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Diffstat (limited to '3776/CH7/EX7.9/Ex7_9.sce')
| -rw-r--r-- | 3776/CH7/EX7.9/Ex7_9.sce | 23 |
1 files changed, 23 insertions, 0 deletions
diff --git a/3776/CH7/EX7.9/Ex7_9.sce b/3776/CH7/EX7.9/Ex7_9.sce new file mode 100644 index 000000000..4822c44e0 --- /dev/null +++ b/3776/CH7/EX7.9/Ex7_9.sce @@ -0,0 +1,23 @@ +clear +//Given +dia = 15 //mm - The diameter of the rod +h = 0.5 //mt - The freely falling height +A = 3.14*(dia**2)/4 //mm2 The area of the crossection +E = 200 //Gpa -Youngs modulus +L = 750 //mm - The total length of the rod +G = 80 //gpa - Shear modulus +N = 10 //number of live coils +d = 5 //mm the diameter of live coil +m = 3 // the mass of freely falling body +H = 500 //mm -from mass to spring +F= m*9.81 //Kg the force due to that mass +p = 3 //KN-m _ the load applied +//e = e_rod + e_spr +//e_rod +e_rod = p*L*(10**-3)/(A*E) //mm The elongation due to freely falling body +//e_spr +e_spr = 64*F*(dia**3)*N*(10**-3)/(G*(d**4)) //mm The elongation due to spring +e = e_rod + e_spr //mm The total elongation +p_dyn =F*(1+((1+(2*H/e))**0.5)) +Stress_max = p_dyn/A //MPa - The maximum stress in the system +printf("\n The maximum stress in the system %0.2f MPa",Stress_max) |