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Diffstat (limited to '3159/CH12/EX12.2/Ex12_2.sce')
| -rwxr-xr-x | 3159/CH12/EX12.2/Ex12_2.sce | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/3159/CH12/EX12.2/Ex12_2.sce b/3159/CH12/EX12.2/Ex12_2.sce new file mode 100755 index 000000000..2b9db8e7a --- /dev/null +++ b/3159/CH12/EX12.2/Ex12_2.sce @@ -0,0 +1,11 @@ +// Estimate the brittle fracture strength at low temperatures
+clc
+Gamma = 1.5// specific surface energy in J/m^2
+Y = 200 // Young’s modulus in GN/m^2
+c = 2 // half length of crack
+
+printf("\n Example 12.2")
+sigma_f = sqrt(2*Gamma*Y*1e9/(%pi*c*1e-6))
+
+printf("\n Brittle fracture strength at low temperatures is %d MNm^-2 ",sigma_f/1e6)// answer in book is 310MNm^-2
+
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