Harish Kumar Pasapula

Apt: ***, Reynolds **** Dr, Rochester, NY- 14623. Mobile: 585-***-**** Email: acuk9n@r.postjobfree.com

A highly efficient, self-starter, hardworking and talented with a comprehensive understanding of design processes; experienced in the development stages of a product- research, design, analysis and validation; possessing a good team spirit and deadline oriented.

Proficient in Creo; Simplified Rep creation, Part, Surfaces, Sheet metal, Drafting and Assembly modules, geometric healing and mass property calculations.

2+ years of experience in designing and developing Chassis Components.

Solid background of finite elements, mechanical design, industry drafting standards and GD&T.

Educational Background

Rochester Institute of Technology, Rochester, NY

Masters of Engineering in Mechanical Engineering, May 2016 GPA: 3.33/4.0

Osmania University, Andhra Pradesh, India

Bachelor of Engineering in Mechanical Engineering, May 2013 GPA: 3.56/4.0

Technical Skills

Mechanical Packages : Creo, ProE, AutoCAD,Solid Works, CATIA V5 Unigraphics, Ansys and CFX.

Programming Languages : C, C++,C#, Matlab and Simulink

Computer Softwares : M.S.Office Suite, Adobe Photoshop

Professional Experience

Design Engineer – Chassis Systems (May 2012 – Aug 2014)

Bio safe Healthcare systems pvt ltd

Front Axle Assembly of an LCV

Developed different representations of the wheel assembly in CATIA for different versions of the LCV.

Calculated the Hub Bearings Life, Camber angle change with load and the stresses for the front axle analytically.

Successfully packaged the bearings in the wheel hub to maintain optimum axial play for maximum bearings life.

Included the parameters like the Wheel track, King pin centres distance, King Pin Inclination, Castor angle, Scrub Radius, Axle Drop and Spring Centres distance in the final layout

Structural analysis has been made for the front axle assembly and the steering knuckle in Ansys.

Successfully resolved the issues of clashes and clearances with the other subsystems teams.

Developed the detailed drawings of the components, sub-assemblies and the final layout for the prototypes.

Front and Rear Leaf Springs Suspension Assembly of an LCV

Generated the models from the 2D drawings and successfully assembled more than 50 components.

Developed the detailed drawings of the components, sub-assemblies and the final layout for the prototypes.

Calculated the spring stiffness, deflection, Roll Stiffness, Ride Frequency and stresses at Unladen, Rated and Overloaded conditions analytically.

Successfully determined the leaf spring section and leaf eye design and designed for anti-dive and anti-squat.

Successfully checked the Feasibility at bump and rebound conditions by checking the clearances with tires.

Developed the real time simulation to check for the K & C using the Lotus suspension software.

Determination of the Center of Gravity of an LCV

Successfully determined the Center of Gravity of the vehicle, determining Mass Properties of every component.

Worked with a master assembly having more than 200 components of Chassis Subsystem.

Determined the Front and Rear Axle weights using analytical calculations.

Steering System Assembly of an LCV

Developed the detailed drawings of the components, sub-assemblies and the final layout for the prototypes using CATIA.

Determined the wheel lock angles, turning and track circle diameters.

Calculated the stresses for the pitman arm, drag link, tie rod and steering arm analytically.

Successfully plotted the steering error versus tire rotation graph.

Prediction of the performance of an LCV

Calculated Power limited, Geared and Maximum achievable speeds, gradeability, Tractive effort, Acceleration time and Load transfer at 0.8g braking analytically.

Design Engineer Intern (January 2012– April 2012)

PreMould Engineers- Hyderabad, AP, India

Tools Used: Catia V5, HYPERMESH, Abaqus and Ansys CFX.

Developed assembly drawings and sheet metal drawings applying industry standards GD &T.

Successfully designed various components of mold base manufacturing process like Core plate, Cavity Plate and Ejector Pin by using PTC Creo.

Analyzed these parts by applying different pressure and temperature loads which are in the permissible by using ANSYS.

Successfully done cost and material analysis and implemented optimization techniques to improve the efficiency of Manufacturing Process by 5% per month.

Course Work

Rochester Institute of Technology:

Finite Element Methods, Mechanics of Solids, Intro to Engineering Vibrations, Intermediate Engineering Vibrations, Intro to Optimal Design, Vehicle Dynamics, Composite Materials and Engineering Mathematics.

Graduate Projects

Research Assistant Building a part of new software called Integrated Gear Design (IGD) using C#.

Using C#, developed a code for generation of spherical involute gear profile for a gear design software currently under development.

Successfully developed a code to generate CAD model of gear set on inserting the required input parameters

Leaf Spring Design Optimization

By Constraining the length and number of leaves of the leaf springs, by specifying the load, the design is successfully done for minimum mass within the stiffness, natural frequency and stress constraints.

Design of Automobile Suspension System

Calculated the Natural Frequency, Spring Stiffness and plotted the mode shapes by considering the Double wish bone suspension system as a Multiple Degree of freedom with damper.

Modeled of Automobile suspension system using PTC Creo.

Composite Material Project

Successfully reduced the weight of the Connecting rod by 67% by selecting the appropriate Composite material and justified the choice of material and also proposed the process technique.

Stress analysis with appropriate boundary conditions and comparison of the stresses with usual material is done

Program to plot the contours on the cross section of a beam under torsion

A Program in MATLAB is written to develop the Stiffness matrix, Field variable matrix and Boundary variable matrix.

Generated the contour plot of the stresses under torsion of a beam of any cross section.

Undergraduate Project

Intercollegiate Design Competition (2011-2012)

SAEINDIA BAJA – Pithampur, MP, India.

Designed the chassis using CATIA. Crash simulation for the front, rear and roll over of the chassis is done in Ansys. Coordinated with sponsors, maintained bill of materials (BOM) and documented the project.

Lead the design team and resolved issues and facilitated problem solving and collaboration several times.

Communicated with several companies and got sponsorships.

Coordinated the review, presentation and finalized the design layouts, drawings, analysis and other documents.

Designed the composite panels for the body, which reduced the weight and noise of the ATV.

Gained hands on experience with Electric Arc welding and MIG (Metal Inert Gas) welding process.

Successfully contributed towards 30% weight reduction with modified chassis design.

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