Fix tangent

Use internal field `tangent` when defining tangent.
JuliaFEM · May 29, 2018 · d80b70a · d80b70a
1 parent 69670b4
commit d80b70a
Showing 1 changed file with 1 addition and 1 deletion.
diff --git a/src/contact2d.jl b/src/contact2d.jl
@@ -149,7 +149,7 @@ function FEMBase.assemble_elements!(problem::Problem{Contact2D}, assembly::Assem
         end
         la1 = slave_element("lambda", time)
         n1 = slave_element("normal", time)
-        t1 = [n1[2], -n1[1]]
+        t1 = slave_element("tangent", time)
 
         contact_area = 0.0
         contact_error = 0.0