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## P2-P8 - COPRA® FEA RF Parallel Options

### Option to COPRA® FEA RF

If a complex roll form process is being simulated, the calculation time can be quite long. In order to reduce the simulation time, you have the possibility to distribute the calculation to more than one processor at the same time.

As you will find in the picture it is clearly possible to reduce the calculation time significantly by using more than one processor. Every processor takes over the calculation of a part of the strip. Using two processors the amount of elements which is to be calculated can be halved. So the calculation time can be reduced theoretically by 75%. Unfortunately there exists a certain administration effort which occurs when parallelising the calculation and which shoots down the gain of time partially. Of course, the saving in time depends for example on the model type or on the element distribution and therefore adheres to certain variations.

Fig. 1 illustrates the relative calculation speed of the different parallel options. A simulation operated with two processors gains 40% calculation time in comparison to a standard COPRA® FEA RF version. One simulation with eight processors (Parallel_8 Option) gains even 80% of calculation time.

### Overview of Parallel Options:

**Parallel_2 Option**

Allows distributing of a simulation onto 2 processors.

With this option, a reduction in calculation time of approximately 40% can be achieved on average.

Parallel_4 Option

Allows distributing of a simulation onto 4 processors.

With this option, a reduction in calculation time of approximately 65% can be achieved on average.

Parallel_8 Option

Allows distributing of a simulation onto 8 processors.

With this option, a reduction in calculation time of approximately 80% can be achieved on average.

The license does not allow you to calculate more than one simulation at the same time and can only be used in combination with a valid COPRA® FEA RF license.