Designed crutches with a retrofittable attachment, and smart locking mechanism to improve user comfort and
provide additional body movements.
Advantages of these crutches:
Can easily get up from seated position using hand grip (after the transformation)
Can carry items in hand while walking by rotating the handle bar
More comfort while walking as the load is distributed to the entire forearm.
Jarring forces are reduced by telescopic damper
CFRP mirror for space application
Summary: Optimized CFRP honeycomb parameters using modal and structural analysis in ANSYS.
Manufactured and assembled a composite CFRP mirror. Optimized Mirror Fixation Device (MFD) parameters using
Zernike analysis in MATLAB.
This project was divided into 2 parts:
Prototyping of a composite mirror and optimisation of MFD: Place: Sattelite Application Center of the Indian Space Research Organisation Details:This part focused on designing and prototyping a CFRP honeycomb mirror with an aluminum
active surface. The designing and prototyping were done for a 340 mm diameter due to time constraints while
the MFD design was carried out for a 690 mm diameter mirror. The prototype mirror with a honeycomb core was
fabricated using predefined design conditions. Another part focused on the analysis of MFDs for a 690 mm
diameter mirror with a triangular honeycomb core. This was done using the ANSYS ACP module. Directional
deformations on the mirror active surface were calculated in the ANSYS, which were used to calculate Zernike
polynomial coefficients. These coefficients were then optimized.
Optimisation of CFRP honeycomb parameters: Place: Indian Institute of Technology, Tirupati Details: During course of the project, we reviewed about various research papers where main objective
was of replacing Zerodur with composite mirror which have high stiffness and good thermal stability and how
to enhance the various material properties of composite mirror. Based on reviewed research papers we set our
objectives to be optimization of the CFRP honeycomb sandwich parameters(cell size, and height) to maximize
first natural frequency and minimize top surface deformation. We have completed the ANSYS analysis to study
influence of cell size and height to optimize honeycomb performance. We accordingly prepared the mould of
hexagonal honeycomb structure and carried out initial prototyping.
Enigma - 2021
About Enigma is a competitive ciphering and deciphering heist while looking for clues in the gigantic
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Got stuck on some questions? Work your way out through your search engines.
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Every team's journey is unique and depends on how they approach a problem. Every question has a unique solution
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lost, you see