Calculate stress intensity factor, Mechanical Engineering

Calculate stress intensity factor:

For the plate in Figure (a) W = 25 mm, 2a = 10 mm, plate thickness, t = 2 mm, Load P = 1000 N. Calculate stress intensity factor if length of plate is 150 mm.


For crack at a distance of 75 mm from loaded end, the effect of edge on SIF may be disregarded.

SIF may be calculated from Eq. (3).

                             s =  P/ Wt =  1000 /25 ´2  = 20 N/mm2

P a / W =  P´5/25 = 0.6284

∴          tan P a /W =  tan 0.6284= 0.7265 (Note P a/W is in radians)

∴          K I = s[W tan P a / W]1/2  = 20[25´0.7256]1/2

or,   K I  = 85.235 N/mm2  ( 1870_Calculate stress intensity factor.png)                               ---------- (i)

If  a/W  =  5/25=1/5  is regarded as small, then

                 2022_Calculate stress intensity factor1.png     -----------(ii)

 (i) and (ii) are only approximately close.

Posted Date: 1/22/2013 1:48:15 AM | Location : United States

Related Discussions:- Calculate stress intensity factor, Assignment Help, Ask Question on Calculate stress intensity factor, Get Answer, Expert's Help, Calculate stress intensity factor Discussions

Write discussion on Calculate stress intensity factor
Your posts are moderated
Related Questions
Lap or fillet joint Lap joint is obtained by overlapping the plates and welding their edges. The fillet joints may  be single transverse fillet, double transverse fillet or par

Compute the coefficient of friction at block: The frame shown in Figure rotates about a vertical axis. The coefficient of friction under block A is 0.4. Compute the coefficien

Classificatio n of I.C. Engines: IC engines are classified as follows: 1 . Nature of thermodynamic cycles as:  Otto cycle engine, Diesel cycle engine and Dual combus

What is load? Sol. : A load can be defined as the combined effect of external forces acting on the body. The load is applied on body whereas stress is induced in material of

The 300 kg, 8-m-wide rectangular gate shown in the figure is hinged at B and leans against the floor at A making an angle of 60° with the horizontal. The gate is to be open from it

Resolving vectors into I j k component

Capacity Planning: This unit defined different ways to measure capacity, set up maximum capacity, and calculate capacity utilization. The long-term and short-term strategies t

the velocity of a particle moving along x axis is defined by v=kx^3-4x^2+6x where v is in m/s,x in m and k is a constant .if k=2 compute the acceleration when x=2m #Minimum 100 wor

Compute the force exerted by the tires on the road: An automobile of mass 1500 kg traverses a 500 m curve at a constant speed of 50 kmph. Supposing no banking of the curve,