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Business Challenge

High input costs

Self-built HPC resource pools exhaust large investments and inputs. eSurfing Cloud can release automakers and support as-per-use subscription that enables to scale resources elastically as per workloads.

High speed of demand growth and technical iteration

Due to growing investments in CAE simulation design, automakers must replace their obsolete hardware with the latest HPC for computation. eSurfing Cloud can help them with secure and stable cloud service.

Long construction period

The time-consuming system installation and deployment can’t meet business requirements. eSurfing Cloud provides rapid delivery based on its abundant, readily prepared and as-per-use computing resources.

Lack of flexibility in local resources

Automakers are facing the increasing demand of computation capacity due to the development of simulation. eSurfing Cloud can provide elastic resources and relevant tools to save building and O&M costs.

Application Scenario
Fluid Simulation

Automobile fluid simulation is to solve the problems of lift force, resistance and turbulence in high-speed driving by means of computational fluid analysis and simulation, for the purpose of the automotive performance and appearance design. Fluid simulation involves large computing load per job, and tremendous computing force in the analysis process. In addition, the massive result data requests extremely high storage capacity.

Crash Simulation

Crash simulation mainly simulates and verifies the structural strength of the vehicle. Following the simulation of crashes at the front and sides of the vehicle, the design rationality of the anti-crash cushioning part of the vehicle can be analyzed, so as to lift the ability of crash safety protection and safeguard the safety of occupants. The vehicle crash simulation involves large computing load, intensive calculation and large computing load per job. It requires extremely high network communication capability. The low-latency calculation simulation can help to quickly get the crash results and analysis data.

NVH Simulation

NVH refers to noise, vibration and harshness. According to the statistics, about a third of the vehicle's malfunctions are related to NVH problems and nearly 20% of R&D expenses of companies are spent on solving NVH problems. Based on NVH simulation, the design can be improved to enhance the quietness and driving comfort of the vehicle. NVH simulation involves large computing load, and demanding requirements for ultra-high storage IOPS.

Structural Simulation

The CAE-based structure simulation is used to analyze the important area structure, body mode and stiffness performance of the vehicle, which can greatly improve the fatigue life and dynamics. The structure simulation involves large computing load, and thus requires large memory, multi-core high-frequency CPU and ultra-high storage IOPS.

Overall Structure
Introduction
eSurfing Cloud's overall solution uses ECS and HP physical clusters to form HPC clusters, which can enable superior computation for simulations and NVH, thus reducing costs and launch time.
Architecture Characteristics

On-demand lease of resources eSurfing Cloud supports real-time application and release of resources as per use, eliminating the painful forecast of resource quota and accelerating R&D process. Dynamic resource scheduling Apply HPC architecture of automakers’ existing computing resource pools and eSurfing Cloud’s resource pools to calculate elastic scaling and adjust the input proportion of local and public clouds. Quality computing experience It can provides HP ECS and nodes of PM and cross-node network with 100G IB and 2us latency. Local IDC and eSurfing Cloud are connected via CDA to support multiple uploads and downloads. End-to-end security eSurfing Cloud’s end-to-end security protection ensures safe and stable operation. Firewall, data encryption and backup, log audit, monitor and login alarm are applied to improve data security.

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