Mechanical Engineer Engineering

SUMMARY

o Mechanical engineer with Master’s degree & 3 years of NVH experience actively looking for full time opportunities o Proficient in NVH testing, Acoustics, CAE correlation, Structural dynamics, Data acquisition & signal processing o Competency in NVH analysis tools (LMS Test.Lab, HEAD Acoustics) & analytical tools (HyperMesh, Nastran) o Hands-on experience with Signature analysis, Order tracking, Frequency analysis, 3D ODS analysis, Modal analysis, Transfer path analysis, Acoustic intensity testing, Acoustic material testing, Noise source Identification o Instrumentation (microphones, accelerometers, tachometers, load cells, shakers, etc) o Experience with subjective jury testing to create objective sound quality metrics o Experience in diagnosis and troubleshooting of noise & vibration issues as part of maintenance team o Trained professional with 1.5 years of NVH lab experience working on multiple industry sponsored project in NVH EDUCATION

M.S. Mechanical Engineering Michigan Technological University, Houghton, MI GPA 3.93 May ‘18 B.S. Mechanical Engineering PEC University of Technology, India GPA 3.52 Aug ‘11- Jun ‘15 TECHNICAL/COMPUTER SKILLS

• NVH • Acoustics • FEA • Data acquisition • Instrumentation

• HyperMesh • ANSYS • Solidworks • MatLAb • Artemis

• LS DYNA • Abaqus • CATIA V5 • CEA • MS office suite

• Optistruct • Nastran • NI LabView • LMS Test.Lab • C language PROFESSIONAL ENGINEERING EXPERIENCE

Mechanical Engineer General Electric (GE India) Aug‘15- July ‘16

• Plan conduct vibration diagnosis of large transformer tank to ensure vibration level below documented standard

• Carried out vibration isolation to mitigate structure-borne vibration transfer & performed sound proofing

• Trouble-shoots sound and vibration problems related to the customer's application

• Performed CAE vibration analysis on retrofit component for OLTC & OCTC mountings

• Conduct Sound Quality measurements and analysis on transformer attachments

• Document diagnosis results and write technical reports

Research assistant Michigan tech Aug‘16- May ‘18 Vibration analysis of Caterpillar Heavy duty machinery

• Performed experimental NVH testing on motor grader diesel engine chassis to address failure of chassis door hinges in fatigue due to vibration from engine & ride shake and tracked transfer-path for noise issue at bystander location

• Processed NVH dynamometer data for vehicle to find root cause of problem

• Executed signature analysis, order tracking, frequency analysis, 3D ODS analysis, modal analysis, Transfer path analysis, acoustic intensity test to find root cause of problem Modal analysis of bike frame

• Analyzed modes of vibration for aluminum bike frame to find reasons for buzzing noise generated at seat post while braking & developed tuned mass damper concept to eliminate unwanted rattle noise

• Formulated CAE model to compare to correlate with experimental test results Rotating Machinery diagnostics for faulty electric motor

• Performed order tracking on motor fixture to determine orders causing unwanted vibration on motor fixture

• Programed script to develop color map & perform order cuts to filter problematic orders using FFT & TVDFT Houghton, MI 49931 Arjun Singh 906-***-**** ********@***.*** ACOUSTICS PROJECTS

Acoustical improvements to gym room

• Tested and optimized sound absorptive material to attenuate RT 60 reverb time from 3.7 to 2 secs for school gym

• Designed noise absorptive panel to be hung in school gym for improving speech intelligibility

• Provided budget friendly solution to school at 35% cost of commercially available solutions

• Performed subjective analysis of noise issue by conducting jury study Acoustic response testing of stereo amplifier

• Conducted frequency response analysis for speaker-amplifier system at varied loudness level to analyze effect of bass and treble function on output audio

• Implemented digital signal processing techniques to obtain error free data MECHANICS/CAE PROJECTS

Fatigue testing for Light Weight Differential case Jan ’17 -Present

• Designed ductile iron alloy specimen used for diff case to conduct fatigue tests in accordance with ASTM standard

• Conducted tensile-tensile fatigue tests for ductile iron alloy, developed for thin wall diff case, to analyze surface effect of cast sand on fatigue life of specimens

• Developed S-N curves to be used for fatigue & durability analysis of differential case to predict performance CAE simulation of Ballistic test on REL conformable CNG tank Jul ‘17-Nov’17

• Conducted dynamic analysis of CNG tank under bullet impact in LS Dyna to predict safety performance in accordance with NATO STANAG 4569 standard

• Optimized 3D mesh for faster and efficient computation of solution Design of single stage axial turbine Oct ‘16-Dec ‘16

• Optimized stator blade shape by conducting CFD & FEA analysis for rotor blades to simulate its shape in operating conditions and henceforth increase aero efficiency of the system ENTERPRISE EXPERIENCE

SAE Enterprise Jun’12-May’15

• Designed and fabricated Baja (all-terrain vehicle) & hybrid electric vehicle for respective nationwide SAE events

• Responsible for cad modeling & CAE of chassis and other mechanical components

• Optimized the engine placement on vehicle to enhance traction on rear wheel & improved acceleration

• Conceptualized and organized events at technical festivals and conducted workshops for enterprise members Houghton, MI 49931 Arjun Singh 906-***-**** ********@***.***

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