consistency_rkgc

src/shared/particle_dynamics/fluid_dynamics/fluid_integration.hpp

@@ -84,7 +84,7 @@ void Integration1stHalf<Inner<>, RiemannSolverType, KernelCorrectionType>::inter
         Real dW_ijV_j = inner_neighborhood.dW_ij_[n] * Vol_[index_j];
         const Vecd &e_ij = inner_neighborhood.e_ij_[n];
 
-        force -= (p_[index_i] * correction_(index_i) + p_[index_j] * correction_(index_j)) * dW_ijV_j * e_ij;
+        force -= (p_[index_i] * correction_(index_j) + p_[index_j] * correction_(index_i)) * dW_ijV_j * e_ij;
         rho_dissipation += riemann_solver_.DissipativeUJump(p_[index_i] - p_[index_j]) * dW_ijV_j;
     }
     force_[index_i] += force * Vol_[index_i];
@@ -159,7 +159,7 @@ void Integration1stHalf<Contact<>, RiemannSolverType, KernelCorrectionType>::
             Vecd &e_ij = contact_neighborhood.e_ij_[n];
             Real dW_ijV_j = contact_neighborhood.dW_ij_[n] * Vol_k[index_j];
 
-            force -= riemann_solver_k.AverageP(this->p_[index_i] * correction_(index_i), p_k[index_j] * correction_k(index_j)) *
+            force -= riemann_solver_k.AverageP(this->p_[index_i] * correction_(index_j), p_k[index_j] * correction_k(index_i)) *
                      2.0 * e_ij * dW_ijV_j;
             rho_dissipation += riemann_solver_k.DissipativeUJump(this->p_[index_i] - p_k[index_j]) * dW_ijV_j;
         }

src/shared/particle_dynamics/general_dynamics/kernel_correction.cpp

@@ -10,7 +10,8 @@ void LinearGradientCorrectionMatrix<Inner<>>::interaction(size_t index_i, Real d
     const Neighborhood &inner_neighborhood = inner_configuration_[index_i];
     for (size_t n = 0; n != inner_neighborhood.current_size_; ++n)
     {
-        Vecd gradW_ij = inner_neighborhood.dW_ij_[n] * Vol_[index_i] * inner_neighborhood.e_ij_[n];
+        size_t index_j = inner_neighborhood.j_[n];
+        Vecd gradW_ij = inner_neighborhood.dW_ij_[n] * Vol_[index_j] * inner_neighborhood.e_ij_[n];
         Vecd r_ji = inner_neighborhood.r_ij_[n] * inner_neighborhood.e_ij_[n];
         local_configuration -= r_ji * gradW_ij.transpose();
     }
@@ -19,9 +20,11 @@ void LinearGradientCorrectionMatrix<Inner<>>::interaction(size_t index_i, Real d
 //=================================================================================================//
 void LinearGradientCorrectionMatrix<Inner<>>::update(size_t index_i, Real dt)
 {
+    Real det_sqr = SMAX(alpha_ - B_[index_i].determinant(), Real(0));
     Matd inverse = B_[index_i].inverse();
-    Real weight = alpha_ / (B_[index_i].determinant() + alpha_);
-    B_[index_i] = weight * Matd::Identity() + (1.0 - weight) * inverse;
+    Real weight1_ = B_[index_i].determinant() / (B_[index_i].determinant() + det_sqr);
+    Real weight2_ = det_sqr / (B_[index_i].determinant() + det_sqr);
+    B_[index_i] = weight1_ * inverse + weight2_ * Matd::Identity();
 }
 //=================================================================================================//
 LinearGradientCorrectionMatrix<Contact<>>::

src/shared/particle_dynamics/general_dynamics/kernel_correction.h

@@ -38,6 +38,10 @@ namespace SPH
 template <typename... InteractionTypes>
 class LinearGradientCorrectionMatrix;
 
+
+// WKGC1 will be used for calculate the KGC matrix.
+// The difference between WKGC1 and WKGC2 can refer to https://doi.org/10.1016/j.cma.2023.116460
+
 template <class DataDelegationType>
 class LinearGradientCorrectionMatrix<DataDelegationType>
     : public LocalDynamics, public DataDelegationType

src/shared/particle_dynamics/particle_dynamics_algorithms.h

@@ -128,14 +128,14 @@ template <class LocalDynamicsType, class ExecutionPolicy = ParallelPolicy>
 class ReduceDynamics : public LocalDynamicsType,
                        public BaseDynamics<typename LocalDynamicsType::ReturnType>
 {
+    using ReturnType = typename LocalDynamicsType::ReturnType;
   public:
     template <class DynamicsIdentifier, typename... Args>
     ReduceDynamics(DynamicsIdentifier &identifier, Args &&...args)
         : LocalDynamicsType(identifier, std::forward<Args>(args)...),
           BaseDynamics<ReturnType>(identifier.getSPHBody()){};
     virtual ~ReduceDynamics(){};
 
-    using ReturnType = typename LocalDynamicsType::ReturnType;
     std::string QuantityName() { return this->quantity_name_; };
     std::string DynamicsIdentifierName() { return this->identifier_.getName(); };
 

tests/2d_examples/test_2d_impact_patch/impact_patch.cpp

@@ -122,7 +122,7 @@ int main(int ac, char *av[])
     //	Define the numerical methods used in the simulation.
     //	Note that there may be data dependence on the sequence of constructions.
     //----------------------------------------------------------------------
-    InteractionWithUpdate<LinearGradientCorrectionMatrixInner> corrected_configuration_fluid(water_body_inner, 0.3);
+    InteractionWithUpdate<LinearGradientCorrectionMatrixInner> corrected_configuration_fluid(water_body_inner, 0.5);
     InteractionWithUpdate<SpatialTemporalFreeSurfaceIndicationInner> free_surface_indicator(water_body_inner);
 
     Dynamics1Level<fluid_dynamics::Integration1stHalfCorrectionInnerRiemann> fluid_pressure_relaxation_correct(water_body_inner);

tests/2d_examples/test_2d_rotation_patch/rotation_patch.cpp

@@ -145,7 +145,7 @@ int main(int ac, char *av[])
     // boundary condition and other constraints should be defined.
     //----------------------------------------------------------------------
     InteractionWithUpdate<SpatialTemporalFreeSurfaceIndicationInner> free_surface_indicator(water_body_inner);
-    InteractionWithUpdate<LinearGradientCorrectionMatrixInner> corrected_configuration_fluid(water_body_inner, 0.3);
+    InteractionWithUpdate<LinearGradientCorrectionMatrixInner> corrected_configuration_fluid(water_body_inner, 0.5);
     Dynamics1Level<fluid_dynamics::Integration1stHalfCorrectionInnerRiemann> fluid_pressure_relaxation_correct(water_body_inner);
     Dynamics1Level<fluid_dynamics::Integration2ndHalfInnerRiemann> fluid_density_relaxation(water_body_inner);
     InteractionWithUpdate<fluid_dynamics::DensitySummationInnerFreeStream> update_density_by_summation(water_body_inner);

tests/2d_examples/test_2d_standing_wave/regression_test_tool/WaterBody_TotalMechanicalEnergy_Run_0_result.xml

@@ -1,9 +1,9 @@
 <?xml version="1.0" encoding="UTF-8" ?>
 <result>
     <Snapshot_Element>
-        <Snapshot number_of_snapshot_for_local_result_="41" />
+        <Snapshot number_of_snapshot_for_local_result_="102" />
     </Snapshot_Element>
     <Result_Element>
-        <Particle_0 snapshot_0="9860.5411200000017" snapshot_1="9854.3377912566084" snapshot_2="9856.412521796552" snapshot_3="9849.9745631393653" snapshot_4="9849.875881888398" snapshot_5="9848.0485171646869" snapshot_6="9849.6633934938327" snapshot_7="9850.9211894169821" snapshot_8="9848.9059287328346" snapshot_9="9848.2706285393087" snapshot_10="9846.4683056369413" snapshot_11="9851.1637041579179" snapshot_12="9849.0433292272028" snapshot_13="9851.2888835873582" snapshot_14="9848.5766476226745" snapshot_15="9844.4278922520407" snapshot_16="9851.1757115328983" snapshot_17="9851.8565392569071" snapshot_18="9848.4155946622814" snapshot_19="9846.2298237424548" snapshot_20="9846.6823697458749" snapshot_21="9847.9403427029138" snapshot_22="9847.713810812118" snapshot_23="9845.7252335939374" snapshot_24="9844.7029666050275" snapshot_25="9849.1442342035098" snapshot_26="9848.2261767313721" snapshot_27="9845.5781891098486" snapshot_28="9844.1456476525309" snapshot_29="9843.2154729112845" snapshot_30="9848.4223259882929" snapshot_31="9844.6249195310684" snapshot_32="9843.2234566174156" snapshot_33="9840.3243834915811" snapshot_34="9843.0935348223975" snapshot_35="9845.0356216928667" snapshot_36="9845.4532047318153" snapshot_37="9843.1453291531307" snapshot_38="9840.4839260993031" snapshot_39="9844.5673114101464" snapshot_40="9842.0003651305506" />
+        <Particle_0 snapshot_0="9860.5411200000017" snapshot_1="9828.8997905246997" snapshot_2="9862.5179988723685" snapshot_3="9840.7925036461093" snapshot_4="9862.1819867580925" snapshot_5="9853.1389528027066" snapshot_6="9852.0675918951001" snapshot_7="9852.433546090424" snapshot_8="9847.7487452810929" snapshot_9="9850.0789024654077" snapshot_10="9847.5887050234069" snapshot_11="9851.0449560811958" snapshot_12="9845.6001174880439" snapshot_13="9850.7533000893982" snapshot_14="9844.4479725072233" snapshot_15="9849.1394783432388" snapshot_16="9849.5207131532607" snapshot_17="9852.6879574472532" snapshot_18="9850.6656390418102" snapshot_19="9847.7143097333174" snapshot_20="9849.4034669404646" snapshot_21="9852.7900969713464" snapshot_22="9851.7400025743518" snapshot_23="9853.0688964105102" snapshot_24="9850.9956838431026" snapshot_25="9852.4360327762915" snapshot_26="9852.9732212349591" snapshot_27="9856.845869693012" snapshot_28="9852.660614958806" snapshot_29="9855.4890015262081" snapshot_30="9855.7093207147664" snapshot_31="9853.2305948369285" snapshot_32="9853.2715768211183" snapshot_33="9852.2762002387699" snapshot_34="9854.0332405817826" snapshot_35="9851.3957354719969" snapshot_36="9852.5285124512702" snapshot_37="9851.7432275521442" snapshot_38="9853.107142176028" snapshot_39="9855.4396377657649" snapshot_40="9856.1790856338848" snapshot_41="9855.6472334555983" snapshot_42="9855.3369055312232" snapshot_43="9853.8234705066225" snapshot_44="9854.5663755893838" snapshot_45="9856.6889988865005" snapshot_46="9854.6328625285532" snapshot_47="9855.1769328121172" snapshot_48="9853.4866089616626" snapshot_49="9853.6775508104784" snapshot_50="9854.8162057270711" snapshot_51="9857.2587833787475" snapshot_52="9855.387675199745" snapshot_53="9856.7966887010716" snapshot_54="9852.1774626628885" snapshot_55="9853.0449757232454" snapshot_56="9855.9752112903079" snapshot_57="9853.4564564202792" snapshot_58="9854.2401147061992" snapshot_59="9854.0429977537879" snapshot_60="9854.85512820855" snapshot_61="9852.7209961391345" snapshot_62="9854.8597948848546" snapshot_63="9855.0229404406946" snapshot_64="9856.0771094564079" snapshot_65="9855.8680544270374" snapshot_66="9855.2733246616444" snapshot_67="9855.3164114027531" snapshot_68="9856.5724514489884" snapshot_69="9855.4699901189742" snapshot_70="9857.8941861669045" snapshot_71="9852.1982870389547" snapshot_72="9856.5639668581753" snapshot_73="9855.6343315172453" snapshot_74="9855.2812961257405" snapshot_75="9855.8426062812741" snapshot_76="9856.1850872894447" snapshot_77="9854.6603248731863" snapshot_78="9856.933256591823" snapshot_79="9856.0894863442336" snapshot_80="9859.4470530862163" snapshot_81="9855.1993195417908" snapshot_82="9853.9797512540936" snapshot_83="9854.6020387077697" snapshot_84="9854.7262741568447" snapshot_85="9856.0166502193679" snapshot_86="9857.1786820471789" snapshot_87="9857.4903420515766" snapshot_88="9859.3382328846201" snapshot_89="9857.2928559855136" snapshot_90="9854.5132990763341" snapshot_91="9859.1692309447717" snapshot_92="9857.3448367682086" snapshot_93="9855.5492009887239" snapshot_94="9854.9818261717046" snapshot_95="9854.1457151838295" snapshot_96="9853.8257534962286" snapshot_97="9856.9609096189197" snapshot_98="9855.8643688386837" snapshot_99="9855.4842658789094" snapshot_100="9857.2175359565626" snapshot_101="9855.2181441207249" />
     </Result_Element>
 </result>

tests/2d_examples/test_2d_standing_wave/regression_test_tool/WaterBody_TotalMechanicalEnergy_Run_12_result.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<result>
+    <Snapshot_Element>
+        <Snapshot number_of_snapshot_for_local_result_="102" />
+    </Snapshot_Element>
+    <Result_Element>
+        <Particle_0 snapshot_0="9860.5411200000017" snapshot_1="9828.8997905246979" snapshot_2="9862.5179988723685" snapshot_3="9840.7925036461238" snapshot_4="9862.1819867580434" snapshot_5="9853.1389528028285" snapshot_6="9852.0675918942143" snapshot_7="9852.4335460866787" snapshot_8="9847.748745304445" snapshot_9="9850.0789052651162" snapshot_10="9847.5894438112846" snapshot_11="9851.040340869833" snapshot_12="9845.6087743796888" snapshot_13="9850.7932524862081" snapshot_14="9844.7556659748097" snapshot_15="9849.0394025425667" snapshot_16="9850.0763074843198" snapshot_17="9852.5003246927499" snapshot_18="9850.451829028616" snapshot_19="9850.3527993938915" snapshot_20="9850.2987316105246" snapshot_21="9851.5727296134319" snapshot_22="9853.6293290909962" snapshot_23="9853.5897875910468" snapshot_24="9850.8703415713426" snapshot_25="9852.3969250466034" snapshot_26="9851.703660769741" snapshot_27="9852.9021778067909" snapshot_28="9855.9979757585133" snapshot_29="9853.6974714166699" snapshot_30="9852.3076773523644" snapshot_31="9852.0975812121433" snapshot_32="9853.5504630622454" snapshot_33="9852.6026468718101" snapshot_34="9854.8479192754457" snapshot_35="9851.1293136409113" snapshot_36="9853.7768125920375" snapshot_37="9850.4440329034551" snapshot_38="9855.180451737433" snapshot_39="9856.6109625778481" snapshot_40="9858.4752139494558" snapshot_41="9855.4524851732185" snapshot_42="9855.0073297310228" snapshot_43="9854.0889103650625" snapshot_44="9854.9571416244253" snapshot_45="9854.075376394776" snapshot_46="9854.6389344908675" snapshot_47="9856.1072650576207" snapshot_48="9851.8266214168216" snapshot_49="9854.3894602366054" snapshot_50="9855.8564678346156" snapshot_51="9854.7103784122119" snapshot_52="9857.7697353963995" snapshot_53="9855.532088849297" snapshot_54="9853.3881577582833" snapshot_55="9857.0605679448272" snapshot_56="9854.9558934810884" snapshot_57="9853.9200919362811" snapshot_58="9852.577453673608" snapshot_59="9853.1841928391586" snapshot_60="9854.5449751542037" snapshot_61="9853.1187096693793" snapshot_62="9857.7460801049292" snapshot_63="9855.8707840408551" snapshot_64="9855.8676308690374" snapshot_65="9853.674429344961" snapshot_66="9856.5459096957147" snapshot_67="9855.5917687395631" snapshot_68="9855.0703362008062" snapshot_69="9855.3454574725365" snapshot_70="9855.131519069666" snapshot_71="9854.7283482249732" snapshot_72="9853.9678554609873" snapshot_73="9854.6551267758696" snapshot_74="9854.8220805641067" snapshot_75="9858.6747314740605" snapshot_76="9858.6389017357942" snapshot_77="9854.1263029875881" snapshot_78="9856.4738468640608" snapshot_79="9856.159554810245" snapshot_80="9853.9713960820718" snapshot_81="9853.2323378452584" snapshot_82="9854.5389167363046" snapshot_83="9850.9974913181268" snapshot_84="9853.0603548953331" snapshot_85="9853.5958392741668" snapshot_86="9856.7378084765332" snapshot_87="9857.4022664167624" snapshot_88="9857.5287940287053" snapshot_89="9855.61820929225" snapshot_90="9853.5401645419952" snapshot_91="9858.2264928470304" snapshot_92="9855.6650492149347" snapshot_93="9856.0847445541949" snapshot_94="9856.6923092204906" snapshot_95="9852.6222513224748" snapshot_96="9858.4213795132382" snapshot_97="9858.0283412679892" snapshot_98="9856.8098784988342" snapshot_99="9857.0182124901621" snapshot_100="9855.3067614137617" snapshot_101="9854.8165601482451" />
+    </Result_Element>
+</result>

tests/2d_examples/test_2d_standing_wave/regression_test_tool/WaterBody_TotalMechanicalEnergy_Run_6_result.xml

@@ -0,0 +1,9 @@
+<?xml version="1.0" encoding="UTF-8" ?>
+<result>
+    <Snapshot_Element>
+        <Snapshot number_of_snapshot_for_local_result_="102" />
+    </Snapshot_Element>
+    <Result_Element>
+        <Particle_0 snapshot_0="9860.5411200000017" snapshot_1="9828.8997905246979" snapshot_2="9862.5179988723648" snapshot_3="9840.7925036461202" snapshot_4="9862.1819867581144" snapshot_5="9853.1389528025411" snapshot_6="9852.0675918949873" snapshot_7="9852.4335460932307" snapshot_8="9847.7487451707821" snapshot_9="9850.0789297589472" snapshot_10="9847.7029515477006" snapshot_11="9851.5910538218213" snapshot_12="9845.3829885840896" snapshot_13="9851.4789911276093" snapshot_14="9844.4647615990216" snapshot_15="9849.6116621629262" snapshot_16="9848.0591723389807" snapshot_17="9853.6562056066796" snapshot_18="9849.9771345781446" snapshot_19="9850.1125965498613" snapshot_20="9849.925718323535" snapshot_21="9852.2915309050022" snapshot_22="9854.2085777586944" snapshot_23="9851.3318390573149" snapshot_24="9851.9980845192658" snapshot_25="9852.9718276363383" snapshot_26="9851.0204337196737" snapshot_27="9855.0156052594284" snapshot_28="9854.7704201501838" snapshot_29="9857.4202359060619" snapshot_30="9854.1139132084936" snapshot_31="9853.5341016729435" snapshot_32="9851.3495205003419" snapshot_33="9852.5332757803335" snapshot_34="9854.4279389080148" snapshot_35="9852.5166109888596" snapshot_36="9854.8792010715351" snapshot_37="9850.9824581484663" snapshot_38="9855.8965288527143" snapshot_39="9855.3489350971977" snapshot_40="9857.1102798930151" snapshot_41="9857.7093606873277" snapshot_42="9855.6708620105601" snapshot_43="9853.8234341695897" snapshot_44="9858.2454564796772" snapshot_45="9855.129958455811" snapshot_46="9852.5852050458398" snapshot_47="9853.7933881650479" snapshot_48="9853.5151491140496" snapshot_49="9852.4085591552721" snapshot_50="9855.5635270847524" snapshot_51="9856.0865608656914" snapshot_52="9859.1701705130472" snapshot_53="9856.4059848820762" snapshot_54="9856.4247909783699" snapshot_55="9855.0156436174348" snapshot_56="9852.7263918362496" snapshot_57="9856.3122459666101" snapshot_58="9853.1480905809967" snapshot_59="9853.0680471801861" snapshot_60="9851.0497793558097" snapshot_61="9853.6537143919377" snapshot_62="9855.1640737626603" snapshot_63="9856.3176545735005" snapshot_64="9856.9512156523815" snapshot_65="9853.8708099957475" snapshot_66="9855.7218555001164" snapshot_67="9854.2075108788049" snapshot_68="9857.7731744774883" snapshot_69="9853.5590999027791" snapshot_70="9857.9034798988996" snapshot_71="9854.1010733090861" snapshot_72="9855.1137347333479" snapshot_73="9854.5518270876273" snapshot_74="9858.3024041102581" snapshot_75="9854.5295997047251" snapshot_76="9858.4817532345896" snapshot_77="9854.9737750572531" snapshot_78="9858.4210991712571" snapshot_79="9853.5649701706097" snapshot_80="9857.2396958269965" snapshot_81="9855.8471411214687" snapshot_82="9854.4984617206683" snapshot_83="9855.3325191225831" snapshot_84="9854.2873700684886" snapshot_85="9856.2752664762993" snapshot_86="9858.9557925388217" snapshot_87="9859.01478791105" snapshot_88="9857.7592196335227" snapshot_89="9857.1195573180557" snapshot_90="9856.9927002538097" snapshot_91="9858.972795591224" snapshot_92="9857.9996250628028" snapshot_93="9856.3427362436687" snapshot_94="9855.854211255375" snapshot_95="9855.2957926045765" snapshot_96="9857.9976300116086" snapshot_97="9857.7723226046292" snapshot_98="9861.3574314921152" snapshot_99="9858.0564437743633" snapshot_100="9858.8893756943562" snapshot_101="9856.312978323218" />
+    </Result_Element>
+</result>