A rigid horizontal bar ABC is supported by three vertical ro

A rigid horizontal bar ABC is supported by three vertical rods. There is no strain in the rods before load P is applied. After load P is applied, the axial strain in rod (1) is epsilon_1 = 720 Mu epsilon. |v_a| (mm) Determine the deflection of the rigid bar at B and the normal strain in rods (2) if there is a 0.35-mm clearance in the connection between rod (1) and the rigid bar before the load is applied. epsilon_2 (mu epsilon)

Solution

v2=54.5154

v1=25

epislon e=0.4

=PEL0dxL=PE0LdxL

where A = ty, and y and t if variable, must be expressed in terms of x.

For a rod of unit mass suspended vertically from one end, the total elongation due to its own weight is

=gL22E=MgL2AE=gL22E=MgL2AE

where is in kg/m³, L is the length of the rod in mm, M is the total mass of the rod in kg, A is the cross-sectional area of the rod in mm², and g = 9.81 m/s₂.

Stiffness, k
Stiffness is the ratio of the steady force acting on an elastic body to the resulting displacement. It has the unit of N/mm.

these are the bassic formula which you have