powerpoint 프레젠테이션 · gh h gh e g u v g gc dv tdv u u dv n u da f u dv * ³ ³ ³ ³ ³...
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![Page 1: PowerPoint 프레젠테이션 · GH H GH E G U V G GC dV TdV u u dV n u dA f u dV * ³ ³ ³ ³ ³ 21 T TdV c TdV k T dV qn TdA 0 , , ³ ³ ³ ³ V V V E H G TG GT G ij ij E i ij](https://reader033.vdocuments.net/reader033/viewer/2022060707/6073b19f99506a3c25015285/html5/thumbnails/1.jpg)
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2( ) ( )u u u + + =
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i ij ij
u fx
− =
0i
i
qT s
x
= −
: stresses
: body force
: density
: displacements
: equilibrium temperature
: entropy rate per unit volume
: thermal flux
ij
i
i
i
f
u
T
s
q
s
r
0
: elasticity tensor
: strain tensor
: thermomechanical coupling tensor
: specific heat capacity
: temperature
k : thermalconductivities
ijkl
ij
ij
E
ij
C
C
e
b
q
ij ijkl kl ijC T = −
0ij ij E
Ts c
T = +
1( )
2
jiij
j i
uu
x x
= +
i ijj
Tq k
x
= −
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ij ijkl kl ij ij i i ij j i i iV V V VC dV TdV u u dV n u dA f u dV
− + = +
21
0 , ,ij ij E i ij j i iV V VT TdV c TdV k T dV q n TdA
+ + = −
= uu H U = H Θ u =B U ,i = B Θ
: displacement vector
: temperature
: strain vector
: nodal displacementvector
: nodal temperature vector
: displacement interpolation matrix
: temperature interpolation matrix
: strain-displecement matrix
: temper
q
e
Q
u
q
u
q
u
U
H
H
B
B ature-gradient interpolation matrix
: nodal force vectorF
+ + =u uuqMU K K U FQ
+ + =uq qq qqC U C K QQ Q
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Navier's equation Ordinary differential equation
Transformed responseResponse
Analytical solution
Inverse integral transformation
Finite Element Analysis
Integral transformation
![Page 25: PowerPoint 프레젠테이션 · GH H GH E G U V G GC dV TdV u u dV n u dA f u dV * ³ ³ ³ ³ ³ 21 T TdV c TdV k T dV qn TdA 0 , , ³ ³ ³ ³ V V V E H G TG GT G ij ij E i ij](https://reader033.vdocuments.net/reader033/viewer/2022060707/6073b19f99506a3c25015285/html5/thumbnails/25.jpg)
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50 μm
60 μm
70 μm
80 μm
90 μm
100 μm1
2
3
4
5
6
1
2
3
4
5
6
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+ + =
+ + =
u uu
u
q
q qq qq
MU K K U F
C U C K Q
Q
Q Q
+ + =MU CU KU F
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2
2( 2 ) ru
r z t
+ + =
2
2
( )( 2 ) zur
z r r t
+ − =
:1st Lame parameter
: 2nd Lame parameter
:
:
r r z
r z
u u u
r r z
u u
z r
+ +
−
1
0
ˆ ( , , ) ( , , ) ( ) j tr ru z k u z r t rJ kr e drdt
+ +
−
=
0
0
ˆ ( , , ) ( , , ) ( ) j tz zu z k u z r t rJ kr e drdt
+ +
−
=
0
1
( ) : Bessel functions of the zeroth order
( ) : Bessel functions of the first order
J kr
J kr
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0
0
ˆ ( , , ) ( , , ) ( )j tz zu z k e dt u z r t rJ kr dr
+ +
−
=
1
0
ˆ ( , , ) ( , , ) ( )j tr ru z k e dt u z r t rJ kr dr
+ +
−
=
0
0
1ˆ( , , ) ( , , ) ( )
2
j tz zu z k e dk u z k kJ kr d
+ +−
−
=
1
0
1ˆ( , , ) ( , , ) ( )
2
j tr ru z k e dk u z k kJ kr d
+ +−
−
=
40
0
1
( ) : Bessel functions of the zeroth order
( ) : Bessel functions of the first order
J kr
J kr
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( , )( , )
0zz
f r tr t
=
at z h
at z h
= +
= −
( , ) 0rz r t = at z h=
[ ( ) ( / 2)] ( )H r H r d t− −( ) Heaviside step function
beam diamter
H x
d
=
=
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ˆ ( , , ) cosh( ) cosh( ) sinh( ) sinh( )r s s a au z k A k z D z B k z C z = − + −
ˆ ( , , ) sinh( ) sinh( ) cosh( ) cosh( )z s s a au z k A z D k z B z C k z = − − − −
0 0ˆ ˆ( , , ) ( , ) ( , ) ( ) ( , ) ( , ) ( )
s a
s j t a j tz z z
k k
u h x t H h f k kJ kr e d H h f k kJ kr e d + +
− −
− −
= +
1 1ˆ ˆ( , , ) ( , ) ( , ) ( ) ( , ) ( , ) ( )
s a
s j t a j tr r r
k k
u h x t H h f k kJ kr e d H h f k kJ kr e d + +
− −
− −
= +
![Page 43: PowerPoint 프레젠테이션 · GH H GH E G U V G GC dV TdV u u dV n u dA f u dV * ³ ³ ³ ³ ³ 21 T TdV c TdV k T dV qn TdA 0 , , ³ ³ ³ ³ V V V E H G TG GT G ij ij E i ij](https://reader033.vdocuments.net/reader033/viewer/2022060707/6073b19f99506a3c25015285/html5/thumbnails/43.jpg)
43
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44
0 10 20 30 40 50 60 70 80 90 100-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
0 10 20 30 40 50 60 70 80 90 100-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
0 10 20 30 40 50 60 70 80 90 100-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
0 10 20 30 40 50 60 70 80 90 100-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
![Page 45: PowerPoint 프레젠테이션 · GH H GH E G U V G GC dV TdV u u dV n u dA f u dV * ³ ³ ³ ³ ³ 21 T TdV c TdV k T dV qn TdA 0 , , ³ ³ ³ ³ V V V E H G TG GT G ij ij E i ij](https://reader033.vdocuments.net/reader033/viewer/2022060707/6073b19f99506a3c25015285/html5/thumbnails/45.jpg)
0 10 20 30 40 50 60 70 80 90 100-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
0 10 20 30 40 50 60 70 80 90 100-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
0 10 20 30 40 50 60 70 80 90 100-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
0 10 20 30 40 50 60 70 80 90 100-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
45
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0 10 20 30 40 50 60 70 80 90 100-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
0 10 20 30 40 50 60 70 80 90 100-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
46
0 10 20 30 40 50 60 70 80 90 100-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
![Page 47: PowerPoint 프레젠테이션 · GH H GH E G U V G GC dV TdV u u dV n u dA f u dV * ³ ³ ³ ³ ³ 21 T TdV c TdV k T dV qn TdA 0 , , ³ ³ ³ ³ V V V E H G TG GT G ij ij E i ij](https://reader033.vdocuments.net/reader033/viewer/2022060707/6073b19f99506a3c25015285/html5/thumbnails/47.jpg)
47
0 10 20 30 40 50 60 70-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
0 10 20 30 40 50 60 70-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
0 10 20 30 40 50 60 70-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
0 10 20 30 40 50 60 70-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
![Page 48: PowerPoint 프레젠테이션 · GH H GH E G U V G GC dV TdV u u dV n u dA f u dV * ³ ³ ³ ³ ³ 21 T TdV c TdV k T dV qn TdA 0 , , ³ ³ ³ ³ V V V E H G TG GT G ij ij E i ij](https://reader033.vdocuments.net/reader033/viewer/2022060707/6073b19f99506a3c25015285/html5/thumbnails/48.jpg)
48
0 10 20 30 40 50 60 70-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
Experiment
Simulation 1
![Page 49: PowerPoint 프레젠테이션 · GH H GH E G U V G GC dV TdV u u dV n u dA f u dV * ³ ³ ³ ³ ³ 21 T TdV c TdV k T dV qn TdA 0 , , ³ ³ ³ ³ V V V E H G TG GT G ij ij E i ij](https://reader033.vdocuments.net/reader033/viewer/2022060707/6073b19f99506a3c25015285/html5/thumbnails/49.jpg)
49
0 10 20 30 40 50 60 70-1.00
-0.50
0.00
0.50
1.00
Time (s)
No
rma
l D
isp
lace
me
nt
(no
rma
lize
d)
Theory
Simulation 2
![Page 50: PowerPoint 프레젠테이션 · GH H GH E G U V G GC dV TdV u u dV n u dA f u dV * ³ ³ ³ ³ ³ 21 T TdV c TdV k T dV qn TdA 0 , , ³ ³ ³ ³ V V V E H G TG GT G ij ij E i ij](https://reader033.vdocuments.net/reader033/viewer/2022060707/6073b19f99506a3c25015285/html5/thumbnails/50.jpg)
50
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51
![Page 52: PowerPoint 프레젠테이션 · GH H GH E G U V G GC dV TdV u u dV n u dA f u dV * ³ ³ ³ ³ ³ 21 T TdV c TdV k T dV qn TdA 0 , , ³ ³ ³ ³ V V V E H G TG GT G ij ij E i ij](https://reader033.vdocuments.net/reader033/viewer/2022060707/6073b19f99506a3c25015285/html5/thumbnails/52.jpg)
52
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53
S
T
A
A =
: the total area of the frequency range.TA
: the area of the particular frequency range.SA
![Page 54: PowerPoint 프레젠테이션 · GH H GH E G U V G GC dV TdV u u dV n u dA f u dV * ³ ³ ³ ³ ³ 21 T TdV c TdV k T dV qn TdA 0 , , ³ ³ ³ ³ V V V E H G TG GT G ij ij E i ij](https://reader033.vdocuments.net/reader033/viewer/2022060707/6073b19f99506a3c25015285/html5/thumbnails/54.jpg)
54
S
T
A
A =
: the total area of the frequency range.TA
: the area of the particular frequency range.SA
![Page 55: PowerPoint 프레젠테이션 · GH H GH E G U V G GC dV TdV u u dV n u dA f u dV * ³ ³ ³ ³ ³ 21 T TdV c TdV k T dV qn TdA 0 , , ³ ³ ³ ³ V V V E H G TG GT G ij ij E i ij](https://reader033.vdocuments.net/reader033/viewer/2022060707/6073b19f99506a3c25015285/html5/thumbnails/55.jpg)
55
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56
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57
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58
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59
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60
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61
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62
ˆ ( , , ) cosh( ) cosh( ) sinh( ) sinh( )r s s a au z k A k z D z B k z C z = − + −
ˆ ( , , ) sinh( ) sinh( ) cosh( ) cosh( )z s s a au z k A z D k z B z C k z = − − − −
0 0ˆ ˆ( , , ) ( , ) ( , ) ( ) ( , ) ( , ) ( )
s a
s j t a j tz z z
k k
u h x t H h f k kJ kr e d H h f k kJ kr e d + +
− −
− −
= +
1 1ˆ ˆ( , , ) ( , ) ( , ) ( ) ( , ) ( , ) ( )
s a
s j t a j tr r r
k k
u h x t H h f k kJ kr e d H h f k kJ kr e d + +
− −
− −
= +
4 4( )cosh( )sinh( )( , )
8
s sr
s s
j k h hH h
k
−=
4 4( )sinh( )cosh( )( , )
8
a ar
s a
j k h hH h
k
−=
2 2( )sinh( )sinh( )( , )
4
s sz
s
j k h hH h
− −=
2 2( )cosh( )cosh( )( , )
4
a az
a
j k h hH h
− −=