The compressive longitudinal strain

In summary, compressive longitudinal strain is a measure of the change in length that occurs in a material when it is subjected to a compressive force along its longitudinal axis. This value is calculated by dividing the change in length by the original length and is influenced by material properties and the magnitude and direction of the applied force. It is important in engineering and material science and is used to measure strength and stability. It differs from tensile strain, which is caused by a tensile force and has the opposite effect on material length.
  • #1
ahmeeeeeeeeee
21
0
Hello,

is the strain defined as the absolute deformation to the initial ? i.e is it always positive ??

If Yes , then poission's ration is negative for compression of ordinary materials ?
 
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  • #2
Strain is defined as belowl

e = (a - b)/b

where b is original length and a is the stressed length. So it can be negative for compressive loading. Absolute does not mean |absolute value|.
 

FAQ: The compressive longitudinal strain

What is compressive longitudinal strain?

Compressive longitudinal strain is a measure of the deformation or change in length that occurs in a material when it is subjected to a compressive force along its longitudinal axis.

How is compressive longitudinal strain calculated?

Compressive longitudinal strain is calculated by dividing the change in length of a material by its original length. This value is typically expressed as a decimal or percentage.

What factors affect compressive longitudinal strain?

The magnitude of compressive longitudinal strain is influenced by the material properties, such as its elasticity and strength, as well as the magnitude and direction of the applied compressive force.

What are the practical applications of compressive longitudinal strain?

Compressive longitudinal strain is an important concept in engineering and material science. It is used to measure the strength and stability of structures and materials, and is also relevant in fields such as biomechanics and geology.

How does compressive longitudinal strain differ from tensile strain?

Compressive longitudinal strain and tensile strain are two types of deformation that occur in materials when they are subjected to different types of forces. While compressive strain is caused by a compressive force, tensile strain is caused by a tensile force, and they have opposite effects on the length of a material.

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