental modal analyses were carried out. The influence of the mineral cast material for filling voids on the dynamic properties of the machine tool body was discussed. During the analysis, the modes and frequencies of free vibrations, the amplitude values and the damping ratios were compared. Despite lowering the free vibration frequency of the hybrid construction, compared to the cast iron body, in some cases, the dynamic properties were affected. This could be determined on the basis of decreasing the amplitude value of the transfer function (from 12.16% to 58.66%) and the increasing the vibration damping coefficient ratio (from 12.22% to 75.24%) in the case of a hybrid body as compared to a cast iron body. The final conclusions were drawn about the application of mineral casts in the construction of machine tools and its impact on the dynamic properties of the structure.

Do moods and expectancies have unique or interactive effects?: An experimental investigation

2014 ◽  
Author(s):  
Shane Close ◽  
Victoria Adkins ◽  
Kandice Perry ◽  
Katheryn Eckles ◽  
Jill Brown ◽  
...  
Keyword(s):  
Experimental Investigation ◽  
Interactive Effects
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