anchor.diff:     end if
   
         ! ---------------------------- TranslationAcc -----------------------------------------------
  -
  +      !> Translational Acceleration: \f$\vec{a}^D = \sum\limits_{i=1}^{2}\left( 
  +      !!              \vec{a}^S_{eSn_i} 
  +      !!            + \left\{ \left\{ \vec{p}^{OSR}_{eSn_i} + \vec{u}^S_{eSn_i} \right\} - \left\{ \vec{p}^{ODR} + \vec{u}^D \right\} \right\} \times \vec{\alpha}^S_{eSn_i}
  +      !!            + \vec{\omega}^S_{eSn_i} \times \left\{
  +      !!              \left\{ \left\{ \vec{p}^{OSR}_{eSn_i} + \vec{u}^S_{eSn_i} \right\} - \left\{ \vec{p}^{ODR} + \vec{u}^D \right\} \right\} \times \vec{\omega}^S_{eSn_i}
  +      !!              \right\}
  +      !!              \right) \phi_i\f$
  +
  +   
  +   
  +   
      if ( Src%FieldMask(MASKID_TranslationAcc) .AND. Dest%FieldMask(MASKID_TranslationAcc) ) then
         do i=1, Dest%Nnodes
            if ( MeshMap%MapMotions(i)%OtherMesh_Element < 1 )  CYCLE
  
positive.code:    end if
  
        ! ---------------------------- TranslationAcc -----------------------------------------------
  
     if ( Src%FieldMask(MASKID_TranslationAcc) .AND. Dest%FieldMask(MASKID_TranslationAcc) ) then
        do i=1, Dest%Nnodes
  
negative.code: 
  
        ! ---------------------------- ORIENTATION/Direction Cosine Matrix   ----------------------
        !> Orientation: \f$\theta^D = \theta^{DR}\left[\theta^{SR}\right]^T\theta^S\f$
  
        ! transfer direction cosine matrix, aka orientation
  
  