"Concept IAA" (Intelligent Aerodynamic Automobile) is two cars in
one: an aerodynamics world champion with a Cd value of 0.19 and a four-door
coupé embodying irresistible design. The study, which is celebrating its world
premiere at the Frankfurt International Motor Show, switches automatically from
design mode to aerodynamic mode when the vehicle reaches a speed of 80 km/h,
whereby numerous aerodynamics measures alter the shape of the vehicle. Inside,
the "Concept IAA" continues the design line of the S-Class and
S-Class Coupe, offers new touch-based functions and provides an idea of what
the interior of a business saloon might look like in the near future.
At the touch of a button, or
automatically on reaching a speed of 80 km/h, the Mercedes-Benz "Concept
IAA" (Intelligent Aerodynamic Automobile) performs a fascinating
transformation in which the captivatingly beautiful four-door coupé turns into
an aerodynamics world champion: eight segments extend at the rear, increasing
its length by up to 390 millimetres; front flaps in the front bumper extend by
25 mm to the front and 20 mm to the rear, improving the air flow around the
front end and the front wheel arches; the Active Rims alter their cupping from
55 mm to zero; and the louvre in the front bumper moves 60 mm to the rear,
improving the underbody air flow.
technically sophisticated cars form the core of Mercedes-Benz. The 'Concept
IAA' applies intelligent innovations to resolve the conflicting aims of
functionality and aesthetics and shows that we still have plenty of ideas on
how to achieve further improvements in efficiency," says Prof. Dr Thomas
Weber, Member of the Daimler Board of Management responsible for Group Research
and Head of Mercedes-Benz Cars Development.
Equally, the "Concept
IAA" exemplifies the fundamental technological changes which are taking
place in the automobile industry. The primary driving force behind this process
of change is digitisation – commonly referred to in a business context as
"Industry 4.0". For Mercedes-Benz, a continuous digital process chain
from research and development through production to marketing and sales,
logistics and the service area is already becoming reality.
The design and aerodynamic
shaping of the "Concept IAA" would not have been possible without the
systematic digital networking of different specialist departments. The
designers have employed the latest algorithmic design methods to handle the
complex geometric design. The individually adapted software enables dynamic
design in three-dimensional space. This dynamic modelling makes it possible to
display and model different states simultaneously. The resultant highly complex
geometries were turned into reality with the aid of innovative production
technologies (rapid prototyping).
The world-beating aerodynamics
were developed in parallel with the aid of numeric flow simulation. In around
one million CPU hours, the aerodynamics experts from Mercedes-Benz simulated
the flow characteristics, calculating some 300 variants. This roughly
corresponds to the scope of work involved in developing a production model.
The "Concept IAA"
also offers a look into the future in areas which are not apparent at first
glance. The study features Car-to-X technology, for example, which enables the
study to communicate with other vehicles or other sources of information. This
represents a major advance in helping to avoid accidents, as obstacles or
events which are not visible to the vehicle itself can be detected - the
"Concept IAA" is able to look around the corner, as it were. With
this and its interior and operating concept, the "Concept IAA" also
offers a foretaste of the business saloon of the near future.
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