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SUMMARY
. Abhishek hold's Masters Degree in Mechanical engineering with excellent
experience in CFD Modeling and Simulation, Mesh preparation, Turbulence
Modeling, Heat Transfer Analysis and Thermodynamics.
. Strong experience in Engine simulation using Dynamic Meshing in FLUENT
and analyzed different performance parameters.
. Good experience in simulating and analyzing supersonic flow, over an
inflatable space vehicle, re-entering Earth's atmosphere using FLUENT 6.
. Hands-on experience: Used ANSA to do mesh of vehicle and its external
flow volume, used StarCCM+ to do vehicle external flow analysis
. Proficient in performing Stress Analysis using Finite ELEMENT method
(FEA) and CFD on different parts of engines and other hydraulic systems.
. Well-versed with C++, FORTRAN, ANSA, STAR CCM, MATLAB, ANSYS, FLUENT,
GAMBIT, AutoCAD, CATIA, Fire Simulator and Pro-E.
. I simulated flow in Engine Cylinder to design Inlet and Outlet valves
using Dynamic Meshing in FLUENT
. Used Density based solvers to solve Compressible flow.
. Used Standard k-? model to solve characteristic scale for both turbulent
velocity and length.
. In cylinder model is used as it facilitates the modeling of the dynamic
mesh motion of piston and valves, in terms of crank shaft angle, crank
speed, piston stroke, and connecting rod length.
. DPM model is used to enable coupling between physically and chemically
interacting discrete and continuous phase.
. Group injection type is used as it aid in defining a range for one or
more of the initial conditions
. We used fixed temperature thermal conditions which is applied at the
wall, the heat flux to the wall from a fluid cell is computed
mathematically
. In order to mention the motion of ports, valves, and transient boundary
condition we have to use a valve profile and to Plot the piston motion
profile using C
. Created Engineering Equation Solver (EES) programs to perform Exergy and
Energy Analysis during Combustion
. Used ideal gas law and finite heat release model to provide a more
realistic SI engine model.
. Validated the results with experimental data, and improved the second law
efficiency of the system to 55.66%.
EDUCATION
. MS, Mechanical Engineering, University of Florida, Gainesville Florida
May 2014 GPA: 3.83/4.00
Major Coursework: Compressible Flows, Fluid Mechanics(Introduction and
advanced topics), Convective Heat Transfer, Computational Fluid Dynamics
(CFD), Turbulent Fluid Flow and Turbulence modeling, Principles of
Engineering Analysis
. BE, Mechanical Engineering Delhi College of Engineering July 2012
Major Coursework: I.C. Engines, Heat Transfer, Fluid Mechanics
(Introduction and advanced topics), CFD
SKILLS
Technical Skills: CFD Modeling and Simulation, Mesh preparation,
Turbulence Modeling, Heat Transfer Analysis, Thermodynamics
Software Skills: C++, FORTRAN, ABAQUS, STAR CCM, MATLAB, ANSYS,
FLUENT, GAMBIT, AutoCAD, CATIA, Fire Simulator, Pro-E,
HYPERMESH, ANSA
EXPERIENCE
C.F.E.E.S. Labs at Defense Research and Development Organization
Dec 11 - Feb 12
Intern
. CFD Analysis of Flow through Nozzle and Study of Fire Mist
Interaction(Liquid Spray Simulation)
. Worked in a team of 3 to simulate 1-D supersonic flow through Convergent
Divergent Nozzle using FLUENT. Captured the location of shock wave and
flow separation for varying mass flow rates. Suggested improvements in
design and manually tested them.
. Implemented flow visualization techniques to study Fire and Mist
Interaction.
. Simulated the convective eddies, generated due to interaction of plume
with mist being sprinkled over the fire. Validated the fire extinguishing
time with the standard data set.
C.F.E.E.S. Labs at Defense Research and Development Organization
May 11 - Nov 11
Intern
. CFD and Thermodynamic Analysis of Four-Stroke Spark Ignition Engine
. Lead a team of 4 to suggest design changes in Inlet and Exhaust Valves of
a 4 stroke S I engine using In-Cylinder model in FLUENT
. Simulated the processes using Dynamic Meshing in FLUENT and analyzed
different performance parameters.
. Created Engineering Equation Solver (EES) programs to perform Exergy and
Energy Analysis during Combustion
. Validated the results with experimental data, and improved the second law
efficiency of the system to 55.66%.
. Performed Stress Analysis using Finite ELEMENT method (FEA) and CFD on
different parts of engines and other hydraulic systems.
Research Projects Experience
Blast wave driven mixing, Computational Multi Physics Group University of
Florida Aug 13 - Apr 14
University of Florida, Gainesville, Florida
. Studied the growth of Multi-Mode Rayleigh Taylor Instability in
transition regime, driven by a blast wave for Cylindrical Interface.
. Implemented an in-house (DNS SIMULATION) CFD code to simulate various
mixing problems, by varying the mode of perturbations.
. Post processed the results in Tecplot and MATLAB to understand the origin
of turbulence to study the development of interface.
. Determined the influence of amplitude of perturbation on nonlinear
dynamics of instability growth and mode coupling.
CFD Solvers, Computational Fluid Dynamics, Advanced Fluid Mechanics
Feb 13 - Nov13
University of Florida, Gainesville, Florida
. Developed a Finite Volume CFD code to solve unsteady Navier Stokes
Equation. Analyzed the stability and accuracy of various spatial and time
discretization schemes. Extended the analysis to numerically solve a 2-D
heat conduction equation
. Modeled the physics of a lid driven cavity flow for varying Reynolds
Number.
. Formulated a Finite Volume CFD code to solve unsteady (2-D) Navier Stokes
Equation for a lid driven cavity flow using Fractional Step Method on a
Staggered Grid.
. Performed grid verification study to verify the order of accuracy and
validated the results with reference computations.
. Solved numerically, the vorticity stream function equations to simulate
lid driven cavity flow.
. Devised a Finite Difference CFD code and analyzed creeping and high speed
flows. Obtained vorticity stream function contours and theoretically
examined the boundary layer structure of the flow near the walls.
Study of Re-entry Vehicle
Aug 11 - May 12
. Simulated and analyzed supersonic flow, over an inflatable space vehicle,
re-entering Earth's atmosphere using at Mach 3 Conditions FLUENT 6.
. Implemented gradient based adaptive meshing to capture shock waves and
boundary layer to save computational time.
. Obtained density contours at Mach 3 conditions and verified them with
Schlieren photographs in literature.
. Computed the ratio of downstream pressure and density to upstream value
with 95% accuracy compared to theory.
External flow of Vehicle:
. Used ANSA to do mesh of vehicle and its external flow volume, then used
StarCCM+ to add boundary condition and select physical model, ran
simulation to get information like pressure and velocity vector about
external flow of vehicle, created a movie of streamline.
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