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DISCOGRID

Kick-off meeting13-14 mars 2006

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BACKGROUND

Used by several EADS business unitsUsed by several EADS business unitsRun mainly on cluster type resourcesRun mainly on cluster type resourcesFollow an SPMD programming modelFollow an SPMD programming modelUse MPI Use MPI Use intensively the disks for computingUse intensively the disks for computing

Software for Acoustics & Electromagnetism

Single

components

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BACKGROUND

Grid is used mainly for:Grid is used mainly for:• Distributing multiple tasks (master/slave model)Distributing multiple tasks (master/slave model)• Enabling multi-physic simulationsEnabling multi-physic simulations

Experience gained in:Experience gained in:• DAMIEN (EC)DAMIEN (EC)• CASPER (RNTL)CASPER (RNTL)• SIMDAT (EC)SIMDAT (EC)

Try to rely on standards as much as possible due to industrialization Try to rely on standards as much as possible due to industrialization (integration).(integration).

What about GRID computing

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SIMDAT: Overview of Aerospace Scenario

1. A Design Service to generate the DoE

2. A Geometry Service to produce instances of the wing’s geometry

3. An Aerodynamics service in order to compute the air flow over the geometry under consideration and output noise sources as well as forces of interest (e.g. lift, drag)

4. An Acoustics Service that takes the noise sources produces from the aerodynamics service and propagates the noise

Optimise the positioning of wing’s high lift device. The current work has focused on running a candidate set of designs from a Design of Experiments (DoE). The scenario involves:

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Overview of Aerospace Scenario (cont.)

Consider design of high lift systemfor the clean wing

Analyse aero performanceAnalyse acoustic performance

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Overview of Aerospace Scenario (cont.)

Based on Web Services and GRIA frameworkBased on Web Services and GRIA framework

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Older experiences include:Older experiences include:

• Work on distribution with CORBA (PARIS project)Work on distribution with CORBA (PARIS project)

• Tests with ProActive (OASIS team)Tests with ProActive (OASIS team)

Main work dealt with the encapsulation of parallel softwareMain work dealt with the encapsulation of parallel software

Other GRID experiences

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Main problems deal:Main problems deal:

• With data distribution & data managementWith data distribution & data management

• Brokering of resources (i.e. workflows)Brokering of resources (i.e. workflows)

• SecuritySecurity

Lesson learnt

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6 mm per year (over 3 years)6 mm per year (over 3 years)

Probably more suitable for a trainee + engineers time each yearProbably more suitable for a trainee + engineers time each year

1- Will first study the different technologies available today1- Will first study the different technologies available today

2- Will perform a gap analysis compared as a target for some application (to be defined)2- Will perform a gap analysis compared as a target for some application (to be defined)

3- Will provide inputs/requirements3- Will provide inputs/requirements

4- Will evaluate one (several ?) technologies4- Will evaluate one (several ?) technologies

Participation in the project

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Questions ?