Block Format Keyword Describes the surface selected from other surfaces.


Enter selected items numbers (any number may be input, 10 per format).
(1) (2) (3) (4) (5) (6) (7) (8) (9) (10)
item_ID1 item_ID2 item_ID3 item_ID4 item_ID5 item_ID6 item_ID7 item_ID8 item_ID9 item_ID10


Field Contents SI Unit Example
surf_ID Surface identifier

(Integer, maximum 10 digits)

unit_ID Unit Identifier

(Integer, maximum 10 digits)

surf_title Surface title

(Character, maximum 100 characters)

item_ID1, item_ID2,... item_IDn List of surface identifiers 4




  1. All nodes must belong to a shell element, a brick element or a triangular shell element.
  2. A surface cannot be defined using Madymo surfaces.
  3. A surface cannot be defined by associating a hyper-ellipsoid and another type of surface.
  4. If item_ID is negative, the surface normals are inverted.
    1. -2
    Surface 3 = Surface 1 + Surface 2 (the normal of Surface 2 is inverted)

    Figure 1.