Posted by dumis in More than a decade ago, designing cars was much different than today, with the idea in the form of a prototype being developed into a car peace by peace by an army of engineers, being careful to create parts that form a car corresponding in looks to the prototype, yet safe to drive and mechanically sound. Overall air resistance of the design was upon the designers of the shell, and advanced aerodynamics often weren’t taken into account when creating the shape of the shell, instead the prototype was tested in a wind tunnel, and some changes were being made to the model when some problems were detected with the airflow, but not always.
Today, the most powerful computers available are used to construct the entire car in some pretty smart software which uses the perceived equations to report possible problems and weak spots in the construction of the car to allow for creating hit zones and structural reinforcements at those places, or even around those places, and planning out best ways to absorb a possible hit to that area. This is achieved by constantly running physical simulations on the design and having it respond to all the challenges the car designers think of. The level of detail in these analysis constantly rises as computers get more and more powerful, allowing for new discoveries about increasing security to be made, in the designing stage of the car. Many of these were simply not detected before, resulting in many potential hazards being manufactured into cars. Powerful computers and the software run on them today enable the designing process to perceive all known flaws and mistakes in design a car can have, and functionally and cosmetically change the model without having to create all of the parts that get affected once again. Virtual crash tests point out to better ways of protection and provide a way of testing them out quickly and without the costs of creating real prototypes of cars, and can be used to test out every imaginable what if situation to see if the car’s design is able to withstand such collisions and keep its passengers uninjured. World’s leading mathematicians and physicians work with programmers on creating and bettering the simulation and designing software used in this process. Similar software is being used to produce the tyres used by cars, so that potential problems could be discovered and removed before production and testing. Designers still have to do some guessing and rely on their experience as high speed collisions involve physics not yet fully understood, and irreproducible in simulations.
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