Simulation of pad_frameDate: Wednesday, December 11, 2013Designer: SolidworksStudy name: single pad analysisAnalysis type: Static

Table of ContentsDescription...............................................1Assumptions.............................................2Model Information.....................................2Study Properties.......................................4Units.........................................................5Material Properties...................................5Loads and Fixtures...................................6Mesh Information......................................7Resultant Forces.......................................9Beams......................................................9Study Results..........................................10Conclusion..............................................19

DescriptionThis report details a Static Finite Element Analysis for the Pad Frame connected on the Una Crutch.

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AssumptionsComments:The sum of the forces equals zero and neglecting friction at the top and base of the part.

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Model Information

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Model name: pad_frame

Current Configuration: Default

Solid BodiesDocument Name and

Reference Treated As Volumetric Properties Document Path/Date Modified

Cut-Extrude4

Mass:0.410916 kgVolume:0.000293511

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

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Study PropertiesStudy name single pad analysisAnalysis 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-Extrude4)(pad_frame)

Curve Data:N/A

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Loads and FixturesFixture name Fixture Image Fixture Details

Fixed-1

Entities: 2 face(s)Type: Fixed Geometry

Resultant ForcesComponents X Y Z Resultant

Reaction force(N) 0.0626221 551.324 -626.167 834.292Reaction

Moment(N·m) 0 0 0 0

Load name Load Image Load Details

Force-1

Entities: 4 face(s)Type: Apply normal force

Value: 300 lbf

Comments:Fixed at holes. Load Assumes one pad is pushing against the other.

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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 12639Total Elements 8096Maximum Aspect Ratio 4.7143% of elements with Aspect Ratio < 3 99.2% of elements with Aspect Ratio > 10 0% of distorted elements(Jacobian) 0Time to complete mesh(hh;mm;ss): 00:00:08Computer name: ME-HP21

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

Entire Model N 0.0626221 551.324 -626.167 834.292

Reaction MomentsSelection set Units Sum X Sum Y Sum Z Resultant

Entire Model N·m 0 0 0 0

BeamsNo Data

Study Results

Name Type Min MaxStress1 VON: von Mises Stress 32351.1 N/m^2

Node: 83457.08319e+007 N/m^2Node: 12352

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Name Type Min Max

pad_frame-single pad analysis-Stress-Stress1

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Name Type Min MaxDisplacement1 URES: Resultant Displacement 0 mm

Node: 10.325893 mmNode: 11225

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Name Type Min Max

pad_frame-single pad analysis-Displacement-Displacement1

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Name Type Min MaxStrain1 ESTRN: Equivalent Strain 2.72643e-006

Element: 1840.00534092Element: 7650

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Name Type Min Max

pad_frame-single pad analysis-Strain-Strain1

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Name TypeDisplacement1{1} Deformed Shape

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Name Type

pad_frame-single pad analysis-Displacement-Displacement1{1}

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Name Type Min MaxFactor of Safety1 Automatic 1.963

Node: 123524297.94Node: 8345

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Name Type Min Max

pad_frame-single pad analysis-Factor of Safety-Factor of Safety1

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Conclusion

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