diff --git a/.github/workflows/test.yaml b/.github/workflows/test.yaml
index 1f86b425..28e87890 100644
--- a/.github/workflows/test.yaml
+++ b/.github/workflows/test.yaml
@@ -36,6 +36,6 @@ jobs:
           Pkg.Registry.add(RegistrySpec(url="https://github.com/dingraha/DanielIngrahamRegistry"))
         env:
               JULIA_PKG_USE_CLI_GIT: 'true'
-      - uses: julia-actions/julia-runtest@master
+      - uses: julia-actions/julia-runtest@v1
         env:
               JULIA_PKG_USE_CLI_GIT: 'true'
diff --git a/.travis.yml b/.travis.yml
deleted file mode 100644
index 9de6a805..00000000
--- a/.travis.yml
+++ /dev/null
@@ -1,14 +0,0 @@
-# Documentation: http://docs.travis-ci.com/user/languages/julia/
-language: julia
-os:
-  - linux
-  - osx
-julia:
-  - 1.5
-  - nightly
-notifications:
-  email: true
-script:
-    - julia -e 'using Pkg; Pkg.Registry.add(RegistrySpec(url="https://github.com/JuliaRegistries/General.git"))'
-    - julia -e 'using Pkg; Pkg.Registry.add(RegistrySpec(url="git@github.com:dingraha/DanielIngrahamRegistry.git"))'
-    - julia --project --check-bounds=yes -e 'using Pkg; Pkg.instantiate(); Pkg.build(); Pkg.test()'
diff --git a/test/Project.toml b/test/Project.toml
index ff333b84..91eb067b 100644
--- a/test/Project.toml
+++ b/test/Project.toml
@@ -3,13 +3,16 @@ AcousticMetrics = "046f749b-9c1e-43ca-86bc-6902340f753e"
 CCBlade = "e1828068-15df-11e9-03e4-ef195ea46fa4"
 DelimitedFiles = "8bb1440f-4735-579b-a4ab-409b98df4dab"
 FLOWMath = "6cb5d3fb-0fe8-4cc2-bd89-9fe0b19a99d3"
+Formatting = "59287772-0a20-5a39-b81b-1366585eb4c0"
 ForwardDiff = "f6369f11-7733-5829-9624-2563aa707210"
 Interpolations = "a98d9a8b-a2ab-59e6-89dd-64a1c18fca59"
+JLD2 = "033835bb-8acc-5ee8-8aae-3f567f8a3819"
 KinematicCoordinateTransformations = "730d3219-0a85-48f9-b699-9f31f8913d09"
 LinearAlgebra = "37e2e46d-f89d-539d-b4ee-838fcccc9c8e"
 NLsolve = "2774e3e8-f4cf-5e23-947b-6d7e65073b56"
 Polynomials = "f27b6e38-b328-58d1-80ce-0feddd5e7a45"
 Printf = "de0858da-6303-5e67-8744-51eddeeeb8d7"
 Random = "9a3f8284-a2c9-5f02-9a11-845980a1fd5c"
+SHA = "ea8e919c-243c-51af-8825-aaa63cd721ce"
 StaticArrays = "90137ffa-7385-5640-81b9-e52037218182"
 Test = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
diff --git a/test/runtests.jl b/test/runtests.jl
index 59c938ba..507fdfc8 100644
--- a/test/runtests.jl
+++ b/test/runtests.jl
@@ -6,5 +6,6 @@ include("f1a_tests.jl")
 include("ccblade_helper_tests.jl")
 include("anopp2_comparison.jl")
 include("forwarddiff_test.jl")
+include("writevtk_tests.jl")
 
 end # module
diff --git a/test/writevtk/Manifest.toml b/test/writevtk/Manifest.toml
new file mode 100644
index 00000000..b303a260
--- /dev/null
+++ b/test/writevtk/Manifest.toml
@@ -0,0 +1,501 @@
+# This file is machine-generated - editing it directly is not advised
+
+julia_version = "1.9.1"
+manifest_format = "2.0"
+project_hash = "74b07ef318d686055841ccabb9c4627a1f2eddd4"
+
+[[deps.AbstractFFTs]]
+deps = ["LinearAlgebra"]
+git-tree-sha1 = "8bc0aaec0ca548eb6cf5f0d7d16351650c1ee956"
+uuid = "621f4979-c628-5d54-868e-fcf4e3e8185c"
+version = "1.3.2"
+weakdeps = ["ChainRulesCore"]
+
+    [deps.AbstractFFTs.extensions]
+    AbstractFFTsChainRulesCoreExt = "ChainRulesCore"
+
+[[deps.AcousticAnalogies]]
+deps = ["AcousticMetrics", "CCBlade", "ConcreteStructs", "FLOWMath", "Formatting", "KinematicCoordinateTransformations", "LinearAlgebra", "SingleFieldStructArrays", "StaticArrays", "WriteVTK"]
+path = "../.."
+uuid = "e71b3392-1e0c-4536-b366-2bd1fce6fba0"
+version = "0.7.1"
+
+[[deps.AcousticMetrics]]
+deps = ["ConcreteStructs", "FFTW", "ForwardDiff", "OffsetArrays"]
+path = "../../../AcousticMetrics"
+uuid = "046f749b-9c1e-43ca-86bc-6902340f753e"
+version = "0.6.1"
+
+[[deps.Adapt]]
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+uuid = "79e6a3ab-5dfb-504d-930d-738a2a938a0e"
+version = "3.6.2"
+weakdeps = ["StaticArrays"]
+
+    [deps.Adapt.extensions]
+    AdaptStaticArraysExt = "StaticArrays"
+
+[[deps.ArgTools]]
+uuid = "0dad84c5-d112-42e6-8d28-ef12dabb789f"
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+
+[[deps.Artifacts]]
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+
+[[deps.Base64]]
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+
+[[deps.CCBlade]]
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+
+[[deps.ChainRulesCore]]
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+
+[[deps.CodecZlib]]
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+
+[[deps.CommonSubexpressions]]
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+
+[[deps.Compat]]
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+version = "4.7.0"
+weakdeps = ["Dates", "LinearAlgebra"]
+
+    [deps.Compat.extensions]
+    CompatLinearAlgebraExt = "LinearAlgebra"
+
+[[deps.CompilerSupportLibraries_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "e66e0078-7015-5450-92f7-15fbd957f2ae"
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+
+[[deps.ConcreteStructs]]
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+
+[[deps.Dates]]
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+
+[[deps.DiffResults]]
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+
+[[deps.DiffRules]]
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+[[deps.DocStringExtensions]]
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+
+[[deps.Downloads]]
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+uuid = "f43a241f-c20a-4ad4-852c-f6b1247861c6"
+version = "1.6.0"
+
+[[deps.FFTW]]
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+[[deps.FFTW_jll]]
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+[[deps.FLOWMath]]
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+[[deps.FileWatching]]
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+[[deps.FillArrays]]
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+[[deps.Formatting]]
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+
+[[deps.ForwardDiff]]
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+uuid = "f6369f11-7733-5829-9624-2563aa707210"
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+weakdeps = ["StaticArrays"]
+
+    [deps.ForwardDiff.extensions]
+    ForwardDiffStaticArraysExt = "StaticArrays"
+
+[[deps.FunctionWrappers]]
+git-tree-sha1 = "d62485945ce5ae9c0c48f124a84998d755bae00e"
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+
+[[deps.ImplicitAD]]
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+[[deps.IntelOpenMP_jll]]
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+[[deps.InteractiveUtils]]
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+[[deps.InverseFunctions]]
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+[[deps.JLD2]]
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+[[deps.LogExpFunctions]]
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+
+    [deps.LogExpFunctions.extensions]
+    LogExpFunctionsChainRulesCoreExt = "ChainRulesCore"
+    LogExpFunctionsChangesOfVariablesExt = "ChangesOfVariables"
+    LogExpFunctionsInverseFunctionsExt = "InverseFunctions"
+
+    [deps.LogExpFunctions.weakdeps]
+    ChainRulesCore = "d360d2e6-b24c-11e9-a2a3-2a2ae2dbcce4"
+    ChangesOfVariables = "9e997f8a-9a97-42d5-a9f1-ce6bfc15e2c0"
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+git-tree-sha1 = "5fb7c1053046a80b53cf9c0ef8526ea656de7b8c"
+uuid = "37e2e3b7-166d-5795-8a7a-e32c996b4267"
+version = "1.14.6"
+
+[[deps.SHA]]
+uuid = "ea8e919c-243c-51af-8825-aaa63cd721ce"
+version = "0.7.0"
+
+[[deps.Serialization]]
+uuid = "9e88b42a-f829-5b0c-bbe9-9e923198166b"
+
+[[deps.SingleFieldStructArrays]]
+git-tree-sha1 = "4de37c7f383c1d3bd821232751642ffdff9155e0"
+uuid = "5dd5ea32-d67d-426d-b4ce-2ad113187929"
+version = "0.3.1"
+
+[[deps.Sockets]]
+uuid = "6462fe0b-24de-5631-8697-dd941f90decc"
+
+[[deps.SparseArrays]]
+deps = ["Libdl", "LinearAlgebra", "Random", "Serialization", "SuiteSparse_jll"]
+uuid = "2f01184e-e22b-5df5-ae63-d93ebab69eaf"
+
+[[deps.SpecialFunctions]]
+deps = ["IrrationalConstants", "LogExpFunctions", "OpenLibm_jll", "OpenSpecFun_jll"]
+git-tree-sha1 = "7beb031cf8145577fbccacd94b8a8f4ce78428d3"
+uuid = "276daf66-3868-5448-9aa4-cd146d93841b"
+version = "2.3.0"
+weakdeps = ["ChainRulesCore"]
+
+    [deps.SpecialFunctions.extensions]
+    SpecialFunctionsChainRulesCoreExt = "ChainRulesCore"
+
+[[deps.StaticArrays]]
+deps = ["LinearAlgebra", "Random", "StaticArraysCore"]
+git-tree-sha1 = "0da7e6b70d1bb40b1ace3b576da9ea2992f76318"
+uuid = "90137ffa-7385-5640-81b9-e52037218182"
+version = "1.6.0"
+weakdeps = ["Statistics"]
+
+    [deps.StaticArrays.extensions]
+    StaticArraysStatisticsExt = "Statistics"
+
+[[deps.StaticArraysCore]]
+git-tree-sha1 = "6b7ba252635a5eff6a0b0664a41ee140a1c9e72a"
+uuid = "1e83bf80-4336-4d27-bf5d-d5a4f845583c"
+version = "1.4.0"
+
+[[deps.Statistics]]
+deps = ["LinearAlgebra", "SparseArrays"]
+uuid = "10745b16-79ce-11e8-11f9-7d13ad32a3b2"
+version = "1.9.0"
+
+[[deps.SuiteSparse_jll]]
+deps = ["Artifacts", "Libdl", "Pkg", "libblastrampoline_jll"]
+uuid = "bea87d4a-7f5b-5778-9afe-8cc45184846c"
+version = "5.10.1+6"
+
+[[deps.TOML]]
+deps = ["Dates"]
+uuid = "fa267f1f-6049-4f14-aa54-33bafae1ed76"
+version = "1.0.3"
+
+[[deps.Tar]]
+deps = ["ArgTools", "SHA"]
+uuid = "a4e569a6-e804-4fa4-b0f3-eef7a1d5b13e"
+version = "1.10.0"
+
+[[deps.Test]]
+deps = ["InteractiveUtils", "Logging", "Random", "Serialization"]
+uuid = "8dfed614-e22c-5e08-85e1-65c5234f0b40"
+
+[[deps.TranscodingStreams]]
+deps = ["Random", "Test"]
+git-tree-sha1 = "9a6ae7ed916312b41236fcef7e0af564ef934769"
+uuid = "3bb67fe8-82b1-5028-8e26-92a6c54297fa"
+version = "0.9.13"
+
+[[deps.UUIDs]]
+deps = ["Random", "SHA"]
+uuid = "cf7118a7-6976-5b1a-9a39-7adc72f591a4"
+
+[[deps.Unicode]]
+uuid = "4ec0a83e-493e-50e2-b9ac-8f72acf5a8f5"
+
+[[deps.VTKBase]]
+git-tree-sha1 = "c2d0db3ef09f1942d08ea455a9e252594be5f3b6"
+uuid = "4004b06d-e244-455f-a6ce-a5f9919cc534"
+version = "1.0.1"
+
+[[deps.WriteVTK]]
+deps = ["Base64", "CodecZlib", "FillArrays", "LightXML", "TranscodingStreams", "VTKBase"]
+git-tree-sha1 = "7b46936613e41cfe1c6a5897d243ddcab8feabec"
+uuid = "64499a7a-5c06-52f2-abe2-ccb03c286192"
+version = "1.18.0"
+
+[[deps.XML2_jll]]
+deps = ["Artifacts", "JLLWrappers", "Libdl", "Libiconv_jll", "Pkg", "Zlib_jll"]
+git-tree-sha1 = "93c41695bc1c08c46c5899f4fe06d6ead504bb73"
+uuid = "02c8fc9c-b97f-50b9-bbe4-9be30ff0a78a"
+version = "2.10.3+0"
+
+[[deps.Zlib_jll]]
+deps = ["Libdl"]
+uuid = "83775a58-1f1d-513f-b197-d71354ab007a"
+version = "1.2.13+0"
+
+[[deps.libblastrampoline_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "8e850b90-86db-534c-a0d3-1478176c7d93"
+version = "5.8.0+0"
+
+[[deps.nghttp2_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "8e850ede-7688-5339-a07c-302acd2aaf8d"
+version = "1.48.0+0"
+
+[[deps.p7zip_jll]]
+deps = ["Artifacts", "Libdl"]
+uuid = "3f19e933-33d8-53b3-aaab-bd5110c3b7a0"
+version = "17.4.0+0"
diff --git a/test/writevtk/Project.toml b/test/writevtk/Project.toml
new file mode 100644
index 00000000..8c34c955
--- /dev/null
+++ b/test/writevtk/Project.toml
@@ -0,0 +1,4 @@
+[deps]
+AcousticAnalogies = "e71b3392-1e0c-4536-b366-2bd1fce6fba0"
+CCBlade = "e1828068-15df-11e9-03e4-ef195ea46fa4"
+JLD2 = "033835bb-8acc-5ee8-8aae-3f567f8a3819"
diff --git a/test/writevtk/cf1a.jld2 b/test/writevtk/cf1a.jld2
new file mode 100644
index 00000000..47bdb11c
Binary files /dev/null and b/test/writevtk/cf1a.jld2 differ
diff --git a/test/writevtk/cf1a.pvd b/test/writevtk/cf1a.pvd
new file mode 100644
index 00000000..263f75ec
--- /dev/null
+++ b/test/writevtk/cf1a.pvd
@@ -0,0 +1,69 @@
+<?xml version="1.0" encoding="utf-8"?>
+<VTKFile type="Collection" version="1.0" byte_order="LittleEndian" compressor="vtkZLibDataCompressor">
+  <Collection>
+    <DataSet timestep="0.0" part="0" file="cf1a00000001.vtp"/>
+    <DataSet timestep="0.0004261363636363636" part="0" file="cf1a00000002.vtp"/>
+    <DataSet timestep="0.0008522727272727272" part="0" file="cf1a00000003.vtp"/>
+    <DataSet timestep="0.001278409090909091" part="0" file="cf1a00000004.vtp"/>
+    <DataSet timestep="0.0017045454545454545" part="0" file="cf1a00000005.vtp"/>
+    <DataSet timestep="0.002130681818181818" part="0" file="cf1a00000006.vtp"/>
+    <DataSet timestep="0.002556818181818182" part="0" file="cf1a00000007.vtp"/>
+    <DataSet timestep="0.0029829545454545456" part="0" file="cf1a00000008.vtp"/>
+    <DataSet timestep="0.003409090909090909" part="0" file="cf1a00000009.vtp"/>
+    <DataSet timestep="0.0038352272727272727" part="0" file="cf1a00000010.vtp"/>
+    <DataSet timestep="0.004261363636363636" part="0" file="cf1a00000011.vtp"/>
+    <DataSet timestep="0.0046875" part="0" file="cf1a00000012.vtp"/>
+    <DataSet timestep="0.005113636363636364" part="0" file="cf1a00000013.vtp"/>
+    <DataSet timestep="0.005539772727272727" part="0" file="cf1a00000014.vtp"/>
+    <DataSet timestep="0.005965909090909091" part="0" file="cf1a00000015.vtp"/>
+    <DataSet timestep="0.006392045454545455" part="0" file="cf1a00000016.vtp"/>
+    <DataSet timestep="0.006818181818181818" part="0" file="cf1a00000017.vtp"/>
+    <DataSet timestep="0.007244318181818182" part="0" file="cf1a00000018.vtp"/>
+    <DataSet timestep="0.007670454545454545" part="0" file="cf1a00000019.vtp"/>
+    <DataSet timestep="0.00809659090909091" part="0" file="cf1a00000020.vtp"/>
+    <DataSet timestep="0.008522727272727272" part="0" file="cf1a00000021.vtp"/>
+    <DataSet timestep="0.008948863636363637" part="0" file="cf1a00000022.vtp"/>
+    <DataSet timestep="0.009375" part="0" file="cf1a00000023.vtp"/>
+    <DataSet timestep="0.009801136363636364" part="0" file="cf1a00000024.vtp"/>
+    <DataSet timestep="0.010227272727272727" part="0" file="cf1a00000025.vtp"/>
+    <DataSet timestep="0.01065340909090909" part="0" file="cf1a00000026.vtp"/>
+    <DataSet timestep="0.011079545454545455" part="0" file="cf1a00000027.vtp"/>
+    <DataSet timestep="0.011505681818181818" part="0" file="cf1a00000028.vtp"/>
+    <DataSet timestep="0.011931818181818182" part="0" file="cf1a00000029.vtp"/>
+    <DataSet timestep="0.012357954545454545" part="0" file="cf1a00000030.vtp"/>
+    <DataSet timestep="0.01278409090909091" part="0" file="cf1a00000031.vtp"/>
+    <DataSet timestep="0.013210227272727273" part="0" file="cf1a00000032.vtp"/>
+    <DataSet timestep="0.013636363636363636" part="0" file="cf1a00000033.vtp"/>
+    <DataSet timestep="0.0140625" part="0" file="cf1a00000034.vtp"/>
+    <DataSet timestep="0.014488636363636363" part="0" file="cf1a00000035.vtp"/>
+    <DataSet timestep="0.014914772727272728" part="0" file="cf1a00000036.vtp"/>
+    <DataSet timestep="0.01534090909090909" part="0" file="cf1a00000037.vtp"/>
+    <DataSet timestep="0.015767045454545454" part="0" file="cf1a00000038.vtp"/>
+    <DataSet timestep="0.01619318181818182" part="0" file="cf1a00000039.vtp"/>
+    <DataSet timestep="0.016619318181818183" part="0" file="cf1a00000040.vtp"/>
+    <DataSet timestep="0.017045454545454544" part="0" file="cf1a00000041.vtp"/>
+    <DataSet timestep="0.01747159090909091" part="0" file="cf1a00000042.vtp"/>
+    <DataSet timestep="0.017897727272727273" part="0" file="cf1a00000043.vtp"/>
+    <DataSet timestep="0.018323863636363635" part="0" file="cf1a00000044.vtp"/>
+    <DataSet timestep="0.01875" part="0" file="cf1a00000045.vtp"/>
+    <DataSet timestep="0.019176136363636364" part="0" file="cf1a00000046.vtp"/>
+    <DataSet timestep="0.01960227272727273" part="0" file="cf1a00000047.vtp"/>
+    <DataSet timestep="0.02002840909090909" part="0" file="cf1a00000048.vtp"/>
+    <DataSet timestep="0.020454545454545454" part="0" file="cf1a00000049.vtp"/>
+    <DataSet timestep="0.02088068181818182" part="0" file="cf1a00000050.vtp"/>
+    <DataSet timestep="0.02130681818181818" part="0" file="cf1a00000051.vtp"/>
+    <DataSet timestep="0.021732954545454545" part="0" file="cf1a00000052.vtp"/>
+    <DataSet timestep="0.02215909090909091" part="0" file="cf1a00000053.vtp"/>
+    <DataSet timestep="0.022585227272727274" part="0" file="cf1a00000054.vtp"/>
+    <DataSet timestep="0.023011363636363635" part="0" file="cf1a00000055.vtp"/>
+    <DataSet timestep="0.0234375" part="0" file="cf1a00000056.vtp"/>
+    <DataSet timestep="0.023863636363636365" part="0" file="cf1a00000057.vtp"/>
+    <DataSet timestep="0.024289772727272726" part="0" file="cf1a00000058.vtp"/>
+    <DataSet timestep="0.02471590909090909" part="0" file="cf1a00000059.vtp"/>
+    <DataSet timestep="0.025142045454545455" part="0" file="cf1a00000060.vtp"/>
+    <DataSet timestep="0.02556818181818182" part="0" file="cf1a00000061.vtp"/>
+    <DataSet timestep="0.02599431818181818" part="0" file="cf1a00000062.vtp"/>
+    <DataSet timestep="0.026420454545454546" part="0" file="cf1a00000063.vtp"/>
+    <DataSet timestep="0.02684659090909091" part="0" file="cf1a00000064.vtp"/>
+  </Collection>
+</VTKFile>
diff --git a/test/writevtk/cf1a00000001.vtp b/test/writevtk/cf1a00000001.vtp
new file mode 100644
index 00000000..f5287cbd
Binary files /dev/null and b/test/writevtk/cf1a00000001.vtp differ
diff --git a/test/writevtk/cf1a00000002.vtp b/test/writevtk/cf1a00000002.vtp
new file mode 100644
index 00000000..d4f3d4c6
Binary files /dev/null and b/test/writevtk/cf1a00000002.vtp differ
diff --git a/test/writevtk/cf1a00000003.vtp b/test/writevtk/cf1a00000003.vtp
new file mode 100644
index 00000000..4a3926b5
Binary files /dev/null and b/test/writevtk/cf1a00000003.vtp differ
diff --git a/test/writevtk/cf1a00000004.vtp b/test/writevtk/cf1a00000004.vtp
new file mode 100644
index 00000000..36363474
Binary files /dev/null and b/test/writevtk/cf1a00000004.vtp differ
diff --git a/test/writevtk/cf1a00000005.vtp b/test/writevtk/cf1a00000005.vtp
new file mode 100644
index 00000000..eb851843
Binary files /dev/null and b/test/writevtk/cf1a00000005.vtp differ
diff --git a/test/writevtk/cf1a00000006.vtp b/test/writevtk/cf1a00000006.vtp
new file mode 100644
index 00000000..6826097a
Binary files /dev/null and b/test/writevtk/cf1a00000006.vtp differ
diff --git a/test/writevtk/cf1a00000007.vtp b/test/writevtk/cf1a00000007.vtp
new file mode 100644
index 00000000..fe5b11d5
Binary files /dev/null and b/test/writevtk/cf1a00000007.vtp differ
diff --git a/test/writevtk/cf1a00000008.vtp b/test/writevtk/cf1a00000008.vtp
new file mode 100644
index 00000000..77d989b4
Binary files /dev/null and b/test/writevtk/cf1a00000008.vtp differ
diff --git a/test/writevtk/cf1a00000009.vtp b/test/writevtk/cf1a00000009.vtp
new file mode 100644
index 00000000..493d6902
Binary files /dev/null and b/test/writevtk/cf1a00000009.vtp differ
diff --git a/test/writevtk/cf1a00000010.vtp b/test/writevtk/cf1a00000010.vtp
new file mode 100644
index 00000000..10fd64f5
Binary files /dev/null and b/test/writevtk/cf1a00000010.vtp differ
diff --git a/test/writevtk/cf1a00000011.vtp b/test/writevtk/cf1a00000011.vtp
new file mode 100644
index 00000000..0a9d0d91
Binary files /dev/null and b/test/writevtk/cf1a00000011.vtp differ
diff --git a/test/writevtk/cf1a00000012.vtp b/test/writevtk/cf1a00000012.vtp
new file mode 100644
index 00000000..e8718c1d
Binary files /dev/null and b/test/writevtk/cf1a00000012.vtp differ
diff --git a/test/writevtk/cf1a00000013.vtp b/test/writevtk/cf1a00000013.vtp
new file mode 100644
index 00000000..a4ab9883
Binary files /dev/null and b/test/writevtk/cf1a00000013.vtp differ
diff --git a/test/writevtk/cf1a00000014.vtp b/test/writevtk/cf1a00000014.vtp
new file mode 100644
index 00000000..5df3fa2e
Binary files /dev/null and b/test/writevtk/cf1a00000014.vtp differ
diff --git a/test/writevtk/cf1a00000015.vtp b/test/writevtk/cf1a00000015.vtp
new file mode 100644
index 00000000..c24cc08a
Binary files /dev/null and b/test/writevtk/cf1a00000015.vtp differ
diff --git a/test/writevtk/cf1a00000016.vtp b/test/writevtk/cf1a00000016.vtp
new file mode 100644
index 00000000..764f6662
Binary files /dev/null and b/test/writevtk/cf1a00000016.vtp differ
diff --git a/test/writevtk/cf1a00000017.vtp b/test/writevtk/cf1a00000017.vtp
new file mode 100644
index 00000000..4e2ae6aa
Binary files /dev/null and b/test/writevtk/cf1a00000017.vtp differ
diff --git a/test/writevtk/cf1a00000018.vtp b/test/writevtk/cf1a00000018.vtp
new file mode 100644
index 00000000..eab87d85
Binary files /dev/null and b/test/writevtk/cf1a00000018.vtp differ
diff --git a/test/writevtk/cf1a00000019.vtp b/test/writevtk/cf1a00000019.vtp
new file mode 100644
index 00000000..b493167b
Binary files /dev/null and b/test/writevtk/cf1a00000019.vtp differ
diff --git a/test/writevtk/cf1a00000020.vtp b/test/writevtk/cf1a00000020.vtp
new file mode 100644
index 00000000..b8a9302b
Binary files /dev/null and b/test/writevtk/cf1a00000020.vtp differ
diff --git a/test/writevtk/cf1a00000021.vtp b/test/writevtk/cf1a00000021.vtp
new file mode 100644
index 00000000..ccf4c6f4
Binary files /dev/null and b/test/writevtk/cf1a00000021.vtp differ
diff --git a/test/writevtk/cf1a00000022.vtp b/test/writevtk/cf1a00000022.vtp
new file mode 100644
index 00000000..ca34660a
Binary files /dev/null and b/test/writevtk/cf1a00000022.vtp differ
diff --git a/test/writevtk/cf1a00000023.vtp b/test/writevtk/cf1a00000023.vtp
new file mode 100644
index 00000000..87f42f50
Binary files /dev/null and b/test/writevtk/cf1a00000023.vtp differ
diff --git a/test/writevtk/cf1a00000024.vtp b/test/writevtk/cf1a00000024.vtp
new file mode 100644
index 00000000..f8b704c2
Binary files /dev/null and b/test/writevtk/cf1a00000024.vtp differ
diff --git a/test/writevtk/cf1a00000025.vtp b/test/writevtk/cf1a00000025.vtp
new file mode 100644
index 00000000..4832c290
Binary files /dev/null and b/test/writevtk/cf1a00000025.vtp differ
diff --git a/test/writevtk/cf1a00000026.vtp b/test/writevtk/cf1a00000026.vtp
new file mode 100644
index 00000000..c9a7d7c2
Binary files /dev/null and b/test/writevtk/cf1a00000026.vtp differ
diff --git a/test/writevtk/cf1a00000027.vtp b/test/writevtk/cf1a00000027.vtp
new file mode 100644
index 00000000..a545dc54
Binary files /dev/null and b/test/writevtk/cf1a00000027.vtp differ
diff --git a/test/writevtk/cf1a00000028.vtp b/test/writevtk/cf1a00000028.vtp
new file mode 100644
index 00000000..d1adede2
Binary files /dev/null and b/test/writevtk/cf1a00000028.vtp differ
diff --git a/test/writevtk/cf1a00000029.vtp b/test/writevtk/cf1a00000029.vtp
new file mode 100644
index 00000000..6dcf9d9f
Binary files /dev/null and b/test/writevtk/cf1a00000029.vtp differ
diff --git a/test/writevtk/cf1a00000030.vtp b/test/writevtk/cf1a00000030.vtp
new file mode 100644
index 00000000..c8c7b79e
Binary files /dev/null and b/test/writevtk/cf1a00000030.vtp differ
diff --git a/test/writevtk/cf1a00000031.vtp b/test/writevtk/cf1a00000031.vtp
new file mode 100644
index 00000000..d7eb795c
Binary files /dev/null and b/test/writevtk/cf1a00000031.vtp differ
diff --git a/test/writevtk/cf1a00000032.vtp b/test/writevtk/cf1a00000032.vtp
new file mode 100644
index 00000000..e5b3dc2c
Binary files /dev/null and b/test/writevtk/cf1a00000032.vtp differ
diff --git a/test/writevtk/cf1a00000033.vtp b/test/writevtk/cf1a00000033.vtp
new file mode 100644
index 00000000..d688505f
Binary files /dev/null and b/test/writevtk/cf1a00000033.vtp differ
diff --git a/test/writevtk/cf1a00000034.vtp b/test/writevtk/cf1a00000034.vtp
new file mode 100644
index 00000000..b0bde10f
Binary files /dev/null and b/test/writevtk/cf1a00000034.vtp differ
diff --git a/test/writevtk/cf1a00000035.vtp b/test/writevtk/cf1a00000035.vtp
new file mode 100644
index 00000000..01c4c7ca
Binary files /dev/null and b/test/writevtk/cf1a00000035.vtp differ
diff --git a/test/writevtk/cf1a00000036.vtp b/test/writevtk/cf1a00000036.vtp
new file mode 100644
index 00000000..86e0660f
Binary files /dev/null and b/test/writevtk/cf1a00000036.vtp differ
diff --git a/test/writevtk/cf1a00000037.vtp b/test/writevtk/cf1a00000037.vtp
new file mode 100644
index 00000000..2b50ea23
Binary files /dev/null and b/test/writevtk/cf1a00000037.vtp differ
diff --git a/test/writevtk/cf1a00000038.vtp b/test/writevtk/cf1a00000038.vtp
new file mode 100644
index 00000000..4c7e0cb4
Binary files /dev/null and b/test/writevtk/cf1a00000038.vtp differ
diff --git a/test/writevtk/cf1a00000039.vtp b/test/writevtk/cf1a00000039.vtp
new file mode 100644
index 00000000..2841ddf8
Binary files /dev/null and b/test/writevtk/cf1a00000039.vtp differ
diff --git a/test/writevtk/cf1a00000040.vtp b/test/writevtk/cf1a00000040.vtp
new file mode 100644
index 00000000..c08e2540
Binary files /dev/null and b/test/writevtk/cf1a00000040.vtp differ
diff --git a/test/writevtk/cf1a00000041.vtp b/test/writevtk/cf1a00000041.vtp
new file mode 100644
index 00000000..57000438
Binary files /dev/null and b/test/writevtk/cf1a00000041.vtp differ
diff --git a/test/writevtk/cf1a00000042.vtp b/test/writevtk/cf1a00000042.vtp
new file mode 100644
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diff --git a/test/writevtk_test.jl b/test/writevtk/gen_writevtk_test_data.jl
similarity index 98%
rename from test/writevtk_test.jl
rename to test/writevtk/gen_writevtk_test_data.jl
index b33e6603..871ee28a 100644
--- a/test/writevtk_test.jl
+++ b/test/writevtk/gen_writevtk_test_data.jl
@@ -1,7 +1,8 @@
-module WriteVTKTest
+module GenWriteVTKTestData
 
 using AcousticAnalogies
 using CCBlade
+using JLD2: JLD2
 
 """
     XROTORAirfoilConfig(A0, DCLDA, CLMAX, CLMIN, DCL_STALL, DCLDA_STALL, CDMIN, CLDMIN, DCDCL2, REREF, REXP, MCRIT)
@@ -238,7 +239,7 @@ function af_xrotor(alpha, Re, Mach, config::XROTORAirfoilConfig)
       return CLIFT, CDRAG
 end
 
-function doit(name)
+function main()
     rpm = 2200.0
     omega = rpm*(2*pi/60.0)
 
@@ -295,9 +296,13 @@ function doit(name)
     num_source_times = 64
     ses = source_elements_ccblade(rotor, sections, ops, outs, fill(cs_area_over_chord_squared, length(radii)), period, num_source_times)
 
+    name = "cf1a"
+    JLD2.jldopen("$(name).jld2", "w") do file
+        file["ses"] = ses
+    end
+
     pvd = AcousticAnalogies.to_paraview_collection(name, ses)
 
-    return pvd
 end
 
 end  # module
diff --git a/test/writevtk_tests.jl b/test/writevtk_tests.jl
new file mode 100644
index 00000000..499bfa4f
--- /dev/null
+++ b/test/writevtk_tests.jl
@@ -0,0 +1,38 @@
+module WriteVTKTests
+
+using AcousticAnalogies
+using Formatting: format
+using JLD2: JLD2
+using SHA: sha1
+using Test
+
+@testset "WriteVTK tests" begin
+
+    @testset "Compact F1A source elements" begin
+        fname = joinpath(@__DIR__, "writevtk", "cf1a.jld2")
+
+        ses = nothing
+        JLD2.jldopen(fname, "r") do file
+            ses = file["ses"]
+        end
+
+        name = "cf1a"
+        pvd = AcousticAnalogies.to_paraview_collection(name, ses)
+
+        for i in 1:size(ses, 1)
+            fname = format("{}{:08d}.vtp", name, i)
+            sha_str = bytes2hex(open(sha1, fname))
+            sha_str_check = bytes2hex(open(sha1, joinpath("writevtk", fname)))
+            @test sha_str == sha_str_check
+        end
+
+        fname = "$(name).pvd"
+        sha_str = bytes2hex(open(sha1, fname))
+        sha_str_check = bytes2hex(open(sha1, joinpath("writevtk", fname)))
+        @test sha_str == sha_str_check
+
+    end
+
+end
+
+end # module