Box

Purpose:

This interface is used for showing, creating, modifying, and deleting the following LS-DYNA keyword cards:

  • *DEFINE_BOX
  • *DEFINE_BOX_ADAPTIVE
  • *DEFINE_BOX_COARSEN

The creation and modification can be carried out by various method such as selecting nodes by area, by polygon, and all visible. There are also facilities for translation and scaling.

Function:

1. Types of define_box data:

2. Methods of define define_box data:

Sample:

No sample.

Define_box data type:

  • Show : Show existing *DEFINE_BOX entities.

  • Cre : Create new *DEFINE_BOX entities.

  • Mod : Modify existing *DEFINE_BOX entities .

  • Del : Delete existing *DEFINE_BOX entities.

  • Type : Select entity type.

  • Label : Set current entity label type.

  • All : Select all *DEFINE_BOX entities.

  • None : Deselect all *DEFINE_BOX entities.

  • Rev : Reverse selection.

  • AList : Select all entities within the selected range (Only applies when there are 20+ entities).

  • Apply : Apply entries for creation/modification or selections for deletion.

  • Cancel : Cancel this modification or selection.

  • Write : Write box to file.

Define *DEFINE_BOX data:

  • Title: Enter box title.

  • BOXID: Enter box ID.

 

 

Define *DEFINE_BOX_ADAPTIVE data:

  • PID : Enter PartID - If zero, all active elements are considered (only available for type: *BOX_ADAPTIVE).

  • LEVEL : Maximum number of refinement levels for elements in box (only available for type: *BOX_ADAPTIVE).

Define *DEFINE_BOX_COARSEN data:

  • IFLAG : Enter 0/1 (only available for type: *BOX_COARSEN).

Methods for define_box data

Define data by MinMax method:

  • Min : Pick node as minimum extreme of box.

  • Max : Pick node as maximum extreme of box.

  • X : X coordinate of min/max.

  • Y : Y coordinate of min/max.

  • Z : Z coordinate of min/max.

Define data by Area or Poly method:

  • Allvis Node : Select all visable nodes as maximum and minimum of box.

Translate box method:

  • X : Translate box in x direction.

  • Y : Translate box in y direction.

  • Z : Translate box in z direction.

  • Distance : Enter distance to translate box.

  • Tran- : Translate in negative direction.

  • Tran+ : Translate in positive direction.

Scale box method:

  • X : Scale box in x direction.

  • Y : Scale box in y direction.

  • Z : Scale box in z direction.

  • Scale : Enter scale factor.

  • Scale- : Scale box down.

  • Scale+ : Scale box up.