def write_load(xde_lists, gesfile):
gesfile.write('\n')
left_vara = 'load'
righ_expr = ''.join(xde_lists['load'])
expr_list = idx_summation(left_vara, righ_expr, xde_lists)
expr_list = split_bracket_expr(expr_list[0])
for strs in expr_list:
if strs == 'load=':
gesfile.write(strs)
else:
gesfile.write(strs + '\n')
# end write_load()
def check_weak(xde_lists, list_addr, weak):
if xde_lists[weak][0].lower() == 'null':
return
elif xde_lists[weak][0].lower() == 'dist':
for weak_strs, line_num in zip(xde_lists[weak][1:], list_addr[weak]):
for weak_item in split_bracket_expr(weak_strs):
weak_form = set(
regx.findall(r'\[?\w+\;?\w+\]|\[\w+\;?\w+\]?', weak_item,
regx.I))
if len(weak_form) != 1:
report_error('WUF01', line_num, unsuitable_form(weak_item, 'Error') \
+ "one and only one '[*;*]' form in a lowest priority expression.\n")
else:
miss_opr = [
weak_opr for weak_opr in ['[', ';', ']']
if weak_item.find(weak_opr) == -1
]
if len(miss_opr) != 0:
report_error('WUF02', line_num, unsuitable_form(weak_item, 'Error') \
+ f"It miss {Empha_color}'{' '.join(miss_opr)}'.\n")
weak_func_set = set(map(lambda x: x.strip(';').lstrip('[').rstrip(']'), \
regx.findall(r'\[\w+|\w+\;|\;\w+|\w+\]', weak_item, regx.I)))
check_weak_items(weak_func_set, weak_item, line_num, xde_lists)
elif xde_lists[weak][0] == '%1':
if weak == 'stif':
report_error('WUF03', list_addr[weak][0], unsuitable_form(' '.join(xde_lists[weak]), 'Error') \
+ "'STIF' must be declared as paragraph, it is distributed.\n")
coeff_len = len(xde_lists[weak]) - 1
if 'disp' in xde_lists and coeff_len > 1 and coeff_len < len(
xde_lists['disp']):
no_coeff_var = xde_lists['disp'][coeff_len:]
no_mass_list = ['0' for i in range(len(no_coeff_var))]
error_type = unsuitable_form(' '.join(xde_lists[weak]), 'Error')
sgest_info = f"Not enough '{weak}' coefficient for 'disp' declaration at {Empha_color}{list_addr['disp']}. " \
+ f"{Error_color}If '{' '.join(no_coeff_var)}' have no 'mass', it's better declared as " \
+ f"{Empha_color}'{weak} {' '.join(xde_lists[weak] + no_mass_list)}'.\n"
report_error('WUF04', list_addr[weak][0], error_type + sgest_info)
else:
report_error('WFD01', list_addr[weak][0], faultly_declared(weak, 'Error') \
+ f"Wrong key word {Empha_color}'{xde_lists[weak][0][:8]}...'\n")
def write_load(xde_lists, gesfile):
gesfile.write('\n')
left_vara = 'load'
righ_expr = ''.join(xde_lists['load'])
expr_list = idx_summation(left_vara, righ_expr, xde_lists)
expr_list = split_bracket_expr(expr_list[0])
gesfile.write(expr_list[0])
for strs in expr_list[1:]:
if 'cmplx_tag' in xde_lists and xde_lists['cmplx_tag'] == 1:
weak_item = regx.search(r'\[\w+\]', strs, regx.I)
cplx_item = regx.search(r'\(?\|[+-]?\w+\;[+-]?\w+\|\)?', strs,
regx.I)
if weak_item != None:
weak_item = weak_item.group()
if cplx_item != None:
cplx_item = cplx_item.group()
weak_var = weak_item.lstrip('[').rstrip(']')
cplx_real_var, cplx_imag_var = cplx_item.lstrip('(').rstrip(
')').strip('|').split(';')
weak_list = [weak_var + 'r', weak_var + 'i']
cplx_list = [cplx_real_var, cplx_imag_var]
for i in range(2):
if regx.match(r'[+-]?0(?:\.0*)?|[+-]?\.0+', cplx_list[i] ,regx.I) != None \
and cplx_list[i][-1] == '0' :
continue
gesfile.write(strs.replace(weak_item, f'[{weak_list[i]}]') \
.replace(cplx_item, f'({cplx_list[i]})')+'\n')
else:
gesfile.write(strs + '\n')
# end write_load()
def check_load(xde_lists, list_addr):
if not xde_lists['load'][0].isnumeric():
for weak_strs, line_num in zip(xde_lists['load'], list_addr['load']):
for weak_item in split_bracket_expr(weak_strs):
weak_form = regx.findall(r'\[\w+\]?|\[?\w+\]', weak_item,
regx.I)
if len(set(weak_form)) != 1:
report_error('WUF05', line_num, unsuitable_form(weak_item, 'Error') \
+ "one and only one '[*]' form in a lowest priority expression.\n")
else:
miss_opr = [
weak_opr for weak_opr in ['[', ']']
if weak_item.find(weak_opr) == -1
]
if len(miss_opr) != 0:
report_error('WUF06', line_num, unsuitable_form(weak_item, 'Error') \
+ f"It miss {Empha_color}'{' '.join(miss_opr)}'.\n")
weak_func_set = set(
map(lambda x: x.lstrip('[').rstrip(']'), weak_form))
check_weak_items(weak_func_set, weak_item, line_num, xde_lists)
def write_weak(weak, code_use_dict, xde_lists, gesfile):
if xde_lists[weak][0].lower() != 'null' or weak in code_use_dict:
gesfile.write('\n{}\n'.format(weak))
else:
return
if weak in code_use_dict:
for strs in code_use_dict[weak]:
gesfile.write(strs)
if xde_lists[weak][0] == 'dist':
left_vara = xde_lists[weak][0]
righ_expr = ''
for ii in range(1, len(xde_lists[weak])):
righ_expr += xde_lists[weak][ii]
expr_list = idx_summation(left_vara, righ_expr, xde_lists)
expr_list = split_bracket_expr(expr_list[0])
for strs in expr_list:
if strs == 'dist=':
gesfile.write(strs)
else:
gesfile.write(strs + '\n')
elif xde_lists[weak][0] == 'lump':
if len(xde_lists[weak]) == 1:
xde_lists[weak].append('1.0')
lump_expr = {}
if len(xde_lists[weak]) == 2: pass
gesfile.write('lump =\n')
for shaps in xde_lists['shap']:
nodn = regx.search(r'\d+', shaps, regx.I).group()
for vara in xde_lists['shap'][shaps]:
for ii in range(int(nodn)):
gesfile.write('+[{}]{}{}\n' \
.format(xde_lists[weak][1], vara, ii+1))
def parse_weak(weak, xde_dict, ges_dict):
if xde_dict[weak][0].lower() != 'null' \
or weak in ges_dict['code']:
ges_dict[weak] = []
else:
return
if xde_dict[weak][0] == 'dist':
left_vara = xde_dict[weak][0]
righ_expr = ''
for weak_strs in xde_dict[weak][1:]:
righ_expr += weak_strs
expr_list = idx_summation(left_vara, righ_expr, xde_dict)
expr_list = split_bracket_expr(expr_list[0])
ges_dict[weak].append(expr_list[0].replace('=', ''))
for strs in expr_list[1:]:
if 'cmplx_tag' in xde_dict and xde_dict['cmplx_tag'] == 1:
weak_item = re.search(r'\[\w+\;\w+\]', strs, re.I)
cplx_item = re.search(r'\(?\|[+-]?\w+\;[+-]?\w+\|\)?', strs,
re.I)
if weak_item != None:
weak_item = weak_item.group()
if cplx_item != None:
cplx_item = cplx_item.group()
weak_left_var, weak_righ_var = weak_item.lstrip('[').rstrip(
']').split(';')
cplx_real_var, cplx_imag_var = cplx_item.lstrip('(').rstrip(
')').strip('|').split(';')
weak_left_list = [
weak_left_var + 'r', weak_left_var + 'i',
weak_left_var + 'r', weak_left_var + 'i'
]
weak_righ_list = [
weak_righ_var + 'r', weak_righ_var + 'i',
weak_righ_var + 'i', weak_righ_var + 'r'
]
cplx_list = [
cplx_real_var, cplx_real_var, cplx_imag_var, cplx_imag_var
]
if cplx_list[2][0] == '+':
cplx_list[2] = cplx_list[2].replace('+', '-')
elif cplx_list[2][0] == '-':
cplx_list[2] = cplx_list[2].replace('-', '+')
else:
cplx_list[2] = '-' + cplx_list[2]
for i in range(4):
if re.match(r'[+-]?0(?:\.0*)?|[+-]?\.0+', cplx_list[i] ,re.I) != None \
and cplx_list[i][-1] == '0' :
continue
ges_dict[weak].append(strs.replace(weak_item, f'[{weak_left_list[i]};{weak_righ_list[i]}]') \
.replace(cplx_item, f'({cplx_list[i]})') )
else:
ges_dict[weak].append(strs)
elif xde_dict[weak][0] == 'lump':
if len(xde_dict[weak]) == 1:
xde_dict[weak].append('1.0')
if len(xde_dict[weak]) == 2: pass
ges_dict[weak].append('lump')
for shaps in xde_dict['shap']:
nodn = re.search(r'\d+', shaps, re.I).group()
for vara in xde_dict['shap'][shaps]:
for ii in range(int(nodn)):
ges_dict[weak].append(
f'+[{xde_dict[weak][1]}]{vara}{ii+1}')
def xde2ges(gesname, coor_type, xde_lists, list_addr, gesfile):
# 0 prepare
ges_shap_type = regx.search(r'[ltqwc][1-9]+', gesname, regx.I).group()
ges_gaus_type = regx.search(r'g[1-9]+', gesname, regx.I)
if ges_gaus_type != None:
ges_gaus_type = ges_gaus_type.group()
dim = regx.search(r'[1-9]+', coor_type, regx.I).group()
axi = coor_type.split('d')[1]
ges_shap_nodn = regx.search(r'[1-9]+', ges_shap_type, regx.I).group()
ges_shap_form = ges_shap_type[0]
pfelacpath = os.environ['pfelacpath']
code_use_dict = {} # use to deal with @L, @A, vol, singular, ...
for code_key in ['BFmate', 'AFmate', 'func', 'stif', 'mass', 'damp']:
if code_key in xde_lists['code']:
code_use_dict[code_key] = []
release_code(xde_lists, code_key, pfelacpath, code_use_dict)
gesfile.write(gesname + '\ndefi\n')
base_shap_type = list(xde_lists['shap'].keys())[0]
base_shap_nodn = regx.search(r'[1-9]+', base_shap_type, regx.I).group()
base_shap_form = base_shap_type[0]
# 1 write disp and var declare
if 'disp' in xde_lists:
# 1.1 write disp declare
gesfile.write('disp ')
for strs in xde_lists['disp']:
gesfile.write(strs + ',')
gesfile.write('\n')
# 1.2 parsing var
var_dict = {}
for shap in xde_lists['shap'].keys():
nodn = int(regx.search(r'[1-9]+', shap, regx.I).group())
for var in xde_lists['shap'][shap]:
var_dict[var] = [var + str(ii + 1) for ii in range(nodn)]
# 1.3 write var declare
i = 0
gesfile.write('var')
for nodi in range(int(base_shap_nodn)):
for strs in xde_lists['disp']:
if nodi >= len(var_dict[strs]):
continue
gesfile.write(' ' + var_dict[strs][nodi])
i += 1
if i == 10:
gesfile.write('\nvar')
i = 0
gesfile.write('\n')
# 2 write refc, coor and coef declare
if 'coor' in xde_lists:
gesfile.write('refc ')
for strs in xde_lists['coor']:
gesfile.write('r' + strs + ',')
gesfile.write('\ncoor ')
for strs in xde_lists['coor']:
gesfile.write(strs + ',')
gesfile.write('\n')
if 'coef' in xde_lists:
gesfile.write('coef ')
for strs in xde_lists['coef']:
gesfile.write(strs + ',')
gesfile.write('\n')
# 3 write func declare
if 'func' in xde_lists:
gesfile.write('func = ')
for strs in xde_lists['func']:
gesfile.write(strs + ',')
gesfile.write('\n')
# 4 write dord and node declare
if 'disp' in xde_lists:
gesfile.write('dord ')
for strs in xde_lists['disp']:
gesfile.write('1' + ',')
gesfile.write('\n')
gesfile.write('node ' + str(base_shap_nodn) + '\n')
# 5 write code before mate declaration
if 'BFmate' in code_use_dict:
for strs in code_use_dict['BFmate']:
gesfile.write(strs)
# 6 write mate line
if 'mate' in xde_lists:
gesfile.write('mate')
for var in xde_lists['mate']['default'].keys():
gesfile.write(' ' + var)
for var in xde_lists['mate']['default'].keys():
gesfile.write(' ' + xde_lists['mate']['default'][var])
gesfile.write('\n')
# 7 write code after mate declaration
if 'AFmate' in code_use_dict:
for strs in code_use_dict['AFmate']:
gesfile.write(strs)
# 8 write 'singular' operator declaration
if 'singular' in xde_lists:
gesfile.write(xde_lists['singular'])
# 9 write shap and tran paragraph
if 'shap' in xde_lists:
gesfile.write('\nshap\n')
geslib_coor = ['x', 'y', 'z']
base_shap_strs = ''
# 9.1 write shap
for shap in xde_lists['shap'].keys():
shap_func = 'd' + dim + shap + '.sub'
path_shap = pfelacpath + 'ges/ges.lib'
file_shap = open(path_shap, mode='r')
shap_find, shap_strs = 0, ''
# 9.1.1 find shap function in ges.lib
for line in file_shap.readlines():
shap_start_file = regx.search('sub ' + shap_func, line, regx.I)
shap_end_file = regx.search('end ' + shap_func, line, regx.I)
if shap_start_file != None:
shap_find = 1
continue
if shap_end_file != None:
shap_find = 0
continue
if shap_find == 1:
shap_strs += line
file_shap.close()
# note: save the base shap function for mix element when write tran
if shap == base_shap_type:
base_shap_strs = shap_strs
# 9.1.2 replace shap func's coor by xde's coor
for coor_i, coor_str in enumerate(xde_lists['coor']):
shap_strs = shap_strs.replace(geslib_coor[coor_i],
'r' + coor_str)
# 9.1.3 replace shap func's disp by xde's disp and write
for shap_var in xde_lists['shap'][shap]:
temp_strs = shap_strs.replace('u', shap_var)
gesfile.write(shap_var + '=\n')
gesfile.write(temp_strs)
gesfile.write('\n')
# 9.2 write tran
gesfile.write('tran\n')
shap_expr_list = base_shap_strs.split('\n')
shap_expr_list.remove('')
tran_expr_list = []
# 9.2.1 add '()'
for shap_expr in shap_expr_list:
shap_var, shap_exp = shap_expr.split('=')[:2]
shap_num = regx.search(r'[0-9]+', shap_var, regx.I).group()
shap_var = shap_var.replace(shap_num, '(' + shap_num + ')')
tran_expr_list.append(shap_var + '=' + shap_exp)
# 9.2.2 replace shap func's coor by xde's coor
for coor_i, coor_str in enumerate(xde_lists['coor']):
for ii in range(len(tran_expr_list)):
tran_expr_list[ii] = \
tran_expr_list[ii].replace(geslib_coor[coor_i],'r'+coor_str)
# 9.2.3 replace shap func's disp by by xde's coor and write
for coor_str in xde_lists['coor']:
gesfile.write(coor_str + '=\n')
for tran_expr in tran_expr_list:
gesfile.write(tran_expr.replace('u', coor_str) + '\n')
gesfile.write('\n')
# 9.3 write coef shap
if 'coef_shap' in xde_lists:
gesfile.write('coef\n')
for shap in xde_lists['coef_shap'].keys():
shap_func = 'd' + dim + shap + '.sub'
path_shap = pfelacpath + 'ges/ges.lib'
file_shap = open(path_shap, mode='r')
shap_find, shap_strs = 0, ''
# 9.3.1 find shap function in ges.lib
for line in file_shap.readlines():
shap_start_file = regx.search('sub ' + shap_func, line, regx.I)
shap_end_file = regx.search('end ' + shap_func, line, regx.I)
if shap_start_file != None:
shap_find = 1
continue
if shap_end_file != None:
shap_find = 0
continue
if shap_find == 1:
shap_strs += line
file_shap.close()
# 9.2.1 add '()'
shap_expr_list = shap_strs.split('\n')
shap_expr_list.remove('')
coef_expr_list = []
for shap_expr in shap_expr_list:
shap_var, shap_exp = shap_expr.split('=')[:2]
shap_num = regx.search(r'[0-9]+', shap_var, regx.I).group()
shap_var = shap_var.replace(shap_num, '(' + shap_num + ')')
coef_expr_list.append(shap_var + '=' + shap_exp)
shap_strs = '\n'.join(coef_expr_list) + '\n'
# 9.3.2 replace shap func's coor by xde's coor
for coor_i, coor_str in enumerate(xde_lists['coor']):
shap_strs = shap_strs.replace(geslib_coor[coor_i],
'r' + coor_str)
# 9.3.3 replace shap func's disp by xde's disp and write
for shap_var in xde_lists['coef_shap'][shap]:
temp_string = shap_strs.replace('u', shap_var)
gesfile.write(shap_var + '=\n')
gesfile.write(temp_string)
gesfile.write('\n')
# 9 write gaus paragraph
if 'gaus' in xde_lists:
# 9.1 Gaussian integral
if xde_lists['gaus'][0] == 'g':
gaus_degree = regx.search(r'[0-9]+', xde_lists['gaus'],
regx.I).group()
# 9.1.1 line square or cube shap
if ges_shap_type[0].lower() in ['l', 'q', 'c']:
path_gaus = pfelacpath + 'ges/gaus.pnt'
file_gaus = open(path_gaus, mode='r')
gaus_find, gaus_axis, gaus_weit = 0, [], []
# 9.1.1.1 read gaus axis and weight in gaus.pnt
for line in file_gaus.readlines():
gaus_start_file = regx.search('n=' + gaus_degree, line,
regx.I)
if gaus_start_file != None:
gaus_find = 1
continue
if gaus_find == 1 and line == '\n':
gaus_find = 0
continue
if gaus_find == 1:
gaus_strs = line.split()
if gaus_strs[0][0] not in ['-', '+']:
gaus_strs[0] = ' ' + gaus_strs[0]
gaus_axis.append(gaus_strs[0])
gaus_weit.append(gaus_strs[1])
file_gaus.close()
# 9.1.1.2 write line square or cube's gaussian integra
gesfile.write('gaus = ' + str(len(gaus_weit)**int(dim)) + '\n')
if ges_shap_type[0].lower() == 'l':
for axis_i in range(len(gaus_axis)):
gesfile.write(gaus_axis[axis_i]+' ' \
+gaus_weit[axis_i]+'\n')
elif ges_shap_type[0].lower() == 'q':
for axis_i in range(len(gaus_axis)):
for axis_j in range(len(gaus_axis)):
weight = float(gaus_weit[axis_i]) \
*float(gaus_weit[axis_j])
gesfile.write (gaus_axis[axis_i]+' ' \
+gaus_axis[axis_j]+' ' \
+str(weight)+'\n')
elif ges_shap_type[0].lower() == 'c':
for axis_i in range(len(gaus_axis)):
for axis_j in range(len(gaus_axis)):
for axis_k in range(len(gaus_axis)):
weight = float(gaus_weit[axis_i]) \
*float(gaus_weit[axis_j]) \
*float(gaus_weit[axis_k])
gesfile.write (gaus_axis[axis_i]+' ' \
+gaus_axis[axis_j]+' ' \
+gaus_axis[axis_k]+' ' \
+str(weight)+'\n')
# 9.1.2 triangle shap
elif ges_shap_type[0].lower() == 't':
path_gaus = pfelacpath + 'ges/gaust.pnt'
file_gaus = open(path_gaus, mode='r')
gaus_find, gaus_strs = 0, ''
# 9.1.2.1 tackle the gaussian degree
if gaus_degree == '6':
gaus_degree = '5'
elif int(gaus_degree) > 12 and int(gaus_degree) < 17:
gaus_degree = '12'
elif int(gaus_degree) > 17:
gaus_degree = '17'
# 9.1.2.2 read gaus axis and weight in gaust.pnt and write
for line in file_gaus.readlines():
gaus_start_file = regx.search('P' + gaus_degree, line,
regx.I)
if gaus_start_file != None:
gaus_find = 1
continue
if gaus_find == 1 and line == '\n':
gaus_find = 0
continue
if gaus_find == 1:
gaus_strs += line
file_gaus.close()
gesfile.write(gaus_strs)
# 9.1.3 tetrahedron shap
elif ges_shap_type[0].lower() == 'w':
path_gaus = pfelacpath + 'ges/gausw.pnt'
file_gaus = open(path_gaus, mode='r')
gaus_find, gaus_strs = 0, ''
# 9.1.3.1 tackle the gaussian degree
if gaus_degree == '4':
gaus_degree = '3'
elif gaus_degree == '6':
gaus_degree = '5'
elif int(gaus_degree) > 7:
gaus_degree = '7'
# 9.1.2.2 read gaus axis and weight in gausw.pnt and write
for line in file_gaus.readlines():
gaus_start_file = regx.search('P' + gaus_degree, line,
regx.I)
if gaus_start_file != None:
gaus_find = 1
continue
if gaus_find == 1 and line == '\n':
gaus_find = 0
continue
if gaus_find == 1:
gaus_strs += line
file_gaus.close()
gesfile.write(gaus_strs)
else:
pass
# 9.2 node integral
else:
path_gaus = pfelacpath + 'ges/ges.lib'
file_gaus = open(path_gaus, mode='r')
gaus_find, gaus_strs = 0, ''
# 9.2.1 read gaus axis and weight in ges.lib and write
for line in file_gaus.readlines():
gaus_name = ' d' + dim + xde_lists['gaus'] + '.gau'
gaus_start_file = regx.search('sub' + gaus_name, line, regx.I)
gaus_end_file = regx.search('end' + gaus_name, line, regx.I)
if gaus_start_file != None:
gaus_find = 1
continue
if gaus_end_file != None:
gaus_find = 0
continue
if gaus_find == 1:
gaus_strs += line
file_gaus.close()
gesfile.write(gaus_strs)
# 10 write func paragraph
if 'func' in code_use_dict \
or 'vol' in xde_lists :
gesfile.write('\nfunc\n')
if 'vol' in xde_lists:
gesfile.write(xde_lists['vol'])
if 'func' in code_use_dict:
for strs in code_use_dict['func']:
#gesfile.write(strs)
if strs[0] == '$':
gesfile.write(strs)
else:
if strs.find('(') != -1:
strs = strs.rstrip('\n')
driv_list = set(
regx.findall(r'\[[a-z][a-z0-9]*/[xyzros]\]', strs,
regx.I))
rplc_list = [
'driv' + str(i) for i in range(len(driv_list))
]
for rplc, driv in zip(rplc_list, driv_list):
strs = strs.replace(driv, rplc)
expr_objt = expr(strs.split('=')[1])
expr_strs = expr_objt.bracket_expand(
expr_objt.expr_head)
for rplc, driv in zip(rplc_list, driv_list):
expr_strs = expr_strs.replace(rplc, driv)
strs = strs.split('=')[0] + '=' + expr_strs + '\n\n'
gesfile.write(strs)
else:
gesfile.write(strs)
# 11 write stif, mass, damp paragraph
for weak in ['stif', 'mass', 'damp']:
if weak in xde_lists:
gesfile.write('\n{}\n'.format(weak))
if weak in code_use_dict:
for strs in code_use_dict[weak]:
gesfile.write(strs)
if xde_lists[weak][0] == 'dist':
left_vara = xde_lists[weak][0]
righ_expr = ''
for ii in range(1, len(xde_lists[weak])):
righ_expr += xde_lists[weak][ii]
expr_list = idx_summation(left_vara, righ_expr, xde_lists)
expr_list = split_bracket_expr(expr_list[0])
for strs in expr_list:
if strs == 'dist=':
gesfile.write(strs)
else:
gesfile.write(strs + '\n')
elif xde_lists[weak][0] == 'lump':
if len(xde_lists[weak]) == 1:
xde_lists[weak].append('1.0')
gesfile.write('lump =\n')
for shaps in xde_lists['shap']:
nodn = regx.search(r'\d+', shaps, regx.I).group()
for vara in xde_lists['shap'][shaps]:
for ii in range(int(nodn)):
gesfile.write('+[{}]{}{}\n' \
.format(xde_lists[weak][1], vara, ii+1))
# 14 write load paragraph
gesfile.write('\n')
if 'load' in xde_lists:
left_vara = 'load'
righ_expr = ''.join(xde_lists['load'])
expr_list = idx_summation(left_vara, righ_expr, xde_lists)
expr_list = split_bracket_expr(expr_list[0])
for strs in expr_list:
if strs == 'load=':
gesfile.write(strs)
else:
gesfile.write(strs + '\n')
else:
print('error: no load declared')
gesfile.write('\nend')
gesfile.close()
return False
def dist_weak(weaktype, xde_dict, file):
file.write('\\[\n')
write_line = ''
expr_list = []
for ii in range(1,len(xde_dict[weaktype])):
expr_list += split_bracket_expr(xde_dict[weaktype][ii])
for weak_strs in expr_list:
def tran_index(matched):
index_str = matched.group('index')
index_list = index_str.split('_')
index_str = '_{'
for jj in range(0,len(index_list)):
index_str += index_list[jj]
index_str+='}'
return index_str
weak_strs = re.sub(r'(?P<index>(_[a-z])+)',tran_index,weak_strs)
weak_list = []
second_opr = ''
first_opr = ''
factor = ''
if weak_strs[0] != '[':
first_opr = weak_strs[0]
else:
first_opr = '+'
weak_strs = weak_strs.split('[')[1]
weak_list = weak_strs.split(';')
if weaktype == 'mass':
if 'damp' in xde_dict:
left = '\\frac{\\partial^2 '+ weak_list[0] + '}{\\partial t^2}'
else:
left = '\\frac{\\partial ' + weak_list[0] + '}{\\partial t}'
elif weaktype == 'damp':
left = '\\frac{\\partial ' + weak_list[0] + '}{\\partial t}'
elif weaktype == 'stif':
left = weak_list[0]
weak_strs = weak_list[1]
weak_list = weak_strs.split(']')
righ = weak_list[0]
weak_strs = weak_list[1]
if weak_strs == '':
factor = ''
else:
if weak_strs[0] == '/':
second_opr = '/'
factor = weak_strs.lstrip(weak_strs[0])
if second_opr == '/':
factor = '1/'+factor
write_line += ' \\int_{\Omega} '
write_line += factor.rstrip('+').replace('*','\cdot ')+'\cdot '
write_line += left
write_line += '\delta '+righ
write_line += '+'
write_line = write_line.rstrip('+')
file.write(write_line)
file.write('\n\\]\n')
