From 5617c7bc5987f8b8510d14542f7f2b2b7d0b000c Mon Sep 17 00:00:00 2001
From: thomas-saigre <60920471+thomas-saigre@users.noreply.github.com>
Date: Wed, 29 Apr 2020 20:43:46 +0200
Subject: [PATCH 1/2] Update toolbox.adoc

Give a better description of the export of the drag and lift forces (I hope it will be sharper...)
---
 docs/toolboxes/modules/cfd/pages/toolbox.adoc | 9 +++++++--
 1 file changed, 7 insertions(+), 2 deletions(-)

diff --git a/docs/toolboxes/modules/cfd/pages/toolbox.adoc b/docs/toolboxes/modules/cfd/pages/toolbox.adoc
index 9c0c80034..ea494bbba 100644
--- a/docs/toolboxes/modules/cfd/pages/toolbox.adoc
+++ b/docs/toolboxes/modules/cfd/pages/toolbox.adoc
@@ -567,13 +567,18 @@ The user must define:
 
 
 ==== Forces
-compute lift and drag
+Compute lift and drag
 
 [source,json]
 ----
-"Forces":["fsi-wall","fluid-cylinder"]
+"Forces":["marker1","marker2"]
 ----
+Where `markerX` are the markers of where we want to compute the forces. The results will be given in a csv file whith those columns :
 
+- time
+- drag_marker1
+- lift_marker1
+- idem with marker2...
 
 
 === Export user functions

From 2ad91fe014e1510e534e514fc41503a704566b8b Mon Sep 17 00:00:00 2001
From: thomas-saigre <60920471+thomas-saigre@users.noreply.github.com>
Date: Thu, 30 Apr 2020 09:36:56 +0200
Subject: [PATCH 2/2] Update toolbox.adoc

correction
---
 docs/toolboxes/modules/cfd/pages/toolbox.adoc | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/docs/toolboxes/modules/cfd/pages/toolbox.adoc b/docs/toolboxes/modules/cfd/pages/toolbox.adoc
index ea494bbba..0d644d924 100644
--- a/docs/toolboxes/modules/cfd/pages/toolbox.adoc
+++ b/docs/toolboxes/modules/cfd/pages/toolbox.adoc
@@ -567,7 +567,7 @@ The user must define:
 
 
 ==== Forces
-Compute lift and drag
+Compute the surfacic forces \$(F_x,F_y)\$ applied by the fluid to the object. Il the flow is aligned with the _x_-axis, those forces are drag and lift.
 
 [source,json]
 ----