It uses the reconstruction of a left using an approach "forward" and which, for the most part, calculating the collision using variants of Kudlich-Slibar model?
I believe that you should visit the Academy section on the developer's website because that page is filled with resources that teach you how to properly work with the software. I've seen documents, tutorials, user guides, videos and basically, help files that you can use to get the job done while using the Virtual CRASH application. Visit the link below and the page that will load will be the one you have to reach. Scroll down to see all the files and make sure that you have