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Modification Prediction

  
LMS Test.Lab Modification Prediction evaluates structural modifications (mass, stiffness and damping) of elements such as mass, spring-damper and tuned absorber on the dynamic behavior of a mechanical structure using modal system synthesis techniques. Multiple modifications can be prepared and saved in a modification set.
 

Modification Prediction LR 01.jpgLMS Test.Lab Modification Prediction evaluates structural modifications (mass, stiffness and damping) of elements such as mass, spring-damper and tuned absorber on the dynamic behavior of a mechanical structure using modal system synthesis techniques. Multiple modifications can be prepared and saved in a modification set. 

Based on the modal model (scaled mode shapes identified with experimental or finite element modal analysis) and on the modification element definition, a modal model of the modified structure is calculated. The effect of such a set of modifications on a modal model can be calculated and compared to the original situation. LMS Test.Lab Modification Prediction is a member of the LMS Test.Lab analysis product family. It can be used both as a stand-alone solution and as an add-in. 



Features

  • Efficiently dissipate vibration energy using a tuned absorber
  • Add masses or change local stiffness to move resonant frequencies
  • Remove masses at all points and predict accurate natural frequencies
  • Predict structural modification effects and global impact of selected modifications without physically changing the structure
  • Evaluate alternative design variation without repeated testing


Benefits

  • Complete solution for modal model modification, optimized for ease-of-use
  • Requires minimal operator training



    Covering a range of industries, LMS application cases let you discover how LMS solutions help our customers solve their real-life engineering challenges. 




    Brochures
    Download the LMS Test.Lab Structures Brochure

    Images

    Modification Prediction LR 02.jpg Modification Prediction LR 03.jpg Modification Prediction LR 04.jpg
    Add masses or change local stiffness to move resonant frequencies. Efficiently dissipate vibration energy using a tuned absorber. Evaluate alternative design variation without repeated testing.




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