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Automotive CAE Cluster Migration and Modernization

30 Chapters
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01
Automotive CAE workload landscape
crash, NVH, CFD, thermal, and durability simulation profiles, solver mix, and cluster demand patterns.
AutomotiveCAE
02
Legacy HPC cluster architecture in automotive CAE
compute nodes, interconnect, storage tiers, schedulers, and job submission workflows.
HPCarchitecture
03
Migration drivers and constraints
end-of-life hardware, software licensing, data gravity, validation requirements, and production deadlines.
Migrationconstraints
04
CAE application inventory and dependency mapping
solver versions, MPI libraries, compilers, license servers, and pre/post-processing tools.
CAEapplication
05
Baseline performance and capacity assessment
benchmarking crash and CFD jobs, queue wait times, and utilization metrics on the legacy cluster.
Baselineperformance
06
Target cluster design for CAE
CPU vs. GPU nodes, memory bandwidth, local NVMe scratch, and interconnect selection for MPI-heavy solvers.
CAECPU
07
Storage architecture migration
parallel file systems, tiering, caching, and data movement for large CAE result sets and restart files.
architecturemigration
08
Scheduler and workload manager migration
porting PBS/Slurm/LSF policies, queues, accounts, and fair-share configurations.
Schedulerworkload
09
Job script and submission wrapper modernization
translating legacy scripts, environment modules, and dependency handling.
submissionmodernization
10
MPI, compiler, and math library migration
rebuilding or repackaging CAE solvers for the new stack and validating numerical consistency.
MPIcompiler
11
License server and entitlement migration
FlexLM and other license managers, high availability, and firewall considerations.
entitlementmigration
12
Data migration strategy for CAE
bulk transfer, incremental sync, archival tiering, and verification of result integrity.
migrationstrategy
13
User environment and workflow continuity
home directories, application launchers, job monitoring, and remote visualization.
environmentworkflow
14
Pilot migration and parallel run
selecting representative CAE jobs, running side-by-side, and comparing performance and results.
migrationparallel
15
Performance tuning after migration
MPI rank placement, thread affinity, I/O tuning, and solver-specific parameters.
Performancemigration
16
Validation and acceptance testing
regression suites, correlation with physical tests, and sign-off criteria for production CAE.
Validationacceptance
17
Cutover planning and rollback
scheduling downtime, communicating with CAE teams, and contingency procedures.
planningrollback
18
Post-migration operations
monitoring, capacity planning, chargeback, and user support for CAE workloads.
Post-migrationoperations
19
Cloud bursting and hybrid CAE clusters
extending on-premises capacity, data staging, and cost governance.
burstingCAE
20
Containerization and CAE application packaging
Singularity/Apptainer, Docker, and reproducibility across cluster generations.
ContainerizationCAE
21
GPU acceleration for CAE
explicit solvers, CFD, and AI-augmented simulation, and integration into the migrated cluster.
GPUacceleration
22
Workflow orchestration and automation
job dependencies, parametric sweeps, and integration with PLM and simulation data management.
Workfloworchestration
23
Security and compliance in CAE cluster migration
data protection, export control, and audit trails for automotive IP.
Securitycompliance
24
Energy efficiency and sustainability
power management, cooling, and carbon-aware scheduling for CAE clusters.
efficiencysustainability
25
Modernization of CAE data analytics
post-processing at scale, in-situ visualization, and result mining on the new cluster.
ModernizationCAE
26
Interconnect and network modernization
InfiniBand vs. Ethernet, RDMA, and topology-aware job placement for CAE.
Interconnectmodernization
27
Cluster management and provisioning
xCAT, Warewulf, Ansible, and image-based deployment for CAE nodes.
managementprovisioning
28
Disaster recovery and business continuity for CAE clusters
backup, replication, and failover strategies.
Disasterrecovery
29
Case study
full migration of an automotive crash simulation cluster from legacy InfiniBand to HDR and Slurm.
migrationautomotive
30
Future-proofing CAE clusters
modular design, composable infrastructure, and adoption of emerging HPC technologies.
Future-proofingCAE