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FEMZIP is a specialized tool for the compression of LS-DYNA and other FE solver results. It reads and reconstructs the native data formats. The decompression tool FEMUNZIP is available at this website free of charge. Also, it is inbuilt to the common CAE post-processing tools.

Data Compression

In an effort to improve engineering design larger and more detailed models as well as an increasing number of simulations are performed, yielding a steady growing amount of data. This simulation data has to be analyzed, exchanged among engineers and archived for future reference and re-analysis. Network connections and storage space can then become bottlenecks in workflows used by engineers. The challenge is to handle these large amounts of data in a time- and storage-saving manner in order to eliminate the bottlenecks.

The compression tools of FEMZIP provides a solution to meet this challenge. FEMZIP tools are designed to efficiently compress simulation results of various CAE solver outputs. The high compression factors being obtained by employing FEMZIP lead to several benefits:

Reduced Archive Size

Only a fraction of the storage space is required, when compressing simulation output data. Storage and backup capacities can hold more simulation results. Hence, investments and efforts in the growth of disk space and archive infrastructures can be reduced.

Shorter Data Transfer Times

Transferring result data across computer networks can be very time consuming. Transmission speeds are limited by the available network bandwidth. Since compressed simulation results require significantly less storage they can be transferred in a fraction of the time. In large systems this can lower the pressure on the network remarkably. The positive effect leverages even more when simulation jobs run on cloud service systems.

Quicker Data Loading

Reading data into post-processors can be a time consuming task as well. If data storage is provided on file servers, compressed data can be read directly into post processors significantly quicker due to the faster data transfer. In some cases load times can even be improved when reading from a local hard drive.  While providing these benefits, FEMZIP is made to fit into the workflow used by engineers.

Easy integration to existing workflow

It is designed to be integrated into batch processes to enable automated compression immediately after the simulation process. Consequently, CAE engineers benefit from data compression without the requirement of manually operating FEMZIP. On top of that, on-the-fly decompression functionality of FEMZIP is integrated into common post-processing tools to make direct access to the content of compressed files possible.

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