Design, CAD/CAM/CAE, Crash, Manufacturing

ROHAN D. AHER

**** **** ******, ***#***, Detroit, MI-48201

Email: *****.****@*****.***

Cell: 313-***-****

PERSONAL PROFILE

A experienced master’s student with specialization in Solid Mechanics and Manufacturing, skilled at working closely with others in a team environment and with a flexible approach to work. EDUCATION

Masters in Mechanical Engineering (GPA: 3.86) Expected May 2018 Wayne State University, Detroit, MI, USA

Bachelors in Mechanical Engineering, University of Pune, Maharashtra, India July 2015 Diploma in Mechanical Engineering, MSBTE, Maharashtra, India July 2012 WORK EXPERIENCE

Teaching Assistant, Wayne State University Mechanical Engineering Dept. January 2017 – April 2017

• Provide technical guidance, peer review and mentorship to student engineers.

• Compiling, maintaining the Test, Quiz and Homework results as per professor’s guidelines.

• Grading assignments and homework and Conducting quizzes and grading them. Design and Development Engineer June 2015 – July 2016 GK Group, Swami Samarth Industries, Nashik, India

• Managed all phases of the design process for a multitude of products, components, parts, assemblies and subassemblies, including drafting, dimensioning, tolerancing, prototyping and documenting results.

• Products: Shaft, nut, bolt, universal coupling, supporting brackets.

• Software’s Used: AutoCAD, CATIA, ANSYS.

Part Time Teaching Assistant, Gaurav Burhade’s Structure Academy, India Nov. 2015 – May 2016

• During this tenure, I have undertaken various tasks in teaching the theoretical material

for undergraduate students and tried to deliver the best of my abilities.

• Led class discussions and provided group study session. TRAINING AND WORKSHOPS UNDERGONE

Industrial Training, Mansa Engineering PVT. LTD., Nashik, India May 2011

• Exposed to various machining processes in industry and production department.

• Examined materials and products at various stages of processing for conformance to specifications. Entrepreneurship awareness camp Jan 2012

• Introduced to the Entrepreneurial Characteristics, skills.

• Learnt about smart goals and its techniques.

ACADAMIC PROJECTS AND SEMINAR

Vehicle Crash Analysis, Wayne State University, Detroit, MI, USA Jan 2017

• Performed Head-on (100%) and offset (40%) Collision Impact Analysis on Econ Van.

• Also performed Rear crash test, Side impact test, Vehicle to Vehicle Frontal crash test.

• Designed CAD models of vehicle chassis, seat, seat belt and steering using CATIA.

• Prepared models for the crash test by positioning the Hybrid Dummy and Steering for occupant simulation.

• Analysed stress distribution throughout the chassis frame during impact using LS-Dyna following FMVSS 208, FMVSS 214 and FMVSS 216(a) standard occupant safety and optimized design to reduce the forces experienced.

• Software used: CATIA V5, HyperMesh, and LS-DYNA. FE Modelling of Bar, Beam, Column, Cone, and Thermal Analysis of Bracket August 2016 Wayne State University, Detroit, MI, USA

• FE Modelling was generated for Bar, Beam, Column and Cone as per requirements and appropriate thickness and material properties were assigned.

• Pre-processing - 3D modelling, Create Material and assign Properties, Meshing, assigning Boundary Conditions (Constrains and temperature) and application of Loads (Forces, Pressure etc.).

• Post-processing – Contour plot in HyperView, Plane stress, Plane strain, VonMises stress, Query table for required parameters such as Temperature at specified Node or Element.

• Results – Graphical comparison of various Parameters such as Analytical and theoretical values of Stress, Strain and Temperature Distribution.

Rivet Design Optimization, Wayne State University April 2017

• Half Modelled Punch, Die, and Rivet for axisymmetric analysis using HyperMesh and modeled and assigned boundary conditions

• Optimized the design of rivet assembly to achieve best secure condition performing the explicit analysis using HyperMesh and Abaqus

• Minimized Equivalent Plastic Strain in plates of rivet assembly after performing several iterations with varying mesh type and size different rivet geometric dimensions and punch stroke Fatigue Life of Flip Chip Package, Wayne State University April 2017

• Modelled & meshed Flip-Chip Package using HyperMesh and modeled and assigned boundary conditions and thermal loading

• Simulated the system in Abaqus and observed and recorded results for Equivalent Plastic Strain

• Calcuated the fatigue life of the system using Coffin Manson's equation and recorded the results

• Analysed a similar system with deformation, observed and compared with the original and commented on the reliabilty of the system

Wind Turbine Laminate Design, Wayne State University November 2016

• Developed composite laminate for a blade of wind turbine with a flexibility in material selection, type of forces as well as simulated the laminate to find various stresses and strains on it.

• Predicted the possibility of laminate failure by TSAI-HILL, Maximum Stress and Maximum Strain failure theories and drafted the graph of laminate behavior.

• Software used: MATLAB.

Design and Manufacturing of Drilling SPM for push rod of Air Brake University of Pune, Maharashtra, India June 2015

• Overcomed the flaws in the traditional method of drilling and was industrial sponsored.

• Design and manufacturing of SPM which includes sub parts as Fixture, Frame, Hydraulic and Pneumatic Circuit.

• It includes design of fixture for simultaneous drilling and pneumatic circuit design for operation.

• Computed the precision of fixture and tool position using CMM.

• Learned about various basic fixture design rules and manufacturing technologies. Pneumatic Can Crusher, MSBTE, India May 2012

• Its application was to crush the used cans of foods and beverages using pneumatic force to reduce the storage space. The project was awarded the 2nd Prize at State level Project Competition.

• Designed Pneumatic Circuit.

• Designed and manufactured base frame and main body.

• Calculated the pressure requirement for crushing the can.

• Double ended pneumatic cylinder was used for simultaneous crushing of two cans. Heat Transfer Intensification using Nano-fluids September 2013

• It focused on the modes of the heat transfer using Nano fluids for optimizing the heat transfer rate and its applications.

• Reviewed various research papers to get through the basics of the Topic and presented a paper at Technical Event.

TECHNICAL & COMPUTER SKILLS

• Finite Element Modelling and Analysis: Linear Static, Non-Linear Static, Dynamic and Axis- Symmetric Analysis, Modal Analysis, Structural Analysis, Thermal Analysis.

• CAD Tools: AutoCAD, CATIA, UG NX.

• Pre-Processor: HyperMesh, LS-PrePost, ANSYS.

• Solvers: LS-DYNA, Optistruct, ABAQUS.

• Post-Processors: HyperView, ABAQUS, ANSYS.

• Computer Skills: MS Office, MATLAB, MS Excel.

• Safety Standards: FMVSS, NCAP, EuroNCAP, IIHS

HONORS AND ACTIVITIES

Masters Retention Scholarship, Wayne State University May 2017 1st Prize for paper presentation, Heat Transfer Intensification using Nano Fluids September 2013 Sandip Foundation

2nd Prize for State Level Project Competition, Pneumatic Can Crusher, DIPEX 2012 March 2012 Extra-Curricular Secretary, Mechanical Engineering Student Association, Sandip Foundation 2014 - 2015 Chief coordinator, Cultural Event and National Technical Event, Sandip Foundation January 2014 Participated in various social camps like Blood Donation, Road Traffic Safety,etc.

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