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| author | priyanka | 2015-06-24 15:03:17 +0530 |
|---|---|---|
| committer | priyanka | 2015-06-24 15:03:17 +0530 |
| commit | b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b (patch) | |
| tree | ab291cffc65280e58ac82470ba63fbcca7805165 /3159/CH12/EX12.1/Ex12_1.sce | |
| download | Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.gz Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.tar.bz2 Scilab-TBC-Uploads-b1f5c3f8d6671b4331cef1dcebdf63b7a43a3a2b.zip | |
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Diffstat (limited to '3159/CH12/EX12.1/Ex12_1.sce')
| -rwxr-xr-x | 3159/CH12/EX12.1/Ex12_1.sce | 11 |
1 files changed, 11 insertions, 0 deletions
diff --git a/3159/CH12/EX12.1/Ex12_1.sce b/3159/CH12/EX12.1/Ex12_1.sce new file mode 100755 index 000000000..116ea22b2 --- /dev/null +++ b/3159/CH12/EX12.1/Ex12_1.sce @@ -0,0 +1,11 @@ +// Estimate fracture strength
+clc
+c = 2 // crack of half length in micro meter
+Y = 70 // young’s modulus in GN m^-2
+Gamma = 1 // specific surface energy
+printf("\n Example 12.1")
+sigma_f = sqrt(2*Gamma*Y*1e9/(%pi*c*1e-6))/1e6
+r = Y*1e3/sigma_f
+printf("\n Fracture strength of %d MN m^-2 is 1/%dth of young’s modulus. ",ceil(sigma_f),ceil(r/100)*100)
+printf("\n Thus Griffiths criterion bridges the gap between the \n observed and ideal strengths of brittle material")
+
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