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FEVariable example 22a

!!! note "" This example tests subtraction operator. Vector, Nodal

Use association​

  • [[FEVariable_]]

Usage​

!!! note "Import modules and declare variable"

PROGRAM main
  USE easifemBase
  IMPLICIT NONE
  TYPE(FEVariable_) :: obj

!!! note "constant - constant"

  obj = NodalVariable( arange(1.0_DFP, 3.0_DFP), &
      & typeFEVariableVector,    &
      & typeFEVariableConstant ) &
      - NodalVariable( arange(1.0_DFP, 3.0_DFP), &
      & typeFEVariableVector,    &
      & typeFEVariableConstant )
  CALL Display(obj, "constant-constant")
  obj = NodalVariable( arange(1.0_DFP, 3.0_DFP), &
      & typeFEVariableVector,    &
      & typeFEVariableConstant ) &
      - 1.0_DFP
  CALL Display(obj, "constant-constant")

!!! note "space-constant"

  call display("=================================")
  obj = NodalVariable( reshape(arange(1.0_DFP, 6.0_DFP), [3,2]), &
      & typeFEVariableVector, &
      & typeFEVariableSpace ) &
      - NodalVariable( arange(1.0_DFP, 3.0_DFP), &
      & typeFEVariableVector,    &
      & typeFEVariableConstant )
  CALL Display(obj, "space-constant")
  call display("=================================")
  obj = NodalVariable( reshape(arange(1.0_DFP, 6.0_DFP), [3,2]), &
      & typeFEVariableVector, &
      & typeFEVariableSpace ) &
      - 1.0_DFP
  CALL Display(obj, "space-constant")

!!! note "time-constant"

  call display("=================================")
  obj = NodalVariable( reshape(arange(1.0_DFP, 6.0_DFP), [3,2]), &
      & typeFEVariableVector, &
      & typeFEVariableTime ) &
      - NodalVariable( arange(1.0_DFP, 3.0_DFP), &
      & typeFEVariableVector,    &
      & typeFEVariableConstant )
  CALL Display(obj, "time-constant")
  call display("=================================")
  obj = NodalVariable( reshape(arange(1.0_DFP, 6.0_DFP), [3,2]), &
      & typeFEVariableVector, &
      & typeFEVariableTime ) &
      - 1.0_DFP 
  CALL Display(obj, "time-constant")

!!! note "spacetime-constant"

  call display("=================================")
  obj = NodalVariable( reshape(arange(1.0_DFP, 12.0_DFP), [3,2,2]), &
      & typeFEVariableVector, &
      & typeFEVariableSpaceTime ) &
      - NodalVariable( arange(1.0_DFP, 3.0_DFP), &
      & typeFEVariableVector,    &
      & typeFEVariableConstant )
  CALL Display(obj, "spacetime-constant")
  call display("=================================")
  obj = NodalVariable( reshape(arange(1.0_DFP, 12.0_DFP), [3,2,2]), &
      & typeFEVariableVector, &
      & typeFEVariableSpaceTime ) &
      - 1.0_DFP
  CALL Display(obj, "spacetime-constant")
END PROGRAM main