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The current input data consist of one archive with <tt>.mdpa</tt> extension. The input file is free format and the reading is not depend to the spaces, tabs, endlines etc.

This format contains all ModelPart's data in a minimalistic block form and consists of 8 blocks of data in following form:

  Begin ModelPartData
  //  VARIABLE_NAME value
  End ModelPartData
 
  Begin Table table_id variable1 variable2 
  // table_x table_y
  End Table
  
  Begin Properties  properties_id 
  //  VARIABLE_NAME value
  End Properties
  
  Begin Nodes
  // id	  X	Y	Z
  End Nodes
  
  Begin Elements element_name
  // id prop_id	 n1	n2	n3	...
  End Elements
  
  Begin Conditions condition_name 
  // id prop_id	 n1	n2	n3	...
  End Conditions
  
  Begin NodalData VARIABLE_NAME
  //  id is_fixed value
  End NodalData
  
  Begin ElementalData VARIABLE_NAME
  //  id value
  End ElementalData
  
  Begin ConditionalData VARIABLE_NAME
  //  id value
  End ConditionalData 
  
  Begin Mesh mesh_id   // mesh_id cannot be zero!
  
      Begin MeshNodes
      // node_id
      End MeshNodes
  
      Begin MeshElements
      // element_id
      End MeshElements
  
      Begin MeshConditions
      // condition_id
      End MeshConditions
  
  End Mesh

Each block starts with a <tt>Begin</tt> statement following by the block name and ends with the <tt>End</tt> statement again following by the block name. Some block may have some additional parameter like id or variable in their definitions.

An example is presented in the following lines:

 Begin ModelPartData
  //  VARIABLE_NAME value
  AMBIENT_TEMPERATURE 250.00
 End ModelPartData
 
 
 Begin Table 1 TEMPERATURE VISCOSITY
  200. 2e-6
  300. 3e-6
  400. 4e-6
 End Table
 
 Begin Properties 1
  DENSITY 3.4E-5  //scalar
  THICKNESS 19.5
  VOLUME_ACCELERATION [3] (0.00,0.00,9.8) //vector
  LOCAL_INERTIA [3,3] ((0, 0.27,0.27),(0.087,0,0.27),(0.075,0.23,0)) // matrix
 
  Begin Table TEMPERATURE VISCOSITY
   200. 2e-6
   300. 3e-6
   400. 4e-6
  End Table
 
 End Properties
 
 Begin Nodes
  1                  16                   0                   0
  2                  16                 0.4                   0
  3                15.6                   0                   0
  972                   0                 7.2                   0
  973                   0                 7.6                   0
  974                   0                   8                   0
 End Nodes
 
 Begin Elements Element2D3N
  1 1        1        2        3
  2 1        2        3        972
  3 1        3        972      973
  1796 1     972      973      974
 End Elements
  
 Begin Conditions Condition2D
  1    1        1          2
  1800 1        2          3
  1801 1        3          972
  1947 1        972        973
  1948 1        973        974
 End Conditions
 
 
 Begin NodalData DISPLACEMENT_X
  1 1 0.100000
  2 1 0.200000
  973 1 0.000000
  974 1 0.000000
 End NodalData
 
 Begin NodalData DISPLACEMENT_Y
  1 1 0.000000
  2 1 0.000000
  973 1 0.000973
  974 1 0.000974
 End NodalData
 
 Begin NodalData DISPLACEMENT_Z
  1 1 0.000000
  2 1 0.000000
  973 1 0.000000
  974 1 0.000000
 End NodalData
 
 Begin NodalData VISCOSITY
  1 0 0.010000
  2 0 0.010000
  973 0 0.010000
  974 0 0.010000
 End NodalData
 
 Begin SubModelPart Inlets
  Begin SubModelPartTables
   1
  End SubModelPartTables
 
  Begin SubModelPartNodes
   1
   2
  End SubModelPartNodes
 
  Begin SubModelPartElements
   1
  End SubModelPartElements
 
  Begin SubModelPartConditions
   1
   1800
  End SubModelPartConditions
 
  Begin SubModelPart Inlet1
   Begin SubModelPartNodes
    1
    3
   End SubModelPartNodes

   Begin SubModelPartConditions
    1
    1800
   End SubModelPartConditions
 
  End SubModelPart
 
  Begin SubModelPart Inlet2
   Begin SubModelPartConditions
    1800
    1801
   End SubModelPartConditions
  End SubModelPart
 
 End SubModelPart
 
 Begin SubModelPart Outlet
   Begin SubModelPartProperties
    1
   End SubModelPartProperties
 
  Begin SubModelPartConditions
   1948
  End SubModelPartConditions
 
 End SubModelPart

The old format for data file is still supported due to the backward compatibility but without further improvement. The old format description can be found [[Old Input Data | here]]



[[Category:Kernel]]