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基于高性能计算的计算流体动力学

计算流体动力学 (CFD) 是一种计算机辅助工程 (CAE) 工具,适用于结合各种工程模型模拟流体流动情况。CFD 应用只有在结合了高吞吐量本地存储、低延迟网络和优化的 CPU 的计算系统上才能充分发挥其能力。

CFD-ready marketplace stack

Oracle Cloud Infrastructure now offers HPC clusters with CFD software that can easily be deployed through Oracle Cloud Marketplace. The compute cluster is provisioned with the following:

Open source CFD

OpenFOAM is installed with scripts to execute tutorials simulations.

Prerequisite libraries

Libraries required for some of the most commonly used commercial CFD applications, including Converge, StarCCM+ and Ansys Fluent, are installed. Just bring your own license to get your simulations up and running.

File servers

High throughput NFS and GlusterFS file servers are installed on NVMe SSD local storage to share data across the compute cluster and maximize data throughput.

CFD technical reports

Ansys Fluent Runbook

Oracle and Intel partnered with performance solutions company MV Concept to optimize Ansys Fluent on Oracle Cloud Infrastructure. By using Intel mpi’s and libraries, you can further maximize your performance with the BM.HPC2.36 Intel Skylake 6154 processor. Learn more about the recommended tips and tricks using Intel technology.

CFD Runbook

Learn how to launch a CFD-ready cluster and run some of the most common CFD applications on Oracle Cloud Infrastructure.

CFD Instances

As CFD continues to grow in popularity, so does the need to run on robust and performant infrastructure. By moving or supplementing with Oracle Cloud Infrastructure, users have a variety of instances to choose from for their HPC workloads. These instances are some of the most high-performing in the cloud, and are supported in multiple regions across the globe at consistent pricing. Although any compute instance may be used for HPC purposes, below are some of the most popular and recommended for CFD.

Instance*
Specifications
Application
Billing
Technical
BM.HPC2.36 Intel Skylake Processors
6.4 TB NVMe SSD storage
100 Gbps RDMA networking
Geared towards applications that are optimized for CPUs only and can be run in parallel across a large number of cores. Per second billing with a 1 hour minimum. No charge for RDMA or NVMe SSD local storage. Optimize your HPC with Oracle Cloud on Intel
BM.GPU4.8 AMD Processors
8 x 200 Gbps RDMA
2048 GB memory
27.2 TB NVMe SSD storage
Geared towards applications that are designed to run on GPUs. RDMA cluster networking is an added bonus for applications that can run in parallel. Per second billing with a 1 hour minimum. No charge for RDMA or NVMe SSD local storage. NVIDIA A100 on Oracle Cloud Infrastructure
BM.GPU3.8 8 NVIDIA V100 GPU’s
Intel Processors
Block storage only
2 x 25 Gbps networking
Geared towards applications that are designed to run on GPUs. Per second billing with a 1 hour minimum. Block storage attachment is defined by the user and billed separately. Rocky on Oracle Cloud
BM.Standard.E3.128 AMD Processors
2048 GB memory
Block storage only
2 x 50 Gbps networking
Geared towards high-memory workloads that do not need to scale past a couple of instances. Per second billing with a 1 hour minimum. Block storage attachment is defined by the user and billed separately. Oracle Cloud Infrastructure Compute E3 Platform on 2nd Gen AMD EPYC Processors
VM.Standard.E3.Flex AMD Processors
Flexible memory and CPUs
Block storage only
Max 40 Gbps networking
Geared towards workloads that are cost-sensitive but not performance-sensitive. Per second billing with no minimum. Block storage attachment is defined by the user and billed separately. HPC on VM.Flex

*Additional instances suited for CFD are planned for release in 2021:

  1. Bare Metal X9 compute optimized instances with Intel Ice Lake processors and 100G RDMA networking.
  2. Bare Metal E4 instances with AMD Milan technology.

CFD demos and workload examples

Cluster networking

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Optimize Your High-Performance Computing with Oracle Cloud on Intel

Kristen Yang, Senior Technical Program Manager, Oracle

Oracle continues to push the limits in the cloud on both performance and cost. By running high-performance computing (HPC) on Oracle Cloud Infrastructure, you can get the same performance as on-premises, with the added benefits of being able to deploy instantly and eliminating hardware acquisition and maintenance costs. This opportunity has influenced many enterprise customers to move their HPC workloads to Oracle Cloud. For examples, see Nissan Moves to Oracle Cloud and Oracle Cloud Infrastructure Behind World’s Fastest Supercomputer. The types of workloads running on Oracle Cloud extend into every industry, with some of the most common ones being computational fluid dynamics (CFD) and crash simulation applications.

Read the complete post

Computational fluid dynamics resources

Documentation

Explore our compute product offerings further:

Documentation

Accelerate the launch of your HPC instances on OCI by using our Marketplace and opensource Terraform solutions:

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