Merge pull request #6884 from alarshi/doc_fix

Modify documentation for stress compositional field names

Author: gassmoeller

source/material_model/viscoelastic.cc

@@ -226,13 +226,14 @@ namespace aspect
                                    "compositional fields representing these components must be named "
                                    "and listed in a very specific format, which is designed to minimize "
                                    "mislabeling stress tensor components as distinct 'compositional "
-                                   "rock types' (or vice versa). For 2d models, the first six "
-                                   "compositional fields must be labeled 'stress\\_xx', 'stress\\_yy' and 'stress\\_xy', "
-                                   "'stress\\_xx\\_old', 'stress\\_yy\\_old' and 'stress\\_xy\\_old', "
-                                   "In 3d, the first twelve compositional fields must be labeled 'stress\\_xx', "
-                                   "'stress\\_yy', 'stress\\_zz', 'stress\\_xy', 'stress\\_xz', 'stress\\_yz', "
-                                   "'stress\\_xx\\_old', 'stress\\_yy\\_old', 'stress\\_zz\\_old', "
-                                   "'stress\\_xy\\_old', 'stress\\_xz\\_old', 'stress\\_yz\\_old'. "
+                                   "rock types' (or vice versa). For 2d models, the first six compositional "
+                                   "fields of type stress must be labeled 've\\_stress\\_xx', 've\\_stress\\_yy' "
+                                   "and 've\\_stress\\_xy', 've\\_stress\\_xx\\_old', 've\\_stress\\_yy\\_old' "
+                                   "and 've\\_stress\\_xy\\_old', In 3d, the first twelve compositional fields "
+                                   "of type stress must be labeled 've\\_stress\\_xx', 've\\_stress\\_yy', "
+                                   "'ve\\_stress\\_zz', 've\\_stress\\_xy', 've\\_stress\\_xz', 've\\_stress\\_yz', "
+                                   "'ve\\_stress\\_xx\\_old', 've\\_stress\\_yy\\_old', 've\\_stress\\_zz\\_old',  "
+                                   "'ve\\_stress\\_xy\\_old', 've\\_stress\\_xz\\_old', 've\\_stress\\_yz\\_old'. "
                                    "\n\n "
                                    "Expanding the model to include non-linear viscous flow (e.g., "
                                    "diffusion/dislocation creep) and plasticity would produce a "