Safety Tools

New Features

Barrier Position Tool
This new tool, available in the Safety ribbon in the LS-DYNA and Radioss solver interfaces, enables an automatic positioning of the crash barrier around the vehicle as per the selected safety regulation. The tool provides following functionalities:
  • Support of all safety regulations: C-NCAP, Euro-NCAP, FMVSS, IIHS, J-NCAP and UN-R
  • Support of all load cases: Front, Side and Rear
  • Following positioning methods are implemented: Overlapping method, Side with IRD method, Side with R-Point method, Pole
  • User-defined gap between barrier and vehicle
  • Automatic creation of transformations and positions entities
  • Automatic switch of the barrier include file to *INCLUDE_TRANSFORM or /SUBMODEL respectively for LS-DYNA and Radioss solvers


Figure 1.


Figure 2.
Dummy Positioner: Automatic contact detection
This new functionality enables the automatic contact detection between dummy limbs and surrounding structural components. When the contact is detected, the motion of the limb is automatically stopped and thus, avoiding intersections.
Following features are added with this new functionality:
  • Surrounding structural components defined in a solver set, inside dummy body Entity Editor
  • New column with checkboxes added to enable the activation/deactivation of the contact checking functionality
  • Dedicated Metadata written in the DUMMY information inside the input deck
Mechanism Tool: Automatic morphing
This new functionality enables the automatic morphing of components using the slider joint. All morphing entities are automatically created, and the morphing happens in real time when the joint is manipulated.


Figure 3.
Pedestrian Impact Solution
The pre-processing the pedestrian impact regulations have been enhanced with the following features:
  • Hard parts distance contouring and offset zones creation
  • Impact points refinements
Now the new post-processing tool enables a complete analysis of all pedestrian impact regulations (NCAP and GTR) and load cases (head, lower-leg, upper-leg) with the following functionalities:
  • HIC mapping
  • Injury curves plotting
  • GTR areas calculation
  • Automatic Euro-NCAP spreadsheet generation
  • Rating calculation
  • Automatic reporting


Figure 4.

Enhancements

Graphical selection of mechanisms and dummies
Dummies and mechanisms can be selected directly on the graphic using the Mechanism selector.
Figure 5.

Resolved Issues

  • Radioss XREF are now created on import of the h3d file in the pre-simulation tools.
  • LS-DYNA seatbelt extraction was not working if the break angle between the 1D belt segments was too big. This limitation is removed and a break angle control in the seatbelt extraction tool is added.