From ff35f421acdbad1e8a1e30190f928ca6688633c2 Mon Sep 17 00:00:00 2001
From: Richard Berger <richard.berger@temple.edu>
Date: Thu, 11 Jun 2020 11:35:27 -0400
Subject: [PATCH] Don't store atom tag, just if there is a contact

---
 src/GRANULAR/fix_wall_gran.cpp | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/src/GRANULAR/fix_wall_gran.cpp b/src/GRANULAR/fix_wall_gran.cpp
index c98217a7f3..c856b8ff5f 100644
--- a/src/GRANULAR/fix_wall_gran.cpp
+++ b/src/GRANULAR/fix_wall_gran.cpp
@@ -669,7 +669,7 @@ void FixWallGran::post_force(int /*vflag*/)
 
         // store contact info
         if (peratom_flag) {
-          array_atom[i][0] = (double)atom->tag[i];
+          array_atom[i][0] = 1.0;
           array_atom[i][4] = x[i][0] - dx;
           array_atom[i][5] = x[i][1] - dy;
           array_atom[i][6] = x[i][2] - dz;