From dc6181db5fda997a062eeaf6432e4a47735d950d Mon Sep 17 00:00:00 2001
From: Chun <chunshen@wayne.edu>
Date: Tue, 7 Apr 2026 00:33:45 -0400
Subject: [PATCH] reset hydro grid information to zero when clear up the
 evolution history

---
 src/framework/FluidEvolutionHistory.h | 16 +++++++++++++++-
 1 file changed, 15 insertions(+), 1 deletion(-)

diff --git a/src/framework/FluidEvolutionHistory.h b/src/framework/FluidEvolutionHistory.h
index fa786bc6..a387b741 100644
--- a/src/framework/FluidEvolutionHistory.h
+++ b/src/framework/FluidEvolutionHistory.h
@@ -221,7 +221,21 @@ class EvolutionHistory {
   /**
    * @brief Clear the evolution history data.
    */
-  void clear_up_evolution_data() { data.clear(); }
+  void clear_up_evolution_data() {
+      data.clear();
+      ntau = 0;
+      nx = 0;
+      ny = 0;
+      neta = 0;
+      dtau = 0;
+      dx = 0;
+      dy = 0;
+      deta = 0;
+      tau_min = 0;
+      x_min = 0;
+      y_min = 0;
+      eta_min = 0;
+  }
 
   /**
    * @brief Get the size of the data vector.