diff options
Diffstat (limited to '3776/CH8/EX8.8/Ex8_8.sce')
| -rw-r--r-- | 3776/CH8/EX8.8/Ex8_8.sce | 17 |
1 files changed, 9 insertions, 8 deletions
diff --git a/3776/CH8/EX8.8/Ex8_8.sce b/3776/CH8/EX8.8/Ex8_8.sce index 0c8fd0488..57bd71918 100644 --- a/3776/CH8/EX8.8/Ex8_8.sce +++ b/3776/CH8/EX8.8/Ex8_8.sce @@ -1,24 +1,25 @@ clear //Given -e_0 = -500 //10-6 m/m -e_45 = 200 //10-6 m/m +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 = 200 //GPa - youngs modulus of steel +v = 0.3 // Poissons ratio +//calculations 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 +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 +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) +// answer in textbook is wrong |