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Diffstat (limited to '3864/CH2/EX2.47/Ex2_47.sce')
-rw-r--r-- | 3864/CH2/EX2.47/Ex2_47.sce | 44 |
1 files changed, 44 insertions, 0 deletions
diff --git a/3864/CH2/EX2.47/Ex2_47.sce b/3864/CH2/EX2.47/Ex2_47.sce new file mode 100644 index 000000000..2ffb85808 --- /dev/null +++ b/3864/CH2/EX2.47/Ex2_47.sce @@ -0,0 +1,44 @@ +clear +// +// + +//Initilization of Variables + +d=20 //mm //Diameter of steel bar +L=1000 //mm //Length of bar +E=2*10**5 //N/mm**2 //Youngs Modulus +p=300 //N/mm**2 //max Permissible stress +h=50 //mm //Height through which weight will fall +w=600 //N //Load + +//Calculations + +//ARea of steel bar +A=%pi*4**-1*d**2 + +//Instantaneous extension is +dell_l=p*L*E**-1 //mm + +//Work done by Load +//W=W1*(h+dell_l) + +//Volume of bar +V=(A)*L + +//Let E1 be the strain Energy +E1=p**2*(2*E)**-1*V + +//Answer in Book for Strain Energy is Incorrect + +//Now Equating Workdone by Load to strain Energy +W1=E1*51.5**-1 + +//Now when w=600 N +//Let W2 be the Work done by the Load +//W2=w(h2*dell_l) + +h=E1*w**-1-dell_l + +//Result +printf("\n The Max Lodad which can Fall from a height of 50 mm on the collar is %0.2f N",W1) +printf("\n the Max Height from which a 600 N Load can fall on the collar is %0.2f mm",h) |