diff --git a/Project.toml b/Project.toml
index 1527d7d..90c54c1 100644
--- a/Project.toml
+++ b/Project.toml
@@ -1,7 +1,7 @@
 name = "MeshArrays"
 uuid = "cb8c808f-1acf-59a3-9d2b-6e38d009f683"
 authors = ["gaelforget <gforget@mit.edu>"]
-version = "0.3.10"
+version = "0.3.11"
 
 [deps]
 CatViews = "81a5f4ea-a946-549a-aa7e-2a7f63a27d31"
diff --git a/src/Type_gcmarray.jl b/src/Type_gcmarray.jl
index f8d56c1..857fcb0 100644
--- a/src/Type_gcmarray.jl
+++ b/src/Type_gcmarray.jl
@@ -243,7 +243,7 @@ function Base.similar(A::gcmarray;m::varmeta=defaultmeta)
     if ndims(A)==1
         B=gcmarray(similar(A.grid),eltype(A),copy(A.fSize),copy(A.fIndex); meta=m)
     else
-        B=gcmarray(similar(A.grid),eltype(A),copy(A.fSize),copy(A.fIndex),size(A,2); meta=m)
+        B=gcmarray(similar(A.grid),eltype(A),copy(A.fSize),copy(A.fIndex),size(A)[2:end]...; meta=m)
     end
     return B
 end
@@ -259,7 +259,7 @@ function Base.similar(bc::Broadcast.Broadcasted{Broadcast.ArrayStyle{gcmarray}},
   if ndims(A)==1
         B=gcmarray(similar(A.grid),ElType,copy(A.fSize),copy(A.fIndex))
   else
-        B=gcmarray(similar(A.grid),ElType,copy(A.fSize),copy(A.fIndex),size(A,2))
+        B=gcmarray(similar(A.grid),ElType,copy(A.fSize),copy(A.fIndex),size(A)[2:end]...)
   end
   return B
 end
diff --git a/src/Types.jl b/src/Types.jl
index ce9e79b..44c91b8 100644
--- a/src/Types.jl
+++ b/src/Types.jl
@@ -131,6 +131,8 @@ function fill(val::Any,a::AbstractMeshArray)
   return c
 end
 
+fill(val::Any,a::gcmgrid,args...) = val .* ones(a,args...)
+
 function fill!(a::AbstractMeshArray,val::Any)
   for I in eachindex(a.f)
     fill!(a.f[I],val)
@@ -171,3 +173,39 @@ function *(a::AbstractMeshArray,b::AbstractMeshArray)
   end
   return c
 end
+
+function *(a::AbstractMeshArray,b::Array)
+  c=MeshArray(a.grid,eltype(a[eachindex(a.f)[1]]),size(b)...)
+  for f in 1:length(a.f)
+    for bb in eachindex(IndexCartesian(),b)
+      c.f[f,bb.I...].=b[bb.I...]*a[f]
+    end
+  end
+  return c
+end
+
+import Base: ones, zeros
+
+function zeros(a::gcmgrid,args...)
+  b=MeshArray(a)
+  [b.f[c].=1.0 for c in eachindex(b.f)]
+  (length(args)>0 ? b*ones(args...) : b) 
+end
+
+function ones(a::gcmgrid,args...)
+  b=MeshArray(a)
+  [b.f[c].=1.0 for c in eachindex(b.f)]
+  (length(args)>0 ? b*ones(args...) : b) 
+end
+
+function zeros(a::AbstractMeshArray)
+  b=similar(a)
+  [b.f[c].=0.0 for c in eachindex(b.f)]
+  b
+end
+
+function ones(a::AbstractMeshArray)
+  b=similar(a)
+  [b.f[c].=1.0 for c in eachindex(b.f)]
+  b
+end