Recent Advances in Vibrations Analysis

... 2 011 Printed in Croatia A free online edition of this book is available at www.intechopen.com Additional hard copies can be obtained from orders@intechweb.org Recent Advances in Vibrations Analysis, ... ir  C(i 1) r C il f( i 1)  C1 R1r (2 .19 )  C ir  Cn R( i 1) l  C1 R( i 1) r Ril Rir   C(i 1) r Cil Cir i 1 i  Cn Rnl n Fig Waves traveling along a multi-span string  ...

Ngày tải lên: 19/06/2014, 19:20

... k i 2 (2. 42. 1) (2. 42. 2) 12 Recent Advances in Vibrations Analysis The exact Laplace inversion of Gi(i, x0; s) in close form is not feasible in general, in particular for multi-span string systems ... and k2=0. 02 Present Mode 2. 683 4.834 9.565 14.585 21 .865 FEM 12 curved elements Ref Ref 2. 680 2. 701 4. 824 4. 828 9.536 9.543 14. 527 14.535 21 .749 21 .751...

Ngày tải lên: 19/06/2014, 19:20

... ball-bearing system consists of five contact parts: the shaft, the inner ring, the rolling elements, outer ring and the housing The deformation of each part will influence the 36 Recent Advances in Vibrations ... monitoring system is the identification of early faults in rolling bearings Failures in bearings start at surface level; thus, they generate a relatively small 38 Re...

Ngày tải lên: 19/06/2014, 19:20

... of integration and parameters 1 , 2 and 3 are defined as 1  2  2  4 13 1 (14a) 52 Recent Advances in Vibrations Analysis 2  2  2  4 13 (14b) 21 3  4 5 4 (14c) Six independent ... nano-plates  54 Recent Advances in Vibrations Analysis  1nm 2nm 3nm 4nm h /b 0.1 0.2 0.1 0.2 0.1 0.2 0.1 0.2 Mode 0.1757 0. 149 4 0.1 242 0.1057 0.10 14 0.0863 0.0878...

Ngày tải lên: 19/06/2014, 19:20

... 16.3 75 20.471 20.471 24.036 2 .58 0 5. 706 5. 706 8.3 05 11. 950 11. 950 15. 0343 18.770 18.770 22.020 2.489 5. 502 5. 502 8.006 11 .51 3 11 .51 3 14.477 18.062 18.062 21.181 2.4 35 5.382 5. 382 7.831 11. 258 11. 258 ... values of grading index 72 Recent Advances in Vibrations Analysis a/h =5 a/h=10 a/h= 15 a/h=30 a/h =50 a/h=80 a/h=100 Dimensionless Fundamental Frequenc...

Ngày tải lên: 19/06/2014, 19:20

... circulating pumps for the cooling function • Bushings as an insulating structure, for connection of windings to the outside • Oil temperature indicators • Oil Level Indicator 1 06 Recent Advances in Vibrations ... are maintained, after processing 3.3 Vibration analysis by global levels In the case of application for predictive maintenance, the international technical standards, i...

Ngày tải lên: 19/06/2014, 19:20

... normalized information They are actually the inputs to the BNs The lower right part of the window displays other prototype information 120 Recent Advances in Vibrations Analysis Vibration Analysis ... shown in Fig 6, namely out-of-plane vibrations, twists, and in- plane vibrations Higher order vibrations are not considered 128 Recent Advances in Vibrations Ana...

Ngày tải lên: 19/06/2014, 19:20

... find the marker in the images 131 132 Recent Advances in Vibrations Analysis Fig 12 The image processing result using the ground-based test model The distance of two markers [mm] 81 5 81 4 81 3 81 2 ... application in different disciplines of engineering Jaffrin and Tack in their papers (Jaffrin, 20 08; Tack et al., 2006) present practical 144 Recent Advances in Vib...

Ngày tải lên: 19/06/2014, 19:20

... 5238.5 92 18.0 92 56.5 90 31.5 7548.4 7 598 .3 7332.1 99 45 .9 996 9.7 96 89. 1 8782.1 8863.5 83 79. 8 11125 11170 1 090 6 96 33.2 97 09. 6 92 77.1 14174 14217 13827 98 46.8 10046 96 72.0 Table Natural frequencies of ... Application in a Voice – Producing Element for Laryngectomized Patients Annals of Biomedical Engineering, Vol 34, No 12, pp 1 896 - 190 7, ISSN 0 090 - 696 4 Tou...

Ngày tải lên: 19/06/2014, 19:20

... 170 Recent Advances in Vibrations Analysis of code to asymmetrical multi-storey buildings is presented by Moghadam and Tso, (2000) They have developed a refined method for determination of ... ) n t (21c) (21d) 186 Recent Advances in Vibrations Analysis  with the acceleration Zn (t  t ) determined, the corresponding velocity and displacement are determined from t ...

Ngày tải lên: 19/06/2014, 19:20

... coupled partial differential equations as follows Substituting Eqs (2) and (3) into (12) yields 198 Recent Advances in Vibrations Analysis ws EI  2 J  2  b  b x GAs  x GAs  t (16) By inserting ... 200 Recent Advances in Vibrations Analysis Furthermore, satisfying alternately the unit value for one of the nodal displacement {U} and zero values for the remaining d...

Ngày tải lên: 19/06/2014, 19:20

... of thin-walled girders (STIFF, 1990), Fig 11  212 Recent Advances in Vibrations Analysis Fig 11 Program STIFF – warping of ship cross-section Influence of the transverse bulkheads is taken into ... expected 216 Recent Advances in Vibrations Analysis Fig 17 Transfer function of torsional moment, χ =120 °, U=25 kn, x=155.75 m from AP Fig 18 Transfer function of horizontal...

Ngày tải lên: 19/06/2014, 19:20

... hours minutes 17 seconds Table Comparison of CPU time TSFEM hour 45 minutes 10 seconds CG 40 minutes 24 seconds 236 Recent Advances in Vibrations Analysis Conclusions Considering the influence ... node 505 Fig The variance of vertical displacement at node 505 Recent Advances in Vibrations Analysis Stochastic Finite Element Method in Mechanical Vibration 235 Fig The mean...

Ngày tải lên: 19/06/2014, 19:20

... 2011 Printed in Croatia A free online edition of this book is available at www.intechopen.com Additional hard copies can be obtained from orders@intechweb.org Recent Advances in Vibrations Analysis, ... defined in the region xx0 to distinguish it from the one defined in the region x

Ngày tải lên: 10/04/2015, 17:26

... transform methods, a survey of recent results in Zak space sequence design and analysis, and a discussion of the main open problems in this area In the paper “Tree image growth analysis using instantaneous ... communications” by N Josso et al., following EURASIP Journal on Advances in Signal Processing a linear time-varying wideband system representation, two methods for...

Ngày tải lên: 21/06/2014, 05:20