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Portfolio of Dave Bhaumik Kishorkumar
1. Subsea pipeline strain analysis for North and South Line
 Subsea pipeline was modeled and analyzed for strain.
Roles, Responsibilities and deliverables:
 From the Longitude and Latitude data available, North and South line were modeled using
ANSYS APDL.
 Pipe supports were applied in terms of Boundary conditions at the supporting nodes.
 Prescribed gravity loading was applied to study the strain due to shock loading.
 Schematic Representation : (If possible to show)
2. Seismic Analysis of a rack system for glass manufacturer.
 Seismic Analysis was performed for glass storage rack using ANSYS.
Roles, Responsibilities and deliverables:
 Created 3D model of the rack system in ANSYS Design Modeler
 .Derived Boundary conditions by site audit and applied loading conditions.
 Schematic Representation : (If possible to show)

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3. Design and Development of Kawana Suspensions
 Kawana Dual Stage Actuator Suspensions were to be Designed for Customer Toshiba
Roles, Responsibilities and deliverables:
 Designing of Suspensions including component Designs (Mount Plate, Flexure, Load Beam,
Piezoelectric PZTs etc.)
 Simulation of the Designs in ANSYS using Finite Element Analysis and sharing the results with the
customer mainly for Frequency Response results.
 Modifications of the Designs subjected to the Feedback received on the specifications Target
from the Customers.
 Designing with Frequency Response Function Optimization.
 Simulation for Sensitivity studies subjected to various manufacturing variations.
 Co-ordination with Tool Design and manufacturing for the development of assemblies.
 Testing and Validation of the Results. i.e. Modeled using Finite Element Analysis versus Actually
measured.
 Schematic Representation : (If possible to show)
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Contribution
 Driver of the weekly meetings with customer in discussing the product performance parameters
estimated using Finite Element Analysis results.

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 Lead Member in conducting and developing the simulations for various Tests performed in
Laboratory.
 Driving member for Design for Manufacturing activities for different Design Options. These
activities were performed normally with Tooling Design Department.
 After prototype development, was actively involved in getting the Test results out quickly for
static and life cycle Tests.
Results
 Qualified Magnecomp Precision Technology as a vendor of Toshiba.
4. Thermal Simulation of a Curing Tool
 Thermal Simulation for Curing Tool
Roles, Responsibilities and deliverables:
 Performing a Simulation of Thermal Distribution for a Curing Tool
Contribution
 Helped converting the 3D problem into a 2D Axis symmetric Analysis problem and reduced the
computational efforts by substantial amount.
Results: Thermal Distribution for Curing Tool

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5. Glue Optimization for Honeycomb Structure
 Glue volume Optimization using Finite Element Analysis
Roles, Responsibilities and deliverables:
 Created a Finite Element Model for the Honeycomb structure.
 Applied various glue thicknesses for upper and lower plate gluing in Finite Element Model and
simulated by performing a Design of Experiments.
Contribution
 Optimized for Glue Volume to be used to connect the Top Plate with honeycomb structure.
Results:

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6. Project name: Pressure drop reduction across the duct with help of CFD
 CFD Simulation of Existing Design of Duct and new Design.
 Pressure Drop calculated for three Designs.
Roles, Responsibilities and deliverables:
 Performing a CFD Simulation of Duct for a Power Plant
Contribution
 Went to client site to understand the Project Deliverables
 Modeled the Duct from 2D input drawings into FLUENT and then simulated for Pressure Drop.
 Calculated Pressure drop for 3 different Designs and suggested the best suitable Design
 Validated the results by actual measurements at client site

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Results:
7. Thermal Simulation of Heater Plate
 Thermal Simulation of two different designs.
Roles, Responsibilities and deliverables:
 Performing a Thermal Simulation for Heater Plate Design
 Optimize the Design to get more even Temperature Distribution across the heater plate.
Contribution
 Co-ordinate with client throughout the project for the simulation
 Worked on Steady State Thermal Simulation for the Heater Plate
 Optimized the heater routing so that the temperature distribution across the heater plate is
even.
Results:

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8. Shock Analysis of Detector System
 Shock Analysis which was a part of Seismic Qualification for the Detector System for a Nuclear
Power Plant.
Roles, Responsibilities and deliverables:
 Identifying equivalent G loading for the equivalent Seismic Event from the Spectrum.
 Simulating for various X, Y and Z directions G loading and calculation or Margin of Safety for
different component of the system.
Contribution
 Created the FE model of the Detector System from 2D autocad drawings.
 Identified G loading required for the equivalent shock event.
 Simulated and Calculated Margin of Safety.

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Results:
9. Flamingo Gimbal Mode Identification
 Simulation for the Gimbal Mode for Flamingo Design.
Roles, Responsibilities and deliverables:
 Identifying the Gimbal Mode by Finite Element Modeling
 Getting the product benchmarked with the Design of Competitor by Wyko scanning results.
Contribution
 Modeled several variations due to manufacturing in ANSYS and compared those with actual
measured parts.
 Compared the parts with Competitors' design by Wyko Scanning measurements.
 Concluded on the exact reason behind unwanted Gimbal Mode for the Product and
recommended solution.

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Results:
 Recommendation to avoid a particular manufacturing variation and hence achieved Customer
Satisfaction.

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10. Sensitivity Study for Frequency Response
 Sensitivity Study for variations affecting Frequency Response
Roles, Responsibilities and deliverables:
 Identifying the manufacturing Variations.
 Selecting the Manufacturing Variations that may have impact on Frequency Response for Hard
Disc Drive Suspensions.
 Simulating all variations selected and derive conclusion on the sensitivity of each variable.
Contribution
 Identified and selected manufacturing variations and then simulated using Finite Element
Analysis for Frequency Response.
 Concluded the most sensitive parameters that impact the Frequency Response which is
performance parameters for Hard Disc Drive Suspensions.
Results:

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11. Piezoelectric materials' stress during Handling in Tray
 Simulation for handling of parts with piezoelectric element in trays during shipment.
Roles, Responsibilities and deliverables:
 Setting up the simulation and Deciding the Boundary Conditions from the real arrangement of
the parts
 Finite Element Analysis of the parts subjected to Shock Loading.
Contribution
 Identified Boundary Conditions for the simulation depending upon the actual position of the
components and simulated the same condition for a shock event.
Results:

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12. Investigation of Piezoelectric material crack during Curing in Oven
 Investigation of the cracks in piezoelectric materials due to types of glue spread and curing due
to heating in Oven.
Roles, Responsibilities and deliverables:
 Studied various cases of variation in glue dots for mounting the piezoelectric element.
 Studied the curing process of the glue.
 Modeled the physics in Finite Element Analysis software using different conditions of glue dots.
Results:

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13. Stress Analysis of Offshore structure
 Assessment of an offshore structure(dolphin tower system) subjected to wind, wave and
hydrostatic loadings
Roles, Responsibilities and deliverables:
 Calculating the wind and wave forces for different load cases using the relevant codes
 Finite Element Analysis of the tower system
Contribution
 Set up a method to analyze the offshore structure by making use of Manual calculations based
upon relevant codes and Finite Element Analysis methods.
Results: