Nissan Armada 2025-2026 Service and Repair Manual: Distortions on Structures
We will look at the different forces acting on part deformations according to the direction the force is applied considering the three elements of force. We will be looking at the basics with a hammer and nail.
Direct Force
The force is applied directly perpendicular to the panel or part.
The force will drive the nail straight into the board. If the force is larger, the nail will be driven in deeper.
We will now be looking at "U" nails as they are similar to a vehicle s frame shape. If the force is applied to one side of the "U" nail than it will drive one side into the board. However, because the other side is connected, there will also be a pulling force on the other side of the impact area.
If the force application point is the center of the "U" nail than the pushing force is downward. This will also cause a pulling force laterally on the sides of the "U" nail. At the same time, a further force is acting which tries to drive the left and right sides into the board and causing the nail to drive into the board.
Systematic Approach
A systematic damage diagnosis of the damage condition on a vehicle is very important to get an exact estimate.
Deformation on Objects of Forms
Examples below show the type of deformation on a shape or object.
Crumpling
Crumpling occurs when a force acts on an object straight on, and if the shape has an equal shape and strength.
Bending
Bend ...
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