Engineer Stress

Constantin Dumitru

Stress Engineer

Summary

Employment Type: Permanent

Notice Period: 6 weeks

Preferred Role: stress, FEA

Current Skill software: MSC Nastran, Patran, Ansys, Catia, Solidworks

Position Sought: Aero Stress hand calc, Excel, MathCAD, VB

FEA: Nastran/Patran, Ansys

composite and metallic frames; metallic skin panels

Preferred Location(s):

Tel. (Mobile): +40-72-000-**-**

Email Address: ******@*****.***

Date of Birth: 16/11/1974

Address: Street: Calea Giulesti, nr. 24

City: Bucharest, Postcode:060276

Education1: MSc Mechanical - Politehnica University of Bucharest

Graduation Year: 2004

Product Structure Integrity; 1 year (Strength of materials, F&DT, Composite and FEA courses)

Education2: Dipl. Engineer; 5 years

Graduation Year: 1998

Production Systems Management faculty of Machine Building Technology at Politehnica Bucharest

Driving Licence: Yes, B, A

Experience:

April 2008 - current

FOKKER Engineering Romania / GKN - Fokker Aerostructures

Stress engineer with check rights on metallic structures

Main projects:

1.Gulfstream G650 Business Jet Vertical Tail and Horizontal Center Box;

-weight saving and certification; Vertical Tail box, Skins, Hinges

2.Dassault Falcon F5X Vertical Tail – all parts and Horizontal Center Box;

-concept and FSD (Skins, VT Box, Interfaces, FEM work)

3.Dassault Falcon F8X Flaps;

-certification of F&DT metallic parts

4.Airbus A350-1000, -900; Outboard Flap;

-certification of CFRP & metallic parts by ISAMI FE and hand calc.

5.NH90 Tail parts;

-modifications of metal and CFRP parts; stress analyses based on hand calculation (Excel, MathCAD) and FEA, linear and non linear

June 2005 - April 2008

ICARO - International Co. for Aerospace, office of Aurora Eng. Italy

Stress Engineer

November 2007 to April 2008

1.Aermacchi M311 fighter trainer; Nose optimization;

-Metallic frames, interfaces and CFRP parts: doors, floors (solid laminate and sandwich core analyses)

June 2007 to November 2007

2.Alenia-Aermacchi SAM146 Super-Jet; Nacelle Inlet;

-Bulkhead panels and brackets, static and fatigue analyses

August 2005 to June 2007

3.Aermacchi M346 fighter trainer,3rd prot.; Forward and Central Fuselage parts;

-Metallic frames, panels and CFRP parts (doors, skins), joints and equipment structure stiffness by means of hand calculation (Excel, MathCAD) and FEM, linear and non linear; FEM creation and analysis by Nastran static and buckling solver

Sept 2001 - June 2005

3D Rom Design Ltd. (3dromdesign.com)

Bucharest office of Compagnie des Chemins de Fer Departamentaux, France (cfd.fr)

Stress and Design Engineer (FEA by ANSYS)

Stress analysis main projects / activities:

1.Autorails (Blanc Argent, AMG-Corse); manoeuvre and maintenance locomotive, liner, tractor (Bison, Scheuchzer Wagon-pilote);

-Chassis Frames, Fuel Pressurized Tanks;

-simulation by FEM static analyses (Ansys Classic vs 5.6 – 7.0) acc. to EN railway rules;

-contact analysis (by gap element);

-structure & material design and optimization, submodelling;

-fatigue (Haigh diagram for steels)

-thermal due to friction brake

CAD activity:

2.3D CATIA V5 Surface Design, conversion of the F410 Cessna aircraft, based on old PDF drawings / REIMS Av. France (Inner Skin, Ailerons, Rudder, Fuselage & Tail Cone)

3.Various CAD in SolidWorks and CATIA V4 and V5 for rolling stock industry (fuel tanks, engine brackets and supports etc)

4.CAD for FEA (CATIA v5 and SolidWorks)

5.Sheet-metal design

6.2D drafting of weld metal frame structures for rolling stock

7.CATIA V5 presentations for above mentioned projects

Dec 2000 to Sept 2001

Research Institute for Mechanical Engineering Bucharest (ictcm.ro)

CAD/CAE Engineer

Main projects / activities:

1.3D modeling in CATIA V4 for various research projects

2.New equipment design (concept and simulation), rotary table for door closer actuator assembly

3.CATIA V4 kinematics simulations

4.Stand design and manufacture for an auto rim (Renault-Dacia) fatigue study

5.CAD for FEA

Finite Element Analysis (by Ansys)

6.Static structure analysis (locomotive tampon frame, axle opt.)

7.Fatigue study for auto janta / rim design, test and simulation by CATIAv4 / ELFINI and ANSYS; experimental data analysis

Education:

Oct 2003 - July 2004

MSc Degree in Metallic Structure Integrity by Politehnica University of Bucharest

(Including courses of Composite Design and FEA by Ansys & Cosmos)

Subjects:

Design optimization,

Fatigue analysis,

Dynamics of Machinery

Experimental stress analysis,

Fracture mechanics methods,

Composite design

Oct 1998 - July 1999

MSc course of Engineering Product Design an experimental program by Politehnica University of Bucharest;

Scholarship at South Bank University London (Feb -July 1999) as MSc EPD student

Subjects:

New Product Design from concept to development:

Proof of product opportunity and marketing

Choice of materials for design,

Project management,

CAD and prototyping

Oct 1993 - July 1998

Diplomat Engineering Degree by Politehnica University of Bucharest - Faculty of Engineering Production & Systems Management

Other courses and interests:

Fatigue and DT (FER and A350 Stress Fatigue & Damage Tolerance)

Composite (FER Composite for NH90, A350 Composite Boxes Stress);

Nastran (FER, NAFEMS advanced non linear); Patran (Magic System Ro);

ANSYS (INAS Ro);

CATIAV4 / V5; UNIX-AIX v4.2 installation and support - self study

MathCAD 14, Matlab applications; Solid Works, AutoCAD

Programming basics:

Certificate in Computer Science from The American University in London;

VB basics, Databases (MS Access)

Simulation and process modeling by SIMNET, WITNESS and PETRI nets); MsProject and project management courses

Data acquisition and processing for instrumentation by LabVIEW 5.1;

MsOffice Applications (Excel tools development, VB macros)

Languages:

English: fluent written and spoken (IELTS and TOEFL)

French: basic written and spoken;

Italian: basic spoken

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