Python YoshimuraCreasePattern.cf_lst方法代码示例

# 需要导入模块: from oricrete.folding import YoshimuraCreasePattern [as 别名]
# 或者: from oricrete.folding.YoshimuraCreasePattern import cf_lst [as 别名]
def create_cp_fc_03(L_x = 4, L_y = 4, n_x = 2, n_y = 2, z0_ratio = 0.1,
                     n_steps = 100):
    '''Create scalable rhombus crease pattern with face constraints
       other constraints chosen (more in field in z-direction)
    '''
    cp = YoshimuraCreasePattern(n_steps = n_steps,
                              L_x = L_x,
                              L_y = L_y,
                              n_x = n_x,
                              n_y = n_y,
                              show_iter = False,
                              z0_ratio = z0_ratio,
                              MAX_ITER = 50)

    n_h = cp.N_h
    n_v = cp.N_v
    n_i = cp.N_i

    y_links = []

    n_h_idx = (n_x + 1) / 2
    print "n_h_idx", n_h_idx

    for idx, n in enumerate(n_h[1:, 0]):
        y_links.append([(n_h[0, 0], 1, 1.0), (n, 1, -1.0)])

    for idx, n in enumerate(n_h[1:-1, -1]):
        y_links.append([(n_h[0, -1], 1, 1.0), (n, 1, -1.0)])

    for idx, n in enumerate(n_h[n_h_idx, 1:]):
        y_links.append([(n, 0, 1.0)])


    y_links.append([(n_h[0, -1], 1, 1.0)])

    cp.cnstr_lhs = y_links

    print "n_h[1, 0]", n_h[1, 0]
    print "n_h[-1,-1]", n_h[-1, 0]
    print "n_h[1, -1]", n_h[1, -1]
    print "n_h[-1,-1]", n_h[-1, -1]

    cp.cnstr_rhs = np.zeros((len(cp.cnstr_lhs),), dtype = float)

    print "cnstr_lhs", cp.cnstr_lhs
    print "cnstr_rhs", cp.cnstr_rhs

    A = 0.784
    
    face_z_t = CF(Rf = z_ - 4 * A * t_ * x_ * (1 - x_ / L_x))
#    face_x_L2 = CF(Rf = x_ - L_x / 2)
    n_arr = np.hstack([n_h[n_h_idx, :].flatten(),
                    n_h[0, :].flatten(),
                    n_h[-1, :].flatten()])
    cp.cf_lst = [(face_z_t, n_arr)]

    print "edge1", n_h[0, :]
    print "edge2", n_h[-1, :]
    print "center", n_h[1:-1, :]
    return cp

# 需要导入模块: from oricrete.folding import YoshimuraCreasePattern [as 别名]
# 或者: from oricrete.folding.YoshimuraCreasePattern import cf_lst [as 别名]
def create_cp_fc(L_x = 4, L_y = 4, n_x = 1, n_y = 2,
         n_steps = 100):
    '''Create scalable rhombus crease pattern with face constraints
    '''
    cp = YoshimuraCreasePattern(n_steps = n_steps,
                              L_x = L_x,
                              L_y = L_y,
                              n_x = n_x,
                              n_y = n_y,
                              show_iter = False,
                              MAX_ITER = 500)

    n_h = cp.N_h
    n_i = cp.N_i
    n_v = cp.N_v
    n_h_idx = n_y / 4

    x_links = []
    y_links = []
    z_links = []

#    for n_arr in n_h[:, (-1,)].T:
#        for idx, n in enumerate(n_arr[1:]):
#            y_links.append([(n_arr[0], 1, 1.0), (n, 1, -1.0)])

    for n in n_v[-1, 1:]:
        x_links.append([(n_v[-1, 0], 0, 1.0), (n, 0, -1.0)])

    for n0, n1 in zip(n_v[0, :], n_v[-1, :]):
        z_links.append([(n0, 2, 1.0), (n1, 2, -1.0)])

    #cntrl = [[(n_h[-1, -1], 1, 1.0)]]
    #cntrl = [[(n_h[-1, 1], 0, 1.0)]]

    cp.cnstr_lhs = x_links + y_links + z_links # + cntrl
    #cp.cnstr_lhs = z_cnstr

    # lift node 0 in z-axes
    cp.cnstr_rhs = np.zeros((len(cp.cnstr_lhs),), dtype = float)
    #cp.cnstr_rhs[-1] = -L_x * 0.34

    face_z_0 = CF(Rf = z_ - 0)
    face_x_0 = CF(Rf = x_ - 0)
    face_x_L = CF(Rf = x_ - L_x * (1 - 0.2 * t_))
    face_y_0 = CF(Rf = y_ - 0)
    face_y_L = CF(Rf = y_ - L_y * (1 - 0.1 * t_))#* x_ / L_x))

    cp.cf_lst = [(face_x_0, n_h[0, :]), # [n_h[0, 0], n_h[0, -1]]),
                    (face_z_0, n_h[0, :]), # [n_h[0, 0], n_h[0, -1]]),
                    (face_y_0, n_h[:, 0]),
#                    (face_x_L, []),
                    (face_y_L, n_h[:, -1])]
#    cp.cnstr_rhs[-1] = -L_y * 0.9999

    return cp

# 需要导入模块: from oricrete.folding import YoshimuraCreasePattern [as 别名]
# 或者: from oricrete.folding.YoshimuraCreasePattern import cf_lst [as 别名]
def create_cp_fc_01(L_x = 4, L_y = 4, n_x = 2, n_y = 2, z0_ratio = 0.1,
                     n_steps = 100):
    '''Create scalable rhombus crease pattern with face constraints
       One basic element with no general formulation
    '''
    cp = YoshimuraCreasePattern(n_steps = n_steps,
                              L_x = L_x,
                              L_y = L_y,
                              n_x = n_x,
                              n_y = n_y,
                              show_iter = False,
                              z0_ratio = z0_ratio,
                              MAX_ITER = 50)

    n_h = cp.N_h
    n_v = cp.N_v
    n_i = cp.N_i


    cp.cnstr_lhs = [[(n_h[0, 0], 1, 1.0), (n_h[1, 0], 1, -1.0)], # 1
                    [(n_h[0, 0], 1, 1.0), (n_h[-1, 0], 1, -1.0)], # 2
                    [(n_h[0, -1], 1, 1.0), (n_h[1, -1], 1, -1.0)], # 3
                    [(n_h[0, -1], 1, 1.0), (n_h[-1, -1], 1, -1.0)], # 4
                    [(n_h[0, -1], 1, 1.0)],
                    [(n_h[1, 0], 0, 1.0)]
                    ]

    print "n_h[1, 0]", n_h[1, 0]
    print "n_h[-1,-1]", n_h[-1, 0]
    print "n_h[1, -1]", n_h[1, -1]
    print "n_h[-1,-1]", n_h[-1, -1]


    cp.cnstr_rhs = np.zeros((len(cp.cnstr_lhs),), dtype = float)

    print "cnstr_lhs", cp.cnstr_lhs
    print "cnstr_rhs", cp.cnstr_rhs

    A = 0.2

    face_z_t = CF(Rf = z_ - 4 * A * t_ * x_ * (1 - x_ / L_x))
    face_x_L2 = CF(Rf = x_ - L_x / 2)

    cp.cf_lst = [(face_z_t, n_h[0, :]),
                    (face_z_t, n_h[-1, :]),
                    (face_z_t, [n_h[1, 0]]),
                    ]


    print "edge1", n_h[0, :]
    print "edge2", n_h[-1, :]
    return cp

# 需要导入模块: from oricrete.folding import YoshimuraCreasePattern [as 别名]
# 或者: from oricrete.folding.YoshimuraCreasePattern import cf_lst [as 别名]
def create_cp_fc_bow(L_x = 4, L_y = 4, n_x = 4, n_y = 2, z0_ratio = 0.1,
                     n_steps = 100):
    '''Create scalable rhombus crease pattern with face constraints
       bad working
    '''
    cp = YoshimuraCreasePattern(n_steps = n_steps,
                              L_x = L_x,
                              L_y = L_y,
                              n_x = n_x,
                              n_y = n_y,
                              show_iter = False,
                              z0_ratio = z0_ratio,
                              MAX_ITER = 50)

    n_h = cp.N_h
    n_v = cp.N_v
    n_i = cp.N_i

#    y_links = []

#    n_h0 = n_h[(0, -1), :-1]
#    n_h1 = n_h[(0, -1), 1:]
#    for nv, nh0, nh1 in zip(n_v.T, n_h0.T, n_h1.T):
#        for v, h0, h1 in zip(nv, nh0, nh1):
#            y_links.append([(v, 1, 1.0), (h1, 1, -0.5)])


#    cp.cnstr_lhs = y_links
#    cp.cnstr_rhs = np.zeros((len(cp.cnstr_lhs),), dtype = float)

#    print "cnstr_lhs", cp.cnstr_lhs
#    print "cnstr_rhs", cp.cnstr_rhs

#    A = L_x * 0.2
    A = 0.2
#    face_z_t = CF(Rf = z_ - 4 * A * t_ / L_x * x_ * (1 - x_ / L_x))
    face_z_t = CF(Rf = z_ - 4 * A * t_ * x_ * (1 - x_ / L_x))
    face_x_L2 = CF(Rf = x_ - L_x / 2)
#old
#    face_y_L2 = CF(Rf = y_ - L_y / 2)
#new
    face_y_L0 = CF(Rf = y_)
#    face_y_Ly = CF(Rf = y_ - L_y)


#    n_h_idx = n_x / 2

#    z_nodes = n_h[:, :].flatten()

#    cp.cf_lst = [(face_y_L2, [n_i[0, 0]]),
#                    (face_z_t, z_nodes),
###                    (face_x_L2, n_h[2, (0, -1)].flatten()),
##                    (face_x_L2, n_h[n_h_idx, (0, -1)].flatten()),
#                    (face_x_L2, n_h[n_h_idx, :].flatten()),
#                    ]

#new
    n_h_idx = n_x / 2

    z_nodes_field1 = n_h[1:n_h_idx, 0].flatten()
    z_nodes_field2 = n_h[(n_h_idx + 1):-1, 0].flatten()
    z_nodes_field3 = n_h[1:n_h_idx, 1].flatten()
    z_nodes_field4 = n_h[(n_h_idx + 1):-1, 1].flatten()


    cp.cf_lst = [(face_y_L0, [n_h[0, 0]]),
                    (face_y_L0, [n_h[n_h_idx, -1]]),
                    (face_y_L0, [n_h[-1, 0]]),
                    (face_z_t, z_nodes_field1),
                    (face_z_t, z_nodes_field2),
                    (face_z_t, z_nodes_field3),
                    (face_z_t, z_nodes_field4),
                    (face_z_t, n_h[n_h_idx, :]),
                    (face_z_t, n_h[0, :]),
                    (face_z_t, n_h[-1, :]),
#                    (face_z_t, n_h[n_h_idx,1:]),                
#                    (face_x_L2, n_h[2, (0, -1)].flatten()),
#                    (face_x_L2, n_h[n_h_idx, (0, -1)].flatten()),
                    (face_x_L2, n_h[n_h_idx, :].flatten()),
                    ]

    print "field1", z_nodes_field1
    print "field2", z_nodes_field2
    print "edge1", n_h[0, :]
    print "edge2", n_h[-1, :]
    print "center", n_h[n_h_idx, :]
    return cp

# 需要导入模块: from oricrete.folding import YoshimuraCreasePattern [as 别名]
# 或者: from oricrete.folding.YoshimuraCreasePattern import cf_lst [as 别名]
def create_cp_fc_inclined(L_x = 4, L_y = 4, n_x = 2, n_y = 4,
         n_steps = 100):
    '''Create scalable rhombus crease pattern with face constraints
    '''
    cp = YoshimuraCreasePattern(n_steps = n_steps,
                              L_x = L_x,
                              L_y = L_y,
                              n_x = n_x,
                              n_y = n_y,
                              show_iter = False,
                              MAX_ITER = 50)

    n_h = cp.N_h
    n_v = cp.N_v
    n_i = cp.N_i

    y_links = []

#    n_h0 = n_h[(0, -1), :-1]
#    n_h1 = n_h[(0, -1), 1:]
#    for nv, nh0, nh1 in zip(n_v.T, n_h0.T, n_h1.T):
#        for v, h0, h1 in zip(nv, nh0, nh1):
#            print 'constraining', h0, h1
#            y_links.append([(h0, 1, 1.0), (h1, 1, -1.0)])

    n_h0 = n_h[(0, -1), :-1]
    n_h1 = n_h[(0, -1), 1:]
    for nv in n_v.T:
        print 'adding constraint', nv
        y_links.append([(nv[0], 0, 1.0), (nv[1], 0, 1.0)])

    # here was a conflict @todo - resolve with Jan
    #    for nv, nh0, nh1 in zip(n_v.T, n_h0.T, n_h1.T):
    #        for v, h0, h1 in zip(nv, nh0, nh1):
    #            y_links.append([(v, 1, 1.0), (h1, 1, -0.5)])


    cp.cnstr_lhs = y_links
    cp.cnstr_rhs = np.zeros((len(cp.cnstr_lhs),), dtype = float)

    print "cnstr_lhs", cp.cnstr_lhs
    print "cnstr_rhs", cp.cnstr_rhs

#    A = L_x * 0.2
    A = 0.2
#    face_z_t = CF(Rf = z_ - 4 * A * t_ / L_x * x_ * (1 - x_ / L_x))
    face_z_t = CF(Rf = z_ - 4 * A * t_ * x_ * (1 - x_ / L_x))
    face_x_L2 = CF(Rf = x_ - L_x / 2)

    face_y_L2 = CF(Rf = y_ - L_y / 2)
#    face_y_Ly = CF(Rf = y_ - L_y)

#old
    n_h_idx = n_x / 2

    z_nodes = n_h[:, :].flatten()
#    y_nodes = n_i[:, 0] # + list(n_v[:, :].flatten())
    y_nodes = n_i[0, 0] # + list(n_v[:, :].flatten())


    cp.cf_lst = [(face_y_L2, [n_i[0, 0]]),
                    (face_z_t, z_nodes),
##                    (face_x_L2, n_h[2, (0, -1)].flatten()),
#                    (face_x_L2, n_h[n_h_idx, (0, -1)].flatten()),
                    (face_x_L2, n_h[n_h_idx, :].flatten()),
                    ]



    return cp

# 需要导入模块: from oricrete.folding import YoshimuraCreasePattern [as 别名]
# 或者: from oricrete.folding.YoshimuraCreasePattern import cf_lst [as 别名]
def create_cp_fc_02(L_x = 4, L_y = 4, n_x = 2, n_y = 2, z0_ratio = 0.1,
                     n_steps = 100):
    '''Create scalable rhombus crease pattern with face constraints
       One basic element with general formulation (extension in y-direction variabel)
       (extension in x-direction has to be adepted manually)
    '''
    cp = YoshimuraCreasePattern(n_steps = n_steps,
                              L_x = L_x,
                              L_y = L_y,
                              n_x = n_x,
                              n_y = n_y,
                              show_iter = False,
                              z0_ratio = z0_ratio,
                              MAX_ITER = 50)

    n_h = cp.N_h
    n_v = cp.N_v
    n_i = cp.N_i


    n_h_idx = n_x / 2
    n_h_idx = n_x / 2


    y_links = []
    for n_arr in n_h[0:3, :].T:
        for idx, n in enumerate(n_arr[1:]):
            n_x = len(n_arr)
            y_links.append([(n_arr[0], 1, 1.0), (n, 1, -1.0)])

    '''
    Extension in x-direction
    '''
    #y_links.append([(n_h[0,0], 1, 1.0), (n_h[-1,0], 1, -1.0)])
    #y_links.append([(n_h[0,0], 1, 1.0), (n_h[-2,0], 1, -1.0)])

    y_links.append([(n_h[0, -1], 1, 1.0)])
    y_links.append([(n_h[1, 0], 0, 1.0)])


    cp.cnstr_lhs = y_links

    print "n_h[1, 0]", n_h[1, 0]
    print "n_h[-1,-1]", n_h[-1, 0]
    print "n_h[1, -1]", n_h[1, -1]
    print "n_h[-1,-1]", n_h[-1, -1]

    cp.cnstr_rhs = np.zeros((len(cp.cnstr_lhs),), dtype = float)

    print "cnstr_lhs", cp.cnstr_lhs
    print "cnstr_rhs", cp.cnstr_rhs

    A = 0.2

    face_z_t = CF(Rf = z_ - 4 * A * t_ * x_ * (1 - x_ / L_x))


    cp.cf_lst = [(face_z_t, n_h[1:-1, 0]),
                    (face_z_t, n_h[0, :]),
                    (face_z_t, n_h[-1, :])
                    ]



    print "edge1", n_h[0, :]
    print "edge2", n_h[-1, :]
    print "center", n_h[1:-1, 0]
    return cp

# 需要导入模块: from oricrete.folding import YoshimuraCreasePattern [as 别名]
# 或者: from oricrete.folding.YoshimuraCreasePattern import cf_lst [as 别名]
def create_cp_fc_inclined(L_x = 4, L_y = 4, n_x = 1, n_y = 2,
         n_steps = 100):
    '''Create scalable rhombus crease pattern with face constraints
    '''
    cp = YoshimuraCreasePattern(n_steps = n_steps,
                              L_x = L_x,
                              L_y = L_y,
                              n_x = n_x,
                              n_y = n_y,
                              show_iter = False,
                              MAX_ITER = 2000)

    n_h = cp.N_h
    n_i = cp.N_i
    n_v = cp.N_v
    n_h_idx = n_y / 4

    x_links = []
    y_links = []
    z_links = []

#    for n_arr in n_h[:, (-1,)].T:
#        for idx, n in enumerate(n_arr[1:]):
#            y_links.append([(n_arr[0], 1, 1.0), (n, 1, -1.0)])

#    for n in n_v[-1, 1:]:
#        x_links.append([(n_v[-1, 0], 0, 1.0), (n, 0, -1.0)])

#    for n0, n1 in zip(n_v[0, :], n_v[-1, :]):
#        z_links.append([(n0, 2, 1.0), (n1, 2, -1.0)])
#        y_links.append([(n0, 1, 1.0), (n1, 1, -1.0)])

    #cntrl = [[(n_h[-1, -1], 1, 1.0)]]
    #cntrl = [[(n_h[-1, 1], 0, 1.0)]]

    cp.cnstr_lhs = x_links + y_links + z_links # + cntrl
    #cp.cnstr_lhs = z_cnstr

    # lift node 0 in z-axes
    cp.cnstr_rhs = np.zeros((len(cp.cnstr_lhs),), dtype = float)
    #cp.cnstr_rhs[-1] = -L_x * 0.34

#    face_z_0 = CF(Rf = z_ - (1 - x_ / L_x) * 0.2 * t_)
    face_z_0 = CF(Rf = z_ - 0)
    face_x_0 = CF(Rf = x_ - 0)
#    face_x_L = CF(Rf = x_ - L_x * (1 - 0.2 * t_))
#    face_y_0 = CF(Rf = y_ - 0)
#    face_y_L = CF(Rf = y_ - L_y * (1 - 0.1 * t_))
#parallel movement bothsided
    face_y_0 = CF(Rf = y_ - L_y * (0.05 * t_))# * x_ / L_x)
    face_y_L = CF(Rf = y_ - L_y * (1 - 0.05 * t_))# * x_ / L_x)

#parallel movement: one side inclined
#    face_y_0 = CF(Rf = y_ - L_y / 2.0 * (0.1 * t_) * x_ / L_x)
#    face_y_L = CF(Rf = y_ - L_y * (1 - 0.05 * t_))# * x_ / L_x)

#one side inclined, other side fixed
#    face_y_0 = CF(Rf = y_ - 0)
#    face_y_L = CF(Rf = y_ - L_y  + L_y * 0.1 * t_* x_ / L_x)

##symmetric inclined along x
#    face_y_0 = CF(Rf = y_ - L_y / 2.0 * 0.1 * t_ * x_ / L_x)
#    face_y_L = CF(Rf = y_ - L_y + L_y / 2.0 * 0.1 * t_ * x_ / L_x)
#
##symmetric inclined along both x and y
#    face_y_0 = CF(Rf = y_ - L_y / 2.0 * 0.05 * t_ * y_ / L_y)
#    face_y_L = CF(Rf = y_ - L_y + L_y / 2.0 * 0.05 * t_ * y_ / L_y)

#    cp.cf_lst = [(face_x_0, n_h[0, :]),
#                    (face_z_0, n_h[0, :]),
#                    (face_y_0, n_h[:, 0]),
#                    (face_y_L, n_h[:, -1])]

    z_nodes = n_h[:, :].flatten()
    print z_nodes
    cp.cf_lst = [(face_x_0, [n_h[0, 0]]),
                    (face_z_0, z_nodes),
                    (face_y_0, n_h[:, 0]),
                    (face_y_L, n_h[:, -1])]

    return cp