def create_new_calc_obj(init_obj, x, fat_dict=None):
'''
Returns a new calculation object to be used in optimization
:param init_obj:
:return:
'''
x_old = [
init_obj.get_s(),
init_obj.get_plate_thk(),
init_obj.get_web_h(),
init_obj.get_web_thk(),
init_obj.get_fl_w(),
init_obj.get_fl_thk(),
init_obj.get_span(),
init_obj.get_lg()
]
sigma_y1_new = stress_scaling(init_obj.get_sigma_y1(),
init_obj.get_plate_thk(), x[1])
sigma_y2_new = stress_scaling(init_obj.get_sigma_y2(),
init_obj.get_plate_thk(), x[1])
tau_xy_new = stress_scaling(init_obj.get_tau_xy(),
init_obj.get_plate_thk(), x[1])
sigma_x_new = stress_scaling_area(init_obj.get_sigma_x(),
sum(get_field_tot_area(x_old)),
sum(get_field_tot_area(x)))
try:
stf_type = x[8]
except IndexError:
stf_type = init_obj.get_stiffener_type()
main_dict = {
'mat_yield': [init_obj.get_fy(), 'Pa'],
'span': [init_obj.get_span(), 'm'],
'spacing': [x[0], 'm'],
'plate_thk': [x[1], 'm'],
'stf_web_height': [x[2], 'm'],
'stf_web_thk': [x[3], 'm'],
'stf_flange_width': [x[4], 'm'],
'stf_flange_thk': [x[5], 'm'],
'structure_type': [init_obj.get_structure_type(), ''],
'stf_type': [stf_type, ''],
'sigma_y1': [sigma_y1_new, 'MPa'],
'sigma_y2': [sigma_y2_new, 'MPa'],
'sigma_x': [sigma_x_new, 'MPa'],
'tau_xy': [tau_xy_new, 'MPa'],
'plate_kpp': [init_obj.get_kpp(), ''],
'stf_kps': [init_obj.get_kps(), ''],
'stf_km1': [init_obj.get_km1(), ''],
'stf_km2': [init_obj.get_km2(), ''],
'stf_km3': [init_obj.get_km3(), '']
}
if fat_dict == None:
return calc.CalcScantlings(main_dict), None
else:
return calc.CalcScantlings(main_dict), calc.CalcFatigue(
main_dict, fat_dict)
def fatigue_cls():
return calc.CalcFatigue(ex.obj_dict, ex.fat_obj_dict), calc.CalcFatigue(ex.obj_dict2, ex.fat_obj_dict), \
calc.CalcFatigue(ex.obj_dict_L, ex.fat_obj_dict)
def get_fatigue_object():
return calc_structure.CalcFatigue(obj_dict, fat_obj_dict)