diff --git a/dune/elasticity/common/elasticityhelpers.hh b/dune/elasticity/common/elasticityhelpers.hh index f08343000370449d6d36e212a507db9e373e6d5e..edd7da5e6bfb46d5cca6bef0c4c4b7fb3a01a5c7 100644 --- a/dune/elasticity/common/elasticityhelpers.hh +++ b/dune/elasticity/common/elasticityhelpers.hh @@ -124,7 +124,7 @@ namespace Dune { * (Delta<(p+2)%3,(q-2)%3>::delta+u[(p+2)%3][(q-2)%3]); } - /** \brief Compute linearization of the determinant of a deformation gradient + /** \brief Compute linearization of the determinant of a deformation gradient. Multiplication with a test function(scalar) gradient, gives the linearization in the direction of the test function. * * \param u The displacement gradient(!) at which the determinant is evaluated */ @@ -143,7 +143,7 @@ namespace Dune { linDet[i][i] = (u[(i+1)%3][(i+1)%3]+1)*(u[(i+2)%3][(i+2)%3]+1)-u[(i+1)%3][(i+2)%3]*u[(i+2)%3][(i+1)%3] } - /** \brief Compute linearization of the determinant of a deformation gradient + /** \brief Compute linearization of the determinant of a deformation gradient. Multiplication with a test function(scalar) gradient, gives the linearization in the direction of the test function. * * \param u The displacement gradient(!) at which the determinant is evaluated */