Beam element vs. Finite element?

Click For Summary

Discussion Overview

The discussion revolves around the use of beam elements versus finite elements in modeling, specifically in the context of finite element analysis (FEA). Participants explore the definitions, applications, and distinctions between these types of elements.

Discussion Character

  • Technical explanation, Conceptual clarification

Main Points Raised

  • One participant expresses confusion about when to use beam elements compared to finite elements and questions if beam elements are a subset of finite elements.
  • Another participant clarifies that a beam element is indeed a type of finite element and mentions that the choice of element type depends on the model, load conditions, and geometry.
  • A request for recommended resources or books on the topic is made by one participant.
  • Multiple links to online resources and books about finite element analysis are provided by another participant, suggesting that these resources cover the basics of the theory.

Areas of Agreement / Disagreement

Participants generally agree that beam elements are a type of finite element, but there is no consensus on specific guidelines for when to use each type, as this depends on various factors such as model requirements and load conditions.

Contextual Notes

The discussion does not resolve the specific conditions under which one should choose beam elements over other finite elements, leaving the criteria somewhat ambiguous.

ACT
Messages
13
Reaction score
0
Hello,

am a bit confused when to use

beam element and when to use Finite element?

is the beam element a subset of Finite element?
 
Engineering news on Phys.org
A beam element is a type of finite element. There are a lot of different element types. The three most basic elements are a spring element, truss element and a beam element. The type of element to be used depends on the model and the degrees of freedom that each have at their respective nodes. In other words, the type of element to use depends heavily on your load conditions and what your geometry is.
 
Thanks for your swift reply ;)

do you recommend any book, or link online?
 
Any FEA book will give you the basics behind the theory:
http://www.colorado.edu/engineering/CAS/courses.d/IFEM.d/
Note chapters 11 and 12 in the link above.

http://illustrations.marin.ntnu.no/structures/analysis/FEM/theory/index.html
http://en.wikipedia.org/wiki/Finite_element_method_in_structural_mechanics

http://www.sv.vt.edu/classes/MSE2094_NoteBook/97ClassProj/num/widas/history.html
http://www.sv.vt.edu/classes/MSE2094_NoteBook/97ClassProj/num/midkiff/theory.html

http://courses.cit.cornell.edu/ansys/
 
Last edited by a moderator:

Similar threads

  • · Replies 6 ·
Replies
6
Views
1K
Replies
4
Views
2K
  • · Replies 1 ·
Replies
1
Views
2K
  • · Replies 0 ·
Replies
0
Views
1K
  • · Replies 8 ·
Replies
8
Views
1K
  • · Replies 2 ·
Replies
2
Views
2K
  • · Replies 3 ·
Replies
3
Views
3K
  • · Replies 0 ·
Replies
0
Views
1K
  • · Replies 9 ·
Replies
9
Views
3K
  • · Replies 2 ·
Replies
2
Views
1K