Added pre-defined sets for faces, edges and vertices of RVE

src/kanapy/api.py

@@ -765,7 +765,7 @@ def write_abq(self, nodes=None, file=None, path='./', voxel_dict=None, grain_dic
                       units=units, gb_area=faces,
                       dual_phase=dual_phase,
                       ialloy=ialloy, grain_phase_dict=grpd,
-                      thermal=thermal)
+                      thermal=thermal, periodic=self.rve.periodic)
         # if orientation exists and ialloy is defined also write material file with Euler angles
         if not (self.mesh.grain_ori_dict is None or ialloy is None):
             writeAbaqusMat(ialloy, self.mesh.grain_ori_dict,

src/kanapy/initializations.py

@@ -611,3 +611,132 @@ def set_stats(grains, ar=None, omega=None, deq_min=None, deq_max=None,
             json.dump(ms_stats, outfile, indent=2)
 
     return ms_stats
+
+
+class NodeSets(object):
+    def __init__(self, nodes):
+        self.F0yz = []  # left nodes
+        self.F1yz = []  # right nodes
+        self.Fx0z = []  # bottom nodes
+        self.Fx1z = []  # top nodes
+        self.Fxy0 = []  # rear nodes
+        self.Fxy1 = []  # front nodes
+        self.surfSet = []  # nodes on any surface
+        maxX = max(nodes[:, 0])
+        minX = min(nodes[:, 0])
+        maxY = max(nodes[:, 1])
+        minY = min(nodes[:, 1])
+        maxZ = max(nodes[:, 2])
+        minZ = min(nodes[:, 2])
+        # select all nodes on a surface and assign to face
+        for i, coord in enumerate(nodes):
+            surface = False
+            if np.isclose(coord[0], maxX):
+                surface = True
+                self.F1yz.append(i)
+            if np.isclose(coord[0], minX):
+                surface = True
+                self.F0yz.append(i)
+            if np.isclose(coord[1], maxY):
+                surface = True
+                self.Fx1z.append(i)
+            if np.isclose(coord[1], minY):
+                surface = True
+                self.Fx0z.append(i)
+            if np.isclose(coord[2], maxZ):
+                surface = True
+                self.Fxy1.append(i)
+            if np.isclose(coord[2], minZ):
+                surface = True
+                self.Fxy0.append(i)
+            if surface:
+                self.surfSet.append(i)
+
+        # Find edges
+        # top front edge
+        E_T1 = np.intersect1d(self.Fxy1, self.Fx1z)
+        self.Ex11 = self.CreatePeriodicEdgeSets(self.surfSet, nodes[self.surfSet, 0], E_T1)
+        # top back edge
+        E_T3 = np.intersect1d(self.Fxy0, self.Fx1z)
+        self.Ex10 = self.CreatePeriodicEdgeSets(self.surfSet, nodes[self.surfSet, 0], E_T3)
+        # top left edge
+        E_T4 = np.intersect1d(self.F0yz, self.Fx1z)
+        self.E01z = self.CreatePeriodicEdgeSets(self.surfSet, nodes[self.surfSet, 2], E_T4)
+        # top right edge
+        E_T2 = np.intersect1d(self.F1yz, self.Fx1z)
+        self.E11z = self.CreatePeriodicEdgeSets(self.surfSet, nodes[self.surfSet, 2], E_T2)
+        # bottom front edge
+        E_B1 = np.intersect1d(self.Fxy1, self.Fx0z)
+        self.Ex01 = self.CreatePeriodicEdgeSets(self.surfSet, nodes[self.surfSet, 0], E_B1)
+        # bottom back edge
+        E_B3 = np.intersect1d(self.Fxy0, self.Fx0z)
+        self.Ex00 = self.CreatePeriodicEdgeSets(self.surfSet, nodes[self.surfSet, 0], E_B3)
+        # bottom left edge
+        E_B4 = np.intersect1d(self.F0yz, self.Fx0z)
+        self.E00z = self.CreatePeriodicEdgeSets(self.surfSet, nodes[self.surfSet, 2], E_B4)
+        # bottom right edge
+        E_B2 = np.intersect1d(self.F1yz, self.Fx0z)
+        self.E10z = self.CreatePeriodicEdgeSets(self.surfSet, nodes[self.surfSet, 2], E_B2)
+        # left front edge
+        E_M1 = np.intersect1d(self.F0yz, self.Fxy1)
+        self.E0y1 = self.CreatePeriodicEdgeSets(self.surfSet, nodes[self.surfSet, 1], E_M1)
+        # right front edge
+        E_M2 = np.intersect1d(self.Fxy1, self.F1yz)
+        self.E1y1 = self.CreatePeriodicEdgeSets(self.surfSet, nodes[self.surfSet, 1], E_M2)
+        # left rear edge
+        E_M4 = np.intersect1d(self.Fxy0, self.F0yz)
+        self.E0y0 = self.CreatePeriodicEdgeSets(self.surfSet, nodes[self.surfSet, 1], E_M4)
+        # right rear edge
+        E_M3 = np.intersect1d(self.Fxy0, self.F1yz)
+        self.E1y0 = self.CreatePeriodicEdgeSets(self.surfSet, nodes[self.surfSet, 1], E_M3)
+
+        # find VERTICES
+        self.V001 = np.intersect1d(self.Ex01, self.E00z)[0]  # V1
+        self.V101 = np.intersect1d(self.Ex01, self.E10z)[0]  # V2
+        self.V000 = np.intersect1d(self.Ex00, self.E00z)[0]  # H1
+        self.V100 = np.intersect1d(self.E10z, self.Ex00)[0]  # H2
+        self.V111 = np.intersect1d(self.Ex11, self.E11z)[0]  # V3
+        self.V110 = np.intersect1d(self.E11z, self.Ex10)[0]  # H3
+        self.V011 = np.intersect1d(self.Ex11, self.E01z)[0]  # V4
+        self.V010 = np.intersect1d(self.Ex10, self.E01z)[0]  # H4
+
+        # CORNERNODES = [self.V000, self.V100, self.V010, self.V001, self.V011, self.V101, self.V110, self.V111]
+
+    def CreatePeriodicNodeSets(self, Nodes, sortCoord1, sortCoord2, NodeSet):
+        # Creates a List of Sorted Nodes with respect to sortCoord1 and sortCoord2 for faces
+        # Input: Nodeset of surface nodes
+        import operator
+        startList = []
+        sortedList = []
+        for number in NodeSet:
+            startList.append([number, sortCoord1[Nodes.index(number)], sortCoord2[Nodes.index(number)]])
+        startList.sort(key=operator.itemgetter(1, 2))
+        for item in range(len(startList)):
+            sortedList.append(startList[item][0])
+
+        return sortedList
+
+
+    def CreatePeriodicEdgeSets(self, Nodes, sortCoord, NodeSet):
+        # Creates a List of Sorted Nodes with respect to sortCoord for edges
+        import operator
+        startList = []
+        sortedList = []
+        for number in NodeSet:
+            startList.append([number, sortCoord[Nodes.index(number)]])
+        startList.sort(key=operator.itemgetter(1))
+        for item in range(len(startList)):
+            sortedList.append(startList[item][0])
+
+        return sortedList
+
+    def RemoveItemInList(self, NodeList, ReplaceNodeList):
+        # remove set of nodes from list
+        for item in ReplaceNodeList:
+            try:
+                NodeList.remove(item)
+            except ValueError:
+                pass
+
+        return NodeList
+

src/kanapy/input_output.py

@@ -120,7 +120,7 @@ def read_dump(file):
 
 def export2abaqus(nodes, file, grain_dict, voxel_dict, units='mm',
                   gb_area=None, dual_phase=False, thermal=False,
-                  ialloy=None, grain_phase_dict=None):
+                  ialloy=None, grain_phase_dict=None, periodic=False):
     r"""
     Creates an ABAQUS input file with microstructure morphology information
     in the form of nodes, elements and element sets. If "dual_phase" is true,
@@ -134,19 +134,27 @@ def export2abaqus(nodes, file, grain_dict, voxel_dict, units='mm',
     .. note:: The nodal coordinates are written out in units of 1 mm or 1 :math:`\mu` m scale, as requested by the
                  user in the input file.
     """
+    from kanapy.initializations import NodeSets
+
+    def write_node_set(name, nset):
+        f.write(name)
+        for i, val in enumerate(nset[:-1], start=1):
+            if i % 16 == 0:
+                f.write(f'{val+1}\n')
+            else:
+                f.write(f'{val+1}, ')
+        f.write(f'{nset[-1]+1}\n')
 
     def write_grain_sets():
         # Create element sets for grains
         for k, v in grain_dict.items():
             f.write('*ELSET, ELSET=GRAIN{0}_SET\n'.format(k))
-            for enum, el in enumerate(v, 1):
+            for enum, el in enumerate(v[:-2], start=1):
                 if enum % 16 != 0:
-                    if enum == len(v):
-                        f.write('%d\n' % el)
-                    else:
-                        f.write('%d, ' % el)
+                    f.write('%d, ' % el)
                 else:
                     f.write('%d\n' % el)
+            f.write('%d\n' % v[-1])
         # Create sections
         for k in grain_dict.keys():
             if grain_phase_dict is None or grain_phase_dict[k] < nall:
@@ -207,6 +215,9 @@ def write_phase_sets():
     else:
         raise ValueError(f'Units must be either "mm" or "um", not "{0}"'
                          .format(units))
+    nsets = NodeSets(nodes)
+    if periodic:
+        p_eqs = None
 
     with open(file, 'w') as f:
         f.write('** Input file generated by kanapy\n')
@@ -275,6 +286,49 @@ def write_phase_sets():
         f.write('**\n')
         f.write('*Instance, name=PART-1-1, part=PART-1\n')
         f.write('*End Instance\n')
+        f.write('**\n')
+        f.write('** DEFINE NODE SETS\n')
+        f.write('** 1. VERTICES\n')
+        f.write(f'*Nset, nset=V000, instance=PART-1-1\n')
+        f.write(f'{nsets.V000+1}\n')
+        f.write(f'*Nset, nset=V001, instance=PART-1-1\n')
+        f.write(f'{nsets.V001+1}\n')
+        f.write(f'*Nset, nset=V010, instance=PART-1-1\n')
+        f.write(f'{nsets.V010+1}\n')
+        f.write(f'*Nset, nset=V100, instance=PART-1-1\n')
+        f.write(f'{nsets.V100+1}\n')
+        f.write(f'*Nset, nset=V011, instance=PART-1-1\n')
+        f.write(f'{nsets.V011+1}\n')
+        f.write(f'*Nset, nset=V101, instance=PART-1-1\n')
+        f.write(f'{nsets.V101+1}\n')
+        f.write(f'*Nset, nset=V110, instance=PART-1-1\n')
+        f.write(f'{nsets.V110+1}\n')
+        f.write(f'*Nset, nset=V111, instance=PART-1-1\n')
+        f.write(f'{nsets.V111+1}\n')
+        f.write('*Nset, nset=Vertices, instance=PART-1-1\n')
+        f.write(f'{nsets.V000+1}, {nsets.V100+1}, {nsets.V010+1}, {nsets.V001+1}, {nsets.V011+1}, '
+                f'{nsets.V101+1}, {nsets.V110+1}, {nsets.V111+1}\n')
+        f.write('** 2. EDGES\n')
+        write_node_set('*Nset, nset=Ex00, instance=PART-1-1\n', nsets.Ex00)
+        write_node_set('*Nset, nset=Ex01, instance=PART-1-1\n', nsets.Ex01)
+        write_node_set('*Nset, nset=Ex10, instance=PART-1-1\n', nsets.Ex10)
+        write_node_set('*Nset, nset=Ex11, instance=PART-1-1\n', nsets.Ex11)
+        write_node_set('*Nset, nset=E0y0, instance=PART-1-1\n', nsets.E0y0)
+        write_node_set('*Nset, nset=E0y1, instance=PART-1-1\n', nsets.E0y1)
+        write_node_set('*Nset, nset=E1y0, instance=PART-1-1\n', nsets.E1y0)
+        write_node_set('*Nset, nset=E1y1, instance=PART-1-1\n', nsets.E1y1)
+        write_node_set('*Nset, nset=E00z, instance=PART-1-1\n', nsets.E00z)
+        write_node_set('*Nset, nset=E01z, instance=PART-1-1\n', nsets.E01z)
+        write_node_set('*Nset, nset=E10z, instance=PART-1-1\n', nsets.E10z)
+        write_node_set('*Nset, nset=E11z, instance=PART-1-1\n', nsets.E11z)
+        f.write('** 3. FACES\n')
+        write_node_set(f'*Nset, nset=Fxy0, instance=PART-1-1\n', nsets.Fxy0)
+        write_node_set(f'*Nset, nset=Fxy1, instance=PART-1-1\n', nsets.Fxy1)
+        write_node_set(f'*Nset, nset=Fx0z, instance=PART-1-1\n', nsets.Fx0z)
+        write_node_set(f'*Nset, nset=Fx1z, instance=PART-1-1\n', nsets.Fx1z)
+        write_node_set(f'*Nset, nset=F0yz, instance=PART-1-1\n', nsets.F0yz)
+        write_node_set(f'*Nset, nset=F1yz, instance=PART-1-1\n', nsets.F1yz)
+        f.write('**\n')
         f.write('*End Assembly\n')
         f.write('**\n')
         f.write('**\n')
@@ -296,6 +350,7 @@ def write_phase_sets():
             f.write('**\n')
             f.write('*Include, input={}mat.inp\n'.format(file[0:-8]))
             f.write('**\n')
+        f.write('**Include, input=REM_PART.inp\n')  # prepare include for BC and step definitions
     print('---->DONE!\n')
     return
 

tests/test_input_output.py

@@ -65,7 +65,8 @@ def test_read_dump(temp_dump):
 
 def test_export_abaqus():
 
-    nodes = [[1., 0., 1.], [1., 0., 0.], [0., 0., 0.], [0., 0., 1.], [1., 1., 1.], [1., 1., 0.], [0., 1., 0.], 
+    nodes = np.array(
+             [[1., 0., 1.], [1., 0., 0.], [0., 0., 0.], [0., 0., 1.], [1., 1., 1.], [1., 1., 0.], [0., 1., 0.],
              [0., 1., 1.], [2., 0., 1.], [2., 0., 0.], [2., 1., 1.], [2., 1., 0.], [3., 0., 1.], [3., 0., 0.], 
              [3., 1., 1.], [3., 1., 0.], [1., 2., 1.], [1., 2., 0.], [0., 2., 0.], [0., 2., 1.], [2., 2., 1.], 
              [2., 2., 0.], [3., 2., 1.], [3., 2., 0.], [1., 3., 1.], [1., 3., 0.], [0., 3., 0.], [0., 3., 1.],
@@ -74,7 +75,7 @@ def test_export_abaqus():
              [2., 2., 2.], [3., 2., 2.], [1., 3., 2.], [0., 3., 2.], [2., 3., 2.], [3., 3., 2.], [1., 0., 3.], 
              [0., 0., 3.], [1., 1., 3.], [0., 1., 3.], [2., 0., 3.], [2., 1., 3.], [3., 0., 3.], [3., 1., 3.], 
              [1., 2., 3.], [0., 2., 3.], [2., 2., 3.], [3., 2., 3.], [1., 3., 3.], [0., 3., 3.], [2., 3., 3.], 
-             [3., 3., 3.]]
+             [3., 3., 3.]])
 
     ed = {1: [1, 2, 3, 4, 5, 6, 7, 8], 2: [9, 10, 2, 1, 11, 12, 6, 5], 3: [13, 14, 10, 9, 15, 16, 12, 11],
           4: [5, 6, 7, 8, 17, 18, 19, 20], 5: [11, 12, 6, 5, 21, 22, 18, 17], 6: [15, 16, 12, 11, 23, 24, 22, 21],