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Diffstat (limited to '3863/CH4/EX4.15')
| -rw-r--r-- | 3863/CH4/EX4.15/Ex4_15.sce | 30 |
1 files changed, 30 insertions, 0 deletions
diff --git a/3863/CH4/EX4.15/Ex4_15.sce b/3863/CH4/EX4.15/Ex4_15.sce new file mode 100644 index 000000000..28208b0b9 --- /dev/null +++ b/3863/CH4/EX4.15/Ex4_15.sce @@ -0,0 +1,30 @@ +clear +// + +//Given +//Variable declaration +L=1.82*1000 //Length of rod in mm +h1=30 //Height through which load falls in mm +h2=47.5 //Fallen height in mm +sigma=157 //Maximum stress induced in N/sq.mm +E=2.1e5 //Youngs modulus in N/sq.mm + +//Calculation +U=sigma**2/(2*E) //Strain energy stored in the rod in N-m +delL=sigma*L/E //Extension of the rod in mm +Tot_dist=h1+delL //Total distance in mm + +//case(i):Stress induced in the rod if the load is applied gradually +sigma1=((U/Tot_dist)*L) + + +//case(ii):Maximum stress if the load had fallen from a height of 47.5 mm +sigma2=((sigma1)*(1+(sqrt(1+((2*E*h2)/(sigma1*L)))))) + + +//Result +printf("\n Stress induced in the rod = %.1f N/mm^2",sigma1) + +printf("\n NOTE:The given answer for stress(2nd case) in the book is wrong.The correct answer is,") +printf("\n Maximum stress if the load has fallen = %.2f N/mm^2",sigma2) + |