initial commit / add all books

1 files changed, 20 insertions, 0 deletions

diff --git a/3776/CH8/EX8.4/Ex8_4.sce b/3776/CH8/EX8.4/Ex8_4.sce
new file mode 100644
index 000000000..75a4498ff
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+++ b/3776/CH8/EX8.4/Ex8_4.sce
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+clear
+//Given
+//
+S_x = 3.0 //MPa _ the noraml stress in x direction
+S_y = 1.0 //MPa _ the noraml stress in Y direction
+c = (S_x + S_y)/2 //MPa - The centre of the mohr circle 
+point_x = 1 //The x coordinate of a point on mohr circle
+point_y = 3  //The y coordinate of a point on mohr circle
+//Caliculations 
+
+Radius = ((point_x-c)**2 + point_y**2**0.5) // The radius of the mohr circle
+//22.5 degrees line is drawn 
+o = 22.5 //degrees 
+a = 71.5 - 2*o //Degrees, from diagram 
+stress_n = c + Radius*sin((180/%pi)*(o)) //MPa The normal stress on the plane 
+stress_t =  Radius*cos((180/%pi)*(o)) //MPa The tangential stress on the plane
+printf("\n The normal stress on the 22 1/2 plane  %0.2f MPa",stress_n)
+printf("\n The tangential stress on the 22 1/2 plane  %0.2f MPa",stress_t)
+printf("\n answer varies due to rounding off errors")
+