ADD ELEMENT

  • Select ELEMENT(S), and the SELECT ELEMENTS dialog window is displayed. See Figure 4.3.3. There are three sets of functions, depending on whether SELECT BY CURSOR or SELECT BY is ON.

  • Figure 4.3.3 Select Element

  • If SELECT BY CURSOR is toggled ON, the user can select elements in the following four ways.

  • Select to pick an element by its location to select one element or click left mouse button and move it over the desired elements to select multi-elements.

    Select to pick elements on a surface.

    Select to pick elements inside a window.

    Select to pick elements inside a free hand region.

    Select to pick elements by spread. The slider above ANGLE can be used to adjust the angle. This allows the user to select an angle and pick an element. If the angle formed by the normal vectors of the selected element and the adjacent element is less than the selected angle, the adjacent element is selected.

    Select to pick elements inside a polygon. Click the left mouse button in a sequence to define the polygon. Click right mouse button to reject last point and middle mouse button to complete.

    Select to pick elements inside a circle. Click the left mouse button to define the center of the circle. Hold the mouse button and move the mouse to define the circle. Release the mouse button to complete.

    If SELECT BY is toggled ON, there are three ways to select an element. The user may select by part, type, or range. See Figures 4.3.4 ~ 4.3.6. Click the drop down choice next to the SELECT BY button to choose one of the options.

                               Figure 4.3.4 Select by Part                    Figure 4.3.5 Select by Type                     

                                  

                             Figure 4.3.6 Element Type                      Figure 4.3.7 Select by Range

                                        

      1. SELECT BY PART

    See Section 4.2 to choose a part. All elements in the part will be selected when this option is selected. See Figure 4.3.4.

    1. SELECT BY TYPE

    Select a type in the ELEMENT TYPE POP-UP Window. See Figure 4.3.7. All elements of the selected type displayed on the screen will be selected. See Figure 4.3.5.

    NOTE: Refer to the LS-DYNA User's Manual for a description of the nine types of elements. Deselecting elements and closing the dialog box operations are similar to those in Section 4.5.1.

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