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Chapter 8
3D
Analysis of 3D Structural Solids
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Contents
8.1 SOLID45: 3D SOLID45: 3D Structural Solid le!ent
8." : #a!ple: Static Analysis of an Allen $rench
8.3 3D O%er%ie$ of 3D Solid le!ents
8.4 : Allen Soc&et #ercise: 'orsional Stiffness of an Allen
Soc&et
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8.1
SOLID45: 3D
SOLID45: 3D Structural Solid le!ent
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8.1.1 SOLID45
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8.1." SOLID45 Input Data
(1)5*le!ent +a!e
SOLID45
+odes I, -, , L, /, +, O, 0
Derees of 2reedo! , , 6
7eal Constants +one
/aterial 0roperties , +, , AL0, D+S, DA/0, etc.
Surface Loads 0ressure
face 1 (-IL*, face " (I-+/*, face 3 (-O+*,
face 4 (L0O*, face 5 (LI/0*, face 9 (/+O0*ody Loads 'e!perature
;; '(I*, '(-*, '(*, '(L*, '(/*, '(+*, '(O*, '(0*
Special 2eatures 0lasticity, Creep, Stress stiffenin, Lare
deflection, Lare strain, etc.
O0'(1* ey to include e#tra shapes:
< ;; Include e#tra displace!ent shapes
1 ;; Suppress e#tra displace!ent shapes
O0'("* ey for reduced interation:< ;; 2ull interation
1 ;; nifor! reduced interation $ith hourlass control
O0'(4* ey for ele!ent coordinate syste!:
< ;; le!ent C.S. is parallel to the lo=al C.S.
1 ;; le!ent C.S. is =ased on the ele!ent I;- side
O0'(5* ey for ele!ent solution
O0'(9* ey for ele!ent solution
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8.1." SOLID45 Input Data (")5*
/aterial 0roperties> , , 6
> +, +6, +6 (or 07, 076, 076*
> , 6, 6
> AL0, AL0, AL06 (or C', C', C'6*
> D+S
> DA/0
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8.1." SOLID45 Input Data (3)5*
Loads> Surface Loads
? 0ressure
> face 1 (-IL*, face " (I-+/*, face 3 (-O+*, face 4(L0O*,
face 5 (LI/0*, face 9 (/+O0*
> ody Loads
? 'e!perature
> '(I*, '(-*, '(*, '(L*, '(/*, '(+*, '(O*, '(0*? tc.
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8.1." SOLID45 Input Data (4)5*
O0'(1*: #tra Displace!ent Shape
> < ;; Include e#tra displace!ent shapes
> 1 ;; Suppress e#tra displace!ent shapes
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8.1." SOLID45 Input Data (5)5*
O0'("*: 7educed Interation
> < ;; 2ull interation
> 1 ;; nifor! reduced interation $ithhourlass control
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8.1.3 SOLID45 output Data
+a!e Definition
L le!ent +u!=er
+ODS +odes ; I, -, , L, /, +, O, 0
/A' /aterial nu!=er
@OL: @olu!e
C, C, 6C Location $here results are reported
07S 0ressures 01 at nodes -, I, L, 0" at I, -, +, / 03 at -, ,O,
+ 04 at , L, 0, O 05 at L, I, /, 0 09 at /, +, O, 0
'/0 'e!peratures '(I*, '(-*, '(*, '(L*, '(/*, '(+*, '(O*,
'(0*
S:, , 6, , 6, 6 Stresses
S:1, ", 3 0rincipal stresses
S:I+' Stress intensity
S:B@ ui%alent stress
tc.
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8.1.4 Ite!)Seuence +u!=er
ETABLE, SEQVJ, NMISC, 10ETABLE, S1P, NMISC, 36
OutputBuantity+a!e
'AL and SOL Co!!and Input
Ite! I - L / + O 0
01 S/ISC " 1 4 3 ; ; ; ;
0" S/ISC 5 9 ; ; 8 E ; ;
03 S/ISC ; F 1< ; ; 1" 11 ;
04 S/ISC ; ; 13 14 ; ; 19 15
05 S/ISC 18 ; ; 1E 1F ; ; "
