diff --git a/.gitignore b/.gitignore
index 428727a..ff9fcc5 100644
--- a/.gitignore
+++ b/.gitignore
@@ -2,6 +2,7 @@ __pycache__
 build/
 logs/
 storage/
+env/
 *.gz
 *.xz
 *.fls
diff --git a/anisotropy.sh b/anisotropy.sh
index f0a2ab2..238f081 100755
--- a/anisotropy.sh
+++ b/anisotropy.sh
@@ -4,6 +4,15 @@ DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" && pwd )"
 if [ "$1" = "clean" ]; then
     git clean -fdx
     exit 0
-fi
 
-python ${DIR}/anisotropy/anisotropy.py
+elif [ "$1" = "init" ]; then
+    python -m venv env
+    source env/bin/activate
+    python -m pip install --upgrade pip
+    python -m pip install requirements.txt
+
+elif [ "$1" = "run" ]; then
+    source ${OPENFOAM}
+    python ${DIR}/anisotropy/anisotropy.py
+
+fi
diff --git a/anisotropy/anisotropy.py b/anisotropy/anisotropy.py
index b936d02..20e59df 100644
--- a/anisotropy/anisotropy.py
+++ b/anisotropy/anisotropy.py
@@ -3,38 +3,39 @@ import time
 from datetime import timedelta
 import shutil
 
-sys.path.append(os.path.abspath("../"))
+ROOT = "/".join(__file__.split("/")[:-2])
+sys.path.append(os.path.abspath(ROOT))
 
-from utils import struct, checkEnv
+from utils import struct
 import toml
 import logging
 
-CONFIG = os.path.abspath("../conf/config.toml")
+CONFIG = os.path.join(ROOT, "conf/config.toml")
 config = struct(toml.load(CONFIG))
 
-def main():
 
     #CONFIG = os.path.abspath("../conf/config.toml")
     #config = struct(toml.load(CONFIG))
     
-    LOG = os.path.abspath("../logs")
-    if not os.path.exists(LOG):
-        os.makedirs(LOG)
+LOG = os.path.join(ROOT, "logs")
+if not os.path.exists(LOG):
+    os.makedirs(LOG)
 
-    BUILD = os.path.abspath("../build")
-    if not os.path.exists(BUILD):
-        os.makedirs(BUILD)
+BUILD = os.path.join(ROOT, "build")
+if not os.path.exists(BUILD):
+    os.makedirs(BUILD)
 
-    logging.basicConfig(
-        level = logging.INFO,
-        format = config.logger.format,
-        handlers = [
-            logging.StreamHandler(),
-            logging.FileHandler(f"{ LOG }/{ config.logger.name }.log")
-        ]
-    )
-    logger = logging.getLogger(config.logger.name)
+logging.basicConfig(
+    level = logging.INFO,
+    format = config.logger.format,
+    handlers = [
+        logging.StreamHandler(),
+        logging.FileHandler(f"{ LOG }/{ config.logger.name }.log")
+    ]
+)
+logger = logging.getLogger(config.logger.name)
 
+def main():
     if checkEnv():
         return
 
@@ -64,7 +65,7 @@ def main():
         if not returncode:
             task.flow = True
 
-        with open(os.path.join(config.LOG, "tasks.log"), "a") as io:
+        with open(os.path.join(LOG, "tasks.log"), "a") as io:
             idx = tasks.index(task)
             io.write(f"""Task {idx}:
     structure:\t{task.structure}
@@ -74,7 +75,7 @@ def main():
     flow:\t{task.flow}\n""")
 
 
-    logger.info(f"Warnings: {logger.warnings}\tErrors: {logger.errors}")
+    #logger.info(f"Warnings: {logger.warnings}\tErrors: {logger.errors}")
 
 
 def createTasks():
@@ -89,7 +90,7 @@ def createTasks():
                         theta = theta, 
                         fillet = getattr(config, structure).geometry.fillet, 
                         direction = direction, 
-                        export = os.path.abspath(f"../build/{ structure }/direction-{ direction[0] }{ direction [1] }{ direction [2] }/theta-{ theta }"),
+                        export = os.path.join(ROOT, f"{ BUILD }/{ structure }/direction-{ direction[0] }{ direction [1] }{ direction [2] }/theta-{ theta }"),
                         mesh = False,
                         flow = False
                     )
@@ -98,10 +99,10 @@ def createTasks():
 
     return tasks
 
-from salomepl.utils import runExecute
+from salomepl.utils import runExecute, salomeVersion
 
 def createMesh(task):
-    scriptpath = os.path.abspath("../salomepl/genmesh.py")
+    scriptpath = os.path.join(ROOT, "salomepl/genmesh.py")
     port = 2810
     stime = time.monotonic()
 
@@ -111,7 +112,7 @@ def createMesh(task):
         int(task.fillet), 
         "".join([str(coord) for coord in task.direction]), 
         os.path.join(task.export, "mesh.unv"),
-        os.path.abspath("../")
+        ROOT
     )
     returncode = runExecute(port, scriptpath, *args)
     
@@ -119,7 +120,7 @@ def createMesh(task):
     logger.info("createMesh: elapsed time: {}".format(timedelta(seconds = etime - stime)))
 
 
-from openfoam import openfoam
+import openfoam
 
 def calculate(task):
     foamCase = [ "0", "constant", "system" ]
@@ -129,7 +130,7 @@ def calculate(task):
 
     for d in foamCase:
         shutil.copytree(
-            os.path.abspath("../openfoam/template", d), 
+            os.path.join(ROOT, "openfoam/template", d), 
             os.path.join(task.export, d)
         )
     
@@ -170,13 +171,30 @@ def calculate(task):
     if out:
         logger.info(out)
 
-    os.chdir(config.ROOT)
+    os.chdir(ROOT)
     
     etime = time.monotonic()
     logger.info("calculate: elapsed time: {}".format(timedelta(seconds = etime - stime)))
 
     return returncode
 
+def checkEnv():
+    missed = False
+    
+    try:
+        pythonVersion = "Python {}".format(sys.version.split(" ")[0])
+        salomeplVersion = salomeVersion()
+        openfoamVersion = openfoam.foamVersion()
+
+    except Exception as e:
+        logger.critical("Missed environment %s", e)
+        missed = True
+
+    else:
+        logger.info(f"environment:\n\t{pythonVersion}\n\t{salomeplVersion}\n\t{openfoamVersion}")
+
+    finally:
+        return missed
 
 
 def postprocessing(tasks):
diff --git a/anisotropy/utils.py b/anisotropy/utils.py
index f4659fc..1f5c0ec 100644
--- a/anisotropy/utils.py
+++ b/anisotropy/utils.py
@@ -150,22 +150,4 @@ def portIsFree(address, port):
         return s.connect_ex((address, port)) == 0
 
 
-def checkEnv():
-    missed = False
-    
-    try:
-        pythonVersion = "Python {}".format(sys.version.split(" ")[0])
-        salomeVersion = salome_utils.salomeVersion()
-        foamVersion = foam_utils.foamVersion()
-
-    except Exception:
-        logger.critical("Missed environment")
-        missed = True
-
-    else:
-        logger.info(f"environment:\n\t{pythonVersion}\n\t{salomeVersion}\n\t{foamVersion}")
-
-    finally:
-        return missed
-
 
diff --git a/openfoam/__init__.py b/openfoam/__init__.py
index e69de29..e959345 100644
--- a/openfoam/__init__.py
+++ b/openfoam/__init__.py
@@ -0,0 +1,32 @@
+
+from .meshConversion import ideasUnvToFoam
+from .meshManipulation import createPatch, transformPoints, checkMesh, renumberMesh
+from .miscellaneous import foamDictionary
+from .parallelProcessing import decomposePar
+from .solvers import potentialFoam, simpleFoam
+from .utils import foamVersion, foamClean
+
+__all__ = [
+    # meshConversion
+    "ideasUnvToFoam",
+
+    # meshManipulation
+    "createPatch",
+    "transformPoints",
+    "checkMesh",
+    "renumberMesh",
+
+    # miscellaneous
+    "foamDictionary",
+
+    # parallelProcessing
+    "decomposePar",
+
+    # solvers
+    "potentialFoam",
+    "simpleFoam",
+
+    # utils
+    "foamVersion",
+    "foamClean"
+]
diff --git a/openfoam/openfoam.py b/openfoam/application.py
similarity index 82%
rename from openfoam/openfoam.py
rename to openfoam/application.py
index c587b39..4bf723d 100644
--- a/openfoam/openfoam.py
+++ b/openfoam/application.py
@@ -1,17 +1,9 @@
 import os, sys
 import subprocess
 
-sys.path.append(os.path.abspath("../"))
-
 import logging
 logger = logging.getLogger()
 
-from openfoam.miscellaneous import *
-from openfoam.meshConversion import *
-from openfoam.meshManipulation import *
-from openfoam.parallelProcessing import *
-from openfoam.solvers import *
-
 def application(name: str, *args: str, case: str = None, stderr: bool = True, useMPI: bool = False) -> int:
     
     cmd = []
diff --git a/openfoam/meshConversion.py b/openfoam/meshConversion.py
index 83f410f..7e0666a 100644
--- a/openfoam/meshConversion.py
+++ b/openfoam/meshConversion.py
@@ -1,3 +1,4 @@
+from .application import application
 
 def ideasUnvToFoam(mesh: str, case: str = None) -> (str, int):
     return application("ideasUnvToFoam", mesh, case = case, stderr = True)
diff --git a/openfoam/meshManipulation.py b/openfoam/meshManipulation.py
index 5cbdb92..44e10e5 100644
--- a/openfoam/meshManipulation.py
+++ b/openfoam/meshManipulation.py
@@ -1,3 +1,5 @@
+from .application import application
+
 import re
 
 def createPatch(dictfile: str = None, case: str = None):
diff --git a/openfoam/miscellaneous.py b/openfoam/miscellaneous.py
index c3f1ee3..35ab7c0 100644
--- a/openfoam/miscellaneous.py
+++ b/openfoam/miscellaneous.py
@@ -1,3 +1,4 @@
+from .application import application
 
 def foamDictionary(filepath: str, entry: str, value: str = None, case: str = None):
     args = [filepath, "-entry", entry]
diff --git a/openfoam/parallelProcessing.py b/openfoam/parallelProcessing.py
index 5be9153..e5e927c 100644
--- a/openfoam/parallelProcessing.py
+++ b/openfoam/parallelProcessing.py
@@ -1,3 +1,4 @@
+from .application import application
 
 def decomposePar(case: str = None):
     application("decomposePar", case = case, stderr = True)
diff --git a/openfoam/solvers.py b/openfoam/solvers.py
index 15901cf..9a1f2d3 100644
--- a/openfoam/solvers.py
+++ b/openfoam/solvers.py
@@ -1,3 +1,5 @@
+from .application import application
+
 import re 
 
 def potentialFoam(case: str = None):
diff --git a/salomepl/genmesh.py b/salomepl/genmesh.py
index 173f058..4d26a42 100644
--- a/salomepl/genmesh.py
+++ b/salomepl/genmesh.py
@@ -9,15 +9,28 @@ import math
 import salome
 
 # get project path from args
-sys.path.append(sys.argv[6])
+ROOT = sys.argv[6]
+sys.path.append(ROOT)
+# site-packages from virtual env
+sys.path.append(os.path.join(ROOT, "env/lib/python3.9/site-packages"))
 
 import toml
 import logging
 from anisotropy.utils import struct
 
-CONFIG = os.path.abspath("../conf/config.toml")
+CONFIG = os.path.join(ROOT, "conf/config.toml")
 config = struct(toml.load(CONFIG))
 
+LOG = os.path.join(ROOT, "logs")
+
+logging.basicConfig(
+    level = logging.INFO,
+    format = config.logger.format,
+    handlers = [
+        logging.StreamHandler(),
+        logging.FileHandler(f"{ LOG }/{ config.logger.name }.log")
+    ]
+)
 logger = logging.getLogger(config.logger.name)
 
 from salomepl.simple import simpleCubic, simpleHexagonalPrism
@@ -62,9 +75,10 @@ def genmesh(stype, theta, fillet, direction, export):
         elif direction == [1, 1, 1]:
             structure = simpleHexagonalPrism
 
-        fineness = config.simple.fineness
-        parameters = config.simple.parameters
-        viscousLayers = config.simple.viscousLayers
+        #fineness = config.simple.fineness
+        #parameters = config.simple.parameters
+        #viscousLayers = config.simple.viscousLayers
+        meshParameters = config.simple.mesh
 
     elif stype == "faceCentered":
         if direction in [[1, 0, 0], [0, 0, 1]]:
@@ -73,9 +87,10 @@ def genmesh(stype, theta, fillet, direction, export):
         elif direction == [1, 1, 1]:
             structure = faceCenteredHexagonalPrism
 
-        fineness = config.faceCentered.fineness
-        parameters = config.faceCentered.parameters
-        viscousLayers = config.faceCentered.viscousLayers
+        #fineness = config.faceCentered.fineness
+        #parameters = config.faceCentered.parameters
+        #viscousLayers = config.faceCentered.viscousLayers
+        meshParameters = config.faceCentered.mesh
 
     elif stype == "bodyCentered":
         if direction in [[1, 0, 0], [0, 0, 1]]:
@@ -84,9 +99,10 @@ def genmesh(stype, theta, fillet, direction, export):
         elif direction == [1, 1, 1]:
             structure = bodyCenteredHexagonalPrism
     
-        fineness = config.bodyCentered.fineness
-        parameters = config.bodyCentered.parameters
-        viscousLayers = config.bodyCentered.viscousLayers
+        #fineness = config.bodyCentered.fineness
+        #parameters = config.bodyCentered.parameters
+        #viscousLayers = config.bodyCentered.viscousLayers
+        meshParameters = config.bodyCentered.mesh
 
     ###
     #   Shape
@@ -108,10 +124,10 @@ def genmesh(stype, theta, fillet, direction, export):
         if group.GetName() in ["inlet", "outlet"]:
             facesToIgnore.append(group)
 
-    viscousLayers.facesToIgnore = facesToIgnore
-    viscousLayers.extrusionMethod = smeshBuilder.SURF_OFFSET_SMOOTH
+    meshParameters.facesToIgnore = facesToIgnore
+    meshParameters.extrusionMethod = smeshBuilder.SURF_OFFSET_SMOOTH
     
-    mesh = meshCreate(shape, groups, fineness, parameters, viscousLayers)
+    mesh = meshCreate(shape, groups, meshParameters) #fineness, parameters, viscousLayers)
     meshCompute(mesh)
 
     meshStats(mesh)
diff --git a/salomepl/mesh.py b/salomepl/mesh.py
index 3ac3783..3a24d17 100644
--- a/salomepl/mesh.py
+++ b/salomepl/mesh.py
@@ -3,13 +3,13 @@ from salome.smesh import smeshBuilder
 smesh = smeshBuilder.New()
 
 import logging
-logger = logging.getLogger(config.logger.name)
+logger = logging.getLogger("anisotropy")
 
 def getSmesh():
     return smesh
 
 
-def meshCreate(shape, groups, fineness, parameters, viscousLayers = None):
+def meshCreate(shape, groups, parameters): #fineness, parameters, viscousLayers = None):
     """
     Creates a mesh from a geometry.
 
@@ -36,7 +36,7 @@ def meshCreate(shape, groups, fineness, parameters, viscousLayers = None):
         3: "Fine",
         4: "Very fine",
         5: "Custom"
-    }[fineness]
+    }[parameters.fineness]
 
     # Mesh
     mesh = smesh.Mesh(shape)
@@ -46,9 +46,9 @@ def meshCreate(shape, groups, fineness, parameters, viscousLayers = None):
     param = netgen.Parameters()
     param.SetMinSize(parameters.minSize)
     param.SetMaxSize(parameters.maxSize)
-    param.SetFineness(fineness)
+    param.SetFineness(parameters.fineness)
     
-    if fineness == 5:
+    if parameters.fineness == 5:
         param.SetGrowthRate(parameters.growthRate)
         param.SetNbSegPerEdge(parameters.nbSegPerEdge)
         param.SetNbSegPerRadius(parameters.nbSegPerRadius)
@@ -94,30 +94,30 @@ def meshCreate(shape, groups, fineness, parameters, viscousLayers = None):
     ###
     #   Viscous layers
     ##
-    if not viscousLayers is None:
-        vlayer = netgen.ViscousLayers(
-            viscousLayers.thickness,
-            viscousLayers.numberOfLayers,
-            viscousLayers.stretchFactor,
-            viscousLayers.facesToIgnore,
-            viscousLayers.isFacesToIgnore, 
-            viscousLayers.extrusionMethod
-        )
+    #if not viscousLayers is None:
+    vlayer = netgen.ViscousLayers(
+        parameters.thickness,
+        parameters.numberOfLayers,
+        parameters.stretchFactor,
+        parameters.facesToIgnore,
+        parameters.isFacesToIgnore, 
+        parameters.extrusionMethod
+    )
 
-        logger.info("""meshCreate:
-    viscous layers: 
-        thickness:\t{}
-        number:\t{}
-        stretch factor:\t{}""".format(
-            viscousLayers.thickness, 
-            viscousLayers.numberOfLayers, 
-            viscousLayers.stretchFactor))
+    logger.info("""meshCreate:
+viscous layers: 
+    thickness:\t{}
+    number:\t{}
+    stretch factor:\t{}""".format(
+        parameters.thickness, 
+        parameters.numberOfLayers, 
+        parameters.stretchFactor))
 
         
 
-    else:
-        logger.info("""meshCreate: 
-    viscous layers: disabled""")
+    #else:
+    #    logger.info("""meshCreate: 
+    #viscous layers: disabled""")
 
 
     return mesh