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# User:Shahriar Alam

I'm currently enrolled in the Master's program in Mechanical Engineering at Michigan Technological University. I've started my graduate studies in fall'18 and my course-works are centered around design and manufacturing.

Completion of my bachelor's was done from Islamic University of Technology, Dhaka, Bangladesh. Studying from one of the best from my country has given me the opportunity to explore my topics of interests and I had the privilege to work in South Asia's biggest mechanical lab. Where I got hands on experience to different mechanical equipment and projects which resulted in my enhancing fixation upon a research oriented career.

# Projects & Research Experiences

## Modeling Micro Resonator Dynamics

During my fall'18 semester I got the opportunity to work on a project under the supervision of Dr. Fei Long and Dr. Radheshyam Tewari. My work was to develop a single degree of freedom model and check the shifting of resonating frequency with variation in dimension using bode plot. Modeling of the single DOF was done using simulink. Upon the results, the influence of dimension of the micro-resonator was analyzed as a part of Design of Experiments.

## Analytical Assessment of Sweet Spot and Performance of a Cricket Bat

As an athlete, I had an immense interest in sports equipment and accessories, which led me to my undergrad research, “Analytical Assessment of Sweet Spot and Performance of Cricket Bat”. Cricket bats were designed using SOLIDWORKS and in ANSYS16 workbench, modal analysis was done considering Free-Free boundary condition. Material properties of English Willow were used. Different values (mass, the center of mass, fundamental frequency and moment of inertia) were calculated experimentally and matched with the values in Finite Element Analysis for free-free boundary condition. Batsmen use differently designed bats with different Edge Thicknesses according to their shot preferences and match situations. The maximum edge thickness of a bat is typically 330mm-390mm from the bat shoulder and so is the sweet spot found to exist in the simulation. I saw batters changing their bats according to the game conditions which in almost every case hampered both the flow of game and batsmen. Then I came up with an idea of designing a bat with a uniform edge thickness, having a comfortable pick-up weight, which batters of every playing style can use. Now, I’m working on how much force is transferred to the bat handle when a ball hits the sweet spot of the bat while playing different shots using Explicit Dynamics and I want to find out how much strain is imposed upon a batter’s wrist and elbow while playing different shots.

## ISCEA (International Supply Chain Education Alliance) Case Competition

In 2015, I participated in global case competition arranged by ISCEA. My work was to implement an efficient supply chain management in the apparel industry of Bangladesh. This competition widened my idea and perception regarding corporate world. My team IUTB-0108 placed in the top 20 global and top 8 regional teams. As a result of this brilliant outcome, my team was offered scholarship and our course fee of Certified Supply Chain Analyst was 100% waived. I got to acquire a lot about lean manufacturing and combining mid-level management for the maximum profit with minimum resource available and that too in reduced time.

## Color Sensing Auto Actuated Robot

My robotics project, “Auto-actuated Color Sensing Robot” was well appreciated in the different national project showcasing competitions. I came out runner-up in project showcasing competition at Mecceleration, country's biggest mechanical festival. The robot’s function was to automatically detect if an object is placed in-front of it. Then sensing color of the object its function was to put the objects in their respective pots. I used three servo-motors for actuations, one for the rotation of the base, one for the oscillation of the mechanical arm and the other one was for the opening and closing of the claw. The whole robot was hand-made, using plywood. Two sensors (Sonar sensor and RGB color sensor) were used. Design and measurements were done in SolidWorks. Coding and calibration were done using Arduino-Uno. Calibration was done in four colors (Red, Green, Black, White). The main theme of my project was to bring automation to the sorting of containers in shipyards.

# Research Interests

During my undergrad I had the opportunity to work as a trainee in country's renowned power-plant, fertilizer factory, Automotive Industry and Apparel Industry. This training made me interested in different research topics, upon which I want to pursue my PhD.

Additive Manufacturing was something rarely known in Bangladesh. But I was lucky enough. Training done in Beximco Textiles, gave me the opportunity to experience the extensiveness of 3D printing. I was sure by then that AM is going to be the next big thing and there are lot of aspects that may be improved in this field and lot of sectors can be explored, which in turn is sure to bring about revolution in the field of Technology.

### Bio-printing

Bio-printing to me is something that's going to change everything. While applying for grad school I came to know about the advancement of 3D printing in this sector. I was amazed how bio-printing is going to make our medical science grow and flourish. Printing of cartilage tissues, vascular channels, heart etc really amazed me. The most that made me interested that these printed organs were ready to be used and functioned well, just like real ones.

### Bio-materials

Bio-material makes the bio-printing viable. Bio-ink and their ability to support living cells was something mention-worthy. While going through research and publication related to bio-printing, I came to know about Hydrogel, pluronic 127 etc fugitive inks that aid the extrusion based organ printing. I also have some ideas to create vascular channels in organs with nano-fibers stamped with them to increase the ability of the organs to withstand more stress.

### Metal 3D Printing

Printed object in Additive Manufacturing being ready for use attracts my curiosity towards metal printing. Metal printing makes the printed object being ready for use. It enhances the utility of 3D printing. As 3D printing can make complex geometries to be printed in a single and simple step, I think selection of perfect printable metal in this case will add a new dimension to AM.

## Energy Storage Systems

Currently I'm working on a project on using super-capacitor with energy storage systems. As super-capacitor's peak voltage and current are very high, they can absorb maximum energy and then pass it towards the storage system without affecting the life-cycle of battery-like energy storage systems. I'm also interested in Hydrogen Energy Storage and going through the latest research works on Hydrogen collection and storing them for usage in electric vehicle or in industries to reduce carbon foot-print.

## Electrification in Automotive Systems

Course on Intro to Hybrid Electric Vehicle and Propulsion system drove towards the electrification of automotive systems. I found that most of the regenerative braking is lost in heat to save the battery in an HEV or BEV. I thought that selection of material in super-capacitor and using them in parallel to battery can enhance life-cycle and also make the most use of regenerative braking.

# Goals

Applying what I learnt during my course of study and depicting them to the reality is my aim. I'll be soon done with my master's. Before my graduation I want to have hands-on experience. I want to give a shape to my ideas that will boost my confidence and make me an accomplished candidate while I go for a research-oriented career.