/FiniteElasticity/LargeUniAxialExtension/src/LargeUniAxialExtensionExample.f90

http://github.com/xyan075/examples · Fortran Modern · 451 lines · 304 code · 56 blank · 91 comment · 0 complexity · 263e6b65a48406ada2a237094bbd68d7 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/LargeUniAxialExtension/src/LargeUniAxialExtensionExample.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/LargeUniAxialExtension/build-intel'>Linux Intel Build</a>
    46. 

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

  47. !<
    48. 

  48. 

  49. !> Main program
    50. 

  50. PROGRAM LARGEUNIAXIALEXTENSIONEXAMPLE
    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.   INTEGER(CMISSIntg), PARAMETER :: EquationsSetFieldUserNumber=1337
    62. 

  62.   TYPE(CMISSFieldType) :: EquationsSetField
    63. 

  63. 

  64. 

  65.   !Test program parameters
    66. 

  66. 

  67.   REAL(CMISSDP), PARAMETER :: HEIGHT=1.0_CMISSDP
    68. 

  68.   REAL(CMISSDP), PARAMETER :: WIDTH=1.0_CMISSDP
    69. 

  69.   REAL(CMISSDP), PARAMETER :: LENGTH=1.0_CMISSDP
    70. 

  70.   INTEGER(CMISSIntg), PARAMETER :: InterpolationType=CMISS_BASIS_LINEAR_LAGRANGE_INTERPOLATION
    71. 

  71.   INTEGER(CMISSIntg), PARAMETER :: PressureInterpolationType=CMISS_BASIS_LINEAR_LAGRANGE_INTERPOLATION
    72. 

  72.   LOGICAL, PARAMETER :: UsePressureBasis=.FALSE.
    73. 

  73.   INTEGER(CMISSIntg), PARAMETER :: NumberOfGaussXi=2
    74. 

  74. 

  75.   INTEGER(CMISSIntg), PARAMETER :: CoordinateSystemUserNumber=1
    76. 

  76.   INTEGER(CMISSIntg), PARAMETER :: RegionUserNumber=1
    77. 

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

  78.   INTEGER(CMISSIntg), PARAMETER :: PressureBasisUserNumber=2
    79. 

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

  80.   INTEGER(CMISSIntg), PARAMETER :: MeshUserNumber=1
    81. 

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

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

  83.   INTEGER(CMISSIntg), PARAMETER :: FieldFibreUserNumber=2
    84. 

  84.   INTEGER(CMISSIntg), PARAMETER :: FieldMaterialUserNumber=3
    85. 

  85.   INTEGER(CMISSIntg), PARAMETER :: FieldDependentUserNumber=4
    86. 

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

  87.   INTEGER(CMISSIntg), PARAMETER :: ProblemUserNumber=1
    88. 

  88. 

  89.   !Program types
    90. 

  90. 

  91.   !Program variables
    92. 

  92. 

  93.   INTEGER(CMISSIntg) :: NumberGlobalXElements,NumberGlobalYElements,NumberGlobalZElements
    94. 

  94.   INTEGER(CMISSIntg) :: EquationsSetIndex
    95. 

  95.   INTEGER(CMISSIntg) :: NumberOfComputationalNodes,NumberOfDomains,ComputationalNodeNumber
    96. 

  96.   INTEGER(CMISSIntg) :: NodeNumber,NodeDomain,node_idx
    97. 

  97.   INTEGER(CMISSIntg),ALLOCATABLE :: BottomSurfaceNodes(:)
    98. 

  98.   INTEGER(CMISSIntg),ALLOCATABLE :: LeftSurfaceNodes(:)
    99. 

  99.   INTEGER(CMISSIntg),ALLOCATABLE :: RightSurfaceNodes(:)
    100. 

  100.   INTEGER(CMISSIntg),ALLOCATABLE :: FrontSurfaceNodes(:)
    101. 

  101.   INTEGER(CMISSIntg) :: BottomNormalXi,LeftNormalXi,RightNormalXi,BackNormalXi
    102. 

  102. 

  103.   !CMISS variables
    104. 

  104.   TYPE(CMISSBasisType) :: Basis, PressureBasis
    105. 

  105.   TYPE(CMISSBoundaryConditionsType) :: BoundaryConditions
    106. 

  106.   TYPE(CMISSCoordinateSystemType) :: CoordinateSystem, WorldCoordinateSystem
    107. 

  107.   TYPE(CMISSMeshType) :: Mesh
    108. 

  108.   TYPE(CMISSDecompositionType) :: Decomposition
    109. 

  109.   TYPE(CMISSEquationsType) :: Equations
    110. 

  110.   TYPE(CMISSEquationsSetType) :: EquationsSet
    111. 

  111.   TYPE(CMISSFieldType) :: GeometricField,FibreField,MaterialField,DependentField
    112. 

  112.   TYPE(CMISSFieldsType) :: Fields
    113. 

  113.   TYPE(CMISSGeneratedMeshType) :: GeneratedMesh
    114. 

  114.   TYPE(CMISSProblemType) :: Problem
    115. 

  115.   TYPE(CMISSRegionType) :: Region,WorldRegion
    116. 

  116.   TYPE(CMISSSolverType) :: Solver,LinearSolver
    117. 

  117.   TYPE(CMISSSolverEquationsType) :: SolverEquations
    118. 

  118. 

  119. #ifdef WIN32
    120. 

  120.   !Quickwin type
    121. 

  121.   LOGICAL :: QUICKWIN_STATUS=.FALSE.
    122. 

  122.   TYPE(WINDOWCONFIG) :: QUICKWIN_WINDOW_CONFIG
    123. 

  123. #endif
    124. 

  124. 

  125.   !Generic CMISS variables
    126. 

  126.   INTEGER(CMISSIntg) :: Err
    127. 

  127. 

  128. #ifdef WIN32
    129. 

  129.   !Initialise QuickWin
    130. 

  130.   QUICKWIN_WINDOW_CONFIG%TITLE="General Output" !Window title
    131. 

  131.   QUICKWIN_WINDOW_CONFIG%NUMTEXTROWS=-1 !Max possible number of rows
    132. 

  132.   QUICKWIN_WINDOW_CONFIG%MODE=QWIN$SCROLLDOWN
    133. 

  133.   !Set the window parameters
    134. 

  134.   QUICKWIN_STATUS=SETWINDOWCONFIG(QUICKWIN_WINDOW_CONFIG)
    135. 

  135.   !If attempt fails set with system estimated values
    136. 

  136.   IF(.NOT.QUICKWIN_STATUS) QUICKWIN_STATUS=SETWINDOWCONFIG(QUICKWIN_WINDOW_CONFIG)
    137. 

  137. #endif
    138. 

  138. 

  139.   !Intialise cmiss
    140. 

  140.   CALL CMISSInitialise(WorldCoordinateSystem,WorldRegion,Err)
    141. 

  141. 

  142.   CALL CMISSErrorHandlingModeSet(CMISS_ERRORS_TRAP_ERROR,Err)
    143. 

  143. 

  144.   !Set all diganostic levels on for testing
    145. 

  145.   !CALL CMISSDiagnosticsSetOn(CMISS_FROM_DIAG_TYPE,(/1,2,3,4,5/),"Diagnostics",(/"PROBLEM_RESIDUAL_EVALUATE"/),Err)
    146. 

  146. 

  147.   !Get the number of computational nodes and this computational node number
    148. 

  148.   CALL CMISSComputationalNumberOfNodesGet(NumberOfComputationalNodes,Err)
    149. 

  149.   CALL CMISSComputationalNodeNumberGet(ComputationalNodeNumber,Err)
    150. 

  150. 

  151.   NumberGlobalXElements=5
    152. 

  152.   NumberGlobalYElements=5
    153. 

  153.   NumberGlobalZElements=5
    154. 

  154.   NumberOfDomains=NumberOfComputationalNodes
    155. 

  155. 

  156.   !Create a 3D rectangular cartesian coordinate system
    157. 

  157.   CALL CMISSCoordinateSystem_Initialise(CoordinateSystem,Err)
    158. 

  158.   CALL CMISSCoordinateSystem_CreateStart(CoordinateSystemUserNumber,CoordinateSystem,Err)
    159. 

  159.   CALL CMISSCoordinateSystem_CreateFinish(CoordinateSystem,Err)
    160. 

  160. 

  161.   !Create a region and assign the coordinate system to the region
    162. 

  162.   CALL CMISSRegion_Initialise(Region,Err)
    163. 

  163.   CALL CMISSRegion_CreateStart(RegionUserNumber,WorldRegion,Region,Err)
    164. 

  164.   CALL CMISSRegion_CoordinateSystemSet(Region,CoordinateSystem,Err)
    165. 

  165.   CALL CMISSRegion_CreateFinish(Region,Err)
    166. 

  166. 

  167.   !Define geometric basis
    168. 

  168.   CALL CMISSBasis_Initialise(Basis,Err)
    169. 

  169.   CALL CMISSBasis_CreateStart(BasisUserNumber,Basis,Err)
    170. 

  170.   SELECT CASE(InterpolationType)
    171. 

  171.   CASE(1,2,3,4)
    172. 

  172.     CALL CMISSBasis_TypeSet(Basis,CMISS_BASIS_LAGRANGE_HERMITE_TP_TYPE,Err)
    173. 

  173.   CASE(7,8,9)
    174. 

  174.     CALL CMISSBasis_TypeSet(Basis,CMISS_BASIS_SIMPLEX_TYPE,Err)
    175. 

  175.   END SELECT
    176. 

  176.   IF(NumberGlobalZElements==0) THEN
    177. 

  177.     CALL CMISSBasis_NumberOfXiSet(Basis,2,Err)
    178. 

  178.     CALL CMISSBasis_InterpolationXiSet(Basis,[InterpolationType,InterpolationType],Err)
    179. 

  179.     IF(NumberOfGaussXi>0) THEN
    180. 

  180.       CALL CMISSBasis_QuadratureNumberOfGaussXiSet(Basis,[NumberOfGaussXi,NumberOfGaussXi],Err)
    181. 

  181.     ENDIF
    182. 

  182.   ELSE
    183. 

  183.     CALL CMISSBasis_NumberOfXiSet(Basis,3,Err)
    184. 

  184.     CALL CMISSBasis_InterpolationXiSet(Basis,[InterpolationType,InterpolationType,InterpolationType],Err)
    185. 

  185.     IF(NumberOfGaussXi>0) THEN
    186. 

  186.       CALL CMISSBasis_QuadratureNumberOfGaussXiSet(Basis,[NumberOfGaussXi,NumberOfGaussXi,NumberOfGaussXi],Err)
    187. 

  187.     ENDIF
    188. 

  188.   ENDIF
    189. 

  189.   CALL CMISSBasis_CreateFinish(Basis,Err)
    190. 

  190. 

  191.   !Define pressure basis
    192. 

  192.   IF(UsePressureBasis) THEN
    193. 

  193.     CALL CMISSBasis_Initialise(PressureBasis,Err)
    194. 

  194.     CALL CMISSBasis_CreateStart(PressureBasisUserNumber,PressureBasis,Err)
    195. 

  195.     SELECT CASE(PressureInterpolationType)
    196. 

  196.     CASE(1,2,3,4)
    197. 

  197.       CALL CMISSBasis_TypeSet(PressureBasis,CMISS_BASIS_LAGRANGE_HERMITE_TP_TYPE,Err)
    198. 

  198.     CASE(7,8,9)
    199. 

  199.       CALL CMISSBasis_TypeSet(PressureBasis,CMISS_BASIS_SIMPLEX_TYPE,Err)
    200. 

  200.     END SELECT
    201. 

  201.     IF(NumberGlobalZElements==0) THEN
    202. 

  202.       CALL CMISSBasis_NumberOfXiSet(PressureBasis,2,Err)
    203. 

  203.       CALL CMISSBasis_InterpolationXiSet(PressureBasis,[PressureInterpolationType,PressureInterpolationType],Err)
    204. 

  204.       IF(NumberOfGaussXi>0) THEN
    205. 

  205.         CALL CMISSBasis_QuadratureNumberOfGaussXiSet(PressureBasis,[NumberOfGaussXi,NumberOfGaussXi],Err)
    206. 

  206.       ENDIF
    207. 

  207.     ELSE
    208. 

  208.       CALL CMISSBasis_NumberOfXiSet(PressureBasis,3,Err)
    209. 

  209.       CALL CMISSBasis_InterpolationXiSet(PressureBasis, &
    210. 

  210.         & [PressureInterpolationType,PressureInterpolationType,PressureInterpolationType],Err)
    211. 

  211.       IF(NumberOfGaussXi>0) THEN
    212. 

  212.         CALL CMISSBasis_QuadratureNumberOfGaussXiSet(PressureBasis,[NumberOfGaussXi,NumberOfGaussXi,NumberOfGaussXi],Err)
    213. 

  213.       ENDIF
    214. 

  214.     ENDIF
    215. 

  215.     CALL CMISSBasis_CreateFinish(PressureBasis,Err)
    216. 

  216.   ENDIF
    217. 

  217. 

  218.   !Start the creation of a generated mesh in the region
    219. 

  219.   CALL CMISSGeneratedMesh_Initialise(GeneratedMesh,Err)
    220. 

  220.   CALL CMISSGeneratedMesh_CreateStart(GeneratedMeshUserNumber,Region,GeneratedMesh,Err)
    221. 

  221.   !Set up a regular x*y*z mesh
    222. 

  222.   CALL CMISSGeneratedMesh_TypeSet(GeneratedMesh,CMISS_GENERATED_MESH_REGULAR_MESH_TYPE,Err)
    223. 

  223.   !Set the default basis
    224. 

  224.   IF(UsePressureBasis) THEN
    225. 

  225.     CALL CMISSGeneratedMesh_BasisSet(GeneratedMesh,[Basis,PressureBasis],Err)
    226. 

  226.   ELSE
    227. 

  227.     CALL CMISSGeneratedMesh_BasisSet(GeneratedMesh,[Basis],Err)
    228. 

  228.   ENDIF
    229. 

  229.   !Define the mesh on the region
    230. 

  230.   IF(NumberGlobalXElements==0) THEN
    231. 

  231.     CALL CMISSGeneratedMesh_ExtentSet(GeneratedMesh,(/WIDTH,HEIGHT/),Err)
    232. 

  232.     CALL CMISSGeneratedMesh_NumberOfElementsSet(GeneratedMesh,(/NumberGlobalXElements,NumberGlobalYElements/),Err)
    233. 

  233.   ELSE
    234. 

  234.     CALL CMISSGeneratedMesh_ExtentSet(GeneratedMesh,(/WIDTH,HEIGHT,LENGTH/),Err)
    235. 

  235.     CALL CMISSGeneratedMesh_NumberOfElementsSet(GeneratedMesh,(/NumberGlobalXElements,NumberGlobalYElements, &
    236. 

  236.       & NumberGlobalZElements/),Err)
    237. 

  237.   ENDIF
    238. 

  238.   !Finish the creation of a generated mesh in the region
    239. 

  239.   CALL CMISSMesh_Initialise(Mesh,Err)
    240. 

  240.   CALL CMISSGeneratedMesh_CreateFinish(GeneratedMesh,MeshUserNumber,Mesh,Err)
    241. 

  241. 

  242.   !Create a decomposition
    243. 

  243.   CALL CMISSDecomposition_Initialise(Decomposition,Err)
    244. 

  244.   CALL CMISSDecomposition_CreateStart(DecompositionUserNumber,Mesh,Decomposition,Err)
    245. 

  245.   CALL CMISSDecomposition_TypeSet(Decomposition,CMISS_DECOMPOSITION_CALCULATED_TYPE,Err)
    246. 

  246.   CALL CMISSDecomposition_NumberOfDomainsSet(Decomposition,NumberOfDomains,Err)
    247. 

  247.   CALL CMISSDecomposition_CreateFinish(Decomposition,Err)
    248. 

  248. 

  249.   !Create a field to put the geometry (defualt is geometry)
    250. 

  250.   CALL CMISSField_Initialise(GeometricField,Err)
    251. 

  251.   CALL CMISSField_CreateStart(FieldGeometryUserNumber,Region,GeometricField,Err)
    252. 

  252.   CALL CMISSField_MeshDecompositionSet(GeometricField,Decomposition,Err)
    253. 

  253.   CALL CMISSField_VariableLabelSet(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,"Geometry",Err)
    254. 

  254.   CALL CMISSField_ScalingTypeSet(GeometricField,CMISS_FIELD_ARITHMETIC_MEAN_SCALING,Err)
    255. 

  255.   CALL CMISSField_CreateFinish(GeometricField,Err)
    256. 

  256. 

  257.   !Update the geometric field parameters
    258. 

  258.   CALL CMISSGeneratedMesh_GeometricParametersCalculate(GeneratedMesh,GeometricField,Err)
    259. 

  259. 

  260.   !Create a fibre field and attach it to the geometric field
    261. 

  261.   CALL CMISSField_Initialise(FibreField,Err)
    262. 

  262.   CALL CMISSField_CreateStart(FieldFibreUserNumber,Region,FibreField,Err)
    263. 

  263.   CALL CMISSField_TypeSet(FibreField,CMISS_FIELD_FIBRE_TYPE,Err)
    264. 

  264.   CALL CMISSField_MeshDecompositionSet(FibreField,Decomposition,Err)
    265. 

  265.   CALL CMISSField_GeometricFieldSet(FibreField,GeometricField,Err)
    266. 

  266.   CALL CMISSField_VariableLabelSet(FibreField,CMISS_FIELD_U_VARIABLE_TYPE,"Fibre",Err)
    267. 

  267.   CALL CMISSField_CreateFinish(FibreField,Err)
    268. 

  268. 

  269.   !Create the equations_set
    270. 

  270.   CALL CMISSField_Initialise(EquationsSetField,Err)
    271. 

  271.   CALL CMISSEquationsSet_CreateStart(EquationSetUserNumber,Region,FibreField,CMISS_EQUATIONS_SET_ELASTICITY_CLASS, &
    272. 

  272.     & CMISS_EQUATIONS_SET_FINITE_ELASTICITY_TYPE,CMISS_EQUATIONS_SET_MOONEY_RIVLIN_SUBTYPE,EquationsSetFieldUserNumber, &
    273. 

  273.       & EquationsSetField, &
    274. 

  274.     & EquationsSet,Err)
    275. 

  275.   CALL CMISSEquationsSet_CreateFinish(EquationsSet,Err)
    276. 

  276. 

  277.   !Create the dependent field
    278. 

  278.   CALL CMISSField_Initialise(DependentField,Err)
    279. 

  279.   CALL CMISSEquationsSet_DependentCreateStart(EquationsSet,FieldDependentUserNumber,DependentField,Err)
    280. 

  280.   CALL CMISSField_VariableLabelSet(DependentField,CMISS_FIELD_U_VARIABLE_TYPE,"Dependent",Err)
    281. 

  281.   IF(UsePressureBasis) THEN
    282. 

  282.     !Set the pressure to be nodally based and use the second mesh component if required
    283. 

  283.     CALL CMISSField_ComponentInterpolationSet(DependentField,CMISS_FIELD_U_VARIABLE_TYPE,4,CMISS_FIELD_NODE_BASED_INTERPOLATION,Err)
    284. 

  284.     CALL CMISSField_ComponentInterpolationSet(DependentField,CMISS_FIELD_DELUDELN_VARIABLE_TYPE,4, &
    285. 

  285.       & CMISS_FIELD_NODE_BASED_INTERPOLATION,Err)
    286. 

  286.     CALL CMISSField_ComponentMeshComponentSet(DependentField,CMISS_FIELD_U_VARIABLE_TYPE,4,2,Err)
    287. 

  287.     CALL CMISSField_ComponentMeshComponentSet(DependentField,CMISS_FIELD_DELUDELN_VARIABLE_TYPE,4,2,Err)
    288. 

  288.   END IF
    289. 

  289.   CALL CMISSEquationsSet_DependentCreateFinish(EquationsSet,Err)
    290. 

  290. 

  291.   !Create the material field
    292. 

  292.   CALL CMISSField_Initialise(MaterialField,Err)
    293. 

  293.   CALL CMISSEquationsSet_MaterialsCreateStart(EquationsSet,FieldMaterialUserNumber,MaterialField,Err)
    294. 

  294.   CALL CMISSField_VariableLabelSet(MaterialField,CMISS_FIELD_U_VARIABLE_TYPE,"Material",Err)
    295. 

  295.   CALL CMISSEquationsSet_MaterialsCreateFinish(EquationsSet,Err)
    296. 

  296. 

  297.   !Set Mooney-Rivlin constants c10 and c01 to 2.0 and 6.0 respectively.
    298. 

  298.   CALL CMISSField_ComponentValuesInitialise(MaterialField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,2.0_CMISSDP,Err)
    299. 

  299.   CALL CMISSField_ComponentValuesInitialise(MaterialField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,2,6.0_CMISSDP,Err)
    300. 

  300. 

  301.   !Create the equations set equations
    302. 

  302.   CALL CMISSEquations_Initialise(Equations,Err)
    303. 

  303.   CALL CMISSEquationsSet_EquationsCreateStart(EquationsSet,Equations,Err)
    304. 

  304.   CALL CMISSEquations_SparsityTypeSet(Equations,CMISS_EQUATIONS_SPARSE_MATRICES,Err)
    305. 

  305.   CALL CMISSEquations_OutputTypeSet(Equations,CMISS_EQUATIONS_NO_OUTPUT,Err)
    306. 

  306.   CALL CMISSEquationsSet_EquationsCreateFinish(EquationsSet,Err)
    307. 

  307. 

  308.   !Initialise dependent field from undeformed geometry and displacement bcs and set hydrostatic pressure
    309. 

  309.   CALL CMISSField_ParametersToFieldParametersComponentCopy(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE, &
    310. 

  310.     & 1,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,1,Err)
    311. 

  311.   CALL CMISSField_ParametersToFieldParametersComponentCopy(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE, &
    312. 

  312.     & 2,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,2,Err)
    313. 

  313.   CALL CMISSField_ParametersToFieldParametersComponentCopy(GeometricField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE, &
    314. 

  314.     & 3,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,3,Err)
    315. 

  315.   CALL CMISSField_ComponentValuesInitialise(DependentField,CMISS_FIELD_U_VARIABLE_TYPE,CMISS_FIELD_VALUES_SET_TYPE,4,-8.0_CMISSDP, &
    316. 

  316.     & Err)
    317. 

  317. 

  318.   !Define the problem
    319. 

  319.   CALL CMISSProblem_Initialise(Problem,Err)
    320. 

  320.   CALL CMISSProblem_CreateStart(ProblemUserNumber,Problem,Err)
    321. 

  321.   CALL CMISSProblem_SpecificationSet(Problem,CMISS_PROBLEM_ELASTICITY_CLASS,CMISS_PROBLEM_FINITE_ELASTICITY_TYPE, &
    322. 

  322.     & CMISS_PROBLEM_NO_SUBTYPE,Err)
    323. 

  323.   CALL CMISSProblem_CreateFinish(Problem,Err)
    324. 

  324. 

  325.   !Create the problem control loop
    326. 

  326.   CALL CMISSProblem_ControlLoopCreateStart(Problem,Err)
    327. 

  327.   CALL CMISSProblem_ControlLoopCreateFinish(Problem,Err)
    328. 

  328. 

  329.   !Create the problem solvers
    330. 

  330.   CALL CMISSSolver_Initialise(Solver,Err)
    331. 

  331.   CALL CMISSSolver_Initialise(LinearSolver,Err)
    332. 

  332.   CALL CMISSProblem_SolversCreateStart(Problem,Err)
    333. 

  333.   CALL CMISSProblem_SolverGet(Problem,CMISS_CONTROL_LOOP_NODE,1,Solver,Err)
    334. 

  334.   CALL CMISSSolver_OutputTypeSet(Solver,CMISS_SOLVER_PROGRESS_OUTPUT,Err)
    335. 

  335.   CALL CMISSSolver_NewtonJacobianCalculationTypeSet(Solver,CMISS_SOLVER_NEWTON_JACOBIAN_EQUATIONS_CALCULATED,Err)
    336. 

  336.   CALL CMISSSolver_NewtonLinearSolverGet(Solver,LinearSolver,Err)
    337. 

  337.   CALL CMISSSolver_LinearTypeSet(LinearSolver,CMISS_SOLVER_LINEAR_DIRECT_SOLVE_TYPE,Err)
    338. 

  338.   CALL CMISSProblem_SolversCreateFinish(Problem,Err)
    339. 

  339. 

  340.   !Create the problem solver equations
    341. 

  341.   CALL CMISSSolver_Initialise(Solver,Err)
    342. 

  342.   CALL CMISSSolverEquations_Initialise(SolverEquations,Err)
    343. 

  343.   CALL CMISSProblem_SolverEquationsCreateStart(Problem,Err)
    344. 

  344.   CALL CMISSProblem_SolverGet(Problem,CMISS_CONTROL_LOOP_NODE,1,Solver,Err)
    345. 

  345.   CALL CMISSSolver_SolverEquationsGet(Solver,SolverEquations,Err)
    346. 

  346.   CALL CMISSSolverEquations_EquationsSetAdd(SolverEquations,EquationsSet,EquationsSetIndex,Err)
    347. 

  347.   CALL CMISSProblem_SolverEquationsCreateFinish(Problem,Err)
    348. 

  348. 

  349.   !Prescribe boundary conditions (absolute nodal parameters)
    350. 

  350.   CALL CMISSBoundaryConditions_Initialise(BoundaryConditions,Err)
    351. 

  351.   CALL CMISSSolverEquations_BoundaryConditionsCreateStart(SolverEquations,BoundaryConditions,Err)
    352. 

  352. 

  353.   CALL CMISSGeneratedMesh_SurfaceGet(GeneratedMesh,CMISS_GENERATED_MESH_REGULAR_BOTTOM_SURFACE,BottomSurfaceNodes,BottomNormalXi, &
    354. 

  354.     & Err)
    355. 

  355.   CALL CMISSGeneratedMesh_SurfaceGet(GeneratedMesh,CMISS_GENERATED_MESH_REGULAR_LEFT_SURFACE,LeftSurfaceNodes,LeftNormalXi,Err)
    356. 

  356.   CALL CMISSGeneratedMesh_SurfaceGet(GeneratedMesh,CMISS_GENERATED_MESH_REGULAR_RIGHT_SURFACE,RightSurfaceNodes,RightNormalXi,Err)
    357. 

  357.   CALL CMISSGeneratedMesh_SurfaceGet(GeneratedMesh,CMISS_GENERATED_MESH_REGULAR_FRONT_SURFACE,FrontSurfaceNodes,BackNormalXi,Err)
    358. 

  358. 

  359.   !Set x=0 nodes to no x displacment in x. Set x=WIDTH nodes to 10% x displacement
    360. 

  360.   DO node_idx=1,SIZE(LeftSurfaceNodes,1)
    361. 

  361.     NodeNumber=LeftSurfaceNodes(node_idx)
    362. 

  362.     CALL CMISSDecomposition_NodeDomainGet(Decomposition,NodeNumber,1,NodeDomain,Err)
    363. 

  363.     IF(NodeDomain==ComputationalNodeNumber) THEN
    364. 

  364.       CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,NodeNumber,1, &
    365. 

  365.         & CMISS_BOUNDARY_CONDITION_FIXED,0.0_CMISSDP,Err)
    366. 

  366.     ENDIF
    367. 

  367.   ENDDO
    368. 

  368. 

  369.   DO node_idx=1,SIZE(RightSurfaceNodes,1)
    370. 

  370.     NodeNumber=RightSurfaceNodes(node_idx)
    371. 

  371.     CALL CMISSDecomposition_NodeDomainGet(Decomposition,NodeNumber,1,NodeDomain,Err)
    372. 

  372.     IF(NodeDomain==ComputationalNodeNumber) THEN
    373. 

  373.       CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,NodeNumber,1, &
    374. 

  374.         & CMISS_BOUNDARY_CONDITION_FIXED,1.1_CMISSDP*WIDTH,Err)
    375. 

  375.     ENDIF
    376. 

  376.   ENDDO
    377. 

  377. 

  378.   !Set y=0 nodes to no y displacement
    379. 

  379.   DO node_idx=1,SIZE(FrontSurfaceNodes,1)
    380. 

  380.     NodeNumber=FrontSurfaceNodes(node_idx)
    381. 

  381.     CALL CMISSDecomposition_NodeDomainGet(Decomposition,NodeNumber,1,NodeDomain,Err)
    382. 

  382.     IF(NodeDomain==ComputationalNodeNumber) THEN
    383. 

  383.       CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,NodeNumber,2, &
    384. 

  384.         & CMISS_BOUNDARY_CONDITION_FIXED,0.0_CMISSDP,Err)
    385. 

  385.     ENDIF
    386. 

  386.   ENDDO
    387. 

  387. 

  388.   !Set z=0 nodes to no z displacement
    389. 

  389.   DO node_idx=1,SIZE(BottomSurfaceNodes,1)
    390. 

  390.     NodeNumber=BottomSurfaceNodes(node_idx)
    391. 

  391.     CALL CMISSDecomposition_NodeDomainGet(Decomposition,NodeNumber,1,NodeDomain,Err)
    392. 

  392.     IF(NodeDomain==ComputationalNodeNumber) THEN
    393. 

  393.       CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1,1,NodeNumber,3, &
    394. 

  394.         & CMISS_BOUNDARY_CONDITION_FIXED,0.0_CMISSDP,Err)
    395. 

  395.     ENDIF
    396. 

  396.   ENDDO
    397. 

  397. 

  398.   IF(InterpolationType==CMISS_BASIS_CUBIC_HERMITE_INTERPOLATION) THEN
    399. 

  399.     !Fix x derivatives at x=0 and x=1 in xi2 and xi3
    400. 

  400.     DO node_idx=1,SIZE(LeftSurfaceNodes,1)
    401. 

  401.       NodeNumber=LeftSurfaceNodes(node_idx)
    402. 

  402.       CALL CMISSDecomposition_NodeDomainGet(Decomposition,NodeNumber,1,NodeDomain,Err)
    403. 

  403.       IF(NodeDomain==ComputationalNodeNumber) THEN
    404. 

  404.         CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1, &
    405. 

  405.           & CMISS_GLOBAL_DERIV_S2, &
    406. 

  406.           & NodeNumber,1,CMISS_BOUNDARY_CONDITION_FIXED,0.0_CMISSDP,Err)
    407. 

  407.         CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1, &
    408. 

  408.           & CMISS_GLOBAL_DERIV_S3, &
    409. 

  409.           & NodeNumber,1,CMISS_BOUNDARY_CONDITION_FIXED,0.0_CMISSDP,Err)
    410. 

  410.         CALL CMISSBoundaryConditions_SetNode(BoundaryConditions,DependentField,CMISS_FIELD_U_VARIABLE_TYPE,1, &
    411. 

  411.           & CMISS_GLOBAL_DERIV_S2_S3, &
    412. 

  412.           & NodeNumber,1,CMISS_BOUNDARY_CONDITION_FIXED,0.0_CMISSDP,Err)
    413. 

  413.       ENDIF
    414. 

  414.     ENDDO
    415. 

  415.     DO node_idx=1,SIZE(RightSurfaceNodes,1)
    416. 

  416.       NodeNumber=RightSurfaceNodes(node_idx)
    417. 

  417.       CALL CMISSDecomposition_NodeDomainGet(Decomposition,NodeNumber,1,NodeDomain,Err)
    418. 

  418.       IF(NodeDomain==ComputationalNodeNumber) THEN
    419. 

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

  420.           & CMISS_GLOBAL_DERIV_S2, &
    421. 

  421.           & NodeNumber,1,CMISS_BOUNDARY_CONDITION_FIXED,0.0_CMISSDP,Err)
    422. 

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

  423.           & CMISS_GLOBAL_DERIV_S3, &
    424. 

  424.           & NodeNumber,1,CMISS_BOUNDARY_CONDITION_FIXED,0.0_CMISSDP,Err)
    425. 

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

  426.           & CMISS_GLOBAL_DERIV_S2_S3, &
    427. 

  427.           & NodeNumber,1,CMISS_BOUNDARY_CONDITION_FIXED,0.0_CMISSDP,Err)
    428. 

  428.       ENDIF
    429. 

  429.     ENDDO
    430. 

  430.   ENDIF
    431. 

  431. 

  432.   CALL CMISSSolverEquations_BoundaryConditionsCreateFinish(SolverEquations,Err)
    433. 

  433. 

  434.   !Solve problem
    435. 

  435.   CALL CMISSProblem_Solve(Problem,Err)
    436. 

  436. 

  437.   !Output solution
    438. 

  438.   CALL CMISSFields_Initialise(Fields,Err)
    439. 

  439.   CALL CMISSFields_Create(Region,Fields,Err)
    440. 

  440.   CALL CMISSFields_NodesExport(Fields,"LargeUniaxialExtension","FORTRAN",Err)
    441. 

  441.   CALL CMISSFields_ElementsExport(Fields,"LargeUniaxialExtension","FORTRAN",Err)
    442. 

  442.   CALL CMISSFields_Finalise(Fields,Err)
    443. 

  443. 

  444.   CALL CMISSFinalise(Err)
    445. 

  445. 

  446.   WRITE(*,'(A)') "Program successfully completed."
    447. 

  447. 

  448.   STOP
    449. 

  449. 

  450. END PROGRAM LARGEUNIAXIALEXTENSIONEXAMPLE
    451.