Esempio n. 1
0
        timer.stop_comp(t1)

        # --------------------------------------------------
        # update boundaries
        t1 = timer.start_comp("upd_bc1")
        for tile in pytools.tiles_all(grid):
            tile.update_boundaries(grid)
        timer.stop_comp(t1)

        ##################################################
        # move particles (only locals tiles)

        # --------------------------------------------------
        # interpolate fields
        t1 = timer.start_comp("interp_em")
        for tile in pytools.tiles_local(grid):
            fintp.solve(tile)
        timer.stop_comp(t1)

        # --------------------------------------------------
        # push particles in x and u
        t1 = timer.start_comp("push")
        for tile in pytools.tiles_local(grid):
            pusher.solve(tile)
        timer.stop_comp(t1)

        # --------------------------------------------------
        # apply moving/reflecting walls
        t1 = timer.start_comp("walls")
        for tile in pytools.tiles_local(grid):
            piston.solve(tile)
Esempio n. 2
0
    def test_problematic_prtcls(self):

        # test pic loop behavior when particle is located in wrong container

        conf = Conf()
        conf.twoD = False
        conf.threeD = True
        conf.Nx = 2
        conf.Ny = 2
        conf.Nz = 2

        conf.NxMesh = 3
        conf.NyMesh = 3
        conf.NzMesh = 3

        conf.Nt = 3
        conf.update_bbox()

        grid = pycorgi.threeD.Grid(conf.Nx, conf.Ny, conf.Nz)
        grid.set_grid_lims(conf.xmin, conf.xmax, conf.ymin, conf.ymax,
                           conf.zmin, conf.zmax)

        pytools.pic.load_tiles(grid, conf)
        insert_em(grid, conf, zero_field)

        print("============================================================")

        #--------------------------------------------------
        cid = grid.id(0, 0, 0)
        c = grid.get_tile(cid)  #get cell ptr

        container = c.get_container(0)  #ispcs
        container.set_keygen_state(0, 0)  #number, rank

        u0 = [0.0, 0.0, 0.0]

        # problematic prtcl set 1 (at minimum boundary)
        #x0 = [0.0, 1.0, 1.0]
        #container.add_particle(x0, u0, 1.0)

        #x0 = [1.0, 0.0, 1.0]
        #container.add_particle(x0, u0, 1.0)

        #x0 = [1.0, 1.0, 0.0]
        #container.add_particle(x0, u0, 1.0)

        # problematic prtcl set 2 (at maximum boundary)
        #x0 = [3.0, 1.0, 1.0]
        #container.add_particle(x0, u0, 1.0)

        #x0 = [1.0, 3.0, 1.0]
        #container.add_particle(x0, u0, 1.0)

        #x0 = [1.0, 1.0, 3.0]
        #container.add_particle(x0, u0, 1.0)

        # problematic prtcl set 3 (completely outside)
        #x0 = [3.1, 1.0, 1.0]
        #container.add_particle(x0, u0, 1.0)

        #x0 = [1.0, 3.1, 1.0]
        #container.add_particle(x0, u0, 1.0)

        #x0 = [1.0, 1.0, 3.1]
        #container.add_particle(x0, u0, 1.0)

        #x0 = [-0.1, 1.0, 1.0]
        #container.add_particle(x0, u0, 1.0)

        #x0 = [1.0, -0.1, 1.0]
        #container.add_particle(x0, u0, 1.0)

        #x0 = [1.0, 1.0, -0.1]
        #container.add_particle(x0, u0, 1.0)

        # last tile
        cid = grid.id(1, 1, 1)
        c = grid.get_tile(cid)  #get cell ptr
        container = c.get_container(0)  #ispcs
        container.set_keygen_state(0, 0)  #number, rank

        x0 = [6.0, 5.0, 5.0]
        container.add_particle(x0, u0, 1.0)

        x0 = [0.0, 5.0, 5.0]
        container.add_particle(x0, u0, 1.0)

        #--------------------------------------------------
        pusher = pyrunko.pic.threeD.BorisPusher()
        fldprop = pyrunko.fields.threeD.FDTD2()
        fintp = pyrunko.pic.threeD.LinearInterpolator()
        currint = pyrunko.pic.threeD.ZigZag()
        flt = pyrunko.fields.threeD.Binomial2(conf.NxMesh, conf.NyMesh,
                                              conf.NzMesh)

        lap = 0
        for lap in range(lap, conf.Nt):

            # --------------------------------------------------
            # push B half
            for tile in pytools.tiles_all(grid):
                fldprop.push_half_b(tile)

            # --------------------------------------------------
            # comm B
            grid.send_data(2)
            grid.recv_data(2)
            grid.wait_data(2)

            # --------------------------------------------------
            # update boundaries
            for tile in pytools.tiles_all(grid):
                tile.update_boundaries(grid)

            ##################################################
            # move particles (only locals tiles)

            # --------------------------------------------------
            # interpolate fields
            for tile in pytools.tiles_local(grid):
                fintp.solve(tile)
            #print('successful interp')

            # --------------------------------------------------
            # push particles in x and u
            #for tile in pytools.tiles_local(grid):
            #    pusher.solve(tile)

            ##################################################
            # advance B half

            # --------------------------------------------------
            # push B half
            for tile in pytools.tiles_all(grid):
                fldprop.push_half_b(tile)

            # --------------------------------------------------
            # comm B
            grid.send_data(1)
            grid.recv_data(1)
            grid.wait_data(1)

            # --------------------------------------------------
            # update boundaries
            for tile in pytools.tiles_all(grid):
                tile.update_boundaries(grid)

            ##################################################
            # advance E

            # --------------------------------------------------
            # push E
            for tile in pytools.tiles_all(grid):
                fldprop.push_e(tile)

            # --------------------------------------------------
            # current calculation; charge conserving current deposition
            for tile in pytools.tiles_local(grid):
                currint.solve(tile)
            #print('successful currint')

            # --------------------------------------------------
            # clear virtual current arrays for boundary addition after mpi
            for tile in pytools.tiles_virtual(grid):
                tile.clear_current()

            # --------------------------------------------------
            # mpi send currents
            grid.send_data(0)
            grid.recv_data(0)
            grid.wait_data(0)

            # --------------------------------------------------
            # exchange currents
            for tile in pytools.tiles_all(grid):
                tile.exchange_currents(grid)

            ##################################################
            # particle communication (only local/boundary tiles)

            # --------------------------------------------------
            # local particle exchange (independent)
            for tile in pytools.tiles_local(grid):
                tile.check_outgoing_particles()

            # --------------------------------------------------
            # global mpi exchange (independent)
            for tile in pytools.tiles_boundary(grid):
                tile.pack_outgoing_particles()

            # --------------------------------------------------
            # MPI global particle exchange
            # transfer primary and extra data
            grid.send_data(3)
            grid.recv_data(3)
            grid.wait_data(3)

            # orig just after send3
            grid.send_data(4)
            grid.recv_data(4)
            grid.wait_data(4)

            # --------------------------------------------------
            # global unpacking (independent)
            for tile in pytools.tiles_virtual(grid):
                tile.unpack_incoming_particles()
                tile.check_outgoing_particles()

            # --------------------------------------------------
            # transfer local + global
            for tile in pytools.tiles_local(grid):
                tile.get_incoming_particles(grid)

            # --------------------------------------------------
            # delete local transferred particles
            for tile in pytools.tiles_local(grid):
                tile.delete_transferred_particles()

            # --------------------------------------------------
            # delete all virtual particles (because new prtcls will come)
            for tile in pytools.tiles_virtual(grid):
                tile.delete_all_particles()

            # --------------------------------------------------
            # add current to E
            for tile in pytools.tiles_all(grid):
                tile.deposit_current()

            # comm E
            grid.send_data(1)
            grid.recv_data(1)
            grid.wait_data(1)

            # --------------------------------------------------
            # comm B
            grid.send_data(2)
            grid.recv_data(2)
            grid.wait_data(2)

            # --------------------------------------------------
            # update boundaries
            for tile in pytools.tiles_all(grid):
                tile.update_boundaries(grid)

        # --------------------------------------------------
        ip = 0
        prtcls = {}
        for tile in pytools.tiles_all(grid):
            container = tile.get_container(0)  #ispcs

            xp = container.loc(0)
            yp = container.loc(1)
            zp = container.loc(2)

            for i in range(len(xp)):
                prtcls[ip] = (xp[i], yp[i], zp[i], tile.cid)
                ip += 1