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Diffstat (limited to '3772/CH8/EX8.11/Ex8_11.sce')
-rw-r--r-- | 3772/CH8/EX8.11/Ex8_11.sce | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/3772/CH8/EX8.11/Ex8_11.sce b/3772/CH8/EX8.11/Ex8_11.sce new file mode 100644 index 000000000..67671afff --- /dev/null +++ b/3772/CH8/EX8.11/Ex8_11.sce @@ -0,0 +1,33 @@ +// Problem 8.11,Page no.214 + +clc;clear; +close; + +L=75 //cm //span of laminated steel spring +P=7.5 //KN //Load +y_c=5 //cm //Central Deflection +sigma=400 //MPa //Bending stress +E=200 //GPa //Modulus of Elasticity +//b=12*t + +//Calculations + +//y_c=3*P*L**3*(8*E*n*b*t**3)**-1 //Deflection +//After substituting values and further simplifying we get +//nt**4=9.887*10**-9 (Equation 1) + +//We Know sigma=3*P*L*(2*n*b*t**3)**-1 //bending stress +//Again after substituting values and further simplifying we get +//nt**3=1.757*10**-6 (Equation 2) + +//After Divviding (Equation 1) by (Equation 2) we have +t=9.887*10**-9*(1.757*10**-6)**-1*10**2 //cm + +//substituting value of t in Equation 2) we get +n=1.757*10**-6*((t*10**-2)**3)**-1 //Number of plates +R=(L*10**-2)**2*(8*y_c*10**-2)**-1 //Radius of curvature + +//Result +printf("The thickness of Plates is %.2f",t);printf(" cm") +printf("\n The Number of Plates is %d",ceil(n)) +printf("\n The Radius of Curvature of Plates is %.2f",R);printf(" m") |