You need to fix the Bolt Control Grid in subsequent load case of pre-load step. You need to introduce SPC in bolt axial direction in second load case to fix the control grid. (same grid where you are applying bolt load)
You need to fix the Bolt Control Grid in subsequent load case of pre-load step. You need to introduce SPC in bolt axial direction in second load case to fix the control grid. (same grid where you are applying bolt load)