/FiniteElasticity/UniAxialExtensionCompressible/src/UniAxialExtensionCompressibleExample.f90

http://github.com/xyan075/examples · Fortran Modern · 485 lines · 322 code · 67 blank · 96 comment · 0 complexity · dec403456a12b10f6d659ef0723c957e MD5 · raw file 

    

  1. !> \file
    2. 

  2. !> \author Chris Bradley
    3. 

  3. !> \brief This is an example program to solve a finite elasticity equation using openCMISS calls.
    4. 

  4. !>
    5. 

  5. !> \section LICENSE
    6. 

  6. !>
    7. 

  7. !> Version: MPL 1.1/GPL 2.0/LGPL 2.1
    8. 

  8. !>
    9. 

  9. !> The contents of this file are subject to the Mozilla Public License
    10. 

  10. !> Version 1.1 (the "License"); you may not use this file except in
    11. 

  11. !> compliance with the License. You may obtain a copy of the License at
    12. 

  12. !> http://www.mozilla.org/MPL/
    13. 

  13. !>
    14. 

  14. !> Software distributed under the License is distributed on an "AS IS"
    15. 

  15. !> basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
    16. 

  16. !> License for the specific language governing rights and limitations
    17. 

  17. !> under the License.
    18. 

  18. !>
    19. 

  19. !> The Original Code is openCMISS
    20. 

  20. !>
    21. 

  21. !> The Initial Developer of the Original Code is University of Auckland,
    22. 

  22. !> Auckland, New Zealand and University of Oxford, Oxford, United
    23. 

  23. !> Kingdom. Portions created by the University of Auckland and University
    24. 

  24. !> of Oxford are Copyright (C) 2007 by the University of Auckland and
    25. 

  25. !> the University of Oxford. All Rights Reserved.
    26. 

  26. !>
    27. 

  27. !> Contributor(s): Kumar Mithraratne, Adam Reeve
    28. 

  28. !>
    29. 

  29. !> Alternatively, the contents of this file may be used under the terms of
    30. 

  30. !> either the GNU General Public License Version 2 or later (the "GPL"), or
    31. 

  31. !> the GNU Lesser General Public License Version 2.1 or later (the "LGPL"),
    32. 

  32. !> in which case the provisions of the GPL or the LGPL are applicable instead
    33. 

  33. !> of those above. If you wish to allow use of your version of this file only
    34. 

  34. !> under the terms of either the GPL or the LGPL, and not to allow others to
    35. 

  35. !> use your version of this file under the terms of the MPL, indicate your
    36. 

  36. !> decision by deleting the provisions above and replace them with the notice
    37. 

  37. !> and other provisions required by the GPL or the LGPL. If you do not delete
    38. 

  38. !> the provisions above, a recipient may use your version of this file under
    39. 

  39. !> the terms of any one of the MPL, the GPL or the LGPL.
    40. 

  40. !>
    41. 

  41. 

  42. !> \example FiniteElasticity/UniAxialExtension/src/UniAxialExtensionExample.f90
    43. 

  43. !! Example program to solve a finite elasticity equation using openCMISS calls.
    44. 

  44. !! \par Latest Builds:
    45. 

  45. !! \li <a href='http://autotest.bioeng.auckland.ac.nz/opencmiss-build/logs_x86_64-linux/FiniteElasticity/UniAxialExtension/build-intel'>Linux Intel Build</a>
    46. 

  46. !! \li <a href='http://autotest.bioeng.auckland.ac.nz/opencmiss-build/logs_x86_64-linux/FiniteElasticity/UniAxialExtension/build-gnu'>Linux GNU Build</a>
    47. 

  47. !<
    48. 

  48. 

  49. !> Main program
    50. 

  50. PROGRAM UNIAXIALEXTENSIONEXAMPLE
    51. 

  51. 

  52.   USE OPENCMISS
    53. 

  53.   USE MPI
    54. 

  54. 

  55. #ifdef WIN32
    56. 

  56.   USE IFQWIN
    57. 

  57. #endif
    58. 

  58. 

  59.   IMPLICIT NONE
    60. 

  60. 

  61.   !Test program parameters
    62. 

  62. 

  63.   REAL(CMISSDP), PARAMETER :: HEIGHT=1.0_CMISSDP
    64. 

  64.   REAL(CMISSDP), PARAMETER :: WIDTH=1.0_CMISSDP
    65. 

  65.   REAL(CMISSDP), PARAMETER :: LENGTH=1.0_CMISSDP
    66. 

  66. 

  67.   INTEGER(CMISSIntg), PARAMETER :: CoordinateSystemUserNumber=1
    68. 

  68.   INTEGER(CMISSIntg), PARAMETER :: NumberOfSpatialCoordinates=3
    69. 

  69.   INTEGER(CMISSIntg), PARAMETER :: RegionUserNumber=1
    70. 

  70.   INTEGER(CMISSIntg), PARAMETER :: BasisUserNumber=1
    71. 

  71.   INTEGER(CMISSIntg), PARAMETER :: MeshUserNumber=1
    72. 

  72.   INTEGER(CMISSIntg), PARAMETER :: DecompositionUserNumber=1
    73. 

  73. 

  74.   INTEGER(CMISSIntg), PARAMETER :: NumberOfXiCoordinates=3
    75. 

  75.   INTEGER(CMISSIntg), PARAMETER :: TotalNumberOfNodes=8
    76. 

  76.   INTEGER(CMISSIntg), PARAMETER :: NumberOfMeshDimensions=3
    77. 

  77.   INTEGER(CMISSIntg), PARAMETER :: NumberOfMeshComponents=1
    78. 

  78.   INTEGER(CMISSIntg), PARAMETER :: TotalNumberOfElements=1
    79. 

  79.   INTEGER(CMISSIntg), PARAMETER :: MeshComponentNumber=1
    80. 

  80. 

  81.   INTEGER(CMISSIntg), PARAMETER :: FieldGeometryUserNumber=1
    82. 

  82.   INTEGER(CMISSIntg), PARAMETER :: FieldGeometryNumberOfVariables=1
    83. 

  83.   INTEGER(CMISSIntg), PARAMETER :: FieldGeometryNumberOfComponents=3
    84. 

  84. 

  85.   INTEGER(CMISSIntg), PARAMETER :: FieldFibreUserNumber=2
    86. 

  86.   INTEGER(CMISSIntg), PARAMETER :: FieldFibreNumberOfVariables=1
    87. 

  87.   INTEGER(CMISSIntg), PARAMETER :: FieldFibreNumberOfComponents=3
    88. 

  88. 

  89.   INTEGER(CMISSIntg), PARAMETER :: FieldMaterialUserNumber=3
    90. 

  90.   INTEGER(CMISSIntg), PARAMETER :: FieldMaterialNumberOfVariables=1
    91. 

  91.   INTEGER(CMISSIntg), PARAMETER :: FieldMaterialNumberOfComponents=3
    92. 

  92. 

  93.   INTEGER(CMISSIntg), PARAMETER :: FieldDependentUserNumber=4
    94. 

  94.   INTEGER(CMISSIntg), PARAMETER :: FieldDependentNumberOfVariables=2
    95. 

  95.   INTEGER(CMISSIntg), PARAMETER :: FieldDependentNumberOfComponents=3
    96. 

  96. 

  97.   INTEGER(CMISSIntg), PARAMETER :: EquationSetUserNumber=1
    98. 

  98.   INTEGER(CMISSIntg), PARAMETER :: EquationsSetFieldUserNumber=13
    99. 

  99.   INTEGER(CMISSIntg), PARAMETER :: ProblemUserNumber=1
    100. 

  100. 

  101.   !Program types
    102. 

  102. 

  103. 

  104.   !Program variables
    105. 

  105. 

  106.   INTEGER(CMISSIntg) :: NumberGlobalXElements,NumberGlobalYElements,NumberGlobalZElements
    107. 

  107.   INTEGER(CMISSIntg) :: MPI_IERROR
    108. 

  108.   INTEGER(CMISSIntg) :: EquationsSetIndex  
    109. 

  109.   INTEGER(CMISSIntg) :: NumberOfComputationalNodes,NumberOfDomains,ComputationalNodeNumber
    110. 

  110. 

  111.   !CMISS variables
    112. 

  112. 

  113.   TYPE(CMISSBasisType) :: Basis
    114. 

  114.   TYPE(CMISSBoundaryConditionsType) :: BoundaryConditions
    115. 

  115.   TYPE(CMISSCoordinateSystemType) :: CoordinateSystem, WorldCoordinateSystem
    116. 

  116.   TYPE(CMISSMeshType) :: Mesh
    117. 

  117.   TYPE(CMISSDecompositionType) :: Decomposition
    118. 

  118.   TYPE(CMISSEquationsType) :: Equations
    119. 

  119.   TYPE(CMISSEquationsSetType) :: EquationsSet
    120. 

  120.   TYPE(CMISSFieldType) :: GeometricField,FibreField,MaterialField,DependentField,EquationsSetField
    121. 

  121.   TYPE(CMISSFieldsType) :: Fields
    122. 

  122.   TYPE(CMISSProblemType) :: Problem
    123. 

  123.   TYPE(CMISSRegionType) :: Region,WorldRegion
    124. 

  124.   TYPE(CMISSSolverType) :: Solver
    125. 

  125.   TYPE(CMISSSolverEquationsType) :: SolverEquations
    126. 

  126.   TYPE(CMISSNodesType) :: Nodes
    127. 

  127.   TYPE(CMISSMeshElementsType) :: Elements
    128. 

  128. 

  129.   !REAL(CMISSDP), POINTER :: FieldData(:)
    130. 

  130. 

  131. #ifdef WIN32
    132. 

  132.   !Quickwin type
    133. 

  133.   LOGICAL :: QUICKWIN_STATUS=.FALSE.
    134. 

  134.   TYPE(WINDOWCONFIG) :: QUICKWIN_WINDOW_CONFIG
    135. 

  135. #endif
    136. 

  136. 

  137.   !Generic CMISS variables
    138. 

  138.   INTEGER(CMISSIntg) :: Err
    139. 

  139. 

  140. #ifdef WIN32
    141. 

  141.   !Initialise QuickWin
    142. 

  142.   QUICKWIN_WINDOW_CONFIG%TITLE="General Output" !Window title
    143. 

  143.   QUICKWIN_WINDOW_CONFIG%NUMTEXTROWS=-1 !Max possible number of rows
    144. 

  144.   QUICKWIN_WINDOW_CONFIG%MODE=QWIN$SCROLLDOWN
    145. 

  145.   !Set the window parameters
    146. 

  146.   QUICKWIN_STATUS=SETWINDOWCONFIG(QUICKWIN_WINDOW_CONFIG)
    147. 

  147.   !If attempt fails set with system estimated values
    148. 

  148.   IF(.NOT.QUICKWIN_STATUS) QUICKWIN_STATUS=SETWINDOWCONFIG(QUICKWIN_WINDOW_CONFIG)
    149. 

  149. #endif
    150. 

  150. 

  151.   !Intialise cmiss
    152. 

  152.   CALL CMISSInitialise(WorldCoordinateSystem,WorldRegion,Err)
    153. 

  153. 

  154.   CALL CMISSErrorHandlingModeSet(CMISS_ERRORS_TRAP_ERROR,Err)
    155. 

  155. 

  156.   WRITE(*,'(A)') "Program starting."
    157. 

  157. 

  158.   !Set all diganostic levels on for testing
    159. 

  159.   CALL CMISSDiagnosticsSetOn(CMISS_FROM_DIAG_TYPE,(/1,2,3,4,5/),"Diagnostics",(/"PROBLEM_FINITE_ELEMENT_CALCULATE"/),Err)
    160. 

  160. 

  161.   !Get the number of computational nodes and this computational node number
    162. 

  162.   CALL CMISSComputationalNumberOfNodesGet(NumberOfComputationalNodes,Err)
    163. 

  163.   CALL CMISSComputationalNodeNumberGet(ComputationalNodeNumber,Err)
    164. 

  164. 

  165.   NumberGlobalXElements=1
    166. 

  166.   NumberGlobalYElements=1
    167. 

  167.   NumberGlobalZElements=1   
    168. 

  168.   NumberOfDomains=1
    169. 

  169. 

  170.   !Broadcast the number of elements in the X,Y and Z directions and the number of partitions to the other computational nodes
    171. 

  171.   CALL MPI_BCAST(NumberGlobalXElements,1,MPI_INTEGER,0,MPI_COMM_WORLD,MPI_IERROR)
    172. 

  172.   CALL MPI_BCAST(NumberGlobalYElements,1,MPI_INTEGER,0,MPI_COMM_WORLD,MPI_IERROR)
    173. 

  173.   CALL MPI_BCAST(NumberGlobalZElements,1,MPI_INTEGER,0,MPI_COMM_WORLD,MPI_IERROR)
    174. 

  174.   CALL MPI_BCAST(NumberOfDomains,1,MPI_INTEGER,0,MPI_COMM_WORLD,MPI_IERROR)
    175. 

  175. 

  176.   !Create a CS - default is 3D rectangular cartesian CS with 0,0,0 as origin
    177. 

  177.   CALL CMISSCoordinateSystem_Initialise(CoordinateSystem,Err)
    178. 

  178.   CALL CMISSCoordinateSystem_CreateStart(CoordinateSystemUserNumber,CoordinateSystem,Err)
    179. 

  179.   CALL CMISSCoordinateSystem_TypeSet(CoordinateSystem,CMISS_COORDINATE_RECTANGULAR_CARTESIAN_TYPE,Err)
    180. 

  180.   CALL CMISSCoordinateSystem_DimensionSet(CoordinateSystem,NumberOfSpatialCoordinates,Err)
    181. 

  181.   CALL CMISSCoordinateSystem_OriginSet(CoordinateSystem,(/0.0_CMISSDP,0.0_CMISSDP,0.0_CMISSDP/),Err)
    182. 

  182.   CALL CMISSCoordinateSystem_CreateFinish(CoordinateSystem,Err)
    183. 

  183. 

  184.   !Create a region and assign the CS to the region
    185. 

  185.   CALL CMISSRegion_Initialise(Region,Err)
    186. 

  186.   CALL CMISSRegion_CreateStart(RegionUserNumber,WorldRegion,Region,Err)
    187. 

  187.   CALL CMISSRegion_CoordinateSystemSet(Region,CoordinateSystem,Err)
    188. 

  188.   CALL CMISSRegion_CreateFinish(Region,Err)
    189. 

  189. 

  190.   !Define basis function - tri-linear Lagrange  
    191. 

  191.   CALL CMISSBasis_Initialise(Basis,Err)
    192. 

  192.   CALL CMISSBasis_CreateStart(BasisUserNumber,Basis,Err) 
    193. 

  193.   CALL CMISSBasis_TypeSet(Basis,CMISS_BASIS_LAGRANGE_HERMITE_TP_TYPE,Err)
    194. 

  194.   CALL CMISSBasis_NumberOfXiSet(Basis,NumberOfXiCoordinates,Err)
    195. 

  195.   CALL CMISSBasis_InterpolationXiSet(Basis,(/CMISS_BASIS_LINEAR_LAGRANGE_INTERPOLATION, &
    196. 

  196.     & CMISS_BASIS_LINEAR_LAGRANGE_INTERPOLATION,CMISS_BASIS_LINEAR_LAGRANGE_INTERPOLATION/),Err)
    197. 

  197.   CALL CMISSBasis_QuadratureNumberOfGaussXiSet(Basis, &
    198. 

  198.     & (/CMISS_BASIS_MID_QUADRATURE_SCHEME,CMISS_BASIS_MID_QUADRATURE_SCHEME,CMISS_BASIS_MID_QUADRATURE_SCHEME/),Err)  
    199. 

  199.   CALL CMISSBasis_CreateFinish(Basis,Err)
    200. 

  200. 

  201.   !Create a mesh
    202. 

  202.   CALL CMISSMesh_Initialise(Mesh,Err)
    203. 

  203.   CALL CMISSMesh_CreateStart(MeshUserNumber,Region,NumberOfMeshDimensions,Mesh,Err)    
    204. 

  204. 

  205.   CALL CMISSMesh_NumberOfComponentsSet(Mesh,NumberOfMeshComponents,Err) 
    206. 

  206.   CALL CMISSMesh_NumberOfElementsSet(Mesh,TotalNumberOfElements,Err)  
    207. 

  207. 

  208.   !Define nodes for the mesh
    209. 

  209.   CALL CMISSNodes_Initialise(Nodes,Err)
    210. 

  210.   CALL CMISSNodes_CreateStart(Region,TotalNumberOfNodes,Nodes,Err)
    211. 

  211.   CALL CMISSNodes_CreateFinish(Nodes,Err)
    212. 

  212. 

  213.   CALL CMISSMeshElements_Initialise(Elements,Err)
    214. 

  214.   CALL CMISSMeshElements_CreateStart(Mesh,MeshComponentNumber,Basis,Elements,Err)
    215. 

  215.   CALL CMISSMeshElements_NodesSet(Elements,1,(/1,2,3,4,5,6,7,8/),Err)
    216. 

  216.   CALL CMISSMeshElements_CreateFinish(Elements,Err)
    217. 

  217. 

  218.   CALL CMISSMesh_CreateFinish(Mesh,Err) 
    219. 

  219. 

  220.   !Create a decomposition
    221. 

  221.   CALL CMISSDecomposition_Initialise(Decomposition,Err)
    222. 

  222.   CALL CMISSDecomposition_CreateStart(DecompositionUserNumber,Mesh,Decomposition,Err)
    223. 

  223.   CALL CMISSDecomposition_TypeSet(Decomposition,CMISS_DECOMPOSITION_CALCULATED_TYPE,Err)
    224. 

  224.   CALL CMISSDecomposition_NumberOfDomainsSet(Decomposition,NumberOfDomains,Err)
    225. 

  225.   CALL CMISSDecomposition_CreateFinish(Decomposition,Err)
    226. 

  226. 

  227.   !Create a field to put the geometry (defualt is geometry)
    228. 

  228.   CALL CMISSField_Initialise(GeometricField,Err)
    229. 

  229.   CALL CMISSField_CreateStart(FieldGeometryUserNumber,Region,GeometricField,Err)
    230. 

  230.   CALL CMISSField_MeshDecompositionSet(GeometricField,Decomposition,Err)
    231. 

  231.   CALL CMISSField_TypeSet(GeometricField,CMISS_FIELD_GEOMETRIC_TYPE,Err)  
    232. 

  232.   CALL CMISSField_NumberOfVariablesSet(GeometricField,FieldGeometryNumberOfVariables,Err)
    233. 

  233.   CALL CMISSField_NumberOfComponentsSet(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,FieldGeometryNumberOfComponents,Err)  
    234. 

  234.   CALL CMISSField_ComponentMeshComponentSet(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,1,MeshComponentNumber,Err)
    235. 

  235.   CALL CMISSField_ComponentMeshComponentSet(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,2,MeshComponentNumber,Err)
    236. 

  236.   CALL CMISSField_ComponentMeshComponentSet(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,3,MeshComponentNumber,Err)
    237. 

  237.   CALL CMISSField_CreateFinish(GeometricField,Err)
    238. 

  238. 

  239.   !node 1
    240. 

  240.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,1,1, &
    241. 

  241.     & 0.0_CMISSDP,Err)
    242. 

  242.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,1,2, &
    243. 

  243.     & 0.0_CMISSDP,Err)
    244. 

  244.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,1,3, &
    245. 

  245.     & 0.0_CMISSDP,Err)
    246. 

  246.   !node 2
    247. 

  247.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,2,1, &
    248. 

  248.     & 1.0_CMISSDP,Err)
    249. 

  249.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,2,2, &
    250. 

  250.     & 0.0_CMISSDP,Err)
    251. 

  251.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,2,3, &
    252. 

  252.     & 0.0_CMISSDP,Err)
    253. 

  253.   !node 3
    254. 

  254.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,3,1, &
    255. 

  255.     & 0.0_CMISSDP,Err)
    256. 

  256.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,3,2, &
    257. 

  257.     & 1.0_CMISSDP,Err)
    258. 

  258.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,3,3, &
    259. 

  259.     & 0.0_CMISSDP,Err)
    260. 

  260.   !node 4
    261. 

  261.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,4,1, &
    262. 

  262.     & 1.0_CMISSDP,Err)
    263. 

  263.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,4,2, &
    264. 

  264.     & 1.0_CMISSDP,Err)
    265. 

  265.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,4,3, &
    266. 

  266.     & 0.0_CMISSDP,Err)
    267. 

  267.   !node 5
    268. 

  268.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,5,1, &
    269. 

  269.     & 0.0_CMISSDP,Err)
    270. 

  270.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,5,2, &
    271. 

  271.     & 0.0_CMISSDP,Err)
    272. 

  272.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,5,3, &
    273. 

  273.     & 1.0_CMISSDP,Err)
    274. 

  274.   !node 6
    275. 

  275.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,6,1, &
    276. 

  276.     & 1.0_CMISSDP,Err)
    277. 

  277.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,6,2, &
    278. 

  278.     & 0.0_CMISSDP,Err)
    279. 

  279.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,6,3, &
    280. 

  280.     & 1.0_CMISSDP,Err)
    281. 

  281.   !node 7
    282. 

  282.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,7,1, &
    283. 

  283.     & 0.0_CMISSDP,Err)
    284. 

  284.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,7,2, &
    285. 

  285.     & 1.0_CMISSDP,Err)
    286. 

  286.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,7,3, &
    287. 

  287.     & 1.0_CMISSDP,Err)
    288. 

  288.   !node 8
    289. 

  289.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,8,1, &
    290. 

  290.     & 1.0_CMISSDP,Err)
    291. 

  291.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,8,2, &
    292. 

  292.     & 1.0_CMISSDP,Err)
    293. 

  293.   CALL CMISSField_ParameterSetUpdateNode(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,1,8,3, &
    294. 

  294.     & 1.0_CMISSDP,Err)
    295. 

  295. 

  296.   !Create a fibre field and attach it to the geometric field  
    297. 

  297.   CALL CMISSField_Initialise(FibreField,Err)
    298. 

  298.   CALL CMISSField_CreateStart(FieldFibreUserNumber,Region,FibreField,Err)
    299. 

  299.   CALL CMISSField_TypeSet(FibreField,CMISS_FIELD_FIBRE_TYPE,Err)
    300. 

  300.   CALL CMISSField_MeshDecompositionSet(FibreField,Decomposition,Err)        
    301. 

  301.   CALL CMISSField_GeometricFieldSet(FibreField,GeometricField,Err)
    302. 

  302.   CALL CMISSField_NumberOfVariablesSet(FibreField,FieldFibreNumberOfVariables,Err)
    303. 

  303.   CALL CMISSField_NumberOfComponentsSet(FibreField,CMISS_FIELD_U_VARIABLE_TYPE,FieldFibreNumberOfComponents,Err)  
    304. 

  304.   CALL CMISSField_ComponentMeshComponentSet(FibreField,CMISS_FIELD_U_VARIABLE_TYPE,1,MeshComponentNumber,Err)
    305. 

  305.   CALL CMISSField_ComponentMeshComponentSet(FibreField,CMISS_FIELD_U_VARIABLE_TYPE,2,MeshComponentNumber,Err)
    306. 

  306.   CALL CMISSField_ComponentMeshComponentSet(FibreField,CMISS_FIELD_U_VARIABLE_TYPE,3,MeshComponentNumber,Err)
    307. 

  307.   CALL CMISSField_CreateFinish(FibreField,Err)
    308. 

  308. 

  309.   !Create a material field and attach it to the geometric field  
    310. 

  310.   CALL CMISSField_Initialise(MaterialField,Err)
    311. 

  311.   CALL CMISSField_CreateStart(FieldMaterialUserNumber,Region,MaterialField,Err)
    312. 

  312.   CALL CMISSField_TypeSet(MaterialField,CMISS_FIELD_MATERIAL_TYPE,Err)
    313. 

  313.   CALL CMISSField_MeshDecompositionSet(MaterialField,Decomposition,Err)        
    314. 

  314.   CALL CMISSField_GeometricFieldSet(MaterialField,GeometricField,Err)
    315. 

  315.   CALL CMISSField_NumberOfVariablesSet(MaterialField,FieldMaterialNumberOfVariables,Err)
    316. 

  316.   CALL CMISSField_NumberOfComponentsSet(MaterialField,CMISS_FIELD_U_VARIABLE_TYPE,FieldMaterialNumberOfComponents,Err)  
    317. 

  317.   CALL CMISSField_ComponentMeshComponentSet(MaterialField,CMISS_FIELD_U_VARIABLE_TYPE,1,MeshComponentNumber,Err)
    318. 

  318.   CALL CMISSField_ComponentMeshComponentSet(MaterialField,CMISS_FIELD_U_VARIABLE_TYPE,2,MeshComponentNumber,Err)
    319. 

  319.   CALL CMISSField_ComponentMeshComponentSet(MaterialField,CMISS_FIELD_U_VARIABLE_TYPE,3,MeshComponentNumber,Err)
    320. 

  320.   CALL CMISSField_CreateFinish(MaterialField,Err)
    321. 

  321. 

  322.   !Set Mooney-Rivlin constants c10 and c01 to 2.0 and 6.0 respectively.
    323. 

  323.   CALL CMISSField_ComponentValuesInitialise(MaterialField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,2.0_CMISSDP,Err)
    324. 

  324.   CALL CMISSField_ComponentValuesInitialise(MaterialField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,2,6.0_CMISSDP,Err)
    325. 

  325.   CALL CMISSField_ComponentValuesInitialise(MaterialField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,3,1.0e7_CMISSDP, &
    326. 

  326.     & Err)
    327. 

  327. 

  328.   !Create a dependent field with two variables and four components
    329. 

  329.   CALL CMISSField_Initialise(DependentField,Err)
    330. 

  330.   CALL CMISSField_CreateStart(FieldDependentUserNumber,Region,DependentField,Err)
    331. 

  331.   CALL CMISSField_TypeSet(DependentField,CMISS_FIELD_GENERAL_TYPE,Err)  
    332. 

  332.   CALL CMISSField_MeshDecompositionSet(DependentField,Decomposition,Err)
    333. 

  333.   CALL CMISSField_GeometricFieldSet(DependentField,GeometricField,Err) 
    334. 

  334.   CALL CMISSField_DependentTypeSet(DependentField,CMISS_FIELD_DEPENDENT_TYPE,Err) 
    335. 

  335.   CALL CMISSField_NumberOfVariablesSet(DependentField,FieldDependentNumberOfVariables,Err)
    336. 

  336.   CALL CMISSField_NumberOfComponentsSet(DependentField,CMISS_FIELD_U_VARIABLE_TYPE,FieldDependentNumberOfComponents,Err)
    337. 

  337.   CALL CMISSField_NumberOfComponentsSet(DependentField,CMISS_FIELD_DELUDELN_VARIABLE_TYPE,FieldDependentNumberOfComponents,Err)
    338. 

  338.   CALL CMISSField_ComponentMeshComponentSet(DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,MeshComponentNumber,Err)
    339. 

  339.   CALL CMISSField_ComponentMeshComponentSet(DependentField,CMISS_FIELD_U_VARIABLE_TYPE,2,MeshComponentNumber,Err)
    340. 

  340.   CALL CMISSField_ComponentMeshComponentSet(DependentField,CMISS_FIELD_U_VARIABLE_TYPE,3,MeshComponentNumber,Err)  
    341. 

  341.   !CALL CMISSField_ComponentInterpolationSet(DependentField,CMISS_FIELD_U_VARIABLE_TYPE,4,CMISS_FIELD_ELEMENT_BASED_INTERPOLATION,Err)
    342. 

  342.   CALL CMISSField_ComponentMeshComponentSet(DependentField,CMISS_FIELD_DELUDELN_VARIABLE_TYPE,1,MeshComponentNumber,Err)
    343. 

  343.   CALL CMISSField_ComponentMeshComponentSet(DependentField,CMISS_FIELD_DELUDELN_VARIABLE_TYPE,2,MeshComponentNumber,Err)
    344. 

  344.   CALL CMISSField_ComponentMeshComponentSet(DependentField,CMISS_FIELD_DELUDELN_VARIABLE_TYPE,3,MeshComponentNumber,Err)  
    345. 

  345.   !CALL CMISSField_ComponentInterpolationSet(DependentField,CMISS_FIELD_DELUDELN_VARIABLE_TYPE,4,CMISS_FIELD_ELEMENT_BASED_INTERPOLATION,Err)
    346. 

  346.   CALL CMISSField_CreateFinish(DependentField,Err)  
    347. 

  347. 

  348.   !Create the equations_set
    349. 

  349.   CALL CMISSField_Initialise(EquationsSetField,Err)
    350. 

  350.   CALL CMISSEquationsSet_Initialise(EquationsSet,Err)
    351. 

  351.   CALL CMISSEquationsSet_CreateStart(EquationSetUserNumber,Region,FibreField,CMISS_EQUATIONS_SET_ELASTICITY_CLASS, &
    352. 

  352.     & CMISS_EQUATIONS_SET_FINITE_ELASTICITY_TYPE,CMISS_EQUATIONS_SET_COMPRESSIBLE_FINITE_ELASTICITY_SUBTYPE, &
    353. 

  353.       & EquationsSetFieldUserNumber,&
    354. 

  354.     & EquationsSetField,EquationsSet,Err)
    355. 

  355.   CALL CMISSEquationsSet_CreateFinish(EquationsSet,Err)
    356. 

  356. 

  357.   CALL CMISSEquationsSet_DependentCreateStart(EquationsSet,FieldDependentUserNumber,DependentField,Err) 
    358. 

  358.   CALL CMISSEquationsSet_DependentCreateFinish(EquationsSet,Err)
    359. 

  359. 

  360.   CALL CMISSEquationsSet_MaterialsCreateStart(EquationsSet,FieldMaterialUserNumber,MaterialField,Err)  
    361. 

  361.   CALL CMISSEquationsSet_MaterialsCreateFinish(EquationsSet,Err)
    362. 

  362. 

  363.   !Create the equations set equations
    364. 

  364.   CALL CMISSEquations_Initialise(Equations,Err)
    365. 

  365.   CALL CMISSEquationsSet_EquationsCreateStart(EquationsSet,Equations,Err)
    366. 

  366.   CALL CMISSEquations_SparsityTypeSet(Equations,CMISS_EQUATIONS_SPARSE_MATRICES,Err)
    367. 

  367.   CALL CMISSEquations_OutputTypeSet(Equations,CMISS_EQUATIONS_NO_OUTPUT,Err)
    368. 

  368.   CALL CMISSEquationsSet_EquationsCreateFinish(EquationsSet,Err)   
    369. 

  369. 

  370.   !Initialise dependent field from undeformed geometry and displacement bcs and set hydrostatic pressure
    371. 

  371.   CALL CMISSField_ParametersToFieldParametersComponentCopy(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE, &
    372. 

  372.     & 1,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,Err)
    373. 

  373.   CALL CMISSField_ParametersToFieldParametersComponentCopy(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE, &
    374. 

  374.     & 2,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,2,Err)
    375. 

  375.   CALL CMISSField_ParametersToFieldParametersComponentCopy(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE, &
    376. 

  376.     & 3,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,3,Err)
    377. 

  377.   !CALL CMISSField_ComponentValuesInitialise(DependentField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,4,-8.0_CMISSDP,Err)
    378. 

  378. 

  379.   !Define the problem
    380. 

  380.   CALL CMISSProblem_Initialise(Problem,Err)
    381. 

  381.   CALL CMISSProblem_CreateStart(ProblemUserNumber,Problem,Err)
    382. 

  382.   CALL CMISSProblem_SpecificationSet(Problem,CMISS_PROBLEM_ELASTICITY_CLASS,CMISS_PROBLEM_FINITE_ELASTICITY_TYPE, &
    383. 

  383.     & CMISS_PROBLEM_NO_SUBTYPE,Err)
    384. 

  384.   CALL CMISSProblem_CreateFinish(Problem,Err)
    385. 

  385. 

  386.   !Create the problem control loop
    387. 

  387.   CALL CMISSProblem_ControlLoopCreateStart(Problem,Err)
    388. 

  388.   CALL CMISSProblem_ControlLoopCreateFinish(Problem,Err)
    389. 

  389. 

  390.   !Create the problem solvers
    391. 

  391.   CALL CMISSSolver_Initialise(Solver,Err)
    392. 

  392.   CALL CMISSProblem_SolversCreateStart(Problem,Err)
    393. 

  393.   CALL CMISSProblem_SolverGet(Problem,CMISS_CONTROL_LOOP_NODE,1,Solver,Err)
    394. 

  394.   CALL CMISSSolver_OutputTypeSet(Solver,CMISS_SOLVER_PROGRESS_OUTPUT,Err)
    395. 

  395.   CALL CMISSSolver_NewtonJacobianCalculationTypeSet(Solver,CMISS_SOLVER_NEWTON_JACOBIAN_FD_CALCULATED,Err)
    396. 

  396.   CALL CMISSProblem_SolversCreateFinish(Problem,Err)
    397. 

  397. 

  398.   !Create the problem solver equations
    399. 

  399.   CALL CMISSSolver_Initialise(Solver,Err)
    400. 

  400.   CALL CMISSSolverEquations_Initialise(SolverEquations,Err)
    401. 

  401.   CALL CMISSProblem_SolverEquationsCreateStart(Problem,Err)   
    402. 

  402.   CALL CMISSProblem_SolverGet(Problem,CMISS_CONTROL_LOOP_NODE,1,Solver,Err)
    403. 

  403.   CALL CMISSSolver_SolverEquationsGet(Solver,SolverEquations,Err)
    404. 

  404.   CALL CMISSSolverEquations_SparsityTypeSet(SolverEquations,CMISS_SOLVER_SPARSE_MATRICES,Err)
    405. 

  405.   CALL CMISSSolverEquations_EquationsSetAdd(SolverEquations,EquationsSet,EquationsSetIndex,Err)
    406. 

  406.   CALL CMISSProblem_SolverEquationsCreateFinish(Problem,Err)
    407. 

  407. 

  408.   !Prescribe boundary conditions (absolute nodal parameters)
    409. 

  409.   CALL CMISSBoundaryConditions_Initialise(BoundaryConditions,Err)
    410. 

  410.   CALL CMISSSolverEquations_BoundaryConditionsCreateStart(SolverEquations,BoundaryConditions,Err)
    411. 

  411. 

  412.   !Fix nodes 1,3,5,7 at x=0 and nodes 2,4,6,8 at x=1.1
    413. 

  413.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,1,1, &
    414. 

  414.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    415. 

  415.     & 0.0_CMISSDP,Err)
    416. 

  416.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,2,1, &
    417. 

  417.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    418. 

  418.     & 1.1_CMISSDP,Err)
    419. 

  419.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,3,1, &
    420. 

  420.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    421. 

  421.     & 0.0_CMISSDP,Err)
    422. 

  422.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,4,1, &
    423. 

  423.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    424. 

  424.     & 1.1_CMISSDP,Err)
    425. 

  425.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,5,1, &
    426. 

  426.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    427. 

  427.     & 0.0_CMISSDP,Err)
    428. 

  428.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,6,1, &
    429. 

  429.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    430. 

  430.     & 1.1_CMISSDP,Err)
    431. 

  431.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,7,1, &
    432. 

  432.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    433. 

  433.     & 0.0_CMISSDP,Err)
    434. 

  434.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,8,1, &
    435. 

  435.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    436. 

  436.     & 1.1_CMISSDP,Err)
    437. 

  437. 

  438.   !Fix nodes 1,2,5,6 at y=0
    439. 

  439.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,1,2, &
    440. 

  440.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    441. 

  441.     & 0.0_CMISSDP,Err)
    442. 

  442.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,2,2, &
    443. 

  443.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    444. 

  444.     & 0.0_CMISSDP,Err)
    445. 

  445.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,5,2, &
    446. 

  446.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    447. 

  447.     & 0.0_CMISSDP,Err)
    448. 

  448.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,6,2, &
    449. 

  449.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    450. 

  450.     & 0.0_CMISSDP,Err)
    451. 

  451. 

  452.   !Fix nodes 1,2,3,4 at x=0
    453. 

  453.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,1,3, &
    454. 

  454.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    455. 

  455.     & 0.0_CMISSDP,Err)
    456. 

  456.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,2,3, &
    457. 

  457.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    458. 

  458.     & 0.0_CMISSDP,Err)
    459. 

  459.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,3,3, &
    460. 

  460.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    461. 

  461.     & 0.0_CMISSDP,Err)
    462. 

  462.   CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,4,3, &
    463. 

  463.     & CMISS_BOUNDARY_CONDITION_FIXED, &
    464. 

  464.     & 0.0_CMISSDP,Err)
    465. 

  465. 

  466.   CALL CMISSSolverEquations_BoundaryConditionsCreateFinish(SolverEquations,Err)
    467. 

  467. 

  468.   !Solve problem
    469. 

  469.   CALL CMISSProblem_Solve(Problem,Err)
    470. 

  470. 

  471.   !Output solution  
    472. 

  472.   CALL CMISSFields_Initialise(Fields,Err)
    473. 

  473.   CALL CMISSFields_Create(Region,Fields,Err)
    474. 

  474.   CALL CMISSFields_NodesExport(Fields,"UniaxialExtension","FORTRAN",Err)
    475. 

  475.   CALL CMISSFields_ElementsExport(Fields,"UniaxialExtension","FORTRAN",Err)
    476. 

  476.   CALL CMISSFields_Finalise(Fields,Err)
    477. 

  477. 

  478.   CALL CMISSFinalise(Err)
    479. 

  479. 

  480.   WRITE(*,'(A)') "Program successfully completed."
    481. 

  481. 

  482.   STOP
    483. 

  483. 

  484. END PROGRAM UNIAXIALEXTENSIONEXAMPLE
    485.