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  1. {
  2. "cells": [
  3. {
  4. "cell_type": "code",
  5. "execution_count": 130,
  6. "metadata": {},
  7. "outputs": [],
  8. "source": [
  9. "#1 Loading functions and modules\n",
  10. "from fenics import *\n",
  11. "import matplotlib.pyplot as plt\n",
  12. "T = 0.1\n",
  13. "num_steps = 10\n",
  14. "dt = T/num_steps\n",
  15. "rho = 7500\n",
  16. "Cp = 500\n",
  17. "k = 50\n",
  18. "alpha = k/(rho*Cp)"
  19. ]
  20. },
  21. {
  22. "cell_type": "code",
  23. "execution_count": 131,
  24. "metadata": {},
  25. "outputs": [
  26. {
  27. "data": {
  28. "image/png": "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
  29. "text/plain": [
  30. "<Figure size 432x288 with 1 Axes>"
  31. ]
  32. },
  33. "metadata": {
  34. "needs_background": "light"
  35. },
  36. "output_type": "display_data"
  37. }
  38. ],
  39. "source": [
  40. "#2 Create mesh and define function space\n",
  41. "nx = 0.008\n",
  42. "ny = 0.003\n",
  43. "mesh = RectangleMesh(Point(0,0),Point(nx,ny),30, 30,'left')\n",
  44. "V = FunctionSpace(mesh, 'Lagrange', 1) #Lagrange are triangular elements\n",
  45. "plot(mesh)\n",
  46. "plt.show()\n"
  47. ]
  48. },
  49. {
  50. "cell_type": "code",
  51. "execution_count": 132,
  52. "metadata": {},
  53. "outputs": [],
  54. "source": [
  55. "# Boundary conditions\n",
  56. "u0 = Constant(100)\n",
  57. "def boundary(x, on_boundary):\n",
  58. " return on_boundary\n",
  59. "\n",
  60. "bc = DirichletBC(V,u0, boundary)"
  61. ]
  62. },
  63. {
  64. "cell_type": "code",
  65. "execution_count": 133,
  66. "metadata": {},
  67. "outputs": [
  68. {
  69. "data": {
  70. "text/plain": [
  71. "Coefficient(FunctionSpace(Mesh(VectorElement(FiniteElement('Lagrange', triangle, 1), dim=2), 10356), FiniteElement('Lagrange', triangle, 1)), 10369)"
  72. ]
  73. },
  74. "execution_count": 133,
  75. "metadata": {},
  76. "output_type": "execute_result"
  77. }
  78. ],
  79. "source": [
  80. "u_n = project(1, V)\n",
  81. "u = TrialFunction(V)\n",
  82. "v = TestFunction(V)\n",
  83. "f = Constant(0.0)\n",
  84. "F = u*v*dx + alpha*dt*dot(grad(u), grad(v))*dx-u_n*v*dx\n",
  85. "a, L = lhs(F), rhs(F)\n",
  86. "u_n"
  87. ]
  88. },
  89. {
  90. "cell_type": "code",
  91. "execution_count": 134,
  92. "metadata": {},
  93. "outputs": [
  94. {
  95. "data": {
  96. "image/png": "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
  97. "text/plain": [
  98. "<Figure size 432x288 with 2 Axes>"
  99. ]
  100. },
  101. "metadata": {
  102. "needs_background": "light"
  103. },
  104. "output_type": "display_data"
  105. },
  106. {
  107. "data": {
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  109. "text/plain": [
  110. "<Figure size 432x288 with 2 Axes>"
  111. ]
  112. },
  113. "metadata": {
  114. "needs_background": "light"
  115. },
  116. "output_type": "display_data"
  117. },
  118. {
  119. "data": {
  120. "image/png": "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
  121. "text/plain": [
  122. "<Figure size 432x288 with 2 Axes>"
  123. ]
  124. },
  125. "metadata": {
  126. "needs_background": "light"
  127. },
  128. "output_type": "display_data"
  129. },
  130. {
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  133. "text/plain": [
  134. "<Figure size 432x288 with 2 Axes>"
  135. ]
  136. },
  137. "metadata": {
  138. "needs_background": "light"
  139. },
  140. "output_type": "display_data"
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  145. "text/plain": [
  146. "<Figure size 432x288 with 2 Axes>"
  147. ]
  148. },
  149. "metadata": {
  150. "needs_background": "light"
  151. },
  152. "output_type": "display_data"
  153. },
  154. {
  155. "data": {
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  157. "text/plain": [
  158. "<Figure size 432x288 with 2 Axes>"
  159. ]
  160. },
  161. "metadata": {
  162. "needs_background": "light"
  163. },
  164. "output_type": "display_data"
  165. },
  166. {
  167. "data": {
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  169. "text/plain": [
  170. "<Figure size 432x288 with 2 Axes>"
  171. ]
  172. },
  173. "metadata": {
  174. "needs_background": "light"
  175. },
  176. "output_type": "display_data"
  177. },
  178. {
  179. "data": {
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  181. "text/plain": [
  182. "<Figure size 432x288 with 2 Axes>"
  183. ]
  184. },
  185. "metadata": {
  186. "needs_background": "light"
  187. },
  188. "output_type": "display_data"
  189. },
  190. {
  191. "data": {
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  193. "text/plain": [
  194. "<Figure size 432x288 with 2 Axes>"
  195. ]
  196. },
  197. "metadata": {
  198. "needs_background": "light"
  199. },
  200. "output_type": "display_data"
  201. },
  202. {
  203. "data": {
  204. "image/png": "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
  205. "text/plain": [
  206. "<Figure size 432x288 with 2 Axes>"
  207. ]
  208. },
  209. "metadata": {
  210. "needs_background": "light"
  211. },
  212. "output_type": "display_data"
  213. }
  214. ],
  215. "source": [
  216. "u = Function(V)\n",
  217. "t = 0\n",
  218. "for n in range(num_steps):\n",
  219. " t += dt\n",
  220. " #u0.t = t\n",
  221. " solve(a == L, u, bc)\n",
  222. " c = plot(u,)\n",
  223. " plt.colorbar(c)\n",
  224. " plt.show()\n",
  225. " u_n.assign(u)"
  226. ]
  227. },
  228. {
  229. "cell_type": "code",
  230. "execution_count": null,
  231. "metadata": {},
  232. "outputs": [],
  233. "source": []
  234. },
  235. {
  236. "cell_type": "code",
  237. "execution_count": null,
  238. "metadata": {},
  239. "outputs": [],
  240. "source": []
  241. }
  242. ],
  243. "metadata": {
  244. "kernelspec": {
  245. "display_name": "Python 3",
  246. "language": "python",
  247. "name": "python3"
  248. },
  249. "language_info": {
  250. "codemirror_mode": {
  251. "name": "ipython",
  252. "version": 3
  253. },
  254. "file_extension": ".py",
  255. "mimetype": "text/x-python",
  256. "name": "python",
  257. "nbconvert_exporter": "python",
  258. "pygments_lexer": "ipython3",
  259. "version": "3.6.7"
  260. }
  261. },
  262. "nbformat": 4,
  263. "nbformat_minor": 2
  264. }