Chinasa Onyenkpa

Optimizing the 767 Airplane Seat Configuration.
Optimizing the 767 Airplane Seat Configuration.

Step 1 - Generative Design Framework

Step 2 - Generative Design Study

After defining the inputs, I created rectangles that represented the different sections of seats in the plane. The sections were divided into the number of rows and columns specified and the number of sections is related to the number of aisles there are.

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Next, I calculated the dimensions of each plane seat, this is how I found the amount of legroom that each seat has. I modeled my plane to have the same seat dimensions throughout the whole plane.

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The following code block shows how I found the location of each passenger's eyes to be at the center of each block and at the average seated height of a woman in the USA above the ground level.

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This block shows the location and height of the focal point or the eyes of the air hostess at the front of the plane.

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Next, I calculated the number of seats in the entire plane.

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Finally, I calculated the distance between each passenger's eyes and the air hostess’ eyes. I did this with the following code block, where I made a vector between all the eye levels of the passengers and the air hostess's eye level then I found the length of all the vectors and then found the average value.

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Here are the outputs of my study graph.

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Step 3 - Generative Design Study Results

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The image below shows the results of my generative study. My study aimed to maximize the number of seats and the legroom while minimizing the distance to the focal point. The results illustrate some of the tradeoffs. The relationship between the number of seats and seat width is not consistent between all the alternatives. However, there appears to be a tradeoff between the number of seats and the legroom, when there are more seats, there tends to be less legroom and vice versa. Additionally, the legroom and the average distance to the focal point have an inverse relationship but this is desirable because I am trying to maximize the legroom and minimize the average distance to the focal point.

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The following images show some of the scatterplots generated from the generative study.

The graphs show that:

  • There is a negative linear relationship between the number of seats and the legroom.
  • There is a nonlinear relationship between the number of seats and the average distance to the focal point.
  • There is a linearly increasing relationship between the number of seats and the number of rows.
  • The relationship between the number of columns and the number of seats is linear but generally not increasing.

These relationships indicate that there is no way to achieve the highest number of seats and legroom with the minimum distance to the focal point all in the same alternative.

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The best alternative is shown below. This alternative has an average number of seats and legroom, but it has wider seats and a lower distance to the focal point. I think this is the best alternative because it reduces the amount of tradeoff that is made between the number of seats and the legroom while still retaining a lower distance to the focal point. The wider seats will also allow the passengers more comfort.

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