3.1.9.25. ElasticTubularJoint Element
This command is used to construct an ElasticTubularJoint element object, which models joint flexibility of tubular joints in two dimensional analysis of any structure having tubular joints.
3.1.9.25.1. Command Lines
TCL:
- element ElasticTubularJoint $eleTag $iNode $jNode $Brace_Diameter $Brace_Angle $E $Chord_Diameter $Chord_Thickness $Chord_Angle
Python:
- element('ElasticTubularJoint', eleTag, iNode, jNode, Brace_Diameter, Brace_Angle, E, Chord_Diameter, Chord_Thickness, Chord_Angle)
where:
Argument |
Type |
Description |
|---|---|---|
$eleTag |
integer |
Unique element object tag |
$iNode |
integer |
First end node- it is always located on the chord axis |
$jNode |
integer |
Second end node - it is always located on the chord wall |
$Brace_Diameter |
float |
Outer diameter of brace |
$Brace_Angle |
float |
Angle between brace and chord axis 0 < Brace_Angle < 90 |
$E |
float |
Young’s Modulus |
$Chord_Diameter |
float |
Outer diameter of chord |
$Chord_Thickness |
float |
Thickness of chord |
$Chord_Angle |
float |
Angle between chord axis and global x-axis 0 < Chord_Angle < 180 |
3.1.9.25.2. Examples
Command Lines
The following example constructs constructs a ElasticTubularJoint joint element with element tag 1, that is connected to nodes 1 and 2. The brace diameter is 0.25 m, intersection angle is 45 degrees, Young’s modulus is 210e9, outer diameter and thickness of the chord are 0.50 m and 0.016 m respectively, and angle between chord axis and global horizontal axis is 45 degrees.
Tcl
element ElasticTubularJoint 1 1 2 0.25 45 210E+09 0.5 0.016 45;
Python
element('ElasticTubularJoint', 1, 1, 2, 0.25, 45, 210E+09, 0.5, 0.016, 45)
References
More information available in the following reference:
Alanjari, P., Asgarian, B., & Salari, N. (2015). Elastic tubular joint element for modelling of multi-brace, uni-planar tubular connections. Ships and Offshore Structures, 10(4), 404–415. https://doi.org/10.1080/17445302.2014.942077
Code developed by: M. Kia and P. Alanjari, Sharif University of Technology and K. N. Toosi University of Technology, Tehran, Iran.