Vivek Rajkumar FEA, ANSYS, Strength of materials
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About Me:
Hello! I'm Vivek, your go-to Finite Element Analysis (FEA) tutor. With over 12 years of industry experience and a passion for helping students grasp the complexities of FEA, I'm here to guide you through the fascinating world of numerical simulations. Whether you're a beginner or looking to advance your skills, I've got you covered.

🎓 What I Offer:

Tailored FEA lessons for all skill levels
Clear and concise explanations
Hands-on problem-solving
Real-world applications
Assignment assistance
Exam preparation
Project guidance
Tips and tricks for efficient FEA modeling

🌐 My Approach:
My teaching style is all about demystifying FEA. I break down complex concepts into digestible bits and use practical examples to ensure you grasp the fundamentals. We'll work through real-world engineering problems, making FEA not just a theoretical concept but a valuable tool.

💡 Why Choose Me?
Proven track record of student success
Patient, approachable, and friendly
Available for one-on-one or group sessions
Flexible scheduling
I'm dedicated to your learning journey

📈 Let's Transform Your FEA Skills:
Whether you're a mechanical engineering student aiming to ace your FEA courses or a professional seeking to enhance your simulation abilities, I'm here to help you succeed. Together, we'll navigate the intricacies of FEA and build a solid foundation for your engineering career.

Subjects

  • NASTRAN Expert

  • ANSYS Expert

  • HyperMesh Expert

  • Mechanics and Strength of Materials Beginner-Intermediate

  • FEA Analysis Expert

Experience

  • Technical Lead Engineer (Jul, 2021–Aug, 2023) at TATA CONSULTANCY SERVICES LTD
    Project 1 :- Cypress Japan 3x Nacelle composite and skeleton structures FEA validation
     Nacelle composite covers and steel structures are modelled in FEA by using Ansys and performed the Static Extreme
    wind loads, Snow loads, Live loads and fall arrest load cases.
     Based on wind class (I,II, III) pressure calculation of wind is calculated with reference to wind speed
     Wind Drag pressure coefficients for pressure side and suction is chosen based on IEC61400 & GL-2010 Guidelines
     3D model of composite cover is modelled as 2D Surface & Shell elements in FEA and Layer thickness is provided with
    respect to laminate specification to all layup covers
     All steel Components are modelled as both solid mesh and shell mesh based on geometric complexity
     Bolt and weld joints calculated based on euro code EN1993-1-8
     Composite laminate strain results are compared with limit strain of 0.61%
     Certification word documents is prepared and submitting to TUV for approval
    Software used: - Unigraphics, Space claim, Design modeller, Ansys Workbench & ANSYS APDL, ANSYS Composite
    prepost

    Project 2 :- Cost out project- Bedplate Weight Reduction using topology Optimization
     Objective of FEA task is to reduce the weight of cast iron bedplate material
     Necessary boundary constraints are provided with assembly study.
     Load details are taken from the FLEX load software
     3D TETRAHEDRAL Solid mesh is used for Analysis
     Design variable, objective, Response are provided in optimization panel as parameter settings
     Ossmooth option is used to export the optimised CAD detail as .step file for further refinement of 3CAD
    creation & Analysis validation
    Software used: - Unigraphics, Hypermesh, Optistruct

    Project 3 :- SAFER CASE- Rotor disc strength Evaluation for Live load

     The analysis background is to find the strength of composite rotor disc cover when person transit from Hub
    rescue hatch opening to Nacelle by stepping on to the rotor cover
     3D model is simplified as mid surface extraction and shell element is used and lamination layup is assigned.
     Composite laminate strain results are compared with limit strain of 0.61%
     Optimising the design and layup arrangement based on outcome of FEA
     Bolt contact interface validation is done and improvement of bolt grade or higher bolt recommendation is
    done to overcome the deflection and strain issue of composite covers
    Software used: - Unigraphics, Space claim, Design modeller, Ansys Workbench
  • Project Lead Engineer (Sep, 2017–Jul, 2021) at larsen and toubro technology services, chennai
    Project :- Enercon-67m Tower internal Platform and gallery verification
     To perform the static Simulation of 67m tower platform and to verify the strength of Platform which are intended
    for certification
     Mid surface extraction is done in design modeller/space claim
     EN 50308 & EN 14122-2 codes are used as a load definition.
     Weld verifications and bolt calculation is done.
     Based on outcome from FEA design optimization is recommended and implemented for the steel platform plates
    Software used: - CREO, Space claim, Design modeller & Ansys Workbench.

    Project :- Enercon-92m Modal analysis for complete tower
     To check the mode shape and frequency for the 92m full tower assembly and modal displacement extraction
     Mid surface extraction of tower steel plates from the 3D solid geometry
     Internals are considered as point mass as per the tower height wise top to bottom.
     Integrity of tower geometry is defined by contacts.
     Performed Elastic end restraints and stiff end restraints and matching the Eigen values with the test results
     Modal displacement extraction is performed for each height wise specific dimensions
     Ansys Customisation Automation tool in Ansys workbench is used to extract the modal displacement
    Software used: - CREO, Space claim, Design modeller, Ansys Workbench & ACT automation tool

    Project :- Tower internal -Static verification of 2MW Transformer Replacement Frame
     Frame is used in replacing the transformer inside the tower.
     The frame is subjected to the impact load of transformer.
     Linear analysis is performed and Bolt SRF calculation is done to verify the M20, M16.

     Neuber’s strain rule is implemented at the singularity stress region and when the strain limit exceeds 1%, Elasto-
    Plastic analysis is performed and checked for 5% according to EN standards.

    Software used: - Space claim, Design modeller & Ansys Workbench.
    Software used: - CREO, Space claim, Design modeller & Ansys Workbench.
  • Senior CAE engineer (Oct, 2011–Apr, 2017) at Valeo india Pvt Ltd
    Project :- Vibration analysis of Valeo E- 24V & 12V starter motor assembly
     To perform the Vibration analysis of power train components (starter motor) in FEA by using Ansys workbench
     Created the timeline schedule to complete the project in time.
     Distributed the work among the teams and following the daily task of the project.
     Modelled full assembly including brackets, yoke assembly, cover and engine mounting brackets.
     Performed Modal and harmonic analysis with 10g acceleration in all 3 axis and check the strength of the
    components
     Design suggestion for CAD team to improve the stiffness of the components to overcome the resonance frequency
    Project :- Valeo 24V I-STARS alternator bracket topology optimization
     To reduce the weight of alternator bracket without compromising the operational and strength of the assembly
     CATIA software is used for clean-up activities.
     Meshing is done in Hyper mesh
     Hyper works tool Optistruct – Topology technique is used for optimization of bracket.
     Weight reduction is achieved and improved the cooling effect of alternator.
     Published white paper in Altair conference on 2017.Chennai.
    Software used: - CATIA, Space claim, Design modeller & Ansys Workbench.

Education

  • Masters of Mechanical Engineering (Aug, 2023–now) from Linköping University, Sweden
  • Bachelors of Engineering (May, 2007–Jul, 2011) from Anna University of Technology, Trichy–scored 83

Fee details

    kr250–350/hour (US$27–37.80/hour)

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