Software for Operational Modal Analysis
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The ARTeMIS name stands for Ambient Response Testing and Modal Identification Software. It covers all the tools an engineer needs to perform a high quality modal analysis without knowing the forces acting on the structure and while the structure is in operation. This technology is in general known as Operational Modal Analysis.  

ARTeMIS Modal 5 (64 bit) Released - Try it Today! 

The Ultimate Tool for Operational Modal Analysis



New Feature - Reduce Peaks tool for ARTeMIS Modal Pro 5.2

In the upcoming ARTeMIS Modal Pro 5.2 a new tool for the reduction of undesired peaks from the structural response spectra is introduced. The Reduce Peaks tool can be used to reduce the influence of e.g harmonic peaks originating from a rotating parts acting on the structure during a test. Likewise, it can be deployed to remove undesired modes. This particular application is beneficial in case of very strong modes being mixed with weak modes. In order to better estimate the weak modes the strong ones can simply be removed from the response data before conducting the modal analysis.

Please read more here about new tool that appear in ARTeMIS Modal Pro 5.2 to be released in October 2017. Please also check out this YouTube video.

New Plugin - Direct Control of Selected Data Acquisition modules

ARTeMIS Modal 5 now includes plugins that enable direct control of data acquisition modules from National Instruments and SINUS Messtechnik.

Please read more here about new plugin that works with all versions of ARTeMIS Modal (Basic, STD, Pro), or check out this YouTube video introduction

New SSI-UPCX Modal Estimator with Uncertainty Estimation

From ARTeMIS Modal Pro 5, a new powerful Stochastic Subspace Identification technique is included. The name of this Crystal Clear Stochastic Subspace Identification technique is Extended Unweighted Principal Component, or in short SSI-UPCX.

A unique aspect of the SSI-UPCX technique is that uncertainty estimation of the modal parameters is performed in a fast and memory-efficient way. Uncertainties associated with the measured data are propagated to uncertainties associated with the estimated modal parameters. The uncertainties are visualized in the Stabilization Diagram using confidence bounds, and through the estimated Coeffiencients of Variation (CV) the most uncertain modes are automatically filtered out.

There are several benefits of this new technique compared to today's modal analysis estimation techniques:

  • More accurate estimates of modal parameters than when using conventional "mean value" based clustering techniques.

  • Effective elimination of computational (noise) modes and other unstable modes.

  • Automatic modal estimation becomes more reliable in Structural Health Monitoring.

Please read more here about this exciting new technique.



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Case Studies - ARTeMIS Modal
Vasco da Gama Cable-Stay Bridge
Heritage Court Tower
Prolec GE Transformer

Damage Detection of the Dogna Bridge
High-rise Building during Northridge EQ

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ARTeMIS Modal - Operational Modal Analysis

Structural Vibration Solutions A/S • Tel: +45 9635 4422 • Fax: +45 9635 4575 •