Calculate Vertical Displacement at Point C with Virtual Loads in Truss

Click For Summary

Discussion Overview

The discussion focuses on calculating the vertical displacement at point C of a truss structure using virtual loads. Participants are exploring the application of virtual forces and discussing the symmetry of the structure.

Discussion Character

  • Technical explanation, Homework-related

Main Points Raised

  • One participant seeks assistance in calculating vertical displacement at point C after applying a virtual load of 1 kN.
  • Another participant notes an issue with the attachment containing the diagram necessary for the calculations.
  • A later reply claims to have calculated the vertical displacement to be 0.0172 mm.

Areas of Agreement / Disagreement

Participants have not reached a consensus, as there are differing views on the calculations and the need for clarification regarding the diagram.

Contextual Notes

The discussion lacks clarity on the assumptions made in the calculations and the specific details of the truss structure, which may affect the results.

vtaela
Messages
25
Reaction score
0
Hi

I am trying to calculate the vertical displacement at point C for the following diagram

https://www.physicsforums.com/attachments/57161

So far i have calculated the forces in each member and i now need to calculate the Virtual forces!

I applied a virtual load at point c of 1 KN.

I also know that our structure is symmetrical!

Can you please help me to continue

Thank you
 
Physics news on Phys.org
There's something wrong with your attachment. Please repost.
 
ImageUploadedByPhysics Forums1364403252.981152.jpg
 
I have calculated tge vertical displacement to be 0.0172 mm
 

Similar threads

Engineering 2nd Degree Inderteminacy for Structure Using Force Method
  • · Replies 3 ·
Replies
3
Views
3K
Determine the forces using virtual work(unit force method)
  • · Replies 2 ·
Replies
2
Views
2K
Engineering Instantaneous Center of Rotation (Polplan in german) and STATICS
  • · Replies 1 ·
Replies
1
Views
2K
Virtual Work Method on a Truss
  • · Replies 3 ·
Replies
3
Views
4K
Displacement in external redundant truss
  • · Replies 4 ·
Replies
4
Views
2K
Calc Forces in Members FG, GD & CD: Virtual Work
  • · Replies 1 ·
Replies
1
Views
2K
Engineering Determining Force and Directions on Truss with Pulley
  • · Replies 7 ·
Replies
7
Views
2K
Engineering Struggling with a Structural Analysis Problem?
  • · Replies 1 ·
Replies
1
Views
2K
Find Yield displacement and Yield strength of steel under cyclic load
  • · Replies 5 ·
Replies
5
Views
2K
How Do You Calculate Distributed Load on a Roof Truss Due to Snow?
  • · Replies 3 ·
Replies
3
Views
5K