Example #1
0
def refinement(nvol, vol, filename=None):
    import start as start
    cfg = start.start_cfg(filename=filename)
    from utilities import get_v_h_list
    #
    # vertical refinement
    # for nvol = 3
    #
    # ___________________________ interface 4
    #
    # vol 2
    # ___________________________ interface 3
    #
    # vol 1
    # ___________________________ interface 2
    #
    # vol 0
    # ___________________________ interface 1
    #
    #
    if cfg.ntripl != 0:
        if len(cfg.refinement_depth) != 0:
            _, _, _, _, _, tsurf = get_v_h_list([vol[nvol - 1].ID])
            tsurf = ' '.join(str(x) for x in tsurf)
            for idepth in cfg.refinement_depth:
                cubitcommand = 'refine node in surf  ' + \
                    str(tsurf) + ' numsplit 1 bias 1.0 depth ' + str(idepth)
                cubit.cmd(cubitcommand)
        else:
            for ir in cfg.tripl:
                if ir == 1:
                    print(
                        'interface = 1 means that the refinement'
                        'interface is at the bottom of the volume')
                    txt = ' all '
                    idepth = 1
                    cubitcommand = 'refine hex in vol  ' + txt
                elif ir != nvol + 1:
                    txt = ''
                    for id_vol_ref in range(ir - 1, nvol):
                        txt = txt + str(vol[id_vol_ref].ID) + ' '
                    cubitcommand = 'refine hex in vol  ' + txt
                else:
                    # refinement on the top surface
                    _, _, _, _, _, tsurf = get_v_h_list([vol[ir - 2].ID])
                    tsurf = ' '.join(str(x) for x in tsurf)
                    idepth = 1
                    cubitcommand = 'refine node in surf ' + str(tsurf) + \
                                   ' numsplit 1 bias 1.0 depth ' + str(idepth)
                cubit.cmd(cubitcommand)

    sandwich = 'verticalsandwich_volume_ascii_regulargrid_mpiregularmap'
    if not nvol and cfg.volume_type == sandwich:
        # AAA
        # Volume 2 is always in between the 2nd and 3rd vertical
        # surfaces from the left
        cubitcommand = "refine node in volume 2 numsplit 1 depth 0"
        cubit.cmd(cubitcommand)
Example #2
0
def refinement(nvol, vol, filename=None):
    import start as start
    cfg = start.start_cfg(filename=filename)
    from utilities import get_v_h_list
    #
    # vertical refinement
    # for nvol = 3
    #
    # ___________________________ interface 4
    #
    # vol 2
    # ___________________________ interface 3
    #
    # vol 1
    # ___________________________ interface 2
    #
    # vol 0
    # ___________________________ interface 1
    #
    #
    if cfg.ntripl != 0:
        if len(cfg.refinement_depth) != 0:
            _, _, _, _, _, tsurf = get_v_h_list([vol[nvol - 1].ID])
            tsurf = ' '.join(str(x) for x in tsurf)
            for idepth in cfg.refinement_depth:
                cubitcommand = 'refine node in surf  ' + \
                    str(tsurf) + ' numsplit 1 bias 1.0 depth ' + str(idepth)
                cubit.cmd(cubitcommand)
        else:
            for ir in cfg.tripl:
                if ir == 1:
                    print ('interface = 1 means that the refinement'
                           'interface is at the bottom of the volume')
                    txt = ' all '
                    idepth = 1
                    cubitcommand = 'refine hex in vol  ' + txt
                elif ir != nvol + 1:
                    txt = ''
                    for id_vol_ref in range(ir - 1, nvol):
                        txt = txt + str(vol[id_vol_ref].ID) + ' '
                    cubitcommand = 'refine hex in vol  ' + txt
                else:
                    # refinement on the top surface
                    _, _, _, _, _, tsurf = get_v_h_list([vol[ir - 2].ID])
                    tsurf = ' '.join(str(x) for x in tsurf)
                    idepth = 1
                    cubitcommand = 'refine node in surf ' + str(tsurf) + \
                                   ' numsplit 1 bias 1.0 depth ' + str(idepth)
                cubit.cmd(cubitcommand)

    sandwich = 'verticalsandwich_volume_ascii_regulargrid_mpiregularmap'
    if not nvol and cfg.volume_type == sandwich:
            # AAA
            # Volume 2 is always in between the 2nd and 3rd vertical
            # surfaces from the left
        cubitcommand = "refine node in volume 2 numsplit 1 depth 0"
        cubit.cmd(cubitcommand)
Example #3
0
def define_surf(ip=0,
                cpuxmin=0,
                cpuxmax=1,
                cpuymin=0,
                cpuymax=1,
                cpux=1,
                cpuy=1):
    """
    define the absorbing surfaces for a layered topological box where boundary are surfaces parallel to the axis.
    it returns absorbing_surf,absorbing_surf_xmin,absorbing_surf_xmax,absorbing_surf_ymin,absorbing_surf_ymax,absorbing_surf_bottom,topo_surf
    where
    absorbing_surf is the list of all the absorbing boundary surf
    absorbing_surf_xmin is the list of the absorbing boundary surfaces that correnspond to x=xmin
    ...
    absorbing_surf_bottom is the list of the absorbing boundary surfaces that correspond to z=zmin
    """
    from utilities import get_v_h_list
    #
    from sets import Set

    def product(*args, **kwds):
        # product('ABCD', 'xy') --> Ax Ay Bx By Cx Cy Dx Dy
        # product(range(2), repeat=3) --> 000 001 010 011 100 101 110 111
        # for compatibility with python2.5
        pools = map(tuple, args) * kwds.get('repeat', 1)
        result = [[]]
        for pool in pools:
            result = [x + [y] for x in result for y in pool]
        return result

    absorbing_surf = []
    xmin = []
    xmax = []
    ymin = []
    ymax = []
    #
    top_surf = []
    bottom_surf = []
    list_vol = cubit.parse_cubit_list("volume", "all")
    zmax_box = cubit.get_total_bounding_box("volume", list_vol)[7]
    zmin_box = cubit.get_total_bounding_box(
        "volume", list_vol
    )[6]  #it is the z_min of the box ... box= xmin,xmax,d,ymin,ymax,d,zmin...
    xmin_box = cubit.get_total_bounding_box("volume", list_vol)[0]
    xmax_box = cubit.get_total_bounding_box("volume", list_vol)[1]
    ymin_box = cubit.get_total_bounding_box("volume", list_vol)[3]
    ymax_box = cubit.get_total_bounding_box("volume", list_vol)[4]
    list_surf = cubit.parse_cubit_list("surface", "all")

    absorbing_surface_distance_tolerance = 0.001
    topographic_surface_distance_tolerance = 0.1
    topographic_surface_normal_tolerance = 0.4

    lv = []
    for k in list_surf:
        sbox = cubit.get_bounding_box('surface', k)
        if zmax_box == 0 and sbox[7] == 0:
            dzmax = 0
        elif zmax_box == 0 or sbox[7] == 0:
            dzmax = abs(sbox[7] - zmax_box)
        else:
            dzmax = abs(sbox[7] - zmax_box) / max(abs(sbox[7]), abs(zmax_box))
        if zmin_box == 0 and sbox[6] == 0:
            dzmin = 0
        elif zmin_box == 0 or sbox[6] == 0:
            dzmin = abs(sbox[6] - zmin_box)
        else:
            dzmin = abs(sbox[6] - zmin_box) / max(abs(sbox[6]), abs(zmin_box))
        normal = cubit.get_surface_normal(k)
        zn = normal[2]
        if dzmax <= topographic_surface_distance_tolerance and zn > topographic_surface_normal_tolerance:
            top_surf.append(k)
            list_vertex = cubit.get_relatives('surface', k, 'vertex')
            for v in list_vertex:
                valence = cubit.get_valence(v)
                if valence <= 4:  #valence 3 is a corner, 4 is a vertex between 2 volumes, > 4 is a vertex not in the boundaries
                    lv.append(v)
        elif dzmin <= 0.001 and zn < -1 + topographic_surface_normal_tolerance:
            bottom_surf.append(k)
    if len(top_surf) == 0:  #assuming that one topo surface need to be selected
        _, _, _, _, _, top_surf = get_v_h_list(list_vol, chktop=False)
    lp = []
    labelp = []
    combs = product(lv, lv)
    for comb in combs:
        v1 = comb[0]
        v2 = comb[1]
        c = Set(cubit.get_relatives("vertex", v1, "curve")) & Set(
            cubit.get_relatives("vertex", v2, "curve"))
        if len(c) == 1:
            p = cubit.get_center_point("curve", list(c)[0])
            labelp.append(list(c)[0])
    labelps = Set(labelp)
    for c in labelps:
        p = cubit.get_center_point("curve", c)
        lp.append(p)

    for k in list_surf:
        center_point = cubit.get_center_point("surface", k)
        for p in lp:
            try:
                if abs((center_point[0] - p[0]) /
                       p[0]) <= absorbing_surface_distance_tolerance and abs(
                           (center_point[1] - p[1]) /
                           p[1]) <= absorbing_surface_distance_tolerance:
                    absorbing_surf.append(k)
                    break
            except:
                if -1 <= center_point[0] <= 1 and -1 <= center_point[1] <= 1:
                    absorbing_surf.append(k)
                    break
    #
    four_side = True
    if four_side:
        xmintmp, ymintmp, xmaxtmp, ymaxtmp = define_4side_lateral_surfaces()
        xmin = list(Set(xmintmp) - Set(xmaxtmp))
        xmax = list(Set(xmaxtmp) - Set(xmintmp))
        ymin = list(Set(ymintmp) - Set(ymaxtmp))
        ymax = list(Set(ymaxtmp) - Set(ymintmp))
        abs_xmintmp, abs_xmaxtmp, abs_ymintmp, abs_ymaxtmp = lateral_boundary_are_absorbing(
            ip, cpuxmin, cpuxmax, cpuymin, cpuymax, cpux, cpuy)
        abs_xmin = list(Set(abs_xmintmp) - Set(abs_xmaxtmp))
        abs_xmax = list(Set(abs_xmaxtmp) - Set(abs_xmintmp))
        abs_ymin = list(Set(abs_ymintmp) - Set(abs_ymaxtmp))
        abs_ymax = list(Set(abs_ymaxtmp) - Set(abs_ymintmp))
    return absorbing_surf, abs_xmin, abs_xmax, abs_ymin, abs_ymax, top_surf, bottom_surf, xmin, ymin, xmax, ymax
Example #4
0
def mesh_layercake_regularmap(filename=None):
    import sys,os
    import start as start
    mpiflag,iproc,numproc,mpi   = start.start_mpi()
    from utilities import  importgeometry,savemesh,get_v_h_list,cubit_command_check
    #
    numpy                       = start.start_numpy()
    cfg                         = start.start_cfg(filename=filename)
    from math import sqrt
    from sets import Set

    #
    class cubitvolume:
          def __init__(self,ID,intervalv,centerpoint,dimension):
              self.ID=ID
              self.intervalv=intervalv
              self.centerpoint=centerpoint
              self.dim=dimension
          
          def __repr__(self):
              msg="(vol:%3i, vertical interval: %4i, centerpoint: %8.2f)" % (self.ID, self.intervalv,self.centerpoint)
              return msg       
    #
    def by_z(x,y):
        return cmp(x.centerpoint,y.centerpoint)
    #
    #
    #
    list_vol=cubit.parse_cubit_list("volume","all")
    if len(list_vol) != 0:
        pass
    else:
        geometryfile='geometry_vol_'+str(iproc)+'.cub'
        importgeometry(geometryfile,iproc=iproc)
    #
    command = 'composite create curve all'
    cubit.cmd(command)
    print '###"No valid composites can be created from the specified curves."  is NOT a critical ERROR.'
    #
    command = "compress all"
    cubit.cmd(command)
    list_vol=cubit.parse_cubit_list("volume","all")
    nvol=len(list_vol)                                 
    vol=[]
    for id_vol in list_vol:
        p=cubit.get_center_point("volume",id_vol)
        vol.append(cubitvolume(id_vol,1,p[2],0))
    vol.sort(by_z)
    #
    for id_vol in range(0,nvol):
        vol[id_vol].intervalv=cfg.iv_interval[id_vol]
    #
    #
    surf_vertical=[]
    surf_or=[]
    top_surface=0
    top_surface_add=''
    bottom_surface=0
    #
    zmin_box=cubit.get_total_bounding_box("volume",list_vol)[6]
    xmin_box=cubit.get_total_bounding_box("volume",list_vol)[0]
    xmax_box=cubit.get_total_bounding_box("volume",list_vol)[1]
    ymin_box=cubit.get_total_bounding_box("volume",list_vol)[3]
    ymax_box=cubit.get_total_bounding_box("volume",list_vol)[4]
    #
    #
    #interval assignement
    surf_or,surf_vertical,list_curve_or,list_curve_vertical,bottom,top = get_v_h_list(list_vol,chktop=cfg.chktop)
    print 'vertical surfaces: ',surf_vertical    
    
    for k in surf_vertical:
        command = "surface "+str(k)+" scheme submap"
        cubit.cmd(command)
    for k in surf_or:
        command = "surface "+str(k)+" scheme "+cfg.or_mesh_scheme
        cubit.cmd(command)
    #
    ucurve,vcurve=get_uv_curve(list_curve_or)
    schemepave=False
    #
    ucurve_interval={}
    for k in ucurve:
        length=cubit.get_curve_length(k)
        interval=int(2*round(.5*length/cfg.size,0))
        ucurve_interval[k]=interval
        command = "curve "+str(k)+" interval "+str(interval)
        cubit.cmd(command)
        #cubit_error_stop(iproc,command,ner)
        command = "curve "+str(k)+" scheme equal"
        cubit.cmd(command)
        #cubit_error_stop(iproc,command,ner)
    if max(ucurve_interval.values()) != min(ucurve_interval.values()):
        schemepave=True
        print 'mesh scheme is set to pave'
        for sk in surf_or:
            command = "surface "+str(sk)+" scheme pave"
            cubit.cmd(command)
    #
    vcurve_interval={}
    for k in vcurve:
        length=cubit.get_curve_length(k)
        interval=int(2*round(.5*length/cfg.size,0))
        vcurve_interval[k]=interval
        command = "curve "+str(k)+" interval "+str(interval)
        cubit.cmd(command)
        #cubit_error_stop(iproc,command,ner)
        command = "curve "+str(k)+" scheme equal"
        cubit.cmd(command)
        #cubit_error_stop(iproc,command,ner)

    if max(vcurve_interval.values()) != min(vcurve_interval.values()):
        print 'mesh scheme is set to pave'
        schemepave=True
        for sk in surf_or:
            command = "surface "+str(sk)+" scheme pave"
            cubit.cmd(command)
    #
    for s in surf_vertical:
        lcurve=cubit.get_relatives("surface",s,"curve")
        interval_store=[]
        for k in lcurve:
            interval_curve=cubit.get_mesh_intervals('curve',k)
            if k in list_curve_vertical:
                volume_id = cubit.get_owning_volume("curve", k)
                for idv in range(0,nvol):
                    if vol[idv].ID == volume_id:
                        int_v=vol[idv].intervalv
                command = "curve "+str(k)+" interval "+str(int_v)
                cubit.cmd(command)
                #cubit_error_stop(iproc,command,ner)
                command = "curve "+str(k)+" scheme equal"
                cubit.cmd(command)
                #cubit_error_stop(iproc,command,ner)
            else:
                interval_store.append((k,interval_curve))
            if len(interval_store) != 0:
                interval_min=min([iv[1] for iv in interval_store])
                command = "curve "+' '.join(str(iv[0]) for iv in interval_store)+" interval "+str(interval_min)
                cubit.cmd(command)
                #cubit_error_stop(iproc,command,ner)
                command = "curve "+' '.join(str(iv[0]) for iv in interval_store)+" scheme equal"
                cubit.cmd(command)
                #cubit_error_stop(iproc,command,ner)
        command = "surface "+str(s)+" scheme submap"
        cubit.cmd(command)
        
    #cubit_error_stop(iproc,command,ner)
    #
    #meshing
    if cfg.or_mesh_scheme == 'pave' or schemepave:
        command='mesh surf '+' '.join(str(t) for t in top)
        status=cubit_command_check(iproc,command,stop=True)
        #cubit.cmd(command)    
    elif cfg.or_mesh_scheme == 'map':
        command='mesh surf '+' '.join(str(t) for t in bottom)
        status=cubit_command_check(iproc,command,stop=True)
        #cubit.cmd(command)
    for id_volume in range(nvol-1,-1,-1):
        command = "mesh vol "+str(vol[id_volume].ID)
        status=cubit_command_check(iproc,command,stop=False)
        if not status:
            for s in surf_vertical:
                command_surf="mesh surf "+str(s)
                cubit.cmd(command_surf)
            command_set_meshvol='volume all redistribute nodes on\nvolume all autosmooth target off\nvolume all scheme Sweep Vector 0 0 -1\nvolume all sweep smooth Auto\n'
            status=cubit_command_check(iproc,command_set_meshvol,stop=False)
            status=cubit_command_check(iproc,command,stop=True)    
    
    #
    #smoothing
    print iproc, 'untangling...'
    cmd="volume all smooth scheme untangle beta 0.02 cpu 10"
    cubit.cmd(cmd)
    cmd="smooth volume all"
    cubit.cmd(cmd)
    
    
    
    if  cfg.smoothing:
        print 'smoothing .... '+str(cfg.smoothing)
        cubitcommand= 'surf all smooth scheme laplacian '
        cubit.cmd(cubitcommand)
        cubitcommand= 'smooth surf all'
        cubit.cmd(cubitcommand)
        #
        cubitcommand= 'vol all smooth scheme laplacian '
        cubit.cmd(cubitcommand)
        cubitcommand= 'smooth vol all'
        cubit.cmd(cubitcommand)
    #
    #
    ##vertical refinement
    ##for nvol = 3 
    ##
    ##___________________________ interface 4
    ##                 
    ##vol 2              
    ##___________________________ interface 3
    ##
    ##vol 1
    ##___________________________ interface 2
    ##
    ##vol 0
    ##___________________________ interface 1
    ##
    refinement(nvol,vol,filename=filename)
    #
    #top layer vertical coarsening
    print 'coarsening top layer... ',cfg.coarsening_top_layer
    if  cfg.coarsening_top_layer:
        from sets import Set
        cubitcommand= 'del mesh vol '+str(vol[-1].ID)+ ' propagate'
        cubit.cmd(cubitcommand)
        s1=Set(list_curve_vertical)
        command = "group 'list_curve_tmp' add curve "+"in vol "+str(vol[-1].ID)
        cubit.cmd(command)
        group=cubit.get_id_from_name("list_curve_tmp")
        list_curve_tmp=cubit.get_group_curves(group)
        command = "delete group "+ str(group)
        cubit.cmd(command)
        s2=Set(list_curve_tmp)
        lc=list(s1 & s2)
        #
        cubitcommand= 'curve '+' '.join(str(x) for x in lc)+' interval '+str(cfg.actual_vertical_interval_top_layer)
        cubit.cmd(cubitcommand)
        cubitcommand= 'mesh vol '+str(vol[-1].ID)
        cubit.cmd(cubitcommand)
    #
    n=cubit.get_sideset_id_list()
    if len(n) != 0:
        command = "del sideset all"
        cubit.cmd(command)
    n=cubit.get_block_id_list()
    if len(n) != 0:    
        command = "del block all"
        cubit.cmd(command)
    #
    import boundary_definition
    entities=['face']
    print iproc, 'hex block definition...'
    boundary_definition.define_bc(entities,parallel=True,cpux=cfg.cpux,cpuy=cfg.cpuy,cpuxmin=0,cpuymin=0,optionsea=False)
    #save mesh
    
    print iproc, 'untangling...'
    cmd="volume all smooth scheme untangle beta 0.02 cpu 10"
    cubit.cmd(cmd)
    cmd="smooth volume all"
    cubit.cmd(cmd)
    
    print iproc, 'saving...'
    savemesh(mpiflag,iproc=iproc,filename=filename)
Example #5
0
def refinement(nvol,vol,filename=None):
    import start as start
    cfg                         = start.start_cfg(filename=filename)
    from utilities import get_v_h_list
    #
    #vertical refinement
    #for nvol = 3 
    #
    #___________________________ interface 4
    #                 
    #vol 2              
    #___________________________ interface 3
    #
    #vol 1
    #___________________________ interface 2
    #
    #vol 0
    #___________________________ interface 1
    #
    #
    if cfg.ntripl != 0:
        if len(cfg.refinement_depth) != 0:
            #get the topo surface....
            #surf=cubit.get_relatives('volume',vol[nvol-1].ID,'surface')
            #zstore=[-1,-999999999]
            #for s in surf:
            #     c=cubit.get_center_point('surface',s)
            #     z=c[2]
            #     print s,z
            #     if z > zstore[1]:
            #         zstore=[s,z]
            #tsurf=zstore[0]
            _,_,_,_,_,tsurf = get_v_h_list([vol[nvol-1].ID])
            tsurf=' '.join(str(x) for x in tsurf)
            for idepth in cfg.refinement_depth:
                 cubitcommand= 'refine node in surf  '+str(tsurf)+' numsplit 1 bias 1.0 depth '+str(idepth)
                 cubit.cmd(cubitcommand)
        else:
            for ir in cfg.tripl:
                if ir == 1:
                   command = "comment '"+"interface = 1 means that the refinement interface is at the bottom of the volume"+"'"
                   cubit.cmd(command)
                   txt=' all '
                   idepth = 1
                   cubitcommand= 'refine hex in vol  '+txt
                elif ir != nvol+1:
                   txt=''
                   for id_vol_ref in range(ir-1,nvol):
                       txt=txt+str(vol[id_vol_ref].ID)+' '
                   #txt=txt+'except hex in vol '+str(vol[ir-2].ID)
                   #idepth = 1
                   #try:
                   #     if  cfg.refine_basin:
                   #         idepth=2
                   #except:
                   #     pass
                   cubitcommand= 'refine hex in vol  '+txt
                else:
                   #refinement on the top surface
                   _,_,_,_,_,tsurf = get_v_h_list([vol[ir-2].ID])
                   tsurf=' '.join(str(x) for x in tsurf)
                   idepth=1
                   cubitcommand= 'refine node in surf '+str(tsurf)+' numsplit 1 bias 1.0 depth '+str(idepth)
                cubit.cmd(cubitcommand)

        if not nvol and cfg.volume_type == 'verticalsandwich_volume_ascii_regulargrid_mpiregularmap':
            # AAA
            # Volume 2 is always in between the 2nd and 3rd vertical surfaces from the left
            cubitcommand = "refine node in volume 2 numsplit 1 depth 0"
            cubit.cmd(cubitcommand)
def define_surf(ip=0,cpuxmin=0,cpuxmax=1,cpuymin=0,cpuymax=1,cpux=1,cpuy=1):
    """
    define the absorbing surfaces for a layered topological box where boundary are surfaces parallel to the axis.
    it returns absorbing_surf,absorbing_surf_xmin,absorbing_surf_xmax,absorbing_surf_ymin,absorbing_surf_ymax,absorbing_surf_bottom,topo_surf
    where
    absorbing_surf is the list of all the absorbing boundary surf
    absorbing_surf_xmin is the list of the absorbing boundary surfaces that correnspond to x=xmin
    ...
    absorbing_surf_bottom is the list of the absorbing boundary surfaces that correspond to z=zmin
    """
    from utilities import get_v_h_list
    #
    from sets import Set
    def product(*args, **kwds):
        # product('ABCD', 'xy') --> Ax Ay Bx By Cx Cy Dx Dy
        # product(range(2), repeat=3) --> 000 001 010 011 100 101 110 111
        # for compatibility with python2.5
        pools = map(tuple, args) * kwds.get('repeat', 1)
        result = [[]]
        for pool in pools:
            result = [x+[y] for x in result for y in pool]
        return result
    absorbing_surf=[]
    xmin=[]
    xmax=[]
    ymin=[]
    ymax=[]
    #
    top_surf=[]
    bottom_surf=[]
    list_vol=cubit.parse_cubit_list("volume","all")
    zmax_box=cubit.get_total_bounding_box("volume",list_vol)[7]
    zmin_box=cubit.get_total_bounding_box("volume",list_vol)[6] #it is the z_min of the box ... box= xmin,xmax,d,ymin,ymax,d,zmin...
    xmin_box=cubit.get_total_bounding_box("volume",list_vol)[0]
    xmax_box=cubit.get_total_bounding_box("volume",list_vol)[1]
    ymin_box=cubit.get_total_bounding_box("volume",list_vol)[3]
    ymax_box=cubit.get_total_bounding_box("volume",list_vol)[4]
    list_surf=cubit.parse_cubit_list("surface","all")

    absorbing_surface_distance_tolerance=0.001
    topographic_surface_distance_tolerance=0.1
    topographic_surface_normal_tolerance=0.4

    lv=[]
    for k in list_surf:
        sbox=cubit.get_bounding_box('surface',k)
        if zmax_box == 0 and sbox[7] == 0:
             dzmax=0
        elif zmax_box == 0 or sbox[7] == 0:
            dzmax=abs(sbox[7] - zmax_box)
        else:
            dzmax=abs(sbox[7] - zmax_box)/max(abs(sbox[7]),abs(zmax_box))
        if zmin_box == 0 and sbox[6] == 0:
             dzmin=0
        elif zmin_box == 0 or sbox[6] == 0:
            dzmin=abs(sbox[6] - zmin_box)
        else:
            dzmin=abs(sbox[6] - zmin_box)/max(abs(sbox[6]),abs(zmin_box))
        normal=cubit.get_surface_normal(k)
        zn=normal[2]
        if dzmax <= topographic_surface_distance_tolerance and zn > topographic_surface_normal_tolerance:
            top_surf.append(k)
            list_vertex=cubit.get_relatives('surface',k,'vertex')
            for v in list_vertex:
                valence=cubit.get_valence(v)
                if valence <= 4: #valence 3 is a corner, 4 is a vertex between 2 volumes, > 4 is a vertex not in the boundaries
                    lv.append(v)
        elif dzmin <= 0.001 and zn < -1+topographic_surface_normal_tolerance:
            bottom_surf.append(k)
    if len(top_surf) ==0: #assuming that one topo surface need to be selected
            _,_,_,_,_,top_surf=get_v_h_list(list_vol,chktop=False)
    lp=[]
    labelp=[]
    combs=product(lv,lv)
    for comb in combs:
        v1=comb[0]
        v2=comb[1]
        c=Set(cubit.get_relatives("vertex",v1,"curve")) & Set(cubit.get_relatives("vertex",v2,"curve"))
        if len(c) == 1:
            p=cubit.get_center_point("curve",list(c)[0])
            labelp.append(list(c)[0])
    labelps=Set(labelp)
    for c in labelps:
        p=cubit.get_center_point("curve",c)
        lp.append(p)

    for k in list_surf:
        center_point = cubit.get_center_point("surface", k)
        for p in lp:
            try:
                if abs((center_point[0] - p[0])/p[0]) <= absorbing_surface_distance_tolerance and abs((center_point[1] - p[1])/p[1]) <= absorbing_surface_distance_tolerance:
                    absorbing_surf.append(k)
                    break
            except:
                if -1 <= center_point[0] <= 1 and -1 <= center_point[1] <= 1:
                    absorbing_surf.append(k)
                    break
    #
    four_side=True
    if four_side:
        xmintmp,ymintmp,xmaxtmp,ymaxtmp=define_4side_lateral_surfaces()
        xmin=list(Set(xmintmp)-Set(xmaxtmp))
        xmax=list(Set(xmaxtmp)-Set(xmintmp))
        ymin=list(Set(ymintmp)-Set(ymaxtmp))
        ymax=list(Set(ymaxtmp)-Set(ymintmp))
        abs_xmintmp,abs_xmaxtmp,abs_ymintmp,abs_ymaxtmp=lateral_boundary_are_absorbing(ip,cpuxmin,cpuxmax,cpuymin,cpuymax,cpux,cpuy)
        abs_xmin=list(Set(abs_xmintmp)-Set(abs_xmaxtmp))
        abs_xmax=list(Set(abs_xmaxtmp)-Set(abs_xmintmp))
        abs_ymin=list(Set(abs_ymintmp)-Set(abs_ymaxtmp))
        abs_ymax=list(Set(abs_ymaxtmp)-Set(abs_ymintmp))
    return absorbing_surf,abs_xmin,abs_xmax,abs_ymin,abs_ymax,top_surf,bottom_surf,xmin,ymin,xmax,ymax
Example #7
0
def mesh_layercake_regularmap(filename=None):

    import start as start
    mpiflag, iproc, numproc, mpi = start.start_mpi()
    from utilities import importgeometry, savemesh, get_v_h_list
    from utilities import cubit_command_check, get_cubit_version
    #
    # numpy = start.start_numpy()
    cfg = start.start_cfg(filename=filename)
    # from math import sqrt

    version_cubit = get_cubit_version()

    list_vol = cubit.parse_cubit_list("volume", "all")
    if len(list_vol) != 0:
        pass
    else:
        geometryfile = 'geometry_vol_' + str(iproc) + '.cub'
        importgeometry(geometryfile, iproc=iproc)

    command = 'composite create curve all'
    cubit.cmd(command)
    print('###"No valid composites can be created from the specified curves." \
          is NOT a critical ERROR.')
    #
    command = "compress all"
    cubit.cmd(command)
    list_vol = cubit.parse_cubit_list("volume", "all")
    nvol = len(list_vol)
    vol = []
    for id_vol in list_vol:
        p = cubit.get_center_point("volume", id_vol)
        vol.append(cubitvolume(id_vol, 1, p[2], 0))
    vol.sort(by_z)
    #
    for id_vol in range(0, nvol):
        vol[id_vol].intervalv = cfg.iv_interval[id_vol]
    #
    #
    surf_vertical = []
    surf_or = []
    # top_surface = 0
    # top_surface_add = ''
    # bottom_surface = 0
    # #
    # zmin_box = cubit.get_total_bounding_box("volume", list_vol)[6]
    # xmin_box = cubit.get_total_bounding_box("volume", list_vol)[0]
    # xmax_box = cubit.get_total_bounding_box("volume", list_vol)[1]
    # ymin_box = cubit.get_total_bounding_box("volume", list_vol)[3]
    # ymax_box = cubit.get_total_bounding_box("volume", list_vol)[4]
    #
    #
    # interval assignement
    surf_or, surf_vertical, list_curve_or, list_curve_vertical, \
        bottom, top = get_v_h_list(list_vol, chktop=cfg.chktop)
    print('vertical surfaces: ', surf_vertical)

    for k in surf_vertical:
        command = "surface " + str(k) + " scheme submap"
        cubit.cmd(command)
    for k in surf_or:
        command = "surface " + str(k) + " scheme " + cfg.or_mesh_scheme
        cubit.cmd(command)
    #
    ucurve, vcurve = get_uv_curve(list_curve_or)
    schemepave = False
    #
    ucurve_interval = {}
    for k in ucurve:
        length = cubit.get_curve_length(k)
        interval = int(2 * round(.5 * length / cfg.size, 0))
        ucurve_interval[k] = interval
        command = "curve " + str(k) + " interval " + str(interval)
        cubit.cmd(command)
        # cubit_error_stop(iproc,command,ner)
        command = "curve " + str(k) + " scheme equal"
        cubit.cmd(command)
        # cubit_error_stop(iproc,command,ner)
    if max(ucurve_interval.values()) != min(ucurve_interval.values()):
        schemepave = True
        print('mesh scheme is set to pave')
        for sk in surf_or:
            command = "surface " + str(sk) + " scheme pave"
            cubit.cmd(command)
    #
    vcurve_interval = {}
    for k in vcurve:
        length = cubit.get_curve_length(k)
        interval = int(2 * round(.5 * length / cfg.size, 0))
        vcurve_interval[k] = interval
        command = "curve " + str(k) + " interval " + str(interval)
        cubit.cmd(command)
        # cubit_error_stop(iproc,command,ner)
        command = "curve " + str(k) + " scheme equal"
        cubit.cmd(command)
        # cubit_error_stop(iproc,command,ner)

    if max(vcurve_interval.values()) != min(vcurve_interval.values()):
        print('mesh scheme is set to pave')
        schemepave = True
        for sk in surf_or:
            command = "surface " + str(sk) + " scheme pave"
            cubit.cmd(command)
    #
    for s in surf_vertical:
        lcurve = cubit.get_relatives("surface", s, "curve")
        interval_store = []
        for k in lcurve:
            interval_curve = cubit.get_mesh_intervals('curve', k)
            if k in list_curve_vertical:
                volume_id = cubit.get_owning_volume("curve", k)
                for idv in range(0, nvol):
                    if vol[idv].ID == volume_id:
                        int_v = vol[idv].intervalv
                command = "curve " + str(k) + " interval " + str(int_v)
                cubit.cmd(command)
                # cubit_error_stop(iproc,command,ner)
                command = "curve " + str(k) + " scheme equal"
                cubit.cmd(command)
                # cubit_error_stop(iproc,command,ner)
            else:
                interval_store.append((k, interval_curve))
            if len(interval_store) != 0:
                interval_min = min([iv[1] for iv in interval_store])
                str_interval = [str(iv[0]) for iv in interval_store]
                cmd = "curve " + ' '.join(str_interval) + \
                      " interval " + str(interval_min)
                cubit.cmd(cmd)
                command = "curve " + \
                    ' '.join(str(iv[0])
                             for iv in interval_store) + " scheme equal"
                cubit.cmd(command)
        command = "surface " + str(s) + " scheme submap"
        cubit.cmd(command)

    # meshing
    if cfg.or_mesh_scheme == 'pave' or schemepave:
        command = 'mesh surf ' + ' '.join(str(t) for t in top)
        status = cubit_command_check(iproc, command, stop=True)
        # cubit.cmd(command)
    elif cfg.or_mesh_scheme == 'map':
        command = 'mesh surf ' + ' '.join(str(t) for t in bottom)
        status = cubit_command_check(iproc, command, stop=True)
        # cubit.cmd(command)
    for id_volume in range(nvol - 1, -1, -1):
        command = "mesh vol " + str(vol[id_volume].ID)
        status = cubit_command_check(iproc, command, stop=False)
        if not status:
            for s in surf_vertical:
                command_surf = "mesh surf " + str(s)
                cubit.cmd(command_surf)
            if version_cubit < 16:
                command_set_meshvol = '''volume all redistribute nodes on
                volume all autosmooth target off
                volume all scheme Sweep Vector 0 0 -1
                volume all sweep smooth Auto
                '''
            else:
                command_set_meshvol = '''volume all redistribute nodes on
                volume all autosmooth target off
                volume all scheme Sweep Vector 0 0 -1
                '''
            status2 = cubit_command_check(
                iproc, command_set_meshvol, stop=False)
            status2 = cubit_command_check(iproc, command, stop=False)
            if not status2:
                _surf = cubit.get_relatives(
                    'volume', vol[id_volume].ID, 'surface')
                local_o_surf = [x for x in _surf if x in surf_or]
                cubit.cmd('volume ' + str(vol[id_volume].ID) +
                          ' redistribute nodes off')
                cubit.cmd('volume ' + str(vol[id_volume].ID) +
                          ' scheme Sweep  source surface ' +
                          ' '.join(str(x) for x in local_o_surf[0:-1]) +
                          ' target surface ' + str(local_o_surf[-1]))
                cubit.cmd('volume ' + str(vol[id_volume].ID) +
                          ' autosmooth_target off')
                status = cubit_command_check(iproc, command, stop=True)

    #
    # smoothing
    print(iproc, 'untangling...')
    cmd = "volume all smooth scheme untangle beta 0.02 cpu 10"
    cubit.cmd(cmd)
    cmd = "smooth volume all"
    cubit.cmd(cmd)

    if cfg.smoothing:
        print('smoothing .... ' + str(cfg.smoothing))
        cubitcommand = 'surf all smooth scheme laplacian '
        cubit.cmd(cubitcommand)
        cubitcommand = 'smooth surf all'
        cubit.cmd(cubitcommand)
        #
        cubitcommand = 'vol all smooth scheme laplacian '
        cubit.cmd(cubitcommand)
        cubitcommand = 'smooth vol all'
        cubit.cmd(cubitcommand)
    #
    #
    # vertical refinement
    # for nvol = 3
    ##
    # ___________________________ interface 4
    ##
    # vol 2
    # ___________________________ interface 3
    ##
    # vol 1
    # ___________________________ interface 2
    ##
    # vol 0
    # ___________________________ interface 1
    ##
    refinement(nvol, vol, filename=filename)
    #
    # top layer vertical coarsening
    print('coarsening top layer... ', cfg.coarsening_top_layer)
    if cfg.coarsening_top_layer:
        cubitcommand = 'del mesh vol ' + str(vol[-1].ID) + ' propagate'
        cubit.cmd(cubitcommand)
        s1 = set(list_curve_vertical)
        command = "group 'list_curve_tmp' add curve " + \
            "in vol " + str(vol[-1].ID)
        cubit.cmd(command)
        group = cubit.get_id_from_name("list_curve_tmp")
        list_curve_tmp = cubit.get_group_curves(group)
        command = "delete group " + str(group)
        cubit.cmd(command)
        s2 = set(list_curve_tmp)
        lc = list(s1 & s2)
        #
        cubitcommand = 'curve ' + \
            ' '.join(str(x) for x in lc) + ' interval ' + \
            str(cfg.actual_vertical_interval_top_layer)
        cubit.cmd(cubitcommand)
        cubitcommand = 'mesh vol ' + str(vol[-1].ID)
        cubit.cmd(cubitcommand)
    #
    n = cubit.get_sideset_id_list()
    if len(n) != 0:
        command = "del sideset all"
        cubit.cmd(command)
    n = cubit.get_block_id_list()
    if len(n) != 0:
        command = "del block all"
        cubit.cmd(command)
    #
    import boundary_definition
    entities = ['face']
    print(iproc, 'hex block definition...')
    boundary_definition.define_bc(entities, parallel=True,
                                  cpux=cfg.cpux, cpuy=cfg.cpuy,
                                  cpuxmin=0, cpuymin=0, optionsea=False)
    # save mesh

    print(iproc, 'untangling...')
    cmd = "volume all smooth scheme untangle beta 0.02 cpu 10"
    cubit.cmd(cmd)
    cmd = "smooth volume all"
    cubit.cmd(cmd)

    print(iproc, 'saving...')
    savemesh(mpiflag, iproc=iproc, filename=filename)