From 5539b68009e6936238c060808b874e6a6e86a073 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Sebasti=C3=A1n=20Barschkis?= Date: Sat, 7 Mar 2020 19:56:51 +0100 Subject: Fluid: Optimization for smoke simulation (multigrid) The solver will now automatically detect static scenes (no moving obstacles) and use a slightly faster pressure solve in those cases. --- intern/mantaflow/intern/strings/smoke_script.h | 4 +++- 1 file changed, 3 insertions(+), 1 deletion(-) (limited to 'intern/mantaflow') diff --git a/intern/mantaflow/intern/strings/smoke_script.h b/intern/mantaflow/intern/strings/smoke_script.h index 7a6a2a6d7bf..fb2eaa9b441 100644 --- a/intern/mantaflow/intern/strings/smoke_script.h +++ b/intern/mantaflow/intern/strings/smoke_script.h @@ -30,7 +30,7 @@ const std::string smoke_variables = "\n\ mantaMsg('Smoke variables low')\n\ -preconditioner_s$ID$ = PcMGDynamic\n\ +preconditioner_s$ID$ = PcMGStatic\n\ using_colors_s$ID$ = $USING_COLORS$\n\ using_heat_s$ID$ = $USING_HEAT$\n\ using_fire_s$ID$ = $USING_FIRE$\n\ @@ -391,6 +391,8 @@ def smoke_step_$ID$():\n\ mantaMsg('Walls')\n\ setWallBcs(flags=flags_s$ID$, vel=vel_s$ID$, obvel=obvel_s$ID$ if using_obstacle_s$ID$ else None)\n\ \n\ + preconditioner_s$ID$ = PcMGDynamic if using_obstacle_s$ID$ and obvel_s$ID$.getMax() > 0 else PcMGStatic\n\ + mantaMsg('Using preconditioner: ' + str(preconditioner_s$ID$))\n\ if using_guiding_s$ID$:\n\ mantaMsg('Guiding and pressure')\n\ PD_fluid_guiding(vel=vel_s$ID$, velT=velT_s$ID$, flags=flags_s$ID$, weight=weightGuide_s$ID$, blurRadius=beta_sg$ID$, pressure=pressure_s$ID$, tau=tau_sg$ID$, sigma=sigma_sg$ID$, theta=theta_sg$ID$, preconditioner=preconditioner_s$ID$, zeroPressureFixing=not doOpen_s$ID$)\n\ -- cgit v1.2.3