P14042 Una CrutchRIT MSDCompany Phone]

Simulation of baseconnectionasemblyDate: Sunday, December 15, 2013Designer: P14042 Una CrutchStudy name: Study 4Analysis type: Static

Table of ContentsDescription...............................................1Assumptions.............................................2Model Information.....................................2Study Properties.......................................3Units.........................................................4Material Properties...................................4Loads and Fixtures...................................5Mesh Information......................................6Resultant Forces.......................................7Study Results............................................8Conclusion..............................................12

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

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AssumptionsComments:The sum of the forces equals zero and neglecting friction in the system.

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Model Information

Model name: baseconnectionasembly

Current Configuration: Default

Solid BodiesDocument Name and

Reference Treated As Volumetric Properties Document Path/Date Modified

Cut-Extrude6

Solid Body

Mass:0.48645 kgVolume:0.000347465

m^3Density:1400 kg/m^3

Weight:4.76721 N

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

new_MSD 1\public\CAD\NA\Base

Connection Assy\Base_Connection2a.S

LDPRTDec 14 14:41:08 2013

9/64 (0.14063) Diameter Hole1 Solid Body

Mass:0.0125436 kgVolume:1.5878e-006

m^3Density:7900 kg/m^3Weight:0.122927 N

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

new_MSD 1\public\CAD\NA\Base

Connection Assy\pin1.SLDPRT

Dec 14 12:28:36 2013

Comments:Part designed by Beverly Liriano, Simulation preformed by Dan Sawicki

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Study PropertiesStudy name Study 4Analysis 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\Base Connection Assy)

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-Extrude6)(Base_Connection2a-1)

Curve Data:N/AName: AISI 1020

Model type: Linear Elastic Isotropic

Default failure criterion:

Max von Mises Stress

Yield strength: 3.51571e+008 N/m^2

Tensile strength: 4.20507e+008 N/m^2

Elastic modulus: 2e+011 N/m^2Poisson's ratio: 0.29

Mass density: 7900 kg/m^3Shear modulus: 7.7e+010 N/m^2

Thermal expansion

coefficient:

1.5e-005 /Kelvin

SolidBody 1(9/64 (0.14063) Diameter Hole1)(pin1-1)

Curve Data:N/A

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Loads and FixturesFixture name Fixture Image Fixture Details

Fixed-1

Entities: 2 edge(s), 4 face(s)Type: Fixed Geometry

Resultant ForcesComponents X Y Z Resultant

Reaction force(N) 0.120176 5.15257 1334.26 1334.27Reaction

Moment(N·m) 0 0 0 0

Load name Load Image Load Details

Gravity-1

Reference: Top PlaneValues: 0 0 -9.81

Units: SI

Force-1

Entities: 2 face(s)Type: Apply normal force

Value: 300 lbf

Comments:Loaded in Shaft Inlets, Secured at Bottom Hole and Base Hole.

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Mesh InformationMesh type Solid MeshMesher Used: Standard meshAutomatic Transition: OffInclude Mesh Auto Loops: OffJacobian points 4 PointsElement Size 0.205954 inTolerance 0.0102977 inMesh Quality HighRemesh failed parts with incompatible mesh

Off

Mesh Information - DetailsTotal Nodes 31660Total Elements 18538Maximum Aspect Ratio 8.1944% 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): 00:00:12Computer name: ME-HP58

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

Entire Model N 0.120176 5.15257 1334.26 1334.27

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 153.894 N/m^2

Node: 217422.25781e+007 N/m^2Node: 30378

baseconnectionasembly-Study 4-Stress-Stress1

Name Type Min MaxDisplacement1 URES: Resultant Displacement 0 mm

Node: 330.292168 mmNode: 1383

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Name Type Min Max

baseconnectionasembly-Study 4-Displacement-Displacement1

Name Type Min MaxStrain1 ESTRN: Equivalent Strain 9.0571e-009

Element: 145840.00299462Element: 203

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Name Type Min Max

baseconnectionasembly-Study 4-Strain-Strain1

Name TypeDisplacement1{1} Deformed Shape

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Name Type

baseconnectionasembly-Study 4-Displacement-Displacement1{1}

Name Type Min MaxFactor of Safety1 Automatic 6.15831

Node: 30378903500Node: 21742

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Name Type Min Max

baseconnectionasembly-Study 4-Factor of Safety-Factor of Safety1

ConclusionComments:With Aluminum, this part will not yield.

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