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LUSAS Dynamics Analysis

Course Summary: 

A two-day course aimed at all engineering disciplines, for users who are familiar with linear static structural analysis in LUSAS. 

The course covers the theoretical and practical considerations of linear dynamic analysis and consists equally of presentations and ‘hands-on’ sessions.

Who should attend:

LUSAS users familiar with linear static analysis, with a requirement for dynamics.

Course Dates

Dates Location Duration Cost (GBP) Booking
4-5 March 2019 Kingston upon Thames, UK 2 days £350
3-4 June 2019 Kingston upon Thames, UK 2 days £350

Note: The 2-day LUSAS Dynamics analysis courses run immediately before the 3-day LUSAS Nonlinear Analysis courses.

Some delegate feedback from recent LUSAS training courses:

  • “This class was excellent and one of the best training courses that I have taken." (Tim E.)

  • “Very good demonstrations/teachers with a good variety of hands on examples.” (Douglas R.)

  • "The instructor was phenomenal! Engaged, energetic, helpful and friendly! Could not have asked for a better one." (Joe K.)

Course Details:

Day 1:

Eigenvalue Extraction Analysis (DYN-1)

The starting point of all dynamic analyses is a natural frequency analysis.

  • Eigenvalue extraction
  • Subspace iteration
  • Guyan reduction
  • Inverse iteration with shifting
  • Lanczos eigen-extractions
  • Nonlinear eigenvalue techniques

Interactive Modal Dynamics (DYN-2)

Vibrational analyses may be performed as a post-processing exercise following a natural frequency analysis. This covers both frequency and time-domain analyses.

  • Assumptions, calculations and general procedures
  • Modal excitation and modal damping
  • Calculating results
  • Power spectrum and seismic response

Day 2:

Analytical Modal Dynamics (DYN-3)

More complex modal analyses may be carried out ‘off-line’ so-to-speak, in LUSAS. This is discussed along with issues arising from damping in the structure.

  • Damping
  • Spectral response analysis
  • Harmonic response analysis

Modal Synthesis & Transient Dynamics (DYN-4)

Looks at ways of dividing the structure into component parts, or superelements as they are more commonly known, and carrying out dynamic analyses on the components rather than the whole. Additionally, time-stepping techniques are explored for problems with time-dependent loads.

  • Modal synthesis
  • Transient dynamic analysis
  • Implicit and explicit methods
  • Dynamic analysis control

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Last modified: January 07, 2019.