ACTIVITY 2: Tradition and New Design Method

This Blog talks about Traditional design Methodology and New design Methodology.

Traditional Methodology: In the traditional method, the constraints are manipulated to obtain the design and weight is back calculated. In design optimization, the weight of a structure becomes the merit function with constraints imposed on failure modes and an optimization algorithm is used to generate the solution.

EXAMPLE : DOUBLE ENDED PEANUT BUTTER JAR

There is actually a surprising bit of lore surrounding what seems like a pretty straightforward idea; as it gets harder to reach the peanut butter, you just flip the whole thing over and open the other end. Apparently though, between 2007 and 2009, three people came up with this idea independently of each other. One of whom (and in fact, the only one of the three to obtain an official US patent) was a nine-year-old girl named Bella Prieto. Just goes to prove that creativity knows no age.

The other notable designer is Sherwood Forlee who described his idea to Newsweek and explained that he had been working on his design for eight years.

Yep. Eight years. To get to “put a lid on the bottom too.”

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Why is it beneficial?

Soap bars are affordable and do not need plastic bottles to contain them hence, reduces plastic waste!

The packaging (production and supply) energy footprint for liquid soap is 19 times that of bar soap!Being a dry bar of soap, all it needs for packaging is paper. Whereas liquid soap requires a bottle, and it’s often a plastic bottle.Even though shampoo and body wash bottles are often recyclable, keep in mind that recycling is resource-intensive and causes pollution too. Not using plastic is always better if you can help it.Since plastic can only be recycled 2 to 3 times before their structure weakens too much for further processing, we all know where plastic bottles ultimately ends up in. Yes, the landfill or the incineration plant, or worse, the ocean!.

Bar soaps are lighter and last longer = a much lower overall carbon footprint. It takes 9 times more energy to transport liquid soap than bar soap. Owing to the plastic bottle and water content, liquid soaps are a lot bigger and heavier than bar soaps, so it takes more trips and fuel to transport liquid soaps.What’s more, a bar of soap typically lasts longer than a bottle of liquid soap.

A consumer study discovered that people use 6 times more liquid soap than bar soap to wash their hands. That translates to an even lower carbon footprint per use for bar soaps!For the same amount of bar soap and liquid soap in weight, the bar soap will last 6 times longer. This is the reason the manufacturers moved towards selling liquid soaps in the first place. It allows them to sell 6 times more products.