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nameUpright_Loading_Case_4.zip

The Upright

Expand
titlePart Details

Model Version: 11.0

Material: 7075 T6

Yield Strength: 5.03e+08

Validation: June 15thAugust 2nd, 2023

By: Malcolm Park

Table of Contents
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typelist
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Loading

Fixtures

Loading Case #1:

Spindle to Upright

0

Expand
titleGeneral Loading Information

Loading Case #1:

Spindle to Upright

0

2096.57

0

0

0

87.3221405

Loading Case #2:

Spindle to Upright

-1080.4

2160.8

1080.4

0

-48.261468

-211.65036

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Loading Case #3:

Spindle to Upright

759.92

1519.85

759.92

0

-29.3557096

275.4714165

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Loading Case #4:

Spindle to Upright

-1381.27

2762.55

-1381.27

0

53.3584601

-270.5903765

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Loading Case #5:

Spindle to Upright

971.55

1943.1

-971.55

0

43.3991385

352.186875

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Fixture Info
  • bonded component interaction between upright and both bearings and retaining rings

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  • component contact interaction between spindle and upright

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  • spherical face radial fixtures on both bearings

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  • Virtual wall where steering rod attaches to upright

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Loading

Spindle to Upright
Expand
titleGeneral Loading Information
  • Forces in negative X will act on the protruded section of the upright where the spindle sits, and positive X acts on the recess where the spindle sits behind the upright, shown below

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  • Forces in Y and Z will act on the face of the dummy spindle that faces the UPRIGHT MODEL’S +z axis

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  • Moments act on the same face of the spindle that the y and z forces act on, but its important to have them act about the correct axis of the VEHICLE MODEL, where the x axis and z axis of the UPRIGHT MODEL are wrong (for some reason)

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Loading Cases:

Case

Fx

Fy

Fz

Mx

My

Mz

1

0

2096.57

0

0

0

87.3221405

Loading Case #2:

Loading Case #3:

Spindle to Upright

2

-1080.4

2160.8

1080.4

0

-48.261468

-211.65036

Image Removed

Image Removed

Image Removed

Image Removed

Loading Case #4:

Spindle to Upright

3

759.92

1519.85

759.92

0

-29.3557096

275.4714165

Image Removed

Image Removed

Image Removed

Image Removed

Loading Case #5:

Spindle to Upright

4

-1381.27

2762.55

-1381.27

0

53.3584601

-270.5903765

Image Removed

Image Removed

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5

971.55

1943.1

-971.55

0

43.3991385

352.186875

Image Removed

Image Removed

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Interactions

Assembly consists of:

  • Upright

  • Upper upright bearing cap (from FSU)

  • Lower upright bearing cap (from FSU)

  • Dummy bearing housing (1 in upper and 1 in lower)(part made from GEH 12 C)
  • Dummy bolts (6 in upper & 6 in lower) (part made for simulation)

  • Component Interactions

    Global interactions set to contact.

    Local Interactions

    Bolts and Bearing Caps

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    Bonded for the upper and lower bearing caps to inhibit the Z translation of the pieces

    Bolts and Upright

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    Bonded for the upper and lower upright to inhibit the Z translation of the pieces

    Fixtures

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    Mesh Refinement

    Mesh Size

    Location

    Locations

    2.00 mm element size; 1.80 mm min

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    1.00 mm element size; 0.9 mm min

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    0.3 mm element size; 0.27 mm min

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    2.10 mm element size; 1.89 mm min

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    3 mm element size; 2.7 mm min

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    Mesh Convergence & Results

    6mm max everywhere else

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    Results

    Expand
    titleResults

    Yeild Strength 505 MPa

    Case

    Max Stress (MPa)

    Model

    1

    48.55

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    2

    38.89

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    3

    155.7

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    4

    305.1

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    5

    215.2

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    Potential cutouts

    • using case 4 as it had the max stress

    • additional fillets can be added at edges to reduce potential stress concentrations

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