Darshak K Bhuptani

adjd9z@r.postjobfree.com +81-70-438*-****

OBJECTIVE

Always open to learn new techniques to solve the various kind of engineering industrial problems with different methods and tools available to contribute to the technology useful for the society EXPERIENCE

April 2017 – till date: Structural Analyst at Ebara Corporation [Research & Development division], Tokyo Japan. Responsibilities: Perform Structural analysis using Software’s to understand the real behavior of the product during its life time. Estimate its various parameters such as structural strength, fatigue failure strength, fracture strength etc. Supporting the design department with the structural analysis. Standardize the structural analysis process.

Oct 2016 –March 2017: Intern at Ebara Corporation [Research & Development division], Tokyo Japan. Responsibilities: Understand the Ebara Standards and Process of performing tasks, learning new techniques for solving and understanding issues raised with the structure of the product. EDUCATION

Program Institution %/CGPA Year of completion

M.S in Applied

Mechanics

Indian Institute of Technology Madras, Chennai 8.0 2016 B.Tech in Aerospace

Engineering

Indian Institute for Aeronautical Engineering and

Information Technology, Pune

79% 2013

Higher Secondary

School

NES Ratnam Jr. College of Science, Mumbai 75.67% 2008 Secondary School Holy Angels High School, Mumbai 78.93% 2006 SUMMARY OF QUALIFICATIONS

Developed a method to predict the number of droplets formed for a nanoscale liquid thread due to Rayleigh instability (applying Hohman et al. theory to nanoscale regime for a definite L/D ratio) analytically.

Using the above analytical expression and method, the amount of electric field required to suppress the Rayleigh instability can be predicted.

Utilized Matlab and FORTRAN for solving the analytical expression and post-processing of the output data.

Qualified GATE 2013 and 2014 with All India Rank 178 and 150 respectively.

Wait listed for JRF-2013 at DRDO-CABS, Bangalore in Aeronautical Engineering branch with registration number(AM-349.

SKILLS

Analysis Tools: Ansys Workbench, Nastran

Development tools: FORTRAN, MATLAB

Design Tools: Solidworks, CATIA V5 R18, Photoshop

Operating systems: Microsoft (XP, Vista, 7, 8,10), Ubuntu 14.04.

Others: MS Office.

PROJECTS DURING GRADUATION @IIAEIT PUNE

Power by wire (Electro Hydrostatic Actuator) (5 months)

The main aim was to get a controlled deflection of the control surface.

Developed the model of an EHA system at a project level at a minimum cost

Pneumatic actuator as a main cylinder which was actuated using engine oil as a hydraulic fluid.

Computational Simulation of A300 aircraft wing structure using FEM (Ansys : Structural) (5 months)

The main aim was to simulate the A300 aircraft wing for the structural deformation for various loading condition.

Developed the model of A300 wing structure using CATIA with the data available from Airbus manual and some mathematical calculations.

Only external structure was designed due to unavailability of the detailed internal information

Engine design competition held by AIAA during 2011-12 (3 months)

The main aim was to modify the base line engine to meet the requirements using GAS TURB software.

Modified the base line engine to meet the maximum requirements to fly a UAV (half scale of Joint Strike Fighter aircraft F-16).

RESEARCH TOPIC(S) DURING MS @IIT MADRAS

Studies on the breakup mechanism and the effect of different forces on the breakup of a nanoscale liquid structure. To understand the breakup of a nanoscale liquid thread, Molecular Dynamics simulations were used to understand the physics of the problem. The results of the simulations were compared with the macroscale theories as well as with the earlier studies involving the same physical problem. The difference between the present study and the previous study is the different molecule is used with higher complexity. The effect of surface tension and the thermal fluctuations were studied and same results were obtained as previous studies had reported. The effect of external electric field was also studied and it is found that axial electric field stabilizes the liquid thread.

Prediction of number of drops to be formed and the amount of electrical field strength required to suppress Rayleigh instability using the theory developed by Hohman et al. (2001) The mathematical model developed by Hohman et al. (2001) for the case of electrospinning process to predict the different phenomena analytically was applied to nanoscale structures. The fluid properties such as viscosity and surface tension was calculated using Molecular Dynamics simulation and was used as an input to the dispersion relation obtained by Hohman et. al. The results obtained from solving the dispersion relation were in a good agreement with the MD simulation results. The amount of external electric field strength required was predicated from the dispersion relation and was used in the MD simulation. MD results were in good approximation with the expected analytical results for a definite range of length to diameter ratio. CONFERENCE & JOURNAL PAPER

Abstract titled “The effect of electric field on the stability and breakup of liquid nano-thread” (2015), Bulletin of the American Physical Society, volume 60, Boston, USA.

Journal Paper titled “Effect of Axial Electric Field on The Rayleigh Instability At Small Length Scales” https://journals.aps.org/pre/abstract/10.1103/PhysRevE.95.053115 EXTRA-Curricular activities

Participated in Tokyo Spartan Race held at Chiba on 19th May, 2018

Active in Indian Cricket Club, Tokyo,

Swimming and Running twice a week.

Participated in a 2 day adventure race held by NEF Enduro, Pune on 12th and 13th Feb, 2010

The race was a mixture of cycling, trekking, and river crossing.

This race had taught me the importance of team effort and how to get your goal with your team.

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