Tips & Tricks

Difference in Hybrid TL calculated with DAF and SIF's

When the hybrid TL is calculated, the TL will be the same irrespective of the side the NCT is applied,

How do I get acceleration by scripting in VA One?

Acceleration is a quantity derived from velocity. Easiest is to loop over velocity data and calculate: a = i*ω*vel and ω = 2*pi*freq a) RMS_a: a = ω * vel b) PSD_a: a2/bandwidth c) PSD_g: (a/g)2/bandwidth where "bandwidth" can be retrieved by using: bandwidth = pi_fFreqDomainGetBandwidth(fdom, BandIndex)

Adding lumped mass to FE model in VA One

How do I add lumped mass to FE model in VA One? To add lumped mass in FE models in VA One, Select from the toolbar Solve -> Options -> Structural FE Solver.

Warning: damping for wavefield Source/Receiver is zero

The VTL report warnings : damping for wavefield Source/Receiver is zero - what does it mean? The VTL often report warnings like : Warning: damping for wavefield Source is zero Warning: damping for wavefield Receiver is zero

Radiation calculated from FE structure into an SEA cavity/SIF

How radiation is calculated from an FE structure into an SEA cavity/SIF?

Effective Transmission Loss vs. Virtual Transmission Loss in SEA

What is the difference between Effective Transmission Loss vs. Virtual Transmission Loss in SEA?

Technical Highlight Videos (VIDEO)

On ESI’s IC.IDO Website, you can find a collection of short technical highlight videos, explaining selected features and workflows on various topics.

Reopen last saved file by typing in "Alt+F+1"

Reopen last saved file by typing in "Alt+F+1"

Guide to setup a license server (Windows)

A user's friedly guide to set up license server using LMTOOLS and LMGRD

Sound radiation from ribbed plates to flat plates.

One would expect a ribbed plate to radiate less noise as compared to a normal plate with no ribs. But when I analyse a box with ribbed plates, it radiates more sound as compared to a box with normal plates. Why?