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8/18/2019 2015 Simulia Uk Bob JFilename: 2015-simulia-uk-Bob-Johnson coke bottle FEA.pdfohnson Coke Bottle FEA

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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



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CONTENTS:





5. 2D results

6. 3D results7. GWR



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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:





5. 2D results

6. 3D results7. GWR



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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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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:




4. Finite Element Analysis prep’ work5. 2D results

6. 3D results7. GWR



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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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*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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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:





6. 3D results7. GWR



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5. 2D Results


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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


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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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


20psi

46psi

78psi





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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 )

COKEBOTTLE1FCOKEBOTTLE1GCOKEBOTTLE1HPressure Thrust

90N

223N

357N

1F

1G

1H


20psi

46psi

78psi





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STEP2 / INCR1 0.2MPa

STEP2 / INCR2 0.4MPaSTEP2 / INCR3 0.6MPaSTEP2 / INCR4 0.8MPa




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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




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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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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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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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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:





6. 3D results7. GWR



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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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6. 3D Results 3H

Si li R i l U M ti Ch hi UK N b 2015


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6. 3D Results 3H

Si li R i l U M ti Ch hi UK N b 2015


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6. 3D Results 3H

Simulia Regional User Meeting Cheshire UK November 2015


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6. 3D Results 3H



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6. 3D Results



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CONTENTS:


2. Lovely structure that is: Coke bottle3. Physical pressure-test results


6. 3D results

7. GWR


Simulia Regional User Meeting – Cheshire UK – November 2015


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7. Guinness World Record

26miles and 385yds:

Completed 5:50:08

New World Record for

“three-dimensional bird”

2015 simulia uk bob jfilename: 2015-simulia-uk-bob-johnson coke bottle fea.pdfohnson coke bottle fea

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