2015 simulia uk bob jfilename: 2015-simulia-uk-bob-johnson coke bottle fea.pdfohnson coke bottle fea
TRANSCRIPT
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REALREALREALREAL
PressurePressurePressurePressure- -- -test &test &test &test & Abaqus Abaqus Abaqus Abaqus analysisanalysisanalysisanalysis
of anof anof anof an aluminiumaluminiumaluminiumaluminium pressure vessel pressure vessel pressure vessel pressure vessel
Simulia Regional User Meeting – Cheshire, UK – November 2015
Bob Johnson BSc MSc MIMechE CEngRealistic
Engineering
AnalysisLimited
REALREALREALREAL
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CONTENTS:
1. Quick word about REAL
2. Lovely structure that is: Coke bottle
3. Physical pressure-test results
4. Finite Element Analysis prep’ work
5. 2D results
6. 3D results7. GWR
Simulia Regional User Meeting – Cheshire, UK – November 2015
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CONTENTS:
1. Quick word about REAL
2. Lovely structure that is: Coke bottle
3. Physical pressure-test results
4. Finite Element Analysis prep’ work
5. 2D results
6. 3D results7. GWR
Simulia Regional User Meeting – Cheshire, UK – November 2015
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2. Lovely structure that is: Coke bottle
Simulia Regional User Meeting – Cheshire, UK – November 2015
8.5 FL OZ (251mL)
DIET COKE
Caffeine Content:32mg/8.5 fl.oz.
“Normal” COKE
Caffeine Content:24mg/8.5 fl.oz.
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CONTENTS:
1. Quick word about REAL
2. Lovely structure that is: Coke bottle
3. Physical pressure-test results
4. Finite Element Analysis prep’ work
5. 2D results
6. 3D results7. GWR
Simulia Regional User Meeting – Cheshire, UK – November 2015
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Simulia Regional User Meeting – Cheshire, UK – November 2015
3. Physical pressure-test results
Bottle Seal Thread Vessel Tapping
ID Failure Failure Failure Location
1 140psi N/A N/A Screwed-cap
2 138psi N/A N/A Underside Dome
3 141psi 170psi N/A Underside Dome4 144psi N/A N/A Underside Dome
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Simulia Regional User Meeting – Cheshire, UK – November 2015
3. Physical pressure-test results
Bottle Seal Thread Vessel Tapping
ID Failure Failure Failure Location
1 140psi N/A N/A Screwed-cap
2 138psi N/A N/A Underside Dome
3 141psi 170psi N/A Underside Dome4 144psi N/A N/A Underside Dome
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CONTENTS:
1. Quick word about REAL
2. Lovely structure that is: Coke bottle
3. Physical pressure-test results
4. Finite Element Analysis prep’ work5. 2D results
6. 3D results7. GWR
Simulia Regional User Meeting – Cheshire, UK – November 2015
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Simulia Regional User Meeting – Cheshire, UK – November 2015
4. Finite Element Analysis prep’ work
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Simulia Regional User Meeting – Cheshire, UK – November 2015
4. Finite Element Analysis prep’ work
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Simulia Regional User Meeting – Cheshire, UK – November 2015
4. Finite Element Analysis prep’ work184mm
Ø53mm
Ø28mm
3.5mm pitch
0.5mm thk 0.3mm thk
Bottle Cap
0.3mm thk0.5mm thk
Ø27.2mm
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Simulia Regional User Meeting – Cheshire, UK – November 2015
4. Finite Element Analysis prep’ work
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Simulia Regional User Meeting – Cheshire, UK – November 2015
4. Finite Element Analysis prep’ work
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Simulia Regional User Meeting – Cheshire, UK – November 2015
4. Finite Element Analysis prep’ work
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Simulia Regional User Meeting – Cheshire, UK – November 2015
4. Finite Element Analysis prep’ work
*CONTACT PAIR, TYPE=NODE TO SURFACE, INTERACT=FRIC8
***************************************************** SLAVE, MASTER
*** *****, ******
***SC21, SC11
SC22, SC12
SC23, SC13
SC32, SC14**
*SURFACE INTERACTION, NAME=FRIC8
********************************
*FRICTION
*********
0.05
SC12 SC13
SC14
SC22 SC23
SC24
SC31
SC32
*TIE, TYPE=NODE TO SURFACE, NAME=WELD
*************************************
*** SLAVE, MASTER
*** *****, ******
***
SC31, SC24
**
No
contact
defined
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Simulia Regional User Meeting – Cheshire, UK – November 2015
4. Finite Element Analysis prep’ work
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Simulia Regional User Meeting – Cheshire, UK – November 2015
4. Finite Element Analysis prep’ workTrue stress vs true total strain
0.0
50.0
100.0
150.0
200.0
250.0
300.0
0.0% 1.0% 2.0% 3.0% 4.0% 5.0% 6.0%
True total strain
T r u e
s t r e s s
*PLASTIC
*********
211.5, 0.0000
217.4, 0.0001
223.3, 0.0003229.1, 0.0007
*************
235.0, 0.0019
*************
237.4, 0.0030
239.7, 0.0041
242.1, 0.0054
244.4, 0.0071
246.8, 0.0092
249.1, 0.0120
251.5, 0.0156253.8, 0.0201
256.2, 0.0260
258.5, 0.0335
260.9, 0.0431
*************
Alumunium Alloy
Elastic Properties
E=70,000MPa
v=0.3Plastic Properties
Seal Ma terial E=1000 MPa v=0.3
4.3%
4.3%
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CONTENTS:
1. Quick word about REAL
2. Lovely structure that is: Coke bottle
3. Physical pressure-test results
4. Finite Element Analysis prep’ work5. 2D results
6. 3D results7. GWR
Simulia Regional User Meeting – Cheshire, UK – November 2015
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Simulia Regional User Meeting – Cheshire, UK – November 2015
5. 2D Results
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Simulia Regional User Meeting – Cheshire, UK – November 2015
5. 2D Results
0
50
100
150
200
250
300
350
400
0 5 10 15 20 25 30 35 40 45 50 55 60
Imposed Overclosure (micron)
R e s u l t i n g P
r e - l o a d ( N )
Abaqus models
90N
223N
357N
1F
1G
1H
1E1D
Overclosure
2MPa target
pressure
1F 1G 1H
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0
50
100
150
200
250
300
350
400
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
ANALYSIS TOTAL TIME
I M P O S E D P R E - L O A D
( N )
COKEBOTTLE1F
COKEBOTTLE1G
COKEBOTTLE1H
Simulia Regional User Meeting – Cheshire, UK – November 2015
90N
223N
357N
1F
1G
1H
STEP1Resolve overclosure
STEP2Apply Internal Pressure
VesselFailure:1.6MPa(232psi)
58psi 116psi 174psi 232psi
5. 2D Results 1F 1G 1H
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Simulia Regional User Meeting – Cheshire, UK – November 2015
0
50
100
150
200
250
300
350
400
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
ANALYSIS TOTAL TIME
I M P O S E D P R E - L O A D
( N )
COKEBOTTLE1FCOKEBOTTLE1GCOKEBOTTLE1HPressure Thrust
90N
223N
357N
1F
1G
1H
STEP2Apply Internal Pressure
20psi
46psi
78psi
58psi 116psi 174psi 232psi
VesselFailure:1.6MPa(232psi)
5. 2D Results 1F 1G 1H
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Simulia Regional User Meeting – Cheshire, UK – November 2015
0
50
100
150
200
250
300
350
400
0 0.2 0.4 0.6 0.8 1 1.2 1.4 1.6 1.8 2
ANALYSIS TOTAL TIME
I M P O S E D P
R E - L O A D
( N )
COKEBOTTLE1FCOKEBOTTLE1GCOKEBOTTLE1HPressure Thrust
90N
223N
357N
1F
1G
1H
STEP2Apply Internal Pressure
20psi
46psi
78psi
58psi 116psi 174psi 232psi
VesselFailure:1.6MPa(232psi)
5. 2D Results 1F 1G 1H
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STEP2 / INCR1 0.2MPa
STEP2 / INCR2 0.4MPaSTEP2 / INCR3 0.6MPaSTEP2 / INCR4 0.8MPa
Simulia Regional User Meeting – Cheshire, UK – November 2015
5. 2D Results 1F 1G 1H
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Simulia Regional User Meeting – Cheshire, UK – November 2015
5. 2D Results
1F 1.8 1.60MPa 232psi
1G 1.8 1.60MPa 232psi1H 1.8 1.60MPa 232psi
1F 1G 1H
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0
50
100
150
200
250
0.00 0.50 1.00 1.50 2.00 2.50 3.00 3.50 4.00 4.50 5.00
AXIAL DISPLACEMENT (mm)
I N T E R N A L P R E
S S U R E ( p s i )
NODE 5445NODE 11808
NODE 37561
NODE 35800
Simulia Regional User Meeting – Cheshire, UK – November 2015
5. 2D Results 1F 1G 1H
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Simulia Regional User Meeting – Cheshire, UK – November 2015
5. 2D Results
0
50
100
150
200
250
300
350
400
0 5 10 15 20 25 30 35 40 45 50 55 60
Imposed Overclosure (micron)
R e s u l t i n g P
r e - l o a d ( N )
Abaqus models
90N
223N
357N
2F
2G
2HOverclosure
4MPa target
pressure
4MPa target pressureSymmetryU2=0
2F 2G 2H
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Simulia Regional User Meeting – Cheshire, UK – November 2015
5. 2D Results
18.4%PEEQ
18.4% PEEQ
4.3%PEEQ
4MPatargetpressure
2F
2G
2H
1.970 3.88MPa 563psi
1.970 3.88MPa 563psi
1.970 3.88MPa 563psi
2F 2G 2H
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Simulia Regional User Meeting – Cheshire, UK – November 2015
5. 2D Results
I n t e r n a
l P r e s s u r e ( p s i )
Displacement
20
80
232
563
Dome TransitionFailure
Threaded capfailure
SealFailure
2F 2G 2H
1F 1G 1H
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Simulia Regional User Meeting – Cheshire, UK – November 2015
5. 2D Results
I n t e r n a
l P r e s s u r e ( p s i )
Displacement
20
80
232
563
Dome TransitionFailure
Threaded capfailure
SealFailure
Seal Failure 140psi
Thread Failure 170psi
PHYSICAL TEST
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CONTENTS:
1. Quick word about REAL
2. Lovely structure that is: Coke bottle
3. Physical pressure-test results
4. Finite Element Analysis prep’ work5. 2D results
6. 3D results7. GWR
Simulia Regional User Meeting – Cheshire, UK – November 2015
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Simulia Regional User Meeting – Cheshire, UK – November 2015
6. 3D Results
Symmetry
U 3=0
Symmetry
U 2 =0
Single-point
constraintU 1=0
Y YY Y
Z ZZ Z
X XX X
3H
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Simulia Regional User Meeting – Cheshire, UK – November 2015
6. 3D Results 3H
Si li R i l U M ti Ch hi UK N b 2015
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Simulia Regional User Meeting – Cheshire, UK – November 2015
6. 3D Results 3H
Si li R i l U M ti Ch hi UK N b 2015
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Simulia Regional User Meeting – Cheshire, UK – November 2015
6. 3D Results 3H
Simulia Regional User Meeting Cheshire UK November 2015
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Simulia Regional User Meeting – Cheshire, UK – November 2015
6. 3D Results 3H
Simulia Regional User Meeting Cheshire UK November 2015
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Simulia Regional User Meeting – Cheshire, UK – November 2015
6. 3D Results
Simulia Regional User Meeting Cheshire UK November 2015
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CONTENTS:
1. Quick word about REAL
2. Lovely structure that is: Coke bottle3. Physical pressure-test results
4. Finite Element Analysis prep’ work5. 2D results
6. 3D results
7. GWR
Simulia Regional User Meeting – Cheshire, UK – November 2015
Simulia Regional User Meeting – Cheshire UK – November 2015
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Simulia Regional User Meeting – Cheshire, UK – November 2015
7. Guinness World Record
26miles and 385yds:
Completed 5:50:08
New World Record for
“three-dimensional bird”