mechanical engineer vibration finite element analysis

SUMMARY OF QUALIFICATIONS

Mechanical Engineer with experience in applying physics and engineering principles to provide feasible solutions to complex and unusual engineering problems and design integrity testing. Proven ability to use analytical tools such as ABAQUS for Finite Element Analysis, SolidWorks and AUTOCAD for solid modeling, Matlab and Minitab for data analysis. Experienced in the use of numerical tools, Fortran and Mathematica, for computational modeling and design calculations.

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TECHNIAL SKILLS

•ABAQUS: Finite Element modeling of heat exchanger impingement plate impact stresses and static beam deflections

•SolidWorks and AUTOCAD: Generated 3D models and 2D part drawings of heat exchangers to better understand flow process and suggest necessary design changes

•Mathematica and Matlab: Numerical computing for thesis research to calculate natural frequencies and mode shapes of tube vibration using the Receptance method

•Fortran: Coded the numerical model to calculate heat exchanger pressure drops, velocities and flow fractions based on the theoretical model developed using Bond Graphs

•Macromedia Freehand MX: Generated 2D sketches of heat exchanger design changes

•Tecplot: Data visualization of output stresses and velocities generated by Fortran

•MS Word, Excel and Powerpoint for documentation

•Basic administrative skills in MS Windows and Linux environments

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PROFESSIONAL EXPERIENCE

Power Generation Shell and tube Heat Exchangers 2006-2009

Technical Assistant - Industrial Consulting for Moisture Separator Re-heaters (MSR)

•Conducted Flow induced vibration analysis/response calculations of Moisture Separator Re-heaters used in the Nuclear industry using Finite Element method

•Developed a numerical code in Mathematica to evaluate thermal binding and buckling failure of heat exchanger tubes by analyzing startup and shutdown transients of the MSR

•Data analysis of numerical results to suggest necessary design changes using SolidWorks to reduce flow induced vibration amplitudes

•Analyzed impact stress and velocities on the impingement plate of sea water heat exchangers used in the power plant steam generators

•Performed damage analysis to evaluate fatigue failure of Moisture Separator Re-heater tubes to predict life time of the same

•Successfully verified TEMA and HTRI performance results of Moisture Separator Re-heaters

•Successfully verified Thermal Engineering International’s MSR designs

•Timely report generation with suggestive design changes using various software tools such as Tecplot, SolidWorks, MS Word, MS Powerpoint, and ABAQUS

Graduate Research – Master’s Thesis 2007-2009

Modeling of a cost effective Heat Exchanger tube vibration damping mechanism

•Analyzed effects of wedging/self-preloading on vibration damping of heat exchanger tubes

•Identified and modeled the non-linear coupling mechanism of transverse and longitudinal vibrations to show energy re-organization of the vibration mechanism

•Successfully explained the existence of coulomb friction damping due to the wedging leading to transverse vibration damping

•Designed an experiment using Linear Voltage Differential Transformer to validate analytical results

•Successfully disproved claims of change in natural frequency of the system through spectral analysis of experimental results using Fast Fourier Transform in Matlab compared with natural frequencies calculated accurately using the Receptance method

Performance Evaluation of Diesel Engine with Shell and Tube Heat Exchanger 2004

•Conducted performance feasibility analysis of diesel engine supplied with preheated intake air

•Designed and fabricated Shell & Tube type Heat Exchanger using the LMTD method

•Demonstrated energy conservation by pre-heating intake air using high temperature engine exhaust gases

•Achieved better Specific Fuel Consumption and Brake Thermal Efficiency of the engine

Manufacturing and Process Improvement (Internship) - TVS Motor Co.,INDIA 2005

•Investigated assembly line process using the fault tree method to identify cause of engine re-work

•Designed and implemented a tool to improve the cranking assembly of the 4-Stroke engine

•Modified assembly line process achieving reduction of re-work from 3885 to 800 parts per million

•Awarded Best Project in Manufacturing by Undergraduate University’s Society of Mechanical Engineers

Design of Experiments - Statistical Data Analysis of material corrosion 2006

•Applied regression models for identifying critical parameters in a corrosion system using MINITAB

•Modeled the electrochemical corrosion mechanism using ANOVA and Regression Analysis

•Quantified contributions of various factors affecting current density in metal corrosion

Graduate Teaching Assistant 2007-2009

•Assisted in student labs, graded reports & exams, critiqued presentations

•Instructed Mechanical Engineering courses with class strength of 50 or more

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EDUCATION

Case Western Reserve University, Cleveland, OH, August 2009

Master of Science (M.S.) - Mechanical Engineering

Thesis: “Alternating Longitudinal Wedged Coulomb Forces Minimize Transverse tube Vibrations through Non-Linear Coupling”

Visvesvaraya Technological University (VTU), Bangalore, INDIA, 2005

Bachelor’s in Engineering (B.E.) – Mechanical Engineering

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