diff options
Diffstat (limited to '3392/CH7/EX7.5')
-rwxr-xr-x | 3392/CH7/EX7.5/Ex7_5.sce | 31 |
1 files changed, 31 insertions, 0 deletions
diff --git a/3392/CH7/EX7.5/Ex7_5.sce b/3392/CH7/EX7.5/Ex7_5.sce new file mode 100755 index 000000000..1512877ab --- /dev/null +++ b/3392/CH7/EX7.5/Ex7_5.sce @@ -0,0 +1,31 @@ +clc
+// initialization of variables
+clear
+A=3085.9 //mm^2
+Ix=29.94e-6 //m^4
+Iy=4.167e-6 //m^4
+Ixy=0
+ybar=207.64 //mm
+tau_max=165e6 //Pa
+//calculations
+A=A*1e-6
+ybar=ybar*1e-3
+Mxk=-6.1*cos(%pi/6) // Mx=Mxk*P
+Myk=-6.1*sin(%pi/6) //My=Myk*P
+// Equation to be followed
+// S_zz=Mx*y/Ix-My*x/Iy
+// At A x=100 mm y=-92.36 mm
+x=100e-3
+y=-92.36e-3
+S_zzA=Mxk*y/Ix-Myk*x/Iy //Sigma_zz=S_zz*P
+// At B x=-100 mm y=-92.36 mm
+x=-100e-3
+y=-92.36e-3
+S_zzB=Mxk*y/Ix-Myk*x/Iy //Sigma_zz=S_zz*P
+// At C x=-3.125 mm y=207.64 mm
+x=-3.125e-3
+y=207.64e-3
+S_zzC=Mxk*y/Ix-Myk*x/Iy //Sigma_zz=S_zz*P
+// To find P
+P=2*tau_max/max(S_zzA,S_zzB,S_zzC)
+printf('P = %.2f kN',P/10^3)
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