diff --git a/BasicSolver/2D-seq/src/particletracing.c b/BasicSolver/2D-seq/src/particletracing.c
index 9d8a148..3e0d554 100644
--- a/BasicSolver/2D-seq/src/particletracing.c
+++ b/BasicSolver/2D-seq/src/particletracing.c
@@ -134,12 +134,9 @@ void writeParticles(ParticleTracer* particletracer, Solver* solver)
 
     for (int i = 0; i < particletracer->totalParticles; ++i)
     {
-         if(particlePool[i].flag == true)
-        {
-            double x = particlePool[i].x;
-            double y = particlePool[i].y;
-            fprintf(fp, "%f %f\n", x, y);
-        }
+        double x = particlePool[i].x;
+        double y = particlePool[i].y;
+        fprintf(fp, "%f %f\n", x, y);
     }
     fclose(fp);
 
@@ -217,6 +214,28 @@ void trace(ParticleTracer* particletracer, Solver* solver, double* u, double* v,
 
         }
         advanceParticles(particletracer, u, v, time);
+        compress(particletracer);
         particletracer->lastUpdateTime = time;   
     }
+}
+
+void compress(ParticleTracer* particletracer)
+{
+    Particle* memPool = particletracer->particlePool;
+    Particle tempPool[particletracer->totalParticles];
+    int totalParticles = 0;
+
+    for(int i=0; i < particletracer->totalParticles; ++i)
+    {
+        if(memPool[i].flag == 1)
+        {
+            tempPool[totalParticles].x = memPool[i].x;
+            tempPool[totalParticles].y = memPool[i].y;
+            tempPool[totalParticles].flag = memPool[i].flag;
+            ++totalParticles;
+        }
+    }
+
+    particletracer->totalParticles = totalParticles;
+    memcpy(particletracer->particlePool, tempPool, totalParticles*sizeof(Particle));
 }
\ No newline at end of file
diff --git a/BasicSolver/2D-seq/src/particletracing.h b/BasicSolver/2D-seq/src/particletracing.h
index 9ca7d34..595062a 100644
--- a/BasicSolver/2D-seq/src/particletracing.h
+++ b/BasicSolver/2D-seq/src/particletracing.h
@@ -44,4 +44,5 @@ void writeParticles(ParticleTracer*, Solver*);
 void printParticleTracerParameters(ParticleTracer*);
 void printParticles(ParticleTracer*);
 void trace(ParticleTracer*, Solver*, double* , double* , double );
+void compress(ParticleTracer* );
 #endif
\ No newline at end of file
diff --git a/BasicSolver/2D-seq/src/vtkWriter.c b/BasicSolver/2D-seq/src/vtkWriter.c
index 439fa44..54942b7 100644
--- a/BasicSolver/2D-seq/src/vtkWriter.c
+++ b/BasicSolver/2D-seq/src/vtkWriter.c
@@ -74,24 +74,17 @@ void vtkParticle(VtkOptions* o, char* name)
 
     for (int i = 0; i < o->particletracer->totalParticles; ++i)
     {
-        if(particlePool[i].flag == true)
-        {
-            double x = particlePool[i].x;
-            double y = particlePool[i].y;
-            fprintf(o->fh, "%.2f %.2f 0.0\n", x, y);
-        }
+        double x = particlePool[i].x;
+        double y = particlePool[i].y;
+        fprintf(o->fh, "%.2f %.2f 0.0\n", x, y);
     }
 
     fprintf(o->fh, "CELLS %d %d\n", o->particletracer->totalParticles, 2 * o->particletracer->totalParticles);
 
 
-    for (int i = 0, j = 0; i < o->particletracer->totalParticles; ++i)
+    for (int i = 0; i < o->particletracer->totalParticles; ++i)
     {
-        if(particlePool[i].flag == true)
-        {
-            fprintf(o->fh, "1 %d\n", j);
-            ++j;
-        }
+        fprintf(o->fh, "1 %d\n", i);
     }
 
     fprintf(o->fh, "CELL_TYPES %d\n", o->particletracer->totalParticles);
@@ -99,10 +92,7 @@ void vtkParticle(VtkOptions* o, char* name)
 
     for (int i = 0; i < o->particletracer->totalParticles; ++i)
     {
-        if(particlePool[i].flag == true)
-        {
-            fprintf(o->fh, "1\n");
-        }
+        fprintf(o->fh, "1\n");
     }
 
     /*
diff --git a/BasicSolver/2D-seq/vis_files/animate.plot b/BasicSolver/2D-seq/vis_files/animate.plot
index 415d51a..5cb0dd2 100644
--- a/BasicSolver/2D-seq/vis_files/animate.plot
+++ b/BasicSolver/2D-seq/vis_files/animate.plot
@@ -1,8 +1,8 @@
 unset border; unset tics; unset key;
 set term gif animate delay 50
 set output "trace.gif"
-set xrange [0:1]
-set yrange [0:1]
+set xrange [0:30]
+set yrange [0:4]
 do for [ts=0:198] {
     plot "particles_".ts.".dat" with points pointtype 7
 }
diff --git a/BasicSolver/3D-seq/src/main.c b/BasicSolver/3D-seq/src/main.c
index 0dfc37e..a23e939 100644
--- a/BasicSolver/3D-seq/src/main.c
+++ b/BasicSolver/3D-seq/src/main.c
@@ -116,7 +116,7 @@ int main(int argc, char** argv)
         solver_generic[variant - 1](&s);
         adaptUV(&s);
 
-        trace(&particletracer, &s, s.u, s.v, s.w, t);
+        trace(&particletracer, s.u, s.v, s.w, t);
 
         t += s.dt;
         
diff --git a/BasicSolver/3D-seq/src/particletracing.c b/BasicSolver/3D-seq/src/particletracing.c
index bb215c8..d159784 100644
--- a/BasicSolver/3D-seq/src/particletracing.c
+++ b/BasicSolver/3D-seq/src/particletracing.c
@@ -177,7 +177,7 @@ void freeParticles(ParticleTracer* particletracer)
     free(particletracer->linSpaceLine);
 }
 
-void writeParticles(ParticleTracer* particletracer, Solver* solver)
+void writeParticles(ParticleTracer* particletracer)
 {
     VtkOptions opts = { .particletracer = particletracer };
 
@@ -256,7 +256,7 @@ void printParticleTracerParameters(ParticleTracer* particletracer)
     printf("\tdt : %.2f, dx : %.2f, dy : %.2f,  dz : %.2f\n", particletracer->dt, particletracer->dx, particletracer->dy, particletracer->dz);
 }   
 
-void trace(ParticleTracer* particletracer, Solver* solver, double* u, double* v, double* w, double time)
+void trace(ParticleTracer* particletracer, double* u, double* v, double* w, double time)
 {
     if (time >= particletracer->startTime)
     {
@@ -268,25 +268,34 @@ void trace(ParticleTracer* particletracer, Solver* solver, double* u, double* v,
         }
         if( (time - particletracer->lastWriteTime) >= particletracer->writeTimePeriod)
         {
-            activeParticleChecker(particletracer);
-            writeParticles(particletracer, solver);
+            writeParticles(particletracer);
             particletracer->lastWriteTime = time;
 
         }
         advanceParticles(particletracer, u, v, w, time);
+        compress(particletracer);
         particletracer->lastUpdateTime = time;   
     }
 }
 
-void activeParticleChecker(ParticleTracer* particletracer)
+void compress(ParticleTracer* particletracer)
 {
-    particletracer->activeParticles = 0;
-    Particle* particlePool = particletracer->particlePool;
-    for (int i = 0; i < particletracer->totalParticles; ++i)
+    Particle* memPool = particletracer->particlePool;
+    Particle tempPool[particletracer->totalParticles];
+    int totalParticles = 0;
+
+    for(int i=0; i < particletracer->totalParticles; ++i)
     {
-        if(particlePool[i].flag == true)
+        if(memPool[i].flag == 1)
         {
-            ++(particletracer->activeParticles);
+            tempPool[totalParticles].x = memPool[i].x;
+            tempPool[totalParticles].y = memPool[i].y;
+            tempPool[totalParticles].z = memPool[i].z;
+            tempPool[totalParticles].flag = memPool[i].flag;
+            ++totalParticles;
         }
     }
-}
\ No newline at end of file
+
+    particletracer->totalParticles = totalParticles;
+    memcpy(particletracer->particlePool, tempPool, totalParticles*sizeof(Particle));
+}
diff --git a/BasicSolver/3D-seq/src/particletracing.h b/BasicSolver/3D-seq/src/particletracing.h
index 52ebedb..8da9322 100644
--- a/BasicSolver/3D-seq/src/particletracing.h
+++ b/BasicSolver/3D-seq/src/particletracing.h
@@ -40,9 +40,9 @@ void initParticleTracer(ParticleTracer*, Parameter*);
 void injectParticles(ParticleTracer*);
 void advanceParticles(ParticleTracer*, double* , double*, double*, double);
 void freeParticles(ParticleTracer*);
-void writeParticles(ParticleTracer*, Solver*);
+void writeParticles(ParticleTracer*);
 void printParticleTracerParameters(ParticleTracer*);
 void printParticles(ParticleTracer*);
-void activeParticleChecker(ParticleTracer*);
-void trace(ParticleTracer*, Solver*, double* , double* , double* , double);
+void compress(ParticleTracer*);
+void trace(ParticleTracer*, double* , double* , double* , double);
 #endif
\ No newline at end of file
diff --git a/BasicSolver/3D-seq/src/vtkWriter.c b/BasicSolver/3D-seq/src/vtkWriter.c
index 0873ee8..e8ea0f0 100644
--- a/BasicSolver/3D-seq/src/vtkWriter.c
+++ b/BasicSolver/3D-seq/src/vtkWriter.c
@@ -172,32 +172,29 @@ void vtkParticle(VtkOptions* o, char* name)
         exit(EXIT_FAILURE);
     }
 
-    fprintf(o->fh, "POINTS %d float\n", o->particletracer->activeParticles);
+    fprintf(o->fh, "POINTS %d float\n", o->particletracer->totalParticles);
 
 
     for (int i = 0; i < o->particletracer->totalParticles; ++i)
     {
-        if(particlePool[i].flag == true)
-        {
             double x = particlePool[i].x;
             double y = particlePool[i].y;
             double z = particlePool[i].z;
             fprintf(o->fh, "%.2f %.2f %.2f\n", x, y, z);
-        }
     }
 
-    fprintf(o->fh, "CELLS %d %d\n", o->particletracer->activeParticles, 2 * o->particletracer->activeParticles);
+    fprintf(o->fh, "CELLS %d %d\n", o->particletracer->totalParticles, 2 * o->particletracer->totalParticles);
 
 
-    for (int i = 0; i < o->particletracer->activeParticles; ++i)
+    for (int i = 0; i < o->particletracer->totalParticles; ++i)
     {
         fprintf(o->fh, "1 %d\n", i);
     }
 
-    fprintf(o->fh, "CELL_TYPES %d\n", o->particletracer->activeParticles);
+    fprintf(o->fh, "CELL_TYPES %d\n", o->particletracer->totalParticles);
 
 
-    for (int i = 0; i < o->particletracer->activeParticles; ++i)
+    for (int i = 0; i < o->particletracer->totalParticles; ++i)
     {
         fprintf(o->fh, "1\n");
     }
diff --git a/BasicSolver/3D-seq/vtk_files/particles0.vtk b/BasicSolver/3D-seq/vtk_files/particles0.vtk
new file mode 100644
index 0000000..9a8c235
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles0.vtk
@@ -0,0 +1,12 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
+0
+CYCLE 1 1 int
+1
+POINTS 0 float
+CELLS 0 0
+CELL_TYPES 0
diff --git a/BasicSolver/3D-seq/vtk_files/particles1.vtk b/BasicSolver/3D-seq/vtk_files/particles1.vtk
new file mode 100644
index 0000000..29a03e0
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles1.vtk
@@ -0,0 +1,12 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
+1
+CYCLE 1 1 int
+1
+POINTS 0 float
+CELLS 0 0
+CELL_TYPES 0
diff --git a/BasicSolver/3D-seq/vtk_files/particles10.vtk b/BasicSolver/3D-seq/vtk_files/particles10.vtk
new file mode 100644
index 0000000..4378ca4
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles10.vtk
@@ -0,0 +1,282 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
+10
+CYCLE 1 1 int
+1
+POINTS 90 float
+0.30 0.66 0.99
+0.22 0.49 0.61
+1.00 0.99 0.67
+0.66 0.42 0.71
+0.88 0.67 0.72
+0.31 0.92 0.00
+0.74 0.78 0.95
+0.27 0.25 0.71
+0.78 0.62 0.70
+0.64 0.00 0.23
+0.71 0.33 0.23
+0.57 0.77 0.59
+0.55 0.00 0.20
+0.55 0.51 0.75
+0.69 0.90 0.65
+0.32 0.56 0.92
+0.42 0.44 0.61
+0.74 0.82 0.97
+0.73 0.40 0.64
+0.43 0.41 0.61
+0.84 0.54 0.20
+0.43 0.79 0.51
+0.71 0.80 0.92
+0.33 0.02 0.47
+0.38 0.50 0.04
+0.44 0.03 0.05
+0.88 0.74 0.20
+0.57 0.41 0.05
+0.64 0.00 0.43
+0.73 0.79 0.92
+0.33 0.69 0.03
+0.53 0.73 0.76
+0.66 0.74 0.73
+0.61 0.01 0.33
+0.62 0.01 0.30
+0.47 0.42 0.10
+0.39 0.29 0.06
+0.27 0.81 0.97
+0.35 0.72 0.97
+0.33 0.84 0.97
+0.17 0.13 0.99
+0.09 0.03 0.64
+0.85 0.77 0.02
+0.38 0.59 0.82
+0.19 1.00 0.99
+0.39 0.70 0.72
+0.29 0.64 0.02
+0.78 0.67 0.07
+0.16 0.42 0.01
+0.39 0.58 0.68
+0.45 0.73 0.73
+0.16 0.28 0.02
+1.00 1.00 0.22
+0.47 0.76 0.21
+1.00 1.00 0.13
+0.58 0.77 0.25
+0.11 0.01 0.93
+0.38 0.70 0.20
+0.01 0.69 0.28
+0.46 0.86 0.67
+0.91 0.99 0.62
+0.96 0.52 0.45
+0.87 0.72 0.03
+0.97 0.78 0.95
+0.12 0.35 1.00
+0.28 0.95 0.97
+0.94 0.37 0.70
+0.11 0.05 0.85
+0.78 0.69 0.95
+0.89 0.48 0.95
+0.87 0.17 0.77
+0.18 0.99 0.99
+0.95 0.42 0.51
+0.15 0.45 0.96
+0.73 0.47 0.04
+0.95 0.45 0.15
+0.95 0.48 0.12
+0.94 0.39 0.26
+0.39 0.99 0.06
+0.06 0.08 0.77
+0.04 0.70 0.81
+0.21 0.71 0.98
+0.03 0.94 0.62
+0.84 0.57 0.03
+0.99 0.78 0.67
+0.81 0.12 0.46
+0.28 0.84 0.93
+0.11 0.47 0.00
+0.65 0.99 0.71
+0.92 0.30 0.18
+CELLS 90 180
+1 0
+1 1
+1 2
+1 3
+1 4
+1 5
+1 6
+1 7
+1 8
+1 9
+1 10
+1 11
+1 12
+1 13
+1 14
+1 15
+1 16
+1 17
+1 18
+1 19
+1 20
+1 21
+1 22
+1 23
+1 24
+1 25
+1 26
+1 27
+1 28
+1 29
+1 30
+1 31
+1 32
+1 33
+1 34
+1 35
+1 36
+1 37
+1 38
+1 39
+1 40
+1 41
+1 42
+1 43
+1 44
+1 45
+1 46
+1 47
+1 48
+1 49
+1 50
+1 51
+1 52
+1 53
+1 54
+1 55
+1 56
+1 57
+1 58
+1 59
+1 60
+1 61
+1 62
+1 63
+1 64
+1 65
+1 66
+1 67
+1 68
+1 69
+1 70
+1 71
+1 72
+1 73
+1 74
+1 75
+1 76
+1 77
+1 78
+1 79
+1 80
+1 81
+1 82
+1 83
+1 84
+1 85
+1 86
+1 87
+1 88
+1 89
+CELL_TYPES 90
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
+1
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+1
+1
+1
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+1
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+1
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+1
+1
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+1
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+1
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+1
+1
diff --git a/BasicSolver/3D-seq/vtk_files/particles11.vtk b/BasicSolver/3D-seq/vtk_files/particles11.vtk
new file mode 100644
index 0000000..d6407ef
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles11.vtk
@@ -0,0 +1,372 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
+11
+CYCLE 1 1 int
+1
+POINTS 120 float
+0.36 0.70 0.99
+0.21 0.90 0.61
+1.00 0.99 0.67
+0.38 0.44 0.61
+0.49 0.21 0.70
+0.32 0.92 0.00
+0.68 0.64 0.88
+0.12 0.62 0.76
+0.56 0.38 0.67
+0.63 0.00 0.23
+0.27 0.36 0.30
+0.79 0.79 0.59
+0.53 0.00 0.20
+0.47 0.63 0.63
+0.82 0.45 0.68
+0.52 0.85 0.85
+0.39 0.71 0.53
+0.72 0.71 0.93
+0.36 0.35 0.59
+0.36 0.68 0.53
+0.41 0.25 0.26
+0.78 0.91 0.48
+0.73 0.66 0.85
+0.25 0.04 0.47
+0.51 0.69 0.09
+0.37 0.06 0.04
+0.55 0.25 0.24
+0.46 0.53 0.12
+0.61 0.00 0.43
+0.71 0.64 0.84
+0.47 0.76 0.04
+0.72 0.81 0.70
+0.74 0.68 0.72
+0.50 0.01 0.33
+0.53 0.01 0.30
+0.43 0.63 0.19
+0.38 0.62 0.12
+0.38 0.85 0.97
+0.53 0.81 0.95
+0.50 0.86 0.97
+0.19 0.14 0.99
+0.09 0.03 0.67
+0.67 0.49 0.06
+0.52 0.87 0.72
+0.24 1.00 0.99
+0.61 0.89 0.65
+0.41 0.73 0.03
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+0.22 0.53 0.01
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+0.69 0.87 0.67
+0.20 0.38 0.01
+1.00 1.00 0.23
+0.75 0.85 0.23
+1.00 1.00 0.14
+0.78 0.77 0.27
+0.12 0.01 0.93
+0.63 0.87 0.23
+0.01 0.78 0.26
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+1.00 0.95 0.62
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+0.80 0.48 0.96
+0.12 0.36 1.00
+0.74 0.94 0.98
+0.83 0.08 0.74
+0.12 0.05 0.89
+0.58 0.57 0.85
+0.65 0.43 0.94
+0.72 0.14 0.90
+0.26 1.00 0.99
+0.82 0.11 0.53
+0.26 0.64 0.96
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+0.27 0.78 0.98
+1.00 0.98 0.63
+0.57 0.38 0.08
+0.92 0.28 0.68
+0.58 0.04 0.48
+0.55 0.90 0.95
+0.12 0.48 0.00
+1.00 0.97 0.71
+0.78 0.08 0.14
+0.10 0.68 0.48
+0.10 0.49 0.30
+0.10 0.72 0.18
+0.10 0.62 0.04
+0.10 0.42 0.70
+0.10 0.68 0.64
+0.10 0.35 0.18
+0.10 0.61 0.63
+0.10 0.73 0.33
+0.10 0.74 0.20
+0.10 0.92 0.69
+0.10 0.66 0.26
+0.10 0.53 0.09
+0.10 0.26 0.88
+0.10 0.69 0.09
+0.10 0.11 0.36
+0.10 0.58 0.59
+0.10 0.67 0.29
+0.10 0.78 0.29
+0.10 0.33 0.19
+0.10 0.98 0.00
+0.10 0.83 0.33
+0.10 0.19 0.44
+0.10 0.96 0.92
+0.10 0.77 0.70
+0.10 0.12 0.69
+0.10 0.39 0.77
+0.10 0.94 0.92
+0.10 0.86 0.20
+0.10 0.80 0.55
+CELLS 120 240
+1 0
+1 1
+1 2
+1 3
+1 4
+1 5
+1 6
+1 7
+1 8
+1 9
+1 10
+1 11
+1 12
+1 13
+1 14
+1 15
+1 16
+1 17
+1 18
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diff --git a/BasicSolver/3D-seq/vtk_files/particles12.vtk b/BasicSolver/3D-seq/vtk_files/particles12.vtk
new file mode 100644
index 0000000..6175547
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles12.vtk
@@ -0,0 +1,372 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
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diff --git a/BasicSolver/3D-seq/vtk_files/particles13.vtk b/BasicSolver/3D-seq/vtk_files/particles13.vtk
new file mode 100644
index 0000000..109f152
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles13.vtk
@@ -0,0 +1,372 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
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+CYCLE 1 1 int
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diff --git a/BasicSolver/3D-seq/vtk_files/particles14.vtk b/BasicSolver/3D-seq/vtk_files/particles14.vtk
new file mode 100644
index 0000000..cfe4a18
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles14.vtk
@@ -0,0 +1,462 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
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diff --git a/BasicSolver/3D-seq/vtk_files/particles15.vtk b/BasicSolver/3D-seq/vtk_files/particles15.vtk
new file mode 100644
index 0000000..c874ea8
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles15.vtk
@@ -0,0 +1,462 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
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diff --git a/BasicSolver/3D-seq/vtk_files/particles16.vtk b/BasicSolver/3D-seq/vtk_files/particles16.vtk
new file mode 100644
index 0000000..2a9d8d1
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles16.vtk
@@ -0,0 +1,462 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
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diff --git a/BasicSolver/3D-seq/vtk_files/particles17.vtk b/BasicSolver/3D-seq/vtk_files/particles17.vtk
new file mode 100644
index 0000000..ec192a8
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles17.vtk
@@ -0,0 +1,552 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
+17
+CYCLE 1 1 int
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diff --git a/BasicSolver/3D-seq/vtk_files/particles18.vtk b/BasicSolver/3D-seq/vtk_files/particles18.vtk
new file mode 100644
index 0000000..4576296
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles18.vtk
@@ -0,0 +1,552 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
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+DATASET UNSTRUCTURED_GRID
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+TIME 1 1 double
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+CYCLE 1 1 int
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diff --git a/BasicSolver/3D-seq/vtk_files/particles19.vtk b/BasicSolver/3D-seq/vtk_files/particles19.vtk
new file mode 100644
index 0000000..d684982
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles19.vtk
@@ -0,0 +1,552 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
+19
+CYCLE 1 1 int
+1
+POINTS 180 float
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diff --git a/BasicSolver/3D-seq/vtk_files/particles2.vtk b/BasicSolver/3D-seq/vtk_files/particles2.vtk
new file mode 100644
index 0000000..ebf194a
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles2.vtk
@@ -0,0 +1,102 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
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+CYCLE 1 1 int
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diff --git a/BasicSolver/3D-seq/vtk_files/particles20.vtk b/BasicSolver/3D-seq/vtk_files/particles20.vtk
new file mode 100644
index 0000000..853a44e
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles20.vtk
@@ -0,0 +1,642 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
+20
+CYCLE 1 1 int
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diff --git a/BasicSolver/3D-seq/vtk_files/particles21.vtk b/BasicSolver/3D-seq/vtk_files/particles21.vtk
new file mode 100644
index 0000000..adfe5f5
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles21.vtk
@@ -0,0 +1,642 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
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diff --git a/BasicSolver/3D-seq/vtk_files/particles22.vtk b/BasicSolver/3D-seq/vtk_files/particles22.vtk
new file mode 100644
index 0000000..90d33b1
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles22.vtk
@@ -0,0 +1,642 @@
+# vtk DataFile Version 3.0
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diff --git a/BasicSolver/3D-seq/vtk_files/particles23.vtk b/BasicSolver/3D-seq/vtk_files/particles23.vtk
new file mode 100644
index 0000000..1518fb8
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles23.vtk
@@ -0,0 +1,732 @@
+# vtk DataFile Version 3.0
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diff --git a/BasicSolver/3D-seq/vtk_files/particles24.vtk b/BasicSolver/3D-seq/vtk_files/particles24.vtk
new file mode 100644
index 0000000..790c81b
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles24.vtk
@@ -0,0 +1,732 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
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diff --git a/BasicSolver/3D-seq/vtk_files/particles25.vtk b/BasicSolver/3D-seq/vtk_files/particles25.vtk
new file mode 100644
index 0000000..9f3fab5
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles25.vtk
@@ -0,0 +1,732 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
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+CYCLE 1 1 int
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diff --git a/BasicSolver/3D-seq/vtk_files/particles26.vtk b/BasicSolver/3D-seq/vtk_files/particles26.vtk
new file mode 100644
index 0000000..12eea2a
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles26.vtk
@@ -0,0 +1,822 @@
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diff --git a/BasicSolver/3D-seq/vtk_files/particles27.vtk b/BasicSolver/3D-seq/vtk_files/particles27.vtk
new file mode 100644
index 0000000..09801d9
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles27.vtk
@@ -0,0 +1,822 @@
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diff --git a/BasicSolver/3D-seq/vtk_files/particles28.vtk b/BasicSolver/3D-seq/vtk_files/particles28.vtk
new file mode 100644
index 0000000..521066b
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles28.vtk
@@ -0,0 +1,822 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
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diff --git a/BasicSolver/3D-seq/vtk_files/particles29.vtk b/BasicSolver/3D-seq/vtk_files/particles29.vtk
new file mode 100644
index 0000000..834a9d2
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles29.vtk
@@ -0,0 +1,912 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
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diff --git a/BasicSolver/3D-seq/vtk_files/particles3.vtk b/BasicSolver/3D-seq/vtk_files/particles3.vtk
new file mode 100644
index 0000000..73566c1
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles3.vtk
@@ -0,0 +1,102 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
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new file mode 100644
index 0000000..51bd5da
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles30.vtk
@@ -0,0 +1,912 @@
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diff --git a/BasicSolver/3D-seq/vtk_files/particles31.vtk b/BasicSolver/3D-seq/vtk_files/particles31.vtk
new file mode 100644
index 0000000..bf8444b
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles31.vtk
@@ -0,0 +1,912 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
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diff --git a/BasicSolver/3D-seq/vtk_files/particles32.vtk b/BasicSolver/3D-seq/vtk_files/particles32.vtk
new file mode 100644
index 0000000..0ef6269
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles32.vtk
@@ -0,0 +1,1002 @@
+# vtk DataFile Version 3.0
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diff --git a/BasicSolver/3D-seq/vtk_files/particles33.vtk b/BasicSolver/3D-seq/vtk_files/particles33.vtk
new file mode 100644
index 0000000..0de2bb6
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles33.vtk
@@ -0,0 +1,1002 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
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+CYCLE 1 1 int
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diff --git a/BasicSolver/3D-seq/vtk_files/particles34.vtk b/BasicSolver/3D-seq/vtk_files/particles34.vtk
new file mode 100644
index 0000000..62f0a84
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles34.vtk
@@ -0,0 +1,1002 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
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diff --git a/BasicSolver/3D-seq/vtk_files/particles35.vtk b/BasicSolver/3D-seq/vtk_files/particles35.vtk
new file mode 100644
index 0000000..cb86fd5
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles35.vtk
@@ -0,0 +1,1092 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
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diff --git a/BasicSolver/3D-seq/vtk_files/particles36.vtk b/BasicSolver/3D-seq/vtk_files/particles36.vtk
new file mode 100644
index 0000000..96af3a5
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles36.vtk
@@ -0,0 +1,1092 @@
+# vtk DataFile Version 3.0
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diff --git a/BasicSolver/3D-seq/vtk_files/particles37.vtk b/BasicSolver/3D-seq/vtk_files/particles37.vtk
new file mode 100644
index 0000000..2fe6ddf
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles37.vtk
@@ -0,0 +1,1092 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
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diff --git a/BasicSolver/3D-seq/vtk_files/particles38.vtk b/BasicSolver/3D-seq/vtk_files/particles38.vtk
new file mode 100644
index 0000000..823a8dd
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles38.vtk
@@ -0,0 +1,1182 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
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diff --git a/BasicSolver/3D-seq/vtk_files/particles4.vtk b/BasicSolver/3D-seq/vtk_files/particles4.vtk
new file mode 100644
index 0000000..4a9caf1
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles4.vtk
@@ -0,0 +1,102 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
+4
+CYCLE 1 1 int
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+POINTS 30 float
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+CELLS 30 60
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diff --git a/BasicSolver/3D-seq/vtk_files/particles5.vtk b/BasicSolver/3D-seq/vtk_files/particles5.vtk
new file mode 100644
index 0000000..fd100b2
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles5.vtk
@@ -0,0 +1,192 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
+5
+CYCLE 1 1 int
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diff --git a/BasicSolver/3D-seq/vtk_files/particles6.vtk b/BasicSolver/3D-seq/vtk_files/particles6.vtk
new file mode 100644
index 0000000..98d2b86
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles6.vtk
@@ -0,0 +1,192 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
+6
+CYCLE 1 1 int
+1
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diff --git a/BasicSolver/3D-seq/vtk_files/particles7.vtk b/BasicSolver/3D-seq/vtk_files/particles7.vtk
new file mode 100644
index 0000000..3962b98
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles7.vtk
@@ -0,0 +1,192 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
+7
+CYCLE 1 1 int
+1
+POINTS 60 float
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diff --git a/BasicSolver/3D-seq/vtk_files/particles8.vtk b/BasicSolver/3D-seq/vtk_files/particles8.vtk
new file mode 100644
index 0000000..ead73ec
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles8.vtk
@@ -0,0 +1,282 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
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+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
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+CYCLE 1 1 int
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diff --git a/BasicSolver/3D-seq/vtk_files/particles9.vtk b/BasicSolver/3D-seq/vtk_files/particles9.vtk
new file mode 100644
index 0000000..18ea88c
--- /dev/null
+++ b/BasicSolver/3D-seq/vtk_files/particles9.vtk
@@ -0,0 +1,282 @@
+# vtk DataFile Version 3.0
+PAMPI cfd solver particle tracing file
+ASCII
+DATASET UNSTRUCTURED_GRID
+FIELD FieldData 2
+TIME 1 1 double
+9
+CYCLE 1 1 int
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