External Flow Over a LeMans Car

External flow over a LeMans car. The case has approximately 1.8 million nodes (10 million elements, all tetrahedral), and solves compressible fluid flow with heat transfer using the k-epsilon turbulence model.

Number of nodes 1,864,025
Element type Tetrahedral
Models k-epsilon Turbulence, Heat Transfer
Solver Coupled Implicit

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Results

Results are listed alphabetically by platform. Download

Last updated: 2013-08-01

 

Platform Cores Machines Core Solver
Rating		 Core Solver
Speedup		 Core Solver
Efficiency
Intel E5 2670 Processor, 2.60 GHz, RHEL 6.2 using FDR Infiniband without Turbo mode

Intel "Sandy Bridge" (16 core dual CPU) with 64 GB RAM

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1
1
53.0
0.28
28%
2
1
111.0
0.59
30%
4
1
211.0
1.13
28%
6
1
294.0
1.57
26%
8
1
374.0
2.00
25%
10
1
441.0
2.36
24%
12
1
514.0
2.75
23%
14
1
580.0
3.10
22%
16
1
617.0
3.30
21%
32
2
1168.0
6.25
20%
64
4
1920.0
10.27
16%
Intel E5 2680 Processor, 2.70 GHz, CentOS 5.6

Intel "Sandy Bridge" (16 core dual CPU) with 28 GB RAM

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1
1
57.9
1.00
100%
2
1
120.8
2.09
104%
3
1
169.7
2.93
98%
4
1
230.4
3.98
100%
6
1
322.4
5.57
93%
8
1
413.4
7.14
89%
12
1
543.4
9.39
78%
16
1
640.0
11.06
69%
Intel X5650 Processor, 2.67 GHz, SLES 11

Intel "Gulftown / Westmere" (12 core dual CPU) with 39 GB RAM

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1
1
50.4
1.00
100%
2
1
103.1
2.04
102%
3
1
139.1
2.76
92%
4
1
187.0
3.71
93%
6
1
244.8
4.85
81%
8
1
296.9
5.89
74%
12
1
347.0
6.88
57%

Release 14.0 Test Cases