D DH
2
(1 2 ) tr( ) 1
tr( )
6 1- 2
D D
H
v v
E D E
σ Hσ Hσ
E v
D σ H H D 1 tr( ) 3
D
σ σ σ H (I D)12 1tr
3
H
D D
1 2
(ID) (ID)diag 1
(ID)diag P (ID P)
1/ 2 1/ 2 1
(ID) P I( D)diagP Iij P (ID)
2 2
1 2
tr( ) tr( )
(1 2 ) 1
[ ] tr( )
6 1- 1- 2
D D
H H
v v
E D D E
σ σ Hσ Hσ
x max(0, )x
min(0, )
x x
+
-1 2
tr( ) tr( )
(1 2 ) 1
= [ ] ( )
3 1-
1-D D
H H
v v
E D D E
σ σ
ε I Hσ H
σ I 1 2 3 1 1 1 1 1 1 2 2 1 3 3 1 1 2 1 3 1 1
1 2 1
1 3 1
1 1 1
3 1 1 1 1 3 1 1 e e H e D v E D D D
E D D
1
(1 H)
K D K
D
1, 2, 3
x x x
1 2
3
D D
D
D
1 2 3
1 (D D D, , )
E
ε B σ
B
1
X B
12 13
11 12 21 13 31
1 1 1
23
22 23 32 33
2 2 3
, , ,
, , ,
E E E
B B B v B B v
E E E
E E E
B B B v B
E E E
i
1
X X2 E1 E2
121 1 1
12 1
2
1 E (1 )(2 E ) D
E E
2 2 1
12 2
1
1 E (1 )[2 (1 )E ] D
E E
1 12 1 2 1 1 2 H E D E :
σ C ε 1 1
: v v tr( )
E E
ε C σ σ σ I C
σ σ
+
-1 2
tr( ) tr( ) 1
[ ] [( )]
3 1-
1-D D D
H H
D D
σ σ
σ I Hσ Hσ
1/ 2 1/ 2 ( ) : 1 2
( ) ( ) ( ) [(1 tr ) tr (1 tr ) tr ]
3 tr 3 3
I - D σ
σ I - D σ I - D I - D D σ D σ I
D
eq
eq
+ 2 + + = = eq
ε :ε
ε= eq (tr ) 0 f D
0
tr
(tr ) a tan[ arctan( )]
aA a
0
f f 0 f 0
(tr ) D
(tr )
D 0 (0)
(tr ) D
a A
E v 0 (0)
( ; ) : F F Y ε Y ε
tr( ) tr( )
F
D ε D ε
Y
0
f f 0
1
tr ( eq)
D
1
( ) tr( ) eq eq
eq d D 1 [ ( )] tr( )
tr( ) tr( )
eq eq eq d d
D
ε ε
1
( ( )) tr( )
tr( ) tr( )
eq eq eq d d
D
D ε ε
ε ε
2
2
tr( ) ( eq)
ε eq
1
2 2
( eq) eq
1 0 0
0 0 0 0 0 0 ε 1 2 2 0 0 0 0 0 0 0 0 ε
1 0 0
0 0 0 0 0 0 D D 1 X 2 2
0 0 0
0 0 0 0 ε 2 2 2 2 2
0 0 0
0 0 0 0 ε 2 2
0 0 0
0 0 0 0 D D D E 1 2 tr tr tr
3 (1 tr ) 3 (1 tr )
3 3
K K
σ σ ε D D K
trD1
3 (1 tr )K D
1 2
tr tr tr
3K 3K
σ σ
ε
1 tr
3 Dc D
1 2
1 (1 tr ), 2 (1 tr )
3 3
K K D K K D
1 2
3
tr 3
c
c
D
D
D
2
1 (1 ), 2 (1 )
3
c c
K K D K K D
2
3 tr Dc
D
1 (1 c), 2 (1 c)
K K D K K D
c
D
2
D ε
( )
D D DD Dc n
n n
2 (1G Dc) D K[(1 Dc) tr (1 Dc) tr ]
σ ε ε ε I
/ 2(1 ) GE
( 1) 1 : 1
eq n n n
ε ε
( 1) (tr )
trial eq n n
f D 0
f Dn1Dn f 0
2 2 1 1 1 2 ( 1) tr tr
n n n
n n eq n
D D D ε
D D
D Dn1 Dn εn 1 2
1 : 1
n n
σ C ε
1
1/ 2 1/ 2 1
1
1 1 1 1
1 2 1 1 1 1 ( ) : ( ) ( ) ( )
3 tr( ) 1
[(1 tr ) tr (1 tr ) tr ]
3 3
n n n
n n n n
n n n n n
I D σ
σ I D I D I D
D
2
385m / kg 19.98μm
21 2 C
24GPa, 0.2,
E v 1=3 2 0.5 a 2.88605e 4, 7.7e3,
A k0 1.35e 4, E v 1 2 a A k, , 0
3.21MPa
C
: σ C ε
trε0,
1/ 2 1/ 2 ( ) ( )
2 [( ) ( ) ] (1 tr )
3 tr
G K
I D I D
C I D I D D I I
D
trε0,
1/ 2 1/ 2 ( ) ( )
2 [( ) ( ) ]
3 tr
G K
I D I D
C I D I D I I
D
/[2(1 )]
GE GK/[3(1 2 )]
A B (AB)ijkl A Bik jl
B
11
1 2 3 1
(1 ) 4 1 1 1 2
( )
9 1 1 1 3(1 H)
B
D D D D
12 21
1 2 3 1
(1 ) 2 2 1 1 2
( )
9 1 1 1 3(1 H)
B B
D D D D
13 31
1 2 3 1
(1 ) 2 1 2 1 2
( )
9 1 1 1 3(1 H)
B B
D D D D
22
1 2 3 1
(1 ) 1 4 1 1 2
( )
9 1 1 1 3(1 H)
B
D D D D
23 32
1 2 3 1
(1 ) 1 2 2 1 2
( )
9 1 1 1 3(1 H)
B B
D D D D
33
1 2 3 1
(1 ) 1 1 4 1 2
( )
9 1 1 1 3(1 H)
B
D D D D
B 11
1 2 3 2
(1 ) 4 1 1 1 2
( )
9 1 1 1 3(1 H)
B
D D D D
12 21
1 2 3 2
(1 ) 2 2 1 1 2
( )
9 1 1 1 3(1 H)
B B
D D D D
13 31
1 2 3 2
(1 ) 2 1 2 1 2
( )
9 1 1 1 3(1 H)
B B
D D D D
22
1 2 3 2
(1 ) 1 4 1 1 2
( )
9 1 1 1 3(1 H)
B
D D D D
23 32
1 2 3 2
(1 ) 1 2 2 1 2
( )
9 1 1 1 3(1 H)
B B
D D D D
33
1 2 3 2
(1 ) 1 1 4 1 2
( )
9 1 1 1 3(1 H)
B
D D D D