P14042 Una CrutchRIT MSD

Simulation of handle_modifiedDate: Wednesday, December 11, 2013Designer: P14042 Una CrutchStudy name: Study 1Analysis type: Static

Table of ContentsDescription...............................................1Assumptions.............................................2Model Information.....................................2Study Properties.......................................3Units.........................................................4Material Properties...................................4Loads and Fixtures...................................5Mesh Information......................................7Resultant Forces.......................................8Study Results............................................9Conclusion..............................................13

DescriptionThis report details a Static Finite Element Analysis for the handle on the Una Crutch.

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P14042 Una CrutchRIT MSD P14042 Una Crutch

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Assumptions

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P14042 Una CrutchRIT MSD P14042 Una Crutch

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Model Information

Model name: handle_modified

Current Configuration: Default

Solid BodiesDocument Name and

Reference Treated As Volumetric Properties Document Path/Date Modified

Cut-Extrude28

Solid Body

Mass:0.0865192 kgVolume:6.17994e-005

m^3Density:1400 kg/m^3Weight:0.847888 N

F:\RIT 2013-14\Fall Semister\MSD 1\

new_MSD 1\public\CAD\NA\

handle_modified.SLDPRT

Dec 11 14:41:02 2013

Comments:This model was designed by Joanna Dzionara-Norsen and Kyra Wilson-Houck

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Study PropertiesStudy name Study 1Analysis type StaticMesh type Solid MeshThermal Effect: OnThermal option Include temperature loadsZero strain temperature 298 KelvinInclude fluid pressure effects from SolidWorks Flow Simulation

Off

Solver type FFEPlusInplane Effect: OffSoft Spring: OffInertial Relief: OffIncompatible bonding options AutomaticLarge displacement OffCompute free body forces OnFriction OffUse Adaptive Method: OffResult folder SolidWorks document (F:\RIT 2013-14\Fall

Semister\MSD 1\new_MSD 1\public\CAD\NA)

UnitsUnit system: SI (MKS)Length/Displacement mmTemperature KelvinAngular velocity Rad/secPressure/Stress N/m^2

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Material PropertiesModel Reference Properties Components

Name: Nylon 6/10Model type: Linear Elastic

IsotropicDefault failure

criterion:Max von Mises Stress

Yield strength: 1.39043e+008 N/m^2

Tensile strength: 1.42559e+008 N/m^2

Elastic modulus: 8.3e+009 N/m^2Poisson's ratio: 0.28

Mass density: 1400 kg/m^3Shear modulus: 3.2e+009 N/m^2

Thermal expansion

coefficient:

3e-005 /Kelvin

SolidBody 1(Cut-Extrude28)(handle_modified)

Curve Data:N/A

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Loads and FixturesFixture name Fixture Image Fixture Details

Fixed-2

Entities: 2 face(s)Type: Fixed Geometry

Roller/Slider-3

Entities: 1 face(s)Type: Roller/Slider

Roller/Slider-4

Entities: 4 face(s)Type: Roller/Slider

Resultant ForcesComponents X Y Z Resultant

Reaction force(N) 0.0218962 66.8676 -448.135 453.096Reaction

Moment(N·m) 0 0 0 0

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Load name Load Image Load Details

Force-1

Entities: 13 face(s)Type: Apply normal force

Value: 300 lbf

Comments:Distributed force along spine of handle and at bottom of key hole. Rollers along spine and shaft inlets. Fixed at Shaft Pin connection.

Mesh InformationMesh type Solid MeshMesher Used: Curvature based meshJacobian points 4 PointsMaximum element size 0 inMinimum element size 0 inMesh Quality High

Mesh Information - DetailsTotal Nodes 17915Total Elements 9742Maximum Aspect Ratio 7.4214% of elements with Aspect Ratio < 3 95.2% of elements with Aspect Ratio > 10 0% of distorted elements(Jacobian) 0Time to complete mesh(hh;mm;ss): 00:00:10Computer name: ME-HP38

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Resultant ForcesReaction ForcesSelection set Units Sum X Sum Y Sum Z Resultant

Entire Model N 0.0852566 69.4622 -446.376 451.749

Reaction MomentsSelection set Units Sum X Sum Y Sum Z Resultant

Entire Model N·m 0 0 0 0

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Study Results

Name Type Min MaxStress1 VON: von Mises Stress 28554.6 N/m^2

Node: 130752.41709e+007 N/m^2Node: 17727

handle_modified-Study 1-Stress-Stress1

Name Type Min MaxDisplacement1 URES: Resultant Displacement 0 mm

Node: 10.178972 mmNode: 14565

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Name Type Min Max

handle_modified-Study 1-Displacement-Displacement1

Name Type Min MaxStrain1 ESTRN: Equivalent Strain 3.88408e-006

Element: 30380.00200426Element: 8853

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Name Type Min Max

handle_modified-Study 1-Strain-Strain1

Name TypeDisplacement1{1} Deformed Shape

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Name Type

handle_modified-Study 1-Displacement-Displacement1{1}

Name Type Min MaxFactor of Safety1 Automatic 5.7525

Node: 177274869.38Node: 13075

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Name Type Min Max

handle_modified-Study 1-Factor of Safety-Factor of Safety1

Conclusion

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