Stress recovery module

The VA One : Stress recovery module is ideally suited for determining the failure of structural components exposed to harsh vibro-acoustic environments.  Applications include simulation of acoustic ‘qualification’ testing for composite aerospace components and durability analysis for fixtures and connections.  The module seamlessly interfaces with existing finite element codes and is fully integrated within the VA One solution process and environment.

• Simulate acoustic qualification testing of aerospace components and predict failure due to diffuse acoustic fields, turbulent boundary layers, propagating wavefields etc.
• Predict interlaminar stresses for composite components
  
• Calculate the dynamic forces at fixture points due to random vibro-acoustic loading and use to optimize fixure designs
  
• Estimate the fatigue life of components subjected to random vibro-acoustic loading
  

Features

• Full support for import of stress, strain and force modes from external FE solvers
• Stress recovery fully integrated within VA One environment and solution process
  
• Recover stress and strain across all shell and beam elements
  
• Recover forces at single and multi-point constraints
• Plot overall levels, PSD, RMS values for stress, strain and force
• Intuitive setup and model management within the VA One environment
  

“Ensuring that our structures survive the harsh 
environments encountered during launch and liftoff is 
essential to our missions. Using VA One we can now 
predict the dynamic stress, strain and force in key 
components.  This will help us to ensure that our 
structures are qualified for the acoustic and 
vibrational environments encountered during 
launch and liftoff”

Ben Tsoi, Senior Dynamics Environmental Engineer 
NASA Jet Propulsion Laboratories.