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Diffstat (limited to '3864/CH2/EX2.45/Ex2_45.sce')
-rw-r--r-- | 3864/CH2/EX2.45/Ex2_45.sce | 66 |
1 files changed, 66 insertions, 0 deletions
diff --git a/3864/CH2/EX2.45/Ex2_45.sce b/3864/CH2/EX2.45/Ex2_45.sce new file mode 100644 index 000000000..bcb78b03e --- /dev/null +++ b/3864/CH2/EX2.45/Ex2_45.sce @@ -0,0 +1,66 @@ +clear +// +// + +//Initilization of Variables + +//Bar-A +d1=30 //mm //Diameter of bar1 +L=600 //mm //length of bar1 + +//Bar-B +d2=30 //mm //Diameter of bar2 +d3=20 //mm //Diameter of bar2 +L2=600 //mm //length of bar2 + +//Calculations + +//Area of bar-A +A1=%pi*4**-1*d1**2 + +//Area of bar-B +A2=%pi*4**-1*d2**2 +A3=%pi*4**-1*d3**2 + +//let SE be the Strain Energy +//Strain Energy stored in Bar-A +//SE=p**2*(2*E)**-1*V +//After substituting values and simolifying further we get +//SE=P**2*E**-1*0.4244 + +//Strain Energy stored in Bar-B +//SE2=p1**2*V1*(2*E)**-1+p2**2*V2*(2*E)**-1 +//After substituting values and simolifying further we get +//SE2=0.6897*P**2*E**-1 + +//Let X be the ratio of SE in Bar-B and SE in Bar-A +X=0.6897*0.4244**-1 + +//Part-2 + +//When Max stress is produced is same:Let p be the max stress produced + +//Stress in bar A is p throughout +//In bar B:stress in 20mm dia.portion=p2=p + +//Stress in 30 mm dia.portion +//p1=P*A2*A3**-1 +//After substituting values and simolifying further we get +//p1=4*9**-1*p + +//Strain Energy in bar A +//SE_1=p**2*(2*E)**-1*A1*L1 +//After substituting values and simolifying further we get +//SE_1=67500*p**2*%pi*E**-1 + +//Strain Energy in bar B +//SE_2=p1**2*V1*(2*E)**-1+p2**2*V2*(2*E)**-1 +//After substituting values and simolifying further we get +//SE_2=21666.67*%pi*p**2*E**-1 + +//Let Y be the Ratio of SE in bar B and SE in bar A +Y=21666.67*67500**-1 + +//result +printf("\n Gradually applied Load is %0.2f ",X) +printf("\n Gradually applied Load is %0.2f ",Y) |