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| author | debashisdeb | 2014-06-20 15:42:42 +0530 |
|---|---|---|
| committer | debashisdeb | 2014-06-20 15:42:42 +0530 |
| commit | 83c1bfceb1b681b4bb7253b47491be2d8b2014a1 (patch) | |
| tree | f54eab21dd3d725d64a495fcd47c00d37abed004 /Materials_science_and_engineering_an_introduction/CH8.ipynb | |
| parent | a78126bbe4443e9526a64df9d8245c4af8843044 (diff) | |
| download | Python-Textbook-Companions-83c1bfceb1b681b4bb7253b47491be2d8b2014a1.tar.gz Python-Textbook-Companions-83c1bfceb1b681b4bb7253b47491be2d8b2014a1.tar.bz2 Python-Textbook-Companions-83c1bfceb1b681b4bb7253b47491be2d8b2014a1.zip | |
removing problem statements
Diffstat (limited to 'Materials_science_and_engineering_an_introduction/CH8.ipynb')
| -rw-r--r-- | Materials_science_and_engineering_an_introduction/CH8.ipynb | 11 |
1 files changed, 0 insertions, 11 deletions
diff --git a/Materials_science_and_engineering_an_introduction/CH8.ipynb b/Materials_science_and_engineering_an_introduction/CH8.ipynb index 682a584f..b5a32873 100644 --- a/Materials_science_and_engineering_an_introduction/CH8.ipynb +++ b/Materials_science_and_engineering_an_introduction/CH8.ipynb @@ -27,18 +27,13 @@ "cell_type": "code",
"collapsed": false,
"input": [
- "#Maximum Flaw Length Computation\n",
"\n",
- "#Given\n",
"sigma=40*10**6 # in Pa Tensile stress\n",
"E=69*10**9 #Modulus of elaticity in pa\n",
"Ys=0.3 #Specific surface energy in N/m**2\n",
"\n",
- "#Calculation\n",
- "#Maximum length of a surface flaw\n",
"a=2*E*Ys/(math.pi*sigma**2)\n",
"\n",
- "#Result\n",
"print\"Maximum lemgth of a surface flaw without fracture is \",round(a*10**6,1),\"micro m\"\n",
"\n"
],
@@ -67,19 +62,13 @@ "cell_type": "code",
"collapsed": false,
"input": [
- "#Rupture Lifetime Prediction\n",
"\n",
- "#Given\n",
"T=800.0+273.0 # Temperature in K\n",
"\n",
- "#Calculation\n",
"import math\n",
- "#From Graph of Fig. 8.32 Larson-Miller Parameter is deduced\n",
"L_M=24*10**3\n",
- "#math.log(t)=((L_M/T)-20)\n",
"t=math.pow(10,(L_M/T)-20)\n",
" \n",
- "#result\n",
"print\"Time to rupture is \",round(t,0),\"h\"\n",
"\n"
],
|