Acoustics - Basic Physics, Theory And Methods (Paul Filippi).pdf

(14097 KB) Pobierz
448818505 UNPDF
448818505.002.png
n- .................... -.r.... pofl<t
No pori or lIuo I"'bbca.- _y b< ...",._
..;;'; '-,"""
AI
....
, _
... bJ.., _
<ioI:truMc: ...
.... •
*, '1·
udf<UWWOl.,-.....-
t
_._'
..,
.-
.... ,
"'-
11 ZI Onl
'-- "'''I roX.lIK
""".«1..... op,
~"P
A
blo"... * In,.. L.ibruy
T~ bJM ............... C...........- S<um ~. "'.......
_.0.- _ bJMI'(l
--.c_
'" 00 " C OJ ,.. M~ t • 1 , , • ) 1 ,.
448818505.003.png
Contents
Ch.pt~ I. 1'h,'ilkIIl BaM of A<'6U511a ...•........•................ I
Jl'Un-Pinrl' Uftb.rl'
IntroductIOn
I I, ~YW of IIlt'JCMIUaI of coal/nUll
I I 1 COMm'.IIon cquauons
1.1.2. Slllle equaOOl1
1.1.3. ComUlllu\-r C(jWiuons
1.1.4. Equauons at d'!IOOnlinulues •.....•
1.2. Elementary 1tCQUS1ICS . .••....•••.••• • . . . • • . . • ....•.
1.2.1. lmcarizallon for a lossleu homogenwuJ sleady simple nllid
1.2.2. Equations for entropy and voniclly: Fundamental chal'llClcr
of arousue mouon .•
I 2.3, EqwlUooS for JlRSWI'1' .nd olber RCOUSI.. qUllnu!te'S;
Wnr equal/ORI
1
12
12
U.s. Aoowtic meru. _Ie InlmJlty II
14
1.2.4. Vdoclly pc:MmoaJ •
16
1.2.6. ~I solutIOns of the ,'.. ave equatIOn In free Sp;ICC 20
1.2.1. HarmonK: "'ll"C$ ,. •••• • • ••• • 2S
1.2.8. Acoustic $QlIrces . . . .. . ..••...•••.......•••..•••••• 27
1.2.9. Boundary «Ind,IlOns . .
'
27
1.2.10. UnllJ. orden of magnnudc
. . •
13
1.2.11 Pfffeelps
... " 34
I.J. EkmmlllJ)' -.:>oustJCt of IObds: ElemmIaJ)' dulJl: WIlla
}4
1.3.' LlIIaru::lUon for lIlllSOUOpOt". ~ purdyelastx:
""'"
U.2. Compre5SlOn/CAplIll$Ion WllIU .. nd $hear/dl$lonioo .... '"e5
"
1.3.3. PlaM ,"'a'"a: Longnudmal and lrans''l:l'X w;l\U • •
• ••.••••• 37
1.3,4. Ordcr$Qrmalln,I\ldc
,
,
37
U.S. General behaviour
. . . . . . . . . . .. .
38
1,4 ConclUSIon
• • • . . . 38
8lbllosraphy
••
38
I
I
2
3S
448818505.004.png
Contents
Ch.pt~ I. 1'h,'ilkIIl BaM of A<'6U511a ...•........•................ I
Jl'Un-Pinrl' Uftb.rl'
IntroductIOn
I I, ~yw of IIlt'JCMIUaI of coal/nUll
I I 1 COMm'.IIon cquauons
1.1.2. Slllle equaOOl1
1.1.3. ComUlllu\-r C(jWiuons
1.1.4. Equauons at d'!IOOnlinulues •.....•
1.2. Elementary 1tCQUS1ICS . .••....•••.••• • . . . • • . . • ....•.
1.2.1. lmcarizallon for a lossleu homogenwuJ sleady simple nllid
1.2.2. Equations for entropy and voniclly: Fundamental chal'llClcr
of arousue mouon .•
I 2.J. EqwlUooS for JlRSWI'1' .nd olber RCOUSI.. qUllnu!te'S;
Wnr equal/ORI
10
12
12
U.s. Aoowtic meru. _Ie InlmJlty II
14
1.2.4. Vdoclly pc:MmoaJ •
16
1.2.6. ~I solutIOns of the ,'.. ave equatIOn In free Sp;ICC 20
1.2.1. HarmonK: "'ll"C$ ,. •••• • • ••• • 2S
1.2.8. Acoustic $QlIrces . . . .. . ..••...•••.......•••..•••••• 27
1.2.9. Boundary «Ind,IlOns . .
'
27
1.2.10. UnllJ. orden of magnnudc
. . •
13
1.2.11 Pfffeelps
... " 34
I.J. EkmmlllJ)' -.:>oustJCt of IObds: ElemmIaJ)' dulJl: WIlla
}4
1.3.' LlIIaru::lUon for lIlllSOUOpOt". ~ purdyelastx:
""'"
U.2. Compre5SlOn/CAplIll$Ion WllIU .. nd $heatldl$lonioo .... '"e5
"
1.3.3. PlaM ,"'a'"a: Longnudmal and lrans''l:l'X w;l\U • •
• ••.••••• 37
1.3,4. Ordcr$Qrmalln,I\ldc
,
,
37
U.S. General behaviour
. . . . . . . . . . .. .
38
1,4 ConclUSIon
• • • . . . 38
8lbllosraphy
••
38
I
I
2
,
3S
448818505.005.png
aupftl' 2. AcooNQ of t:-dcMns
P/lul J,T. Filippi
..
IntrodllCllon
2.1 Gaw:nJ S~tnrw:tlt of ~ ,*obleal
2.1 l. 'T'M '" ftjuaUOll
2. I .2. 'T'M H hnholtz ftjualtOn
2.1.3. Boundary rendluon for harmOniC regJlII<'S •••. . ....
2.1 4 EJl<'nmode$ and e1l<'nfmjUl.'ncies. condition for e~lstence and
IIllJQlICllCV of the tollltlOO
2.1. SoIlnd ftdd IMKk a p3.l1llldqwpcdoc ~ f= OIcillauons and
"
. ..
.............
2.2.1 EI~fmjun>acS and ....aenmodcs for lhe l'o"'lImann ploblcm
2.2.2. RC$Onancc fmjlleocl<'S and resonance modes For the Robin
ptoblcm
2.D Foroed I'C'Jlme for the Nromann p10blcm ....,mmodcs senc:s
upallSIOtI of ~ solllUOll
2.2.4 foroed I'C'JI"'" for the Roblll ptoblnn; up;uuoon Into a _
of the "'Ip:nmodc:s of the Laplace operator
2.3. TranslCnl phenomena re''CrbcrJtion ume ... . .. ,. . ...
2..11. A SImple one-dlmcnsional example' lIateme1l1 of the problem
2.3 2. Ei&mJnodcs upllUlOn of the 501111101'I
2.3.3 'T'M 'bounlbry _roes' IIlC'tbod
2.3" Doe$cnptlon of _lid cstablDbmcnt by a xnn of I~''C
rencetlon,
63
, . "
•• , •
..
2.3.~. Sallnd dec .. y reverberation Imle
23.6 R.....'CrbenllJOn lIme m a room
D.7. 'T'M formula ofSab.. ~
2.4 ACOUIhC rtdd llISldc a arcuw mdoslll'r Introdunton to the metbod
of K'piIrtltlOll of VlIN~
2.4.1. Dl:termmauon of the elscnrn"""" of the problem
2 4.2. R<"J'!rcscnlatJOn of lhe solllllOn of ftjuallon (2.77) u a 5C1lCli of
1M C11C'lJ1l(ldcs
2 "3 The mcIbod of xparalKlCl of .-an.a~
2.$. ElIdoiltJrft bounded by pla ...... wrfac:a; ,ntrodunlOll 10 lhe method of
11
11
.=...
71
77
251. Rel1ccuon of a ~phcrlcal "'a"e by an Infinll\: plane; the
'plane "........ and the 'JCOmelncaJ 1ICOU.\11Cl· apprOJ"maholls
2.5.2. Foroed ~me In a poI)hedraJ coclosul'<" sme rcpocsmtatlOll
of the nsponsoe by lhe 'rRaF method
2.6. GencnJ cue: lDttOOlICbOn to ~ Grur!'s ItjHCSCnUl!JOll of arollll.... fdo;b
26.1 G-..·s reprecntauon of the acoustIC prtSllure
2.6.2. Slmpl\: layer and double layer potenlla], •. .
2.63 Boundary Illlegnl ftjlllt>ons assoaalro ..,th the GI"CC1I·.
rqlftSCIlUll>Oll of tbe praIlll'<' rtdd
Bibbop-apb)
77
..... 85
OJ
"
87
.
"
66
61
..
448818505.001.png
Zgłoś jeśli naruszono regulamin