Harinath Bodugutla

• Area of expertise comprises steady-state, dynamic linear/nonlinear analysis, PSD analysis, Harmonic analysis, optimization of aero-engine components and external structures
• Perform hand calculations to validate FEA
• Creation of technical reports detailing results of the analysis
• Interaction with the external customers
• Review and analysis of site data and testing
• Documentation for proposals, technical reports, and customer O&M manuals
• Creation of engineering instructions that define technical requirements for manufacturing, installation, and testing
• Work on R&D projects for development of new generator technologies
• Interaction with customer to understand design and analytical requirements.
• Trained and mentored competent and flexible workforce to meet project needs and promote positive work environment.
• Developed positive working relationships with stakeholders to effectively coordinate work activities.

• Creation of technical reports detailing results of the analysis
• Interaction with the external customers
• Review and analysis of site data and testing
• FE modeling of component using 3D elements
• Model setup, validation and analysis to obtain the baseline set of results for the existing system
• Identifying the critical parameters in the design and preparation of parametric model
• Identifying the max allowable stress for the design and its natural frequencies
• Setting up a DOE approach to get the combination of iterations
• Defining a mathematical formulation by defining objective function as to clear the interferences modes
• Solving the model for different iterations and generation of response surface and studying how design parameter is sensitive to the constraints
• Getting the optimized solution using optimization algorithm from the response surface by solving for the objective function
• Validating the optimized solution to ensure the stress and natural frequencies are acceptable
• Analysis, results interpretation and discussion of results with customer
• Analysis results report generation and documentation.
• Reported on updates to project specifications and progress.

• Worked at client location as a onsite coordinator and also to support on special projects to built the process of Mistune Harmonic analysis and Flutter Calculation.
• Developed Process definition documents for most of the components by using CATIA,ANSYS Classic,ANSYS Workbench and Hypermesh tools
• Carried out day-to-day duties accurately and efficiently.
• Offered friendly and efficient service to customers, handled challenging situations with ease.
• Increased customer satisfaction by resolving issues.
• Learned new skills and applied to daily tasks to improve efficiency and productivity.
• Identified issues, analyzed information and provided solutions to problems.
• Developed team communications and information for meetings.
• Saved 3330hours by implementing cost-saving initiatives that addressed long-standing problems on post processing

Worked on PW800 Series Engine

• Project Status Progress, : This project involves project execution task for the components like Stators, Rotors, Diffusers, etc., for PWC engine family using ESW Rotor and Stator
• Responsibilities:
• Preparing FEA and Modal analysis in ANSYS
• Extract modal frequencies and plot the Campbell and Goodman Johnson diagram
• Discussion of results with customer
• Analysis results report generation and documentation
• Other Responsibilities:
• Initiating the Kick off meeting to understand the project
• Analysis execution of Gas Turbine & Locomotive components using ANSYS & HYPERMESH tools as per the process document
• Interpreting the result
• Presentation Preparation and carrying out review meeting
• Project closure
• Project title : FDGS Input Coupling Analysis and Optimization
• Responsibility : Given based line geometry is to be optimized to meet required ESW/PSRD stiffness, strength, durability and manufacturing criteria
• Tools used : Multi Objective Optimization (iSight, Ansys, CatiaV5, Automodeler, In-house APDL Macro, SMV and Surck)
• Team size : 4
• Description:
• This component is a rotating structure
• Also the this component possess complex shape as it has to take complex loading
• This task involves the following major activities
• Develop analysis and optimization methodology
• Create FE model using Automodeler
• Create APDL program to automatically analyze for the given loads and extract results in required format
• Make complete optimization set up by connecting Ansys, Catia V5, Automodeler and iSight
• Optimize the Input Coupling to meet required PSRD stiffness, strength, durability and manufacturing criteria
• Use Goodman diagram to check HCF (High Cyclic Fatigue) life of the component at various critical location
• Document all required results and share with Clients
• Individual Contribution:
• Planned the resource allocation to execute the projects
• Handled technical and quality aspects of the project
• Made complete optimization set up (Multi Objective Optimization) by connecting Ansys, CatiaV5, Automodeler and iSight
• Created APDL program to automatically analyze and extract results in required format which reduces lead time significantly and reduces manual intervention ensuring the quality
• Handled the meetings with clients and chiefs to discuss the structural analysis results
• Coordinated with Offshore team to execute the task and made sure that deliverables are on time with quality.

• Worked as an onsite coordinator and supported a special project(Balde Twist Flap Calculation). Worked to develop Process definition Documents(PDD's)
• Coordinated technical requirements, scheduling and solution development for engineering design and test issues.
• Addressed design challenges and evaluated alternative design models to meet project requirements.

Worked on the below projects:

1)Projects:-Pratt & Whitney Canada – PW210E full engine alternating loads

Project Status Progress

Tools Used ANSYS, HYPERMESH, CATIA

Period: 1 Year

Role: Team Member & Project execution

Description The objective of this project was to determine the flange acceleration levels due to varying mount loads mainly coming from the Main gear box. Harmonic analysis was carried out to evaluate if the acceleration levels are within acceptable limits.

Responsibilities:

Ø Preparation of various mount load combination details. These loads are applied as forcing function in harmonic analysis.

Ø Model setup of full engine and preparation of Nastran deck for harmonic analysis with different load sub cases.

Ø Solving for harmonic analysis and getting the harmonic response at excitation frequency.

Ø Extracting the acceleration levels for individual load combination at various flange location using hyper view.

Ø Analysis, results interpretation and discussion of results with customer.

Ø Analysis results report generation and documentation.

2) Projects:-Pratt & Whitney Canada –PW150 Rotors

Project Status Completed

Tools Used ANSYS, CATIA, GAGEMAP

Period: 2 Years

Role: Team Member & Project execution

Description: The objective of this project was to evaluate the possibility of achieving the natural frequencies of the aero engine rotor component to clear the interference in Campbell diagram without impacting the dynamic analysis stress and weight of the component. Place the Strain gage on the finalized model.

Responsibilities:

Ø FE modeling of component using 3D elements.

Ø Model setup, validation and analysis to obtain the baseline set of results for the existing system.

Ø Identifying the critical parameters in the design and preparation of parametric model.

Ø Identifying the max allowable stress for the design and its natural frequencies.

Ø Setting up a DOE approach to get the combination of iterations.

Ø Defining a mathematical formulation by defining objective function as to clear the interferences modes.

Ø Solving the model for different iterations and generation of response surface and studying how design parameter is sensitive to the constraints.

Ø Getting the optimized solution using optimization algorithm from the response surface by solving for the objective function.

Ø Validating the optimized solution to ensure the stress and natural frequencies are acceptable.

Ø Analysis, results interpretation and discussion of results with customer.

Ø Analysis results report generation and documentation.

3)Projects:-Pratt & Whitney Canada –PW150 Igniter collar

Tools Used ANSYS, HYPERMESH

Period: 1 Year

Role: Project Lead & execution

Description: The objective of this project was to study the crack issue on the igniter collar and suggest the new design. Thermal, steady and dynamic analysis was carried out for different iterations

Responsibilities:

Ø Digging out the problem to crack the collar

Ø Preparation of various designs with in the PWC best practices and Criteria.

Ø Solving for Thermal, steady and dynamic analysis

Ø Extracting steady stress results and modal frequencies.

Ø Analysis, results interpretation and discussion of results with customer.

Ø Analysis results report generation and documentation.

4)Projects:-Pratt & Whitney Canada – PW800 Series Engine

Tools Used ANSYS, HYPERMESH, CATIA

Period: 4 Years

Role: Project Lead & Project execution

Description: This project involves project execution task for the components like Stators, Rotors, Diffusers, etc., for PWC engine family using ESW Rotor and Stator.

Responsibilities:

Ø Preparing FEA and Modal analysis in ANSYS.

Ø Extract modal frequencies and plot the Campbell and Goodman Johnson diagram

Ø Discussion of results with custome

Team size : 4

Description:

This component is a rotating structure. Also the this component possess complex shape as it has to take complex loading. This task involves the following major activities

Develop analysis and optimization methodology. Create FE model using Automodeler. Create APDL program to automatically analyze for the given loads and extract results in required format. Make complete optimization set up by connecting Ansys, Catia V5, Automodeler and iSight. Optimize the Input Coupling to meet required PSRD stiffness, strength, durability and manufacturing criteria. Use Goodman diagram to check HCF (High Cyclic Fatigue) life of the component at various critical location. Document all required results and share with Clients

Individual Contribution:

Planned the resource allocation to execute the projects. Handled technical and quality aspects of the project. Made complete optimization set up (Multi Objective Optimization) by connecting Ansys, CatiaV5, Automodeler and iSight. Created APDL program to automatically analyze and extract results in required format which reduces lead time significantly and reduces manual intervention ensuring the quality. Handled the meetings with clients and chiefs to discuss the structural analysis results. Coordinated with Offshore team to execute the task and made sure that deliverables are on time with quality.