Leutenegger Engineering & Consulting
Leutenegger Engineering & Consulting
im Weidli 6
CH-8405 Winterthur
phone +41 52 238 24 49
mobile +41 79 287 03 32
fax +41 52 238 24 50
simon.leutenegger@leconsult.ch
www.leconsult.ch
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Product Engineering
Projects
Railway Vehicles
Crashworthiness
Lightweight Design
Aircraft construction
Expertises
Vehicle construction
Steel construction
Background
Railway Vehicles
Metro de Medellìn, Colombia: Replacement of Bogie Bolsters
Scope of supply LEC
Repair concept with EAFIT
Coaching CAD design and FE calculation
Specification aluminium extrusions
Specification welded and machined bogie bolster
Monitoring and documentation of purchasing process
Monitoring of welding process of prototype assembly acc. to EN15085
Planning and coaching of fatigue test
Monitoring of on site running tests
Period
2013 - 2016
Customer
University EAFIT, Colombia
PowerHawl freight locomotive
Scope of supply LEC
Crashworthiness concept EN15227
Multi body simulations
Specification of all energy absorbing components
Specification and development buffer crush boxes
Detail design for fabrication optimisations, design to cost
Specification of buffer fatigue loads and coordination of fatigue analysis of buffer crush boxes
Coordination design - calculations and simulations - fabrication
Proof of collapse safety of steel carbody in differential construction method
Preparation 1:1 scale crash tests
Elaboration of certification documents regarding crashworthiness
Period
2008 - 2014
Customer
Molinari Rail / GET
Metro Mockup
Scope of supply LEC
Carbody concept
Application of existing structural components in aluminium and GRP
Hand calculations of most important strength load cases
Coordination FEA - design - fabrication
System integration doors, interiors, etc.
Manufacturing concept
Period
2011
Customer
Molinari Rail / Scomi
EMU GRCI
Scope of supply LEC
Concept carbody in aluminium integral construction method
Manufacturing concept and manufacturing process visualisations
Detail design carbody
Crashworthiness concept according to EN15227
Multi body simulations
Specifications of energy absorbing components
Coordination design - calculations and simulations
Period
2009 - 2010
Customer
Molinari Rail / CSR Puzhen
Freight locomotive
Scope of supply LEC
Crashworthiness concept EN15227
Multi body simulations
Specification of all energy absorbing components
Specification and development an energy absorbing buffer draw hook unit
Detail design for fabrication optimisations, design to cost
Specification of buffer fatigue loads and coordination of fatigue analysis of the buffer draw hook unit
Coordination design - calculations and simulations - fabrication
Proof of collapse safety of steel carbody in differential construction method
Preparation 1:1 scale crash tests
Elaboration of certification documents regarding crashworthiness
Period
2007 - 2010
Customer
Molinari Rail / GET
Metro de Medellin, Columbia
Scope of supply LEC
Damage analysis regarding cracked body bolster
Repair proposals based on specified fatigue loads by the operator
Repair concept implementation in operators workshop
Coordination of fatigue proof calculations
Investigations regarding stress-corrosion cracking
Period
2008 - 2009
Customer
PROSE AG / Metro de Medellin
Tramway
Scope of supply LEC
Consultancy and support for carbody refurbishment
Period
2006
Customer
vertraulich
Highspeed Train KTX-2
Scope of supply LEC
Design reviews carbody structure
Re-design for series production
General consultancy regarding design and manufacturing of aluminium car body shells in integral construction method
CAD models of optimised carbody structure alternatives
FEA of modified car body structure
Period
2006
Customer
ROTEM, Südkorea
Regional train "Integral"
Scope of supply LEC
Refurbishment of roof: bonded sandwich panels
Re-design carbody structure
Period
2001 - 2008
Customer
Connex / BOB
Panoramic coach for RhB and MGB
Scope of supply LEC
Consultancy carbody: from concept to realisation
Period
2003 - 2004
Customer
StadlerRail AG
FLIRT: regional train carbody
Scope of supply LEC
Crashworthiness according to operator spec
Carbody concept and design to cost
Technical coordination design - calculation - fabrication - certification
Proof of crashworthiness
Vehicle acoustics
Fire protection concept
Period
2002 - 2004
Customer
StadlerRail AG
Repair BTI vehicle after collision with tractor
Scope of supply LEC
Repair concept for aluminium front
Repair design details and support of repair works
Documentation of all repair fabrication steps
Period
2002
Customer
StadlerRail AG / BTI
TLRV Taiwan: Tram Taipei
Scope of supply LEC
Consultancy carbody in steel
Period
2001 - 2002
Customer
PROSE AG / Elektrowatt
GTW-2 LRV
Scope of supply LEC
Design of improved carbody
Fabrication cost reduction, particularly in front section
Optimisation of fabrication processes reliability
Optimisations and specification of energy absorbing components
Proof of crashworthiness
Period
2001 - 2003
Customer
StadlerRail AG
Venturio high speed train: crashworthiness concept
Scope of supply LEC
Consultancy crash concept and front structure
Period
2001
Customer
Siemens
High Speed Train, Korea
Scope of supply LEC
Consultancy carbody design in aluminium
Febrication consultancy and support
Period
2001
Customer
ROTEM / Alcan MTS