NVH, Frequency Domain, Fatigue (in-person training)

Title:
NVH, Frequency Domain, Fatigue
Date:
6 Jun, 2023
Duration:
1 day
Location:
The Arup Campus, Blythe Valley Park, Solihull
Price:
Free

We’re offering our valued customers a rare opportunity to receive this advanced training from a leading industry expert, free of charge. This course, which usually costs £400 per day, is an exceptional chance to enhance your skills and knowledge. Don’t miss out!

The course is provided free of charge to Arup’s Oasys or LS-DYNA customers on a first come-first-serve basis. Spaces are limited to 3 per customer organisation.

The objective of the training course is to introduce the frequency domain vibration, fatigue and acoustic features of LS-DYNA to users, and give a detailed look at the application of these features in vehicle NVH simulation.

 

Register interest

Course Content:

  • Introduction
    NVH theory and lab testing technology, overview of LS-DYNA frequency domain features and applications, frequency domain vs. time domain, Fourier transforms
  • Frequency Response Function (FRF)
    Modal superposition method, damping, nodal force/resultant force FRF
  • Steady State Dynamics (SSD) with harmonic loading
    Large mass method for enforced motion, Equi­valent Radiated Power (ERP), mode expansion with LS-PrePost
  • Random vibration with PSD loading
    Correlated and uncorrelated multiple PSD excitations, acoustic wave, pre-stress condition
  • Acoustics
    Rayleigh method, Kirchhoff method, BEM, FEM, acoustic panel contribution analysis, vibro-acoustic problems, Muffler transmission loss analysis, ATV and MATV techniques, acoustic eigenvalue analysis, incident waves, half-space problem, weighted SPL, radiated sound power
  • Response spectrum analysis
    Input earthquake spectrum, modal combination methods (SRSS, CQC, etc.), multi input spectra
  • Fatigue
    Fatigue analysis in harmonic/random vibration environment, Miner’s rule, S-N curves, Dirlik method
  • Advanced topics
    SEA (Statistical Energy Analysis), brake squeal analysis; NVH based on IGA
  • Workshop

For Who?

This course is recommended for engineers who want to run NVH or other frequency domain vibra­tion, fatigue and acoustic simulation problems with LS-DYNA. This course is useful for engineers and researchers who are working in the area of vehicle NVH, aircraft/spacecraft vibro-acoustics, engine noise simulation, machine vibration testing and simulation, etc.

Lecturer:

Dr. Yun Huang, Principal R&D Engineer, ANSYS

Dr. Yun Huang graduated from the department of Civil Engineering, University of Minnesota in 2006. After that he joined LSTC (now Ansys) as a software developer for LS-DYNA. His development has been focused on frequency domain analysis functionalities including vibration solvers and acoustic solvers, and fatigue analysis functionalities.

Course Fees:

The course is provided free of charge to Arup’s Oasys or LS-DYNA clients on a first come-first-serve basis. Spaces are limited to 3 per customer organisation.

Relevant Products

  • LS-DYNA

How do I get there?

The Arup Campus Blythe Gate, Blythe Valley Park Solihull, West Midlands B90 8AE United Kingdom

Wanting to attend this course?

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