try scalar internal variables output

Author: chleh

Mechanics/EhlersDamage/UniaxialTension/data.prj

@@ -47,6 +47,9 @@
                 <secondary_variable type="static" internal_name="epsilon_yy" output_name="epsilon_yy"/>
                 <secondary_variable type="static" internal_name="epsilon_zz" output_name="epsilon_zz"/>
                 <secondary_variable type="static" internal_name="epsilon_xy" output_name="epsilon_xy"/>
+
+                <secondary_variable type="static" internal_name="damage.value" output_name="damage_value"/>
+                <secondary_variable type="static" internal_name="damage.kappa_d" output_name="damage_kappa_d"/>
             </secondary_variables>
         </process>
     </processes>
@@ -73,6 +76,9 @@
                         <variable>epsilon_yy</variable>
                         <variable>epsilon_zz</variable>
                         <variable>epsilon_xy</variable>
+
+                        <variable>damage_value</variable>
+                        <variable>damage_kappa_d</variable>
                     </variables>
                 </output>
                 <time_stepping>