diff --git a/apps/benchmarks/CMakeLists.txt b/apps/benchmarks/CMakeLists.txt
index 420dc32d3c973993890656ce458d65cd32a2d835..d16b4255d1c2d48cc25d1d9587f453a7c321ce28 100644
--- a/apps/benchmarks/CMakeLists.txt
+++ b/apps/benchmarks/CMakeLists.txt
@@ -1,5 +1,4 @@
 add_subdirectory( AdaptiveMeshRefinementFluidParticleCoupling )
-add_subdirectory( CNT )
 add_subdirectory( ComplexGeometry )
 add_subdirectory( DEM )
 add_subdirectory( MeshDistance )
diff --git a/apps/benchmarks/CNT/CMakeLists.txt b/apps/benchmarks/CNT/CMakeLists.txt
deleted file mode 100644
index 5fc6f783f975d0cff2ddf7f82ed959f747a9eaf1..0000000000000000000000000000000000000000
--- a/apps/benchmarks/CNT/CMakeLists.txt
+++ /dev/null
@@ -1,5 +0,0 @@
-waLBerla_add_executable ( NAME VBondModel
-                          FILES VBondModel.cpp
-                          DEPENDS core mesa_pd )
-#waLBerla_execute_test( NAME MESA_PD_CNT_VBondModel
-#                       COMMAND $<TARGET_FILE:VBondModel> )
diff --git a/src/mesa_pd/kernel/cnt/VBondContact.h b/src/mesa_pd/kernel/cnt/VBondContact.h
index 2153daa69b6fb3e8c1d695c350675331d39880be..6bc5edf98e7bdb8c3adee076a712ea42bc15dccf 100644
--- a/src/mesa_pd/kernel/cnt/VBondContact.h
+++ b/src/mesa_pd/kernel/cnt/VBondContact.h
@@ -55,6 +55,12 @@ namespace cnt {
 class VBondContact
 {
 public:
+   VBondContact( const Vector3<bool>& isPeriodic = Vector3<bool>{false, false, false},
+                 const Vector3<int64_t>& maxSegments = Vector3<real_t>{0, 0, 0} )
+   : isPeriodic_(isPeriodic)
+   , maxSegments_(maxSegments)
+   {}
+
    template<typename Accessor>
    void operator()(const size_t p_idx1,
                    const size_t p_idx2,
@@ -73,13 +79,24 @@ public:
    static constexpr real_t B3 = -2_r * E * J / a - G * Jp / (2_r * a);
    static constexpr real_t B4 = G * Jp / a;
 
-   Vector3<bool> isPeriodic_;
-   Vector3<int64_t> maxSegments_;
 
+
+   /// Get tensile energy from last contact.
+   auto getLastTensileEnergy() const {return tensileEnergy;}
+   /// Get shear energy from last contact.
+   auto getLastShearEnergy() const {return shearEnergy;}
+   /// Get bending energy from last contact.
+   auto getLastBendingEnergy() const {return bendingEnergy;}
+   /// Get twisting energy from last contact.
+   auto getLastTwistingEnergy() const {return twistingEnergy;}
+private:
    real_t tensileEnergy;
    real_t shearEnergy;
    real_t bendingEnergy;
    real_t twistingEnergy;
+
+   Vector3<bool> isPeriodic_;
+   Vector3<int64_t> maxSegments_;
 };
 
 
diff --git a/tests/mesa_pd/CMakeLists.txt b/tests/mesa_pd/CMakeLists.txt
index 310062c6d84c81bb8c1cf872c2e9d67c303698e5..d84af9fb2bb46c8dafaf37ebeba3b4fcf8f1237c 100644
--- a/tests/mesa_pd/CMakeLists.txt
+++ b/tests/mesa_pd/CMakeLists.txt
@@ -90,6 +90,9 @@ waLBerla_execute_test( NAME   MESA_PD_Kernel_CNT_IsotropicVDWContact )
 waLBerla_compile_test( NAME   MESA_PD_Kernel_CNT_VBondContact FILES kernel/cnt/VBondContact.test.cpp DEPENDS core )
 waLBerla_execute_test( NAME   MESA_PD_Kernel_CNT_VBondContact )
 
+waLBerla_compile_test( NAME   MESA_PD_Kernel_CNT_VBondContactIntegration FILES kernel/cnt/VBondContactIntegration.test.cpp DEPENDS core )
+waLBerla_execute_test( NAME   MESA_PD_Kernel_CNT_VBondContactIntegration )
+
 waLBerla_compile_test( NAME   MESA_PD_Kernel_CoefficientOfRestitutionSD FILES kernel/CoefficientOfRestitutionSD.cpp DEPENDS core )
 waLBerla_execute_test( NAME   MESA_PD_Kernel_CoefficientOfRestitutionSDEuler COMMAND $<TARGET_FILE:MESA_PD_Kernel_CoefficientOfRestitutionSD> )
 waLBerla_execute_test( NAME   MESA_PD_Kernel_CoefficientOfRestitutionSDVelocityVerlet COMMAND $<TARGET_FILE:MESA_PD_Kernel_CoefficientOfRestitutionSD> --useVV )
diff --git a/apps/benchmarks/CNT/Accessor.h b/tests/mesa_pd/kernel/cnt/SphericalSegmentAccessor.h
similarity index 92%
rename from apps/benchmarks/CNT/Accessor.h
rename to tests/mesa_pd/kernel/cnt/SphericalSegmentAccessor.h
index d23002562eee622245ae2865057b6ff89937d537..22c09b56486a3d4c6b9332b0b56c0a63bb66fdea 100644
--- a/apps/benchmarks/CNT/Accessor.h
+++ b/tests/mesa_pd/kernel/cnt/SphericalSegmentAccessor.h
@@ -28,10 +28,10 @@
 namespace walberla {
 namespace mesa_pd {
 
-class Accessor : public data::ParticleAccessor
+class SphericalSegmentAccessor : public data::ParticleAccessor
 {
 public:
-   Accessor(std::shared_ptr<data::ParticleStorage>& ps)
+   SphericalSegmentAccessor(std::shared_ptr<data::ParticleStorage>& ps)
    : ParticleAccessor(ps)
    {}
 
diff --git a/tests/mesa_pd/kernel/cnt/VBondContactEnergies.ref.txt b/tests/mesa_pd/kernel/cnt/VBondContactEnergies.ref.txt
new file mode 100644
index 0000000000000000000000000000000000000000..7608c5ea92ae8eefd6d70197bcf5c0defe6f9cbe
--- /dev/null
+++ b/tests/mesa_pd/kernel/cnt/VBondContactEnergies.ref.txt
@@ -0,0 +1,4 @@
+0.000000000000000000e+00 9.769598930999999488e-25 1.257361055000000031e-14 3.899420607000000291e-15 2.000811218999999922e-12 4.690882740999999754e-11 3.101953598000000151e-10 1.079764155999999945e-09 2.624524298999999930e-09 5.413337421000000074e-09 1.084774037999999922e-08 2.202161062999999972e-08 4.378177583000000040e-08 8.112557732999999511e-08 1.362031657999999954e-07 2.072490092999999965e-07 2.924839492000000040e-07 3.965729058000000265e-07 5.325625850000000057e-07 7.156604478000000376e-07 9.545334436000000305e-07 1.248477076000000054e-06 1.591471921999999927e-06 1.978461101000000019e-06 2.412201610999999981e-06 2.908983651000000108e-06 3.493892384000000026e-06 4.183487506000000047e-06 4.973947920999999592e-06 5.849722148000000380e-06 6.801382250000000419e-06 7.833933107000000422e-06 8.966690885999999394e-06 1.023102611999999984e-05 1.165832549999999958e-05 1.325937714000000014e-05 1.501796961000000055e-05 1.691057721000000048e-05 1.893294801000000075e-05 2.111153134000000168e-05 2.349887435999999891e-05 2.615664121000000147e-05 2.912830002999999975e-05 3.242019864000000189e-05 3.601281649999999693e-05 3.989370787000000139e-05 4.408250137000000325e-05 4.863492345000000269e-05 5.363050996999999876e-05 5.914455918000000094e-05 6.521380048999999711e-05 7.182577398000000192e-05 7.894784417999999374e-05 8.657194118999999579e-05 9.474034216000000376e-05 1.035425176999999944e-04 1.130884250999999996e-04 1.234655437999999960e-04 1.347034647999999896e-04 1.467775908999999993e-04 1.596532001999999945e-04 1.733353551999999940e-04 1.878913344999999990e-04 2.034373955999999939e-04 2.200960170999999928e-04 2.379396507000000128e-04 2.569529171999999939e-04 2.770438951999999950e-04 2.981047208000000268e-04 3.200826908000000098e-04 3.430091486000000031e-04 3.669610926000000002e-04 3.919788862999999918e-04 4.179935286000000015e-04 4.448076550999999885e-04 4.721433329999999797e-04 4.997362688000000271e-04 5.274214652999999501e-04 5.551469528999999686e-04 5.828994754999999471e-04 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1.911080611000000058e-03 1.848496493000000018e-03 1.801432949000000058e-03 1.761924603999999971e-03 1.722726310000000007e-03 1.679771926000000028e-03 1.633210188000000073e-03 1.586530949999999949e-03 1.544203826000000021e-03 1.508959192999999917e-03 1.479988882999999948e-03 1.452865952999999894e-03 1.421139404999999982e-03 1.378787645000000050e-03 1.322391497999999979e-03 1.252136445000000004e-03 1.171393962000000016e-03 1.085298931999999911e-03 9.990963830999999556e-04 9.169454146999999906e-04 8.414649593999999752e-04 7.738635806000000034e-04 7.142696037000000530e-04 6.619547717999999664e-04 6.154109309000000338e-04 5.724746999000000520e-04 5.307254516000000288e-04 4.881910606000000228e-04 4.441265271000000231e-04 3.994804029999999792e-04 3.567500820000000226e-04 3.192105520999999964e-04 2.898156044999999860e-04 2.702295482000000200e-04 2.603625255999999773e-04 2.585133214000000213e-04 2.619345707000000239e-04 2.674901391000000209e-04 2.721363636999999920e-04 2.731605601999999885e-04 2.683050983999999946e-04 2.559644066999999757e-04 2.355363272000000072e-04 2.078241537000000009e-04 1.752604007000000080e-04 1.417542710999999912e-04 1.121394326000000030e-04 9.140599956999999603e-05 8.400608521999999704e-05 9.345805127999999324e-05 1.222826734999999982e-04 1.721083782999999949e-04 2.437076380999999930e-04 3.368191064000000050e-04 4.498102149000000080e-04 5.794148548999999591e-04 7.208238189999999733e-04 8.682751520999999707e-04 1.016051477000000066e-03 1.159568349000000050e-03 1.296149590999999936e-03 1.425178852000000100e-03 1.547548482999999957e-03 1.664596123999999896e-03 1.776918861999999969e-03 1.883515277000000080e-03 1.981611274000000082e-03 2.067307152999999821e-03 2.136901844000000175e-03 2.188486285000000066e-03 2.223239369999999940e-03 2.245883143000000030e-03 2.263988864000000215e-03 2.286224474000000170e-03 2.320064704999999939e-03 2.369768258999999794e-03 2.435409236999999845e-03 2.513390998999999806e-03 2.598287540999999912e-03 2.685297431000000130e-03 2.772324287000000210e-03 2.860863017999999876e-03 2.955410642999999928e-03 3.061780337000000012e-03 3.185155612000000001e-03 3.328756505000000140e-03 3.493597152000000022e-03 3.679210747000000083e-03 3.884726459000000139e-03 4.109559672000000392e-03 4.353274094999999913e-03 4.614711631000000154e-03 4.890953213999999979e-03 5.176805357999999906e-03 5.465232294000000116e-03 5.748635493000000402e-03 6.020421086000000283e-03 6.276152406999999794e-03 6.513830709999999732e-03 6.733327947999999570e-03 6.935430771000000195e-03 7.121103547000000138e-03 7.291372968999999989e-03 7.447812013999999779e-03 7.593209216000000074e-03 7.731875903000000327e-03 7.869242012000000203e-03 8.010801822999999433e-03 8.160854594999999295e-03 8.321620219999999180e-03 8.493121343999999670e-03 8.673822093999999927e-03 8.861628364000000146e-03 9.054696164000000311e-03 9.251637878999999579e-03 9.451068414999999612e-03 9.650795642000000243e-03 9.847143717000000213e-03 1.003482275000000014e-02 1.020748328000000045e-02 1.035877426000000011e-02 1.048351951999999983e-02 1.057862350999999937e-02 1.064348017000000049e-02 1.067986915999999918e-02 1.069145955000000078e-02 1.068305202000000009e-02 1.065963464000000034e-02 1.062530369000000072e-02 1.058217646000000033e-02 1.052956290000000086e-02 1.046375540999999916e-02 1.037871926999999958e-02 1.026768682000000002e-02 1.012526933999999962e-02 9.949390924999999136e-03 9.742299588999999219e-03 9.510198683999999958e-03 9.261575311999999810e-03 9.004852016000000625e-03 8.746285713999999226e-03 8.488921463999999847e-03 8.232918779999999145e-03 7.976938022000000170e-03 7.719812500000000112e-03 7.461663282999999626e-03 7.203963768999999823e-03 6.948639965000000425e-03 6.696796147999999928e-03 6.447828580999999913e-03 6.199459132999999948e-03 5.948722671999999954e-03 5.693443002000000280e-03 5.433486795999999813e-03 5.171207046000000397e-03 4.910895174999999925e-03 4.657530011000000393e-03 4.415403703000000263e-03 4.187194101000000016e-03 3.973780282999999844e-03 3.774726647999999962e-03 3.589080146999999981e-03 3.416053819999999817e-03 3.255309731000000182e-03 3.106804826000000071e-03 2.970384114999999933e-03 2.845394691000000063e-03 2.730532482000000167e-03 2.623979136000000132e-03 2.523730737000000161e-03 2.427938923999999922e-03 2.335106928000000182e-03 2.244084395000000079e-03 2.153927635999999986e-03 2.063774644000000019e-03 1.972889047000000052e-03 1.880948476999999954e-03 1.788515997999999985e-03 1.697487801999999959e-03 1.611225452999999908e-03
diff --git a/tests/mesa_pd/kernel/cnt/VBondContactIntegration.ipynb b/tests/mesa_pd/kernel/cnt/VBondContactIntegration.ipynb
new file mode 100644
index 0000000000000000000000000000000000000000..3b4827b2ec29a124287a17dfbe5dba50b9e58fea
--- /dev/null
+++ b/tests/mesa_pd/kernel/cnt/VBondContactIntegration.ipynb
@@ -0,0 +1,94 @@
+{
+ "cells": [
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "northern-indie",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "import matplotlib.pyplot as pl\n",
+    "import numpy as np\n",
+    "import seaborn as sns\n",
+    "\n",
+    "%matplotlib inline\n",
+    "%config InlineBackend.figure_formats = ['svg']\n",
+    "\n",
+    "sns.set_context(\"talk\")"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "distant-tsunami",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "energies = np.loadtxt('VBondContactEnergies.txt').transpose()\n",
+    "ref = np.loadtxt('VBondContactEnergies.ref.txt')"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "failing-studio",
+   "metadata": {},
+   "outputs": [],
+   "source": [
+    "pl.figure( figsize=(10,10) )\n",
+    "pl.subplot(221)\n",
+    "pl.title('tensile')\n",
+    "pl.plot(energies[1], label='MESA-PD')\n",
+    "pl.plot(ref[0], label='reference')\n",
+    "pl.legend()\n",
+    "\n",
+    "pl.subplot(222)\n",
+    "pl.title('shear')\n",
+    "pl.plot(energies[2])\n",
+    "pl.plot(ref[1])\n",
+    "\n",
+    "pl.subplot(223)\n",
+    "pl.title('bending')\n",
+    "pl.plot(energies[3])\n",
+    "pl.plot(ref[2])\n",
+    "\n",
+    "pl.subplot(224)\n",
+    "pl.title('twisting')\n",
+    "pl.plot(energies[4])\n",
+    "pl.plot(ref[3])\n",
+    "\n",
+    "pl.tight_layout()\n",
+    "pl.show()"
+   ]
+  },
+  {
+   "cell_type": "code",
+   "execution_count": null,
+   "id": "enormous-salvation",
+   "metadata": {},
+   "outputs": [],
+   "source": []
+  }
+ ],
+ "metadata": {
+  "kernelspec": {
+   "display_name": "Python 3",
+   "language": "python",
+   "name": "python3"
+  },
+  "language_info": {
+   "codemirror_mode": {
+    "name": "ipython",
+    "version": 3
+   },
+   "file_extension": ".py",
+   "mimetype": "text/x-python",
+   "name": "python",
+   "nbconvert_exporter": "python",
+   "pygments_lexer": "ipython3",
+   "version": "3.8.5"
+  }
+ },
+ "nbformat": 4,
+ "nbformat_minor": 5
+}
diff --git a/apps/benchmarks/CNT/VBondModel.cpp b/tests/mesa_pd/kernel/cnt/VBondContactIntegration.test.cpp
similarity index 92%
rename from apps/benchmarks/CNT/VBondModel.cpp
rename to tests/mesa_pd/kernel/cnt/VBondContactIntegration.test.cpp
index de90df0ce7a86159753f397a3d744213791f5161..5c956fe6106ca45940e4da6d7e17160ba89ade34 100644
--- a/apps/benchmarks/CNT/VBondModel.cpp
+++ b/tests/mesa_pd/kernel/cnt/VBondContactIntegration.test.cpp
@@ -20,7 +20,7 @@
 //
 //======================================================================================================================
 
-#include "Accessor.h"
+#include "SphericalSegmentAccessor.h"
 #include "mesa_pd/data/Flags.h"
 #include "mesa_pd/data/ParticleStorage.h"
 #include "mesa_pd/kernel/ParticleSelector.h"
@@ -41,6 +41,12 @@ int main(int argc, char **argv)
    Environment env(argc, argv);
    walberla::mpi::MPIManager::instance()->useWorldComm();
 
+   if (std::is_same<real_t, float>::value)
+   {
+      WALBERLA_LOG_WARNING("waLBerla build in sp mode: skipping test due to low precision");
+      return EXIT_SUCCESS;
+   }
+
    logging::Logging::instance()->setStreamLogLevel(logging::Logging::INFO);
    logging::Logging::instance()->setFileLogLevel(logging::Logging::INFO);
 
@@ -49,7 +55,7 @@ int main(int argc, char **argv)
 
    WALBERLA_LOG_INFO_ON_ROOT("creating initial particle setup");
    auto ps = std::make_shared<data::ParticleStorage>(10);
-   auto ac = Accessor(ps);
+   auto ac = SphericalSegmentAccessor(ps);
 
    for (auto i = 0; i < 10; ++i)
    {
@@ -89,7 +95,7 @@ int main(int argc, char **argv)
    real_t bendingEnergy = 0_r;
    real_t twistingEnergy = 0_r;
 
-   std::ofstream fout("output.txt");
+   std::ofstream fout("VBondContactEnergies.txt");
    for (auto i = 0; i < numSimulationSteps; ++i)
    {
       vtkWriter->write();
@@ -119,10 +125,10 @@ int main(int argc, char **argv)
                                      if ((ac.getPosition(p_idx1) - ac.getPosition(p_idx2)).sqrLength() < cutoff2)
                                      {
                                         vbond(p_idx1, p_idx2, ac);
-                                        tensileEnergy += vbond.tensileEnergy;
-                                        shearEnergy += vbond.shearEnergy;
-                                        bendingEnergy += vbond.bendingEnergy;
-                                        twistingEnergy += vbond.twistingEnergy;
+                                        tensileEnergy += vbond.getLastTensileEnergy();
+                                        shearEnergy += vbond.getLastShearEnergy();
+                                        bendingEnergy += vbond.getLastBendingEnergy();
+                                        twistingEnergy += vbond.getLastTwistingEnergy();
                                      }
                                   });
 
@@ -151,10 +157,5 @@ int main(int argc, char **argv)
 
 int main(int argc, char *argv[])
 {
-   if (std::is_same<walberla::real_t, float>::value)
-   {
-      WALBERLA_LOG_WARNING("waLBerla build in sp mode: skipping test due to low precision");
-      return EXIT_SUCCESS;
-   }
    return walberla::main(argc, argv);
 }