Don't use changes in e to set the QSS timestep (#638)

maximumcats · web-flow · commit e12a253e23a2 · 2021-03-30T11:24:25.000-04:00
diff --git a/integration/QSS/actual_integrator.H b/integration/QSS/actual_integrator.H
@@ -440,9 +440,6 @@ void actual_integrator (burn_t& state, Real dt)
                 max_diff = amrex::max(max_diff, dX / state.xn[n-1]);
             }
 
-            Real de = std::abs(state.e - predictor_state.e);
-            max_diff = amrex::max(max_diff, de / state.e);
-
             // If the relative diff was smaller than the requested tolerance factor, we're done.
             // Otherwise, cut dt and try again.
 

Original file line number	Diff line number	Diff line change
`@@ -440,9 +440,6 @@ void actual_integrator (burn_t& state, Real dt)`
`440`	`440`	`max_diff = amrex::max(max_diff, dX / state.xn[n-1]);`
`441`	`441`	`}`
`442`	`442`
`443`		`- Real de = std::abs(state.e - predictor_state.e);`
`444`		`- max_diff = amrex::max(max_diff, de / state.e);`
`445`		`-`
`446`	`443`	`// If the relative diff was smaller than the requested tolerance factor, we're done.`
`447`	`444`	`// Otherwise, cut dt and try again.`
`448`	`445`