Difference between revisions of "Monocoque"
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| − | A monocoque is a fully enclosed structural chassis where the loads are supported by the skin. This could be done by either folding a sheet material (such as aluminum sandwich or sheet metal) or manufacturing components with molding a material (such as [[Carbon Fiber Reinforced Polymer|CFRP]] or [[Glass Fiber Reinforced Polymer|GFRP]]). | + | A monocoque is a fully enclosed structural chassis where the loads are supported by the skin. This could be done by either folding a sheet material (such as aluminum sandwich or sheet metal) or manufacturing components with molding a material (such as [[Carbon Fiber Reinforced Polymer|CFRP]] or [[Glass Fiber Reinforced Polymer|GFRP]]).Generally this design is seen as more challenging compared to a tube frame, but can have considerable performance benefits if done properly. |
| − | + | A monocoque chassis should be worked towards in increments and is not recommended to have as a chassis without proper validation or manufacturing resources. A general practice is to start with a tube frame design which meets FSAE rules and design requirements of the team, and then to add shear panels for the body. Once a team as proper experience and understanding of the chassis, they can attempt a monocoque. | |
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=Design= | =Design= | ||
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=Manufacturing <br />= | =Manufacturing <br />= | ||
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Separate page on Composite manufacturing | Separate page on Composite manufacturing | ||
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=Analysis= | =Analysis= | ||
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====Longitudinal Torsion==== | ====Longitudinal Torsion==== | ||
| − | Consider the monocoque as a cylinder with with cutouts. | + | Consider the monocoque as a cylinder with with cutouts. |
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| + | [[File:Longitudinal Torsion.PNG|250px|right|middle|thumb|Simpilifed Longitudinal Torsion Model]] | ||
====Vertical Bending==== | ====Vertical Bending==== | ||
| + | [[File:Vertical Bending.PNG|250px|right|middle|thumb|Simplified Vertical Bending Model]] | ||
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| − | ==== | + | ====Lateral Bending==== |
| − | + | [[File:Lateral Bending.PNG|250px|right|middle|thumb|Simplified Lateral Bending Model]] | |
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| + | ====Localized Bending==== | ||
| + | ====Fatigue==== | ||
| + | Need to add reference for images: Design, Analysis and Testing of a Formula SAE Car Chassis, William B. Riley and Albert R. George | ||
==Simulation== | ==Simulation== | ||
Throw it in ansys acp. Hit send | Throw it in ansys acp. Hit send | ||
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==Physical== | ==Physical== | ||
| − | + | ==Notable Monocoque Designs== | |
| − | + | ====McGill Formula Electric 2019==== | |
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[[Category:Chassis]] | [[Category:Chassis]] | ||
Revision as of 22:47, 16 May 2020
A monocoque is a fully enclosed structural chassis where the loads are supported by the skin. This could be done by either folding a sheet material (such as aluminum sandwich or sheet metal) or manufacturing components with molding a material (such as CFRP or GFRP).Generally this design is seen as more challenging compared to a tube frame, but can have considerable performance benefits if done properly.
A monocoque chassis should be worked towards in increments and is not recommended to have as a chassis without proper validation or manufacturing resources. A general practice is to start with a tube frame design which meets FSAE rules and design requirements of the team, and then to add shear panels for the body. Once a team as proper experience and understanding of the chassis, they can attempt a monocoque.
Contents
Design
Manufacturing
Separate page on Composite manufacturing
Analysis
Longitudinal Torsion
Consider the monocoque as a cylinder with with cutouts.
Vertical Bending
Lateral Bending
Localized Bending
Fatigue
Need to add reference for images: Design, Analysis and Testing of a Formula SAE Car Chassis, William B. Riley and Albert R. George
Simulation
Throw it in ansys acp. Hit send
