HPC for automotive industryRenault Nissan

Renault Nissan Confidential C

CHPC User forumEric Landel 12 October 15 2

A FRENCH GROUP TO SERVE A STRONG INTERNATIONAL STRATEGY

AN AUDACIOUS AND PASSIONATE COMPANY

RENAULT, A BRAND SOLD IN 125 COUNTRIES

2 118 844 VEHICLESSOLD IN 2014

Renault Nissan Confidential C

CHPC User forumEric Landel 12 October 15 3

RENAULT : A VIBRANT, CONNECTED TO PEOPLE AND FORWARD LOOKING BRAND

CARS FOR LIVING LIFE TO THE FULL

Renault Nissan Confidential C

CHPC User forumEric Landel 12 October 15 4

5 CHALLENGES for Renault

TargetEnergy

EfficiencyConnected

CarAutonomous

driving

Safety0

injuries+ ++

Environnement0

impact++ + +

Driving PleasureLife on Board

0stress

+ ++ ++

Affordability0

Left out= = =

Mobility system0

flaw+ ++ ++

CUSTOMER

TECHNOLOGY

Numerical simulation is very helpful for developing and introducing new technologies

Renault Nissan Confidential C

CHPC User forumEric Landel 12 October 15 5

16 17.029.0

49.071.0

3251.0

71.0

109.0

169.0

22

32.0

56.6

128.1

240.0

0

100

200

300

400

500

600

2013 2014 2015 2016 2017

CRASH

CFD veh

CFD pwt

NVH & DURA

EMAG

MISC

.3 main domains for HPC :1. Crash (passive safety)2. Aerodynamic (environment)3. Combustion (environment)

Renault Nissan Confidential C

CHPC User forumEric Landel 12 October 15 6

Compute Power vs. Number of Years

103

104

105

106

107

108

109

1010

1011

1012

1986 1996 2006 2016 2026 2036

Q(y) = Q0 2(y/Y) 2004 NEON-04 9M

& 2006 Toyota 11M

Optimistic Moore: Y = 1.5 Years

Pessimistic Moore: Y = 2.0 Years

y0 10 20 30 40 50

Com

pute

Pow

er

Q(y

)

Time (years)

Calender year

5555

485 000

1013

1014

1015

9 to 11 000 000

Renault Nissan Confidential C

CHPC User forumEric Landel 12 October 15 7

Moore’s Law 2013: DACIA Lodgy

5 555 shells

20 000 0003 600 Polos

42 TGVs

Polo 5 555

Renault Nissan Confidential C

CHPC User forumEric Landel 12 October 15 8

Renault Nissan Confidential C

CHPC User forumEric Landel 12 October 15 9

External aerodynamic :

Accurate prediction of Drag coeficient

Analysis of wake

SCx Ecart

Expérimental 1.016

LaBS 1.010 -1%

Renault Nissan Confidential C

CHPC User forumEric Landel 12 October 15 10

•Transient case: detecting constraining regions during transient case (natural convection) and quantifying the increasing of temperature

Velocity=0 FAN OFF

Aero thermal behavior in the engine compartment

Renault Nissan Confidential C

CHPC User forumEric Landel 12 October 15 11

Powertrain description : Fluid dynamic for powertrain designing

Combustion chamber designing :Internal aerodynamic, Injection

Combustion, Pollutants emissions Implementation of aftertreatmentsystems :

Designing of the diffusorImplementation of urea injection

Thermal behavior :Cooling effiicency in water jacket

Impingement efficiency on power unit

Gear box lubrication :Designing of the collector

Efficiency of the lubricationBase engine lubrication :

Aeration

Renault Nissan Confidential C

CHPC User forumEric Landel 12 October 15 12

Powertrain Continuum mechanics description : Close future

Development of the gear box lubrication Cylinder cycle to cycle calculations

Renault Nissan Confidential C

CHPC User forumEric Landel 12 October 15 13

16 17.029.0

49.071.0

3251.0

71.0

109.0

169.0

22

32.0

56.6

128.1

240.0

0

100

200

300

400

500

600

2013 2014 2015 2016 2017

Evaluation

.Investment : PRACE is a very helpful support for right investment

Adaptation

2 times

in 2014

2 times total HPC resources

in 2014

For evaluation, development and implementation of new methods, large resources are needed

ROI ?

Renault Nissan Confidential C

CHPC User forumEric Landel 12 October 15 14

Thank you for your attention