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Diffstat (limited to '3776/CH8/EX8.8/Ex8_8.sce')
| -rw-r--r-- | 3776/CH8/EX8.8/Ex8_8.sce | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/3776/CH8/EX8.8/Ex8_8.sce b/3776/CH8/EX8.8/Ex8_8.sce new file mode 100644 index 000000000..0c8fd0488 --- /dev/null +++ b/3776/CH8/EX8.8/Ex8_8.sce @@ -0,0 +1,24 @@ +clear +//Given +e_0 = -500 //10-6 m/m +e_45 = 200 //10-6 m/m +e_90 = 300 //10-6 m/m +E = 200 //Gpa - youngs modulus of steel +v = 0.3 // poissions ratio +//Caliculations + +e_xy = 2*e_45 - (e_0 +e_90 ) //10-6 m/m from equation 8-40 in text +// from example 8.7 +e_x = -500 //10-6 m/m The contraction in X direction +e_y = 300 //10-6 m/m The contraction in Y direction +e_xy = -600 //10-6 m/m discorted angle +centre = (e_x + e_y)/2 //10-6 m/m +point_x = -500 //The x coordinate of a point on mohr circle +point_y = 300 //The y coordinate of a point on mohr circle +Radius = 500 //10-6 m/m - from mohr circle +e_1 = Radius +centre //MPa The principle strain +e_2 = -Radius +centre //MPa The principle strain + +stress_1 = E*(10**-3)*(e_1+v*e_2)/(1-v**2) //MPa the stress in this direction +stress_2 = E*(10**-3)*(e_2+v*e_1)/(1-v**2) //MPa the stress in this direction +printf("\n The principle stresses are %0.2f MPa %0.2f MPa",stress_1,stress_2) |