How does the line strain of the bar in the material mechanics be calculated? The What is the connection with the elongation?
On the Chinese standard to find the evening, the standard network because of the above
Ε = lim (Δs / Δx) Δs is the amount of elongation Δx tends to zero
In the range of elasticity, the axial pull and the amount of elongation and the amount of shortening of the rod are proportional to the shaft axial force N and the length L of the rod and are inversely proportional to the cross-sectional area A. Its absolute elongation ΔL = N × L ÷ E ÷ A, where E is the elastic modulus of the material. Let ε = ΔL ÷ L be the line strain, then ε = N ÷ E ÷ A, which is their relationship.
