Reporte ANSYS Erick

Erick Alberto Trejo Zuiga

Fatigue analysis 2024T aluminum Test tube


Contents

Units

Model (A4) o Geometry

Solid o Coordinate Systems o Mesh

Face Sizing o Static Structural (A5)

Analysis Settings Loads Solution (A6)

Solution Information Results Fatigue Tool

Results Fatigue Sensitivity References

Material Data o Aluminum Alloy

Units

TABLE 1

Unit System Metric (m, kg, N, s, V, A) Degrees rad/s Celsius

Angle Degrees

Rotational Velocity rad/s

Temperature Celsius

Model (A4)

Geometry

TABLE 2 Model (A4) > Geometry

Object Name Geometry

State Fully Defined

Definition

Source C:\Users\EIRICK\Documents\Mis escaneos\ansys probeta

analisys\Analysys 2_files\dp0\SYS\DM\SYS.agdb

Type DesignModeler

Length Unit Millimeters

Element Control Program Controlled

Display Style Body Color

Bounding Box

Length X 0.105 m


Length Y 2.1e-002 m

Length Z 2.1e-002 m

Properties

Volume 2.4579e-005 m

Mass 6.8083e-002 kg

Scale Factor Value 1.

Statistics

Bodies 1

Active Bodies 1

Nodes 192161

Elements 44712

Mesh Metric None

Basic Geometry Options

Parameters Yes

Parameter Key DS

Attributes No

Named Selections No

Material Properties No

Advanced Geometry Options

Use Associativity Yes

Coordinate Systems No

Reader Mode Saves Updated File

No

Use Instances Yes

Smart CAD Update No

Attach File Via Temp

File Yes

Temporary Directory C:\Users\EIRICK\AppData\Local\Temp

Analysis Type 3-D

Decompose Disjoint Faces

Yes

Enclosure and Symmetry Processing

Yes

TABLE 3

Model (A4) > Geometry > Parts

Object Name Solid

State Meshed

Graphics Properties

Visible Yes

Transparency 1

Definition

Suppressed No

Stiffness Behavior Flexible

Coordinate System Default Coordinate System

Reference Temperature By Environment

Material

Assignment Aluminum Alloy

Nonlinear Effects Yes


Thermal Strain Effects Yes

Bounding Box

Length X 0.105 m

Length Y 2.1e-002 m

Length Z 2.1e-002 m

Properties

Volume 2.4579e-005 m

Mass 6.8083e-002 kg

Centroid X -1.9256e-002 m

Centroid Y -1.1792e-012 m

Centroid Z -8.8926e-013 m

Moment of Inertia Ip1 2.8827e-006 kgm



Statistics

Nodes 192161

Elements 44712

Mesh Metric None

Coordinate Systems

TABLE 4

Model (A4) > Coordinate Systems > Coordinate System

Object Name Global Coordinate System

State Fully Defined

Definition

Type Cartesian

Coordinate System ID 0.

Origin

Origin X 0. m

Origin Y 0. m

Origin Z 0. m

Directional Vectors

X Axis Data [ 1. 0. 0. ]

Y Axis Data [ 0. 1. 0. ]

Z Axis Data [ 0. 0. 1. ]

Mesh

TABLE 5 Model (A4) > Mesh

Object Name Mesh

State Solved

Defaults

Physics Preference Mechanical

Relevance 86

Sizing

Use Advanced Size Function Off


Relevance Center Fine

Element Size Default

Initial Size Seed Active Assembly

Smoothing High

Transition Fast

Span Angle Center Fine

Minimum Edge Length 3.5712e-002 m

Inflation

Use Automatic Inflation None

Inflation Option Smooth Transition

Transition Ratio 0.272

Maximum Layers 5

Growth Rate 1.2

Inflation Algorithm Pre

View Advanced Options No

Patch Conforming Options

Triangle Surface Mesher Program Controlled

Advanced

Shape Checking Standard Mechanical

Element Midside Nodes Program Controlled

Straight Sided Elements No

Number of Retries Default (4)

Extra Retries For Assembly Yes

Rigid Body Behavior Dimensionally Reduced

Mesh Morphing Disabled

Defeaturing

Pinch Tolerance Please Define

Generate Pinch on Refresh No

Automatic Mesh Based Defeaturing On

Defeaturing Tolerance Default

Statistics

Nodes 192161

Elements 44712

Mesh Metric None

TABLE 6

Model (A4) > Mesh > Mesh Controls

Object Name Face Sizing

State Fully Defined

Scope

Scoping Method Geometry Selection

Geometry 1 Face

Definition

Suppressed No

Type Element Size

Element Size 8.e-005 m

Behavior Soft


Figure 1. Mesh

Static Structural (A5)

TABLE 7 Model (A4) > Analysis

Object Name Static Structural (A5)

State Solved

Definition

Physics Type Structural

Analysis Type Static Structural

Solver Target Mechanical APDL

Options

Environment Temperature 22. C

Generate Input Only No

TABLE 8

Model (A4) > Static Structural (A5) > Analysis Settings

Object Name Analysis Settings

State Fully Defined

Step Controls

Number Of Steps 1.

Current Step Number 1.

Step End Time 1. s

Auto Time Stepping Program Controlled

Solver Controls

Solver Type Program Controlled

Weak Springs Program Controlled


Large Deflection Off

Inertia Relief Off

Restart Controls

Generate Restart Points

Program Controlled

Retain Files After Full Solve

No

Nonlinear Controls

Force Convergence Program Controlled

Moment Convergence Program Controlled

Displacement Convergence

Program Controlled

Rotation Convergence Program Controlled

Line Search Program Controlled

Stabilization Off

Output Controls

Stress Yes

Strain Yes

Nodal Forces No

Contact Miscellaneous No

General Miscellaneous No

Calculate Results At All Time Points

Max Number of Result Sets

Program Controlled

Analysis Data Management

Solver Files Directory C:\Users\EIRICK\Documents\Mis escaneos\ansys probeta

analisys\Analysys 2_files\dp0\SYS\MECH\

Future Analysis None

Scratch Solver Files Directory

Save MAPDL db No

Delete Unneeded Files Yes

Nonlinear Solution No

Solver Units Active System

Solver Unit System mks

TABLE 9

Model (A4) > Static Structural (A5) > Loads

Object Name Cylindrical Support Fixed Support Pressure

State Fully Defined

Scope


Geometry 1 Face

Definition

Type Cylindrical Support Fixed Support Pressure

Radial Fixed

Axial Fixed

Tangential Fixed

Suppressed No


Define By Components

Coordinate System Global Coordinate System

X Component -2.4e+008 Pa (ramped)

Y Component 0. Pa (ramped)

Z Component 0. Pa (ramped)

FIGURE 2

Model (A4) > Static Structural (A5) > Pressure

Figure 3. restrictions and loads


Solution (A6)

TABLE 10 Model (A4) > Static Structural (A5) > Solution

Object Name Solution (A6)

State Solved

Adaptive Mesh Refinement

Max Refinement Loops 10.

Refinement Depth 3.

Information

Status Done

TABLE 11

Model (A4) > Static Structural (A5) > Solution (A6) > Solution Information

Object Name Solution Information

State Solved

Solution Information

Solution Output Solver Output

Newton-Raphson Residuals 0

Update Interval 2.5 s

Display Points All

FE Connection Visibility

Activate Visibility Yes

Display All FE Connectors

Draw Connections Attached To All Nodes

Line Color Connection Type

Visible on Results No

Line Thickness Single

Display Type Lines

TABLE 12

Model (A4) > Static Structural (A5) > Solution (A6) > Results

Object Name Equivalent Stress Equivalent Elastic

Strain

Maximum Principal

Stress

State Solved

Scope


Geometry All Bodies

Definition

Type Equivalent (von-Mises)

Stress Equivalent Elastic

Strain Maximum Principal

Stress

By Time

Display Time Last

Calculate Time History

Yes

Identifier

Suppressed No

Integration Point Results

Display Option Averaged


Results

Minimum 1.7173e+007 Pa 2.5909e-004 m/m -3.9353e+007 Pa

Maximum 4.8931e+009 Pa 6.8917e-002 m/m 5.4847e+009 Pa

Information

Time 1. s

Load Step 1

Substep 1

Iteration Number 1

Figure4. Von mises stress

Figure 5. Elastic strain


Figure 6. Principal stress

TABLE 13

Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tools

Object Name Fatigue Tool

State Solved

Materials

Fatigue Strength Factor (Kf) 1.

Loading

Type Ratio

Loading Ratio 0.1

Scale Factor 0.1

Definition

Display Time 1. s

Options

Analysis Type Stress Life

Mean Stress Theory Mean Stress Curves

Stress Component Equivalent (Von Mises)

Life Units

Units Name cycles

1 cycle is equal to 1. cycles

FIGURE 2

Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tool


FIGURE 7 Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tool


TABLE 14

Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tool > Results

Object Name Life Damage Safety Factor

Biaxiality Indication

Equivalent Alternating Stress

State Solved

Scope

Scoping Method

Geometry Selection

Geometry All Bodies

Definition

Type Life Damage Safety

Factor

Biaxiality

Indication

Equivalent Alternating

Stress

Identifier

Suppressed No

Design Life 1.e+009 cycles

Results

Minimum 99716 cycles

0.76298 -0.99999 7.7276e+005 Pa

Maximum 1.e7 10029 0.99988 2.2019e+008 Pa

TABLE 15

Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tool > Result Charts

Object Name Fatigue Sensitivity

State Solved

Scope

Geometry All Bodies

Definition

Sensitivity For Life

Suppressed No

Options

Lower Variation 20. %

Upper Variation 100. %

Number of Fill Points 20

Chart Viewing Style Log X


FIGURE 8

Model (A4) > Static Structural (A5) > Solution (A6) > Fatigue Tool > Fatigue Sensitivity

Figure 9. Life


Figure 10. Safety factor

Figure 11. Equivalent alternating stress


Material Data

Aluminum Alloy

TABLE 16 Aluminum Alloy > Constants

Density 2770 kg m -^3

Coefficient of Thermal Expansion 2.3e-005 C -^1

Specific Heat 875 J kg -^1 C -^1

TABLE 17

Aluminum Alloy > Compressive Ultimate Strength

Compressive Ultimate Strength Pa

0

TABLE 18

Aluminum Alloy > Compressive Yield Strength

Compressive Yield Strength Pa

2.8e+008

TABLE 19

Aluminum Alloy > Tensile Yield Strength

Tensile Yield Strength Pa

2.8e+008

TABLE 20

Aluminum Alloy > Tensile Ultimate Strength

Tensile Ultimate Strength Pa

3.1e+008

TABLE 21

Aluminum Alloy > Isotropic Secant Coefficient of Thermal Expansion

Reference Temperature C

22

TABLE 22

Aluminum Alloy > Isotropic Thermal Conductivity

Thermal Conductivity W m -^1 C -^1 Temperature C

114 -100

144 0

165 100

175 200

TABLE 23

Aluminum Alloy > Alternating Stress Mean Stress

Alternating Stress Pa Cycles Mean Stress Pa

2.66e+008 35000 2.4e+008

2.6e+008 40000 2.4e+008

2.2e+008 1.e+005 2.4e+008


1.8e+008 6.e+005 2.4e+008

1.68e+008 1.e+006 2.4e+008

TABLE 24

Aluminum Alloy > Isotropic Resistivity

Resistivity ohm m Temperature C

2.43e-008 0

2.67e-008 20

3.63e-008 100

TABLE 25

Aluminum Alloy > Isotropic Elasticity

Temperature C Young's Modulus Pa Poisson's Ratio Bulk Modulus Pa Shear Modulus Pa

7.1e+010 0.33 6.9608e+010 2.6692e+010

TABLE 26

Aluminum Alloy > Isotropic Relative Permeability

Relative Permeability

1

TABLE 26

Aluminum Alloy > Isotropic Relative Permeability

Figure 12. S-n alluminum curve


References:

[1] METODOLOGA PARA EL ANLISIS DE FATIGA Eva Marco Esteban [2] Fatigue Analysis in ANSYS..CAE Asosiates

[3] Diseo para fatiga..Instituto de la estructura del acero

Reporte ANSYS Erick

Documents

Transcript of Reporte ANSYS Erick