Harris C.M., Piersol A.G. Harris Shock and vibration handbook
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Index terms
Links
damping ring 6.39
damping treatments 37.1
applied 37.1
benefits of 37.5
constrained-layer 37.8
free-layer 37.6
integral 37.9
rating of 37.11
tapes 37.10
damping values, comparison of 11.26 36.14 41.12
data analysis:
digital 21.16 22.16 27.14
matrix methods 28.1
statistical sampling errors 22.18
data domain 21.41
data reduction:
to frequency domain 23.6
in the response domain 23.11
for shock data 23.6 23.25
for vibration data 22.16
(See also data analysis)
data sieving 21.52
data window 14.14 14.16 14.18
DAT recorders 13.12
dead-weight load, definition of 25.1
decaying sinusoidal acceleration 23.5 23.9 23.20
decibel (dB), definition of 1.18
decoupling of modes 30.30
deflection, static 2.4
deformation, plastic 9.10
degrees-of-freedom 1.18 2.19 7.1 21.2 21.6
detectors 13.5 14.6
envelope 13.10
multiple 21.11 30.18
peak 13.7
two 31.27 31.34
delamination of composites 35.5
delta function 23.3
design criteria 41.14
design issues using composites 35.3
design lateral forces 24.17
design life 41.16
design margins 41.17
design procedure, equipment 41.2
final design 41.23
preliminary 41.20
design requirements 41.7
Index terms
Links
design response spectra 24.9
design reviews 41.24
design verification 41.25
deterministic function 1.18 22.4 22.10
analysis of 22.17 22.26
deterministic signal, stationary 14.22
deterministic vibration 1.1
development tests 20.4
DFT (see discrete Fourier
transform)
digital analysis of data 21.16 22.16 27.14
digital computers 27.1
analytical applications of 27.10
experimental applications of 27.14
types of 27.2
digital control systems, for shock and
vibration testing 27.19
digital filter 14.2
digital processing 13.13 13.17
digital recorders 13.12
digital signal processing 21.16 27.5
(See also Chaps. 14 and 22)
digital-to-analog conversion 13.16 27.6
discrete Fourier transform 14.11 21.18 22.17
displacement:
definition of 1.18
as design requirement 41.6
measurement of 12.34 17.7
displacement pickup 1.18
displacement shock 26.5
displacement transducers 12.38 16.4
displacement transmissibility 30.8 30.15 30.27
distortion 1.18
distributed-mass vibration 6.21
absorber
distributed systems 1.18
dither 13.14
driving point impedance 1.18 12.30
drop-ball shock calibrator 18.19
drop tables 26.7
drop-test calibrator 18.19
dry friction whip 5.11
ductility of metals 34.3
Duffing’s method 4.23
Duhamel’s integral 8.5 23. 4 23.14
durability test 20.16
duration of shock pulse 1.18
Index terms
Links
durometer 33.5
dwell time 14.8 14.9
dynamic disturbances; types of 32.2
dynamic environment 32.2
dynamic hysteresis 36.19
dynamic mass 12.30
dynamic reduction 28.45
dynamic response index 42.57
dynamic stability 40.9
dynamic stiffness 1.19 12.30
of isolators 32.8
dynamic vibration absorber 1.19 6.1 6.7 6.24
(See also auxiliary mass damper)
earthquake 24.5
design for 24.14 24.19
ground motion due to 24.5
simulation 24.19
earth’s gravitational field
method of
calibration 18.8
effective bandwidth 1.19
effective mass 1.19
eigenvalues 28.12
elastic axis 3.22
elastic center 3.23
elastic couplings 38.7
elastic design spectrum 24.13
elastomer 33.2
elastomeric isolators 32.1
elastomeric materials 37.2
electric filter 14.1 14.2
electric motors 40.4
electrodynamic exciters 18.23
electrodynamic transducers 12.36
electrodynamic vibration 25.7
machines
controls for 27.19
electromechanical coupling 1.19
factor
electro-optical displacement 12.32
measurement
electroplastic systems 24.12
electrostatic shields 15.20
electrostriction 1.19
endurance limit of metals 34.10
energy balance method 38.18
energy method 9.12
Index terms
Links
energy spectral density 11.9
engines 38.1
ensemble 1.19
entrainment of frequency 4.18
envelope detectors 13.10 16.17
environment:
active 32.5
aero acoustic 20.11 29.47
of concern in design 41.1
dynamic (summary) 28.37 32.2
fluid flow 29.1
ground motion 24.1
induced 1.20
natural 1.22
types of 20.2
wind 29.21
environmental conditions 21.19
environmental test specifications 20.1
equation condensation 21.52
equipment design:
practice of 41.1
for shock 41.20
for vibration 41.20
equipment loading effects 20.12 41.15
equivalent elastoplastic 24.11
resistance
equivalent fraction of critical damping 30.8
equivalent mass 6.3
equivalent static acceleration 23.12
equivalent system 1.19
equivalent viscous damping 1.19 1.26
ergodic process 1.19 11.2
error chart 21.55
European Committee for
Electrotechnical
Standardization 19.1
European Committee for Standardization 19.1
excitation:
aeroacoustic 29.47
classifications of 21.33
definition of 1.19
engine 38.16
impact 21.35
multiple-axis 20.18
periodic chirp 21.34
periodic random 21.37
pure random 21.37
Index terms
Links
excitation (Cont.)
pseudo-random 21.37
random transient 21.37
slow swept-sine 21.34
sound 29.47
step-relaxation 21.37
types of 20.17 21.34 41.3
exciters (see vibration exciters)
Experimental modal analysis 21.1 21.14
(See also modal analysis)
exponential pulses 8.40
extrapolation procedures 20.8
failure:
criteria for 11.14 41.6
definition of 20.13
false alarms 16.6
fast Fourier transform 14.11 22.17
fast Fourier transform
analyzers (see FFT analyzers)
fatigue, acoustic 29.63
fatigue diagram 34.10
fatigue failure 11.15 41.24
fatigue performance:
of composites 35.15
of metals 34.8
fatigue; tests for 34.17
fault detection in machinery 14.9 16.5
fault diagnosis in machinery 16.8
FEM (see finite element method)
FFT analyzers 14.11
FFT spectrum analysis 14.11 14.22 14.25 14.31
fiberoptic displacement sensor 12.35
field balancing machines 39.27
field calibration techniques 15.13
filter:
bandwidth of 14.3
choice of bandwidth of 14.4 22.22 22.27
definition of 1.19
digital 14.2
effective noise bandwidth of 14.3
electrical 14.1
high-pass 1.20
impulsive response of 14.4
low-pass 1.21
properties of 14.3
relative bandwidth of 14.3
response time of 14.3
Index terms
Links
finite element analysis 20.7 21.67 29.60 41.18
finite element method 20.7 27.11 28.1 28.29 28.33 38.11 41.18
finite element models
(see finite element method)
finite element programs 27.11 28.29
fixed reference transducers 12.2
flattest spectrum rule 15.4 16.4
flattop window 14.16
flexible-rotor balancing 39.4 39.8
flexibly coupled rotating 39.39
floating shock platform 26.12
flow-induced vibration 29.1 29.54
fluid bearing whip 5.12
fluid elastic instability 29.14
fluid flow 29.1
in pipes 29.16
over structures 29.54
fluid-structure interaction 28.33
flutte 29.40
flutter mechanisms 29.23
FM tape recorders 13.12
force-balance accelerometer 12.37
force factor 1.19
force gages 12.30
force measurement 17.0
force transmissibility 2.7 30.17 30.26
force transmission 2.12
forced motion 2.23
forced oscillation 1.19
forced vibration 1.1 1.19 2.7 2.8
forcing frequency 1.2
foundation 1.19
motion of 2.16 2.26
foundation-induced vibration 3.42 41.21
Fourier coefficients 22.4
Fourier series 22.4
Fourier spectrum 23.6 23.25
relation to shock spectrum 23.24
Fourier transform 14.11 23.25
discrete 21.18 22.17
finite 22.4
Fourier transform shock 18.22
calibration
fraction of critical damping 1.19 2.5 30.7 32.20 37.14
fracture energy 34.8
fracture mechanics 11.16 34.16
free-damping 11.26 37.6
2.9 7.1
Index terms
Links
free-fall calibration 15.13
free vibration 1.1 1.20 2.21 4.6
with damping 2.5 7.1
without damping 2.3
frequency:
angular 1.7 1.16 2.3
audio 1.16
circular 1.16
definition of 1.7 1.20
forcing 1.2
fundamental 1.20
natural 1.22 2.3 30.18
normalized 29.51
resonance 1.24
frequency analysis
(see spectral analysis;
spectrum analysis)
frequency domain 22.6 23.6
frequency equation 2.21
frequency resolution 21.38 22.21
frequency response function 21.7 22.8 41.25
measurement procedures 21.21 27.18
frequency response procedures 20.8
frequency sampling 14.15
friction, Coulomb 36.26
fringe-counting interferometer 18.10
fringe-disappearance interferometer 18.12
functional test 20.16
function transforms 8.9
fundamental frequency 1.20
fundamental mode of vibration 1.20
g, definition of 1.20
gage factor 12.24 17.2
galloping 29.23
galloping oscillations 29.40
Gaussian distribution 11.2 22.6
gearbox 16.7
geared systems 38.8
gear-induced vibration 40.4
generalized coordinates 2.22 2.24
generalized force 2.24
generalized impulsive response 8.23
generalized mass 2.24
generators 19.4
ghost components in 16.14
vibration spectra
Gibbs phenomenon 13.16
Index terms
Links
Goodman diagram 34.13
graphical integration 4.33
graphic level recorder 14.8
gravity, center of 3.14
gravity balancers 39.13
grinding wheels 40.2 40.6
grounding 15.21
ground loops 15.21
ground motion 24.1
earthquake-induced 24.5 24.7
machine-induced 24.3
simulated 24.19
ground vibration testing
(see modal testing)
guideways 40.6
gust-factor 29.32
Guyan reduction 28.45
gyroscope 6.26
H-type elements 28.30
half-bridge circuit 17.12
half-cycle sine-wave 8.5
half-power bandwidth 36.5 37.12
half-power point 2.18
half-sine acceleration 23.5 23.7 23.18
Hamilton’s principle 28.30
Hamming window 14.16
hand, vibrations transmitted from 42.15
hand-arm vibration syndrome 42.33
hand-held accelerometer 15.12
hand-transmitted 42.49
vibration exposure
Hanning window 14.16
hardening, definition of 4.2
hardening spring 22.6 31.10 31.14 31.24
hard failure 20.13
harmonic 1.20
harmonic motion 1.7
(See also simple
harmonic motion)
harmonic response 1.20
head impact protection 42.40
helical spring 32.9
helical spring isolators 32.9
Hertz theory of impact 9.2
heterodyne interferometer 18.15
high-acceleration methods of 18.15
calibration
Index terms
Links
high-frequency shock 26.6 26.15
high-impact shock machines 26.10
high-pass filter 1.20
Hilbert transform 14.37
homodyne interferometer 18.15
Hooke’s law 4.2
Hopkinson bar 26.13
Hopkinson bar calibrator 18.17
hum, control of
15.20
human body (see body)
human performance, 42.20 42.30
effects of shock and
vibration on
humans, effects of shock 42.1 42.20 42.23
and vibration on
(See also body)
humans, simulation of 42.4
humans, tolerance criteria 42.40
for vibration
hydraulic vibration machines 25.16
controls for 27.19
hysteresis 2.16 36.2
dynamic 36.19
static 36.21
hysteresis loss 2.18
hysteresis whirl 5.5 16.8
hysteretic damping materials 36.18
IEC 19.1
image impedance 1.20
impact 1.20
on bars 9.10
of body on a beam 9.6
effect on structures 9.1
excitation of 21.35 25.19
Hertz theory of 9.2
of mass on a beam 9.5
plastic deformation resulting from 9.10
with rebound 31.22
without rebound 31.26
of rigid body on a beam 9.6
of sphere on a plate 9.3
transverse, on a beam 9.5
of two spheres 9.2
impact-force shock calibrator 18.20
impedance:
image 1.20
measurement of mechanical 12.30
Index terms
Links
impedance (Cont.)
mechanical 1.21 6.3 10.1 10.4
definition of 1.20
transfer 1.25
(See also mechanical impedance)
impedance heads 12.32
impulse 1.20 23.21
acceleration 23.6
impulsive response:
of filters 14.4
function 21.7
generalized 8.23
impulsive-type forces 9.1
induced environments 1.20
inertia:
moment of 3.15
product of 3.15
inertial frame of reference 3.1
influence coefficients 30.35
initial conditions 2.4
insertion loss 1.20
instantaneous line spectrum 22.11
computation of 22.26
instantaneous power spectrum 22.11
computation of 22.27
integral damping treatments 37.9
integration, graphical 4.33
integration, phase-plane 4.33
interferometer calibrators 18.10
intermittent monitoring system 16.2
International Electrotechnical 19.1
Commission
International Organization for
Standardization 19.1
inverse Laplace transform 8.7
inverse power law 20.14
involute springs 32.11
ISO 19.1
isochronous system 4.6
isolation:
definition of 1.20
shock (see shock isolation)
vibration (see vibration isolation)
isolator, vibrator
(see vibration isolators)
jerk, definition of 1.20
joint acceptance function 29.58
10.5 41.16