Learning Forum

[Tuan Nguyen]

Hello group, Is there any way to use linear solution method for explicit solver in LS-DYNA, I believe it can be chosen in CONTROL card like CONTROL_IMPLICIT_SOLUTION. In find the way in ABAQUS but it is challenged for me in LS-DYNA.

[Ashish Khemka]

Hi,

Please see if the following link helps you: LSDYNA Basics I — Welcome to LS-DYNA Examples (ansys.com)

Regards,

Ashish Khemka

[Jim Day]

There's no switch to make the explicit solver linear in the same sense that implicit can be made linear. Explicit always considers finite displacements and rotations. That said, if the material is *MAT_ELASTIC and there is no contact and the deformation is small, the explicit solution should agree with a linear implicit solution. I would recommend double precision however.