Linear 글 편집

RecurDyn/Linear is a powerful eigenvalue solver based on MBD (Multibody Dynamics) technology. By using Linear, you can linearize a nonlinear dynamic model that includes rigid bodies and RFlex at any desired time instance to calculate eigenvalues (resonant frequencies) and vibration modes. These results can be used to assess various vibration and noise issues, including resonance phenomena, as well as structural stability.

Features

• Supports Eigenvalue Analysis
• Supports Frequency Response Analysis (FRA)
  • Analyze how the system responds to signals of various frequencies, determining its behavior at specific frequencies
• Includes various post-processing functions related to eigenvalue analysis and FRA
  • Animation of mode shapes for the linearized model
  • Exporting of eigenvalue analysis results to text files
• Capable of calculating and outputting the state matrix
  • The state matrix can be calculated after dynamic, static, and pre-analyses.
  • The state matrix allows for the examination and analysis of the system's state.
  • If the plant input/output are predefined, the state matrix can be used in MATLAB/Simulink or CoLink.
  • The linearized state matrix can be used to validate controllers created in Simulink and CoLink.

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※ Eigenvalue analysis is supported for models that include only rigid bodies and RFlex bodies.

※ RecurDyn/Linear performs eigenvalue analyses of entire dynamic systems only. It does not support eigenvalue analysis for individual components.

Benefits

• Addressing excessive vibration or noise during product operation.
• Ensuring mechanical systems remain stable under specific operating conditions.
• Identifying potential resonance issues that may arise at certain frequencies.
• Prediction of system instability at specific frequencies by identifying resonant frequencies.
• Anticipation of system responses during resonance by examining the mode shapes.
• Eigenvalues and modes for interconnected systems with multiple bodies can be calculated.
• The ability to analyze a machine in motion, as the target product experiences changes in position or orientation during operation. Multi-Body Dynamics software can account for these variations in eigenvalue analysis.