Arnab Chattopadhyay, Vishal Bagthadia, Sanat Munot and Sumod Nandanwar are a group
of undergraduate students from MIT working on their final-year project, ‘Topology Optimization of an Unmanned Aerial Vehicle (UAV)’ under the guidance of Mr. Girish S. Barpande, Associate Professor, MIT Pune. In addition to this, the group also worked closely with Mr. Chaitanya Kachare, Associate Professor, Transportation Design from MIT Institute of Design (a sister institute to MIT Pune) who guided them with the additive manufacturing and the aesthetics of the final design.
The students benefitted largely from using Altair’s meshing software for their composite
models as well as having access to a huge quantity of guidance material and personal
support from Altair. During the year of the study, the team participated in several Formula
SAE competitions including positive results at the Formula Student Germany challenge.
The students were proud of the overall outcome which was motivational for continued
Michigan Baja Racing (MBR) is a collegiate race team in the North American Baja SAE intercollegiate
competition. The team designs, builds, and tests a new single-seater off-road race car from scratch
every year to compete against hundreds of other teams across the United States. The competition
consists of a design presentation and other static events. The main dynamic events are acceleration,
maneuverability, hill climb*, suspension and traction (S&T), and a four-hour endurance race.
Crimson Racing has a history spanning nearly two decades with Formula SAE. However,
the past five years have easily been the most successful in team history. Why? A concerted focus on understanding and justifying everything on the car without over complicating it.
There are many tools and programs that can be used to achieve this goal on various systems,
but for structural components in the suspension system, Altair HyperWorks™ has been
the most prolific. By using the Altair MotionSolve™ program in HyperWorks, Crimson Racing
can evaluate the expected suspension component loads under any given driving scenario
and adjust as needed.
A vehicle built at Duke University has broken the Guinness World Record for electric vehicle efficiency, traveling 797 miles per kilowatt-hour, or 27,482 MPGe. The new record was confirmed by Guinness on July 9.
By improving aerodynamic performance by 39 percent using Altair CFD, the team was able to capture the new world record.
In order to reach its goals the team used various tools from Altair‘s HyperWorks software suite. In particular HyperMesh and HyperView for pre- and post-processing as well as OptiStruct and MotionView to optimize the system‘s weight and dynamic behavior. In a first step MotionView was used to obtain the loads on the suspension system and to verify the kinematics of the system. Then HyperMesh was employed to mesh the components and to apply forces and constraints to simulate the most severe stress condition such as braking while cornering, applying vertical, longitudinal and lateral loads.
For the final designed robot, HyperWorks was used for structural analysis to understand whether or
not the robot meets the requirements. The evaluation was performed for the impact force received
when launching a rocket, the impact when landing from the sky and the impact vibration from
the road surface during running. MotionSolve in HyperWorks was extremely useful for practical
industrial education that is linked to CAD design.
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