Enabling the *CONSTRAINED_INTERPOLATION_SPOTWELD (in detail SPR3) as a general-purpose fastening element
It is known that the simulation of fastening elements can be carried out by using different approaches. One common way is the use a force-displacement based approach for single-point-connections. While enabling LS-DYNA to calculate crash simulations in our crash simulation tool chain it was necessary to make several adjustments to the standard *CONSTRAINED_INTERPOLATION_SPOTWELD keyword to ensure that the currently available data can be used almost completely.
https://www.dynalook.com/conferences/13th-european-ls-dyna-conference-2021/simulation-methods/styrnik_bmw_group.pdf/view
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Enabling the *CONSTRAINED_INTERPOLATION_SPOTWELD (in detail SPR3) as a general-purpose fastening element
It is known that the simulation of fastening elements can be carried out by using different approaches. One common way is the use a force-displacement based approach for single-point-connections. While enabling LS-DYNA to calculate crash simulations in our crash simulation tool chain it was necessary to make several adjustments to the standard *CONSTRAINED_INTERPOLATION_SPOTWELD keyword to ensure that the currently available data can be used almost completely.
Styrnik_BMW_Group.pdf
— 1.4 MB