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Plexiglass model design optimization

Optimizing the design of a given plexiglass model to maximize the strength for a drop test

The objective is to propose a design of a shock-absorbing plate that includes two 9.6  mm diameter holes from which it can be loaded in tension by hooks that feed through each of the holes. The plate can be any shape but must be enclosed within a 75mm x 100mm rectangular area. The plate will be made out of Plexiglas with a thickness of 6.35 mm. I came up with a lot of designs that I think have the least amount of material used and with the best mechanical properties possible to withstand the given task.

BRAINSTORMING

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CAD MODELING

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The CAD model is prepared according to the sketches, keeping all the parameters in mind.

FEA ANALYSIS

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FEA analysis is done on all the created models to verify the mechanical properties of each mode and to check the points of failure.

OPTIMIZING

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The final model with the best properties is chosen and tried to optimize it and find the max energy absorbed and max principle stress.

TESTING AND RESULT

The model withstand all the tests without breaking.

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