FAQ

•  What are the differences between implicit and explicit?
•  Upgrade a Network License (Microsoft Windows)
•  LS-DYNA runs into Segmentation Violation (SIGSEGV) error. What can I do?
•  Modell Check / Initialisation Run
•  Install a New Network License (Microsoft Windows)
•  Upgrade a Network License (Linux/Unix/Solaris)
•  Install a New Network License (Linux/Unix/Solaris)
•  How can nodal accelerations be evaluated in LS-DYNA?
•  What is mass scaling?
•  Do you have tips how to to combat instabilities?

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•  What is the difference between *CONTACT_AUTOMATIC_ SINGLE_SURFACE and *CONTACT_AUTOMATIC_GENERAL ?
•  What is the IGNORE flag good for?
•  How can I handle contact between beams and shells?

•  During the forming analysis I found that some elements in the blank became distorted. How can this problem be solved?
•  After the trimming process, some of the elements in the blank mesh have become distorted around the trim line. How can this be avoided?
•  Can I arbitrarily pick the nodes to constrain for a springback analysis?
•  Can you advise how to improve the speed in the forming analysis?
•  Can you explain the failure behaviors that occur in sheet metal forming?
•  Do I have an easier way to define the velocity curve?
•  Do I have to consider the thickness of the blank?
•  Do I have to consider the thickness of the rigid bodies?
•  Even if I include the card of *CONTROL_ADAPTIVE in my input deck, the blank is not adapted. How can I fix this problem?
•  How can I evaluate material formability for a new material?

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