A1_628 Rear Header Assembly-FEA-1.pdf

Analyzed with SOLIDWORKS Simulation Simulation of 628 Rear Header Assembly 1

Simulation of 628 Rear Header Assembly Date: Tuesday, 8 March, 2016 Designer: Solidworks Study name: FEA Analysis type: Static

Table of Contents Description ............................................ 1

Assumptions .......................................... 2

Model Information ................................... 2

Study Properties ..................................... 6

Units ................................................... 6

Material Properties .................................. 7

Loads and Fixtures................................... 8

Connector Definitions ............................... 9

Contact Information ............................... 10

Mesh information .................................. 12

Sensor Details ...................................... 13

Resultant Forces ................................... 14

Beams ................................................ 14

Study Results ....................................... 15

Conclusion .......................................... 18

Description Stress analysis of nozzle under internal design pressure and external nozzle load and moments


Assumptions

Model Information

Model name: 628 Rear Header Assembly

Current Configuration: Default

Solid Bodies

Document Name and Reference

Treated As Volumetric Properties Document Path/Date

Modified


Boss-Extrude1

Solid Body

Mass:42.2766 kg Volume:0.00537795 m^3 Density:7861.1 kg/m^3

Weight:414.311 N

C:\Users\iskandar\Desktop\New folder (8)\628 Rear Header\628 Flange ASME

B16.5 DN250 C300 WN.RF.SLDPRT

Mar 07 17:33:11 2016

Boss-Extrude1

Solid Body


Weight:414.311 N



Mar 07 17:33:11 2016

Boss-Extrude1

Solid Body


Weight:414.311 N



Mar 07 17:33:11 2016

Fillet1

Solid Body


Weight:6427.49 N

C:\Users\iskandar\Desktop\New folder (8)\628 Rear

Header\628 Header Box.SLDPRT

Mar 07 17:33:11 2016

LPattern1[1]

Solid Body


Weight:313.342 N



Mar 07 17:33:11 2016


LPattern1[2]

Solid Body


Weight:313.342 N



Mar 07 17:33:11 2016

Boss-Extrude4

Solid Body


Weight:313.342 N



Mar 07 17:33:11 2016

Extrude-Thin1

Solid Body

Mass:5.72848 kg Volume:0.000728712 m^3

Density:7861.1 kg/m^3 Weight:56.1391 N


Header\628 Reducer Assumption 1.SLDPRT Mar 07 17:33:11 2016

Shell3

Solid Body


Weight:380.044 N



Extrude-Thin1

Solid Body

Mass:5.72848 kg Volume:0.000728712 m^3





Shell3

Solid Body


Weight:380.044 N



Extrude-Thin1

Solid Body

Mass:5.72848 kg Volume:0.000728712 m^3




Shell3

Solid Body


Weight:380.044 N




Study Properties Study name FEA

Analysis type Static

Mesh type Solid Mesh

Thermal Effect: On

Thermal option Include temperature loads

Zero strain temperature 298 Kelvin

Include fluid pressure effects from SOLIDWORKS Flow Simulation

Off

Solver type Automatic

Inplane Effect: Off

Soft Spring: Off

Inertial Relief: Off

Incompatible bonding options Automatic

Large displacement Off

Compute free body forces On

Friction Off

Use Adaptive Method: Off

Result folder SOLIDWORKS document (C:\Users\iskandar\Desktop\SKP Thermal\results)

Units Unit system: SI (MKS)

Length/Displacement mm

Temperature Kelvin

Angular velocity Rad/sec

Pressure/Stress N/m^2


Material Properties

Model Reference Properties Components

Name: SA 182 F11 CL 2 at 485degC

Model type: Linear Elastic Isotropic Default failure

criterion: Max von Mises Stress

Yield strength: 9.09e+007 N/m^2 Tensile strength: 3.824e+008 N/m^2 Elastic modulus: 2e+011 N/m^2

Poisson's ratio: 0.29 Mass density: 7861.1 kg/m^3

Shear modulus: 3.189e+008 N/m^2

SolidBody 1(Boss-Extrude1)(628 Flange ASME B16.5 DN250 C300 WN.RF-1), SolidBody 1(Boss-Extrude1)(628 Flange ASME B16.5 DN250 C300 WN.RF-2), SolidBody 1(Boss-Extrude1)(628 Flange ASME B16.5 DN250 C300 WN.RF-3), SolidBody 3(Shell3)(628 Reducer Assumption 1-1), SolidBody 3(Shell3)(628 Reducer Assumption 1-2), SolidBody 3(Shell3)(628 Reducer Assumption 1-3)

Curve Data:N/A

Name: SA 516 Gr70 at 485degC






SolidBody 1(Fillet1)(628 Header Box-2), SolidBody 2(LPattern1[1])(628 Header Box-2), SolidBody 3(LPattern1[2])(628 Header Box-2), SolidBody 4(Boss-Extrude4)(628 Header Box-2)

Curve Data:N/A

Name: SA 387 Gr11 CL1 at 485degC






SolidBody 1(Extrude-Thin1)(628 Reducer Assumption 1-1), SolidBody 1(Extrude-Thin1)(628 Reducer Assumption 1-2), SolidBody 1(Extrude-Thin1)(628 Reducer Assumption 1-3)

Curve Data:N/A


Loads and Fixtures

Fixture name Fixture Image Fixture Details

Fixed-1

Entities: 1 face(s) Type: Fixed Geometry

Resultant Forces Components X Y Z Resultant

Reaction force(N) -14698.7 -267689 -14735.2 268497

Reaction Moment(N.m) 0 0 0 0

Load name Load Image Load Details

Remote Load (Direct

transfer)-1

Entities: 1 face(s) Type: Load (Direct transfer)

Coordinate System: Coordinate System1 Force Values: 500, 500, 500 kgf

Moment Values: 50000, 50000, 50000 kgf.cm

Reference coordinates: 0 0 0 mm Components transferred: Force and Moment

Remote Load (Direct

transfer)-2






Remote Load (Direct

transfer)-3





Pressure-1

Entities: 9 face(s) Type: Normal to selected face

Value: 1.86 Units: N/mm^2 (MPa)

Phase Angle: 0 Units: deg

Pressure-2

Entities: 24 face(s) Type: Normal to selected face

Value: 1.86 Units: N/mm^2 (MPa)

Phase Angle: 0 Units: deg

Connector Definitions No Data


Contact Information

Contact Contact Image Contact Properties

Contact Set-1

Type: Bonded contact pair

Entites: 4 face(s)

Contact Set-2


Entites: 2 face(s)

Contact Set-3


Entites: 2 face(s)


Contact Set-4


Entites: 2 face(s)

Global Contact

Type: Bonded Components: 1 component(s)

Options: Incompatible mesh


Mesh information Mesh type Solid Mesh

Mesher Used: Standard mesh

Automatic Transition: Off

Include Mesh Auto Loops: Off

Jacobian points 4 Points

Element Size 35.2732 mm

Tolerance 1.76366 mm

Mesh Quality High

Remesh failed parts with incompatible mesh Off

Mesh information - Details

Total Nodes 274013

Total Elements 147118

Maximum Aspect Ratio 18.686

% of elements with Aspect Ratio < 3 88.9

% of elements with Aspect Ratio > 10 0.0224

% of distorted elements(Jacobian) 0

Time to complete mesh(hh;mm;ss): 00:01:10

Computer name: ISKANDAR

Mesh Control Information:

Mesh Control Name Mesh Control Image Mesh Control Details

Control-1

Entities: 3 component(s) Units: mm Size: 17.6363

Ratio: 1.5

Mesh Quality Plots


Name Type Min Max

Mesh Quality1 Aspect Ratio 1.02334

Element: 24652 18.6863

Element: 99153

628 Rear Header Assembly-FEA-Mesh Quality-Mesh Quality1

Sensor Details No Data


Resultant Forces

Reaction forces

Selection set Units Sum X Sum Y Sum Z Resultant

Entire Model N -14698.7 -267689 -14735.2 268497

Reaction Moments

Selection set Units Sum X Sum Y Sum Z Resultant

Entire Model N.m 0 0 0 0

Beams No Data


Study Results

Name Type Min Max

Overall Stress VON: von Mises Stress 0.0651762 N/mm^2 (MPa) Node: 232508

94.1384 N/mm^2 (MPa) Node: 260186

628 Rear Header Assembly-FEA-Stress-Overall Stress

Name Type Min Max

Flange and Nozzle Stress VON: von Mises Stress 0.0651762 N/mm^2 (MPa) Node: 232508

94.1384 N/mm^2 (MPa) Node: 260186


628 Rear Header Assembly-FEA-Stress-Flange and Nozzle Stress

Name Type Min Max

Flange Stress VON: von Mises Stress 0.0651762 N/mm^2 (MPa) Node: 232508

94.1384 N/mm^2 (MPa) Node: 260186


628 Rear Header Assembly-FEA-Stress-Flange Stress

Name Type Min Max

Nozzle Neck Stress VON: von Mises Stress 0.0651762 N/mm^2 (MPa) Node: 232508

94.1384 N/mm^2 (MPa) Node: 260186


628 Rear Header Assembly-FEA-Stress-Nozzle Neck Stress

Conclusion Since the stress level is below the yield strength of the material, the design is acceptable under the

calculated scenario.

A1_628 Rear Header Assembly-FEA-1.pdf

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