Vankamamidi Venkata Sudharshan, M.Eng.

HeesKoppel-5

***** *******

Tel: +49-176********

email:- acvuuz@r.postjobfree.com

Curriculum Vitae

Personal Details

Date of birth: 07. November 1981

Visa Status: Permanent Resident of Germany currently working in Hamburg

Professional Experience

12.2015- Till date Altran Gmbh, Hamburg, Germany, Consultant

Major Repair of Vertical tail strike on Section16-18 a350-900. DFEM check and validation, Plain Strength Check, Damage Tolerance, Fasteners bearing check, buckling analysis and preparing Stress dossier as per FAR-JAR and EASA standards.

Hinge fitting bulk cargo door surround a350-1000. DFEM Static and Fatigue calculations and preparing Stress dossier as per FAR-JAR and EASA standards for First Flight Clearance and for Type certification.

Type A- loaded brackets far filed Section 16-18/ 13-14 and Cargo door/ Passenger door surround stress justification for First Flight Clearance a350-1000.

Software: ISAMI, Nastran, Patran, Hyper Mesh and Catia-V5, Trend, PDM Link.

10.2015 – 11.2015 Hinduja Tech Gmbh, Hamburg, Germany, Senior Engineer

Stress justification for Cargo Door surround shear plates Section16-18 a350-1000. DFEM check and validation, Transverse Damage Tolerance, Edge Damage Tolerance, Corin Analysis, Filled Hole Analysis Composite / Metallic, Inter Rivet buckling, Strength check, Free Flange Damage Tolerance and Buckling Analysis and preparing the RF summary

Software: ISAMI, Nastran, Patran and Catia-V5,

01.2015 – 09.2015 Vernalis Engineering, Chennai, India, Consultant CAE Engineer

Strength, Durability, Vibration and Frequency Response analysis of steering knuckle, Ignition switch of bike. Pretension, Nonlinear Contacts using Abaqus and Hyper mesh.

Meshing and deck setup for Crash analysis using Ansa, Hypermesh and LSDYNA (sheet metal and plastic parts).

Creating and optimizing existing Database of Vernalis Engineering for new business opportunities in European market.

Software: Abaqus, LS-DYNA, OPTISTRUT, Hyper Mesh, Hyperview, ANSA

02.2011 – 30.11.2014 3D Contech Gmbh, Augsburg & Hamburg Stress Engineer

Expertise in Concessions (Repairs and Solutions) for section 16-18 and 13- 14 primary structures. Preparing Stress and Fatigue justification in accordance to A350-XWB requirements.

Expertise in modeling and validate DFEM (Detailed Finite Element Model) as per Airbus and PAG standards. Modifying DFEM as per new repair proposals, validating DFEM with GFEM and creating a new justification report for proposed repair solutions. Below are few repairs performed on A350-XWB:

1)Shear web sizing (Titanium instead of CFRP) at lower shell water tank cradle connection section 16-18, Static and Fatigue justification

2)Static justification of delamination of skin (Far field and Door surround), Stringer damages.

3)Thickness deviation, damagame tolerance analyis and fasteners justification of L-chord, Y-chord and Shearweb of rear pressure bulkhead.

4)Stringer cut justification section 13-14 and 16-18 for Impact damages. Static and Fatigue justification of titanium doubler with fasteners, stability check for stringer doubler repair.

5)Responsible for Section Integration section 13-14 Primary structure concessions (Frames, Lap joints, Frame Couplings, X-Paddles, Z-Struts, C-Struts, Corner fittings Frame to cargo floor connections, Frame to Cross beam connections)

6)Performed calculations & report update for SRM a350-900 fuselage.

7)Sizing of Sewing Angle(Connecting Belly fairing to Lower fuselage MSN 1-4 ) Joint strength analysis, Unfolding analysis of L-Clip, Damage tolerance for low impacts, Inter rivet buckling, Filled hole analysis for net section and bypass loads (06.2011-02.2012).

8)Stress Focal Point for section assembly concessions on primary structures Section 13-14 and 16-18 behalf of 3D-Contech at Toulouse Final Assembly Line (FAL) for A380 MAP team. Major repairs performed during this tenure are Stringer coupling, Frame/Stringer and Skin Panel assembly tolerance deviations.

Software: ISSY, ISAMI, Catia-V5, Patran, Nastran, Hyper Mesh, Optistrut.

07.2010 – 01.2011 VESTAS TECHNOLOGY R&D, Denmark, Material Engineer

Worked on technology road map project to ascertain a highly automated precise process to replace existing production expertise (VARTM) for the manufacturing of wind turbines nacelle covers.

In the preliminary design phase minimum thickness of the skin GFRP, layer orientations are calculated and bench marked for the critical load cases.

Communicating and opting for the zenith suppliers who can achieve high quality standards. Reviewing and checking supplier calculations and performing internal FEA calculations

Software: ANSYS12.1, Pro-E

08.2009 – 06.2010 3D Contech Gmbh, Hamburg, Stress Engineer

A380 primary and secondary structures concession – Studying

and justifying the non-conformities of A380 primary structures which include aluminum and GLARE structures.

Technical, in-service and airworthiness assessment of the received concession in accordance with A380 SRM and HSB methods used for static and fatigue strength

Software: ISSY, Patran, Nastran, Zamiz and Hand calculations

05.2008 – 05.2009 RLE INTERNATIONAL, Köln, CAE Analyst

Creating a material database for composites materials (using LS-DYNA 971). Documented the best practices to be followed in selection of appropriate material cards, failure criteria’s, contacts and control cards to be used for Laminates and cores.

Performed static and dynamic analysis on various automobile components.

Software: Hyper Mesh, ANSYS11.0, LSDYNA971, LSPREPOST, 3DCS, CATIAV5

02.2007 – 02.2008 Faser Institut Bremen e.V. Bremen, (Internship/Master Thesis)

Master thesis project title “Compression after impact on Composite/ Sandwich panels for Next Generation Composite Vertical Tail Plane”

Analytically determined residual strength in the composite/ sandwich panel after impact. Investigating the failure propagations for various low impact velocities (15J to 38J).Using contact algorithms to determine delamination failure between the lay-ups.

Performed Software validation by comparing experimental and simulation results (Source: Airbus A380) (06.2007- 02.2008)

Internship project title “Inclined Impact on Composite/sandwich panels for Next Generation Composite Vertical Tail Plane” (A380)

Investigating the failure propagations for varying impact angles from 10 to 175 for low velocities (10J to38J) Using contact algorithms to determine delamination failure between the lay-ups and validated FEA results with DCB test results. (Airbus A380) (02.2007- 05.2007)

Software: LSDYNA971, LSPREPOST, Matlab

Education:

2005-2008 HOCHSCHULE FÜR ANGEWANDTE WISSENSCHAFTEN HAMBURG Master of Engineering in Lightweight Aeronautical & Vehicle Structures

2000-2004 UNIVERSITY OF MADRAS, Chennai, India

Bachelor of Mechanical Engineering (B.Eng)

Trainings:

2010-2011 ISAMI Training, SAP Training for Concessions, ANSYS Work bench

2013-2014 Altair Hyper Crash, FMEA (Basic and Moderator)

2015-2016 ANSA, HYPERMESH for Crash analysis, LSDYNA for impact and crash

Skill Set:

FEM Static: Nastran/Patran, HYPERMESH/HYPERVIEW, ANSYS/Workbench

FEM Dynamic: LSDYNA 971/ LSPREPOST, HYPERCRASH, ANSA, ABAQUS

CAD/ GD&T: CATIAV5, PRO-E, 3DCS

Airbus Tools: ISAMI, ISSY, PDM Link, ZAMIZ and SAP (Concession)

Optimization: OPTISTRUCT

Languages:

English Fluent

German Basic

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