LS Dyna

LS Dyna

*IGA keyword in LS-PrePost

    • Ming han Jia

      Case description:

      As shown in the figure below, the red shell hits the blue shell below at a speed of 25m/s along the opposite direction of the Z axis. The four corners of the lower plate cannot move and rotate in the x, y, z directions.

      After using the *IGA keyword to generate two parts, in *IGA_EDGE_UVW, EID: 9-12 is the number of the four edges of part2 in the parameter field, but its EXYZID points to the 1-4 edges of part1 in the physical field number. The topological relationship is obviously wrong. Is this an error in my nurbs’ generation process?


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