LINE4

Line ElementLINE4 defines a spring and damper between four NLFE grid nodes.

Format

<LINE4
       id       = "integer"
       pid      = "integer"
       g1       = "integer"
       g2       = "integer"
       g3       = "integer"
       g4       = "integer"
/>

Attributes

id
Unique identification number.
pid
Property identification number.
g1
First grid identification number.
g2
Second grid identification number.
g3
Third grid identification number.
g4
Fourth grid identification number.

Example

The example demonstrates the definition of a LINE3 element.

<LINE4 id="1" pid="2" g1="101" g2="17" g3="19" g4="22"/>

Comments

  1. The NLFE LINE4 element is a type of line element that simulates a spring-damper between four NLFE grids as shown in the figure below.


    Figure 1. NLFE LINE4 element
  2. All four grids defined for this element must be unique.