import json import numpy as np import itertools flatten = itertools.chain.from_iterable class COMMANDFILE: def __init__(self, dataFilename, asterFilename): self.dataFilename = dataFilename self.asterFilename = asterFilename self.create() def getGroupName(self, name): info = name.split('|') sortName = ''.join(c for c in info[0] if c.isupper()) return str(sortName + '_' + info[1]) def create(self): AccelOfGravity = 9.806 # m/sec^2 # Read data from input file with open(self.dataFilename) as dataFile: data = json.load(dataFile) elements = data['elements'] connections = data['connections'] # --> Delete this reference data and repopulate it with the objects # while going through elements for conn in connections: conn['relatedElements'] = [] self.calculateRestraints(conn) for el in elements: for rel in el['connections']: conn = [c for c in connections if c['ifcName'] == rel['relatedConnection']][0] if conn['geometryType'] == 'point': rel['groupName1'] = self.getGroupName(rel['relatingElement']) + '_0DC_' + self.getGroupName(rel['relatedConnection']) if rel['eccentricity']: rel['groupName2'] = self.getGroupName(rel['relatedConnection']) + '_0DC_' + self.getGroupName(rel['relatingElement']) rel['index'] = len(conn['relatedElements']) + 1 rel['unifiedGroupName'] = self.getGroupName(rel['relatedConnection']) + '_0DC_%g' % rel['index'] else: rel['groupName2'] = self.getGroupName(rel['relatedConnection']) rel['springGroupName'] = self.getGroupName(rel['relatingElement']) + '_1DS_' + self.getGroupName(rel['relatedConnection']) self.calculateConstraints(rel) conn['relatedElements'].append(rel) # End <-- materials = data['db']['materials'] profiles = data['db']['profiles'] edgeGroupNames = tuple([self.getGroupName(el['ifcName']) for el in elements if el['geometryType'] == 'line']) faceGroupNames = tuple([self.getGroupName(el['ifcName']) for el in elements if el['geometryType'] == 'surface']) point0DGroupNames = tuple([self.getGroupName(el['ifcName']) for el in connections if el['geometryType'] == 'point']) spring1DGroupNames = tuple(flatten([[rel['springGroupName'] for rel in el['connections']] for el in elements])) unifiedConnection = False rigidLinkGroupNames = [] for conn in connections: conn['unifiedGroupNames'] = [rel['unifiedGroupName'] for rel in conn['relatedElements'] if rel['eccentricity']] # if not conn['appliedCondition'] and len(conn['unifiedGroupNames']) == 1: # conn['appliedCondition'] = { # 'dx': True, # 'dy': True, # 'dz': True # } if len(conn['unifiedGroupNames']) >= 1: conn['unifiedGroupNames'].insert(0, self.getGroupName(conn['ifcName'])) conn['unifiedGroupNames'] = tuple(conn['unifiedGroupNames']) unifiedConnection = True rigidLinkGroupNames.extend([self.getGroupName(rel['relatingElement']) + '_1DR_' + self.getGroupName(conn['ifcName']) for rel in conn['relatedElements'] if rel['eccentricity']]) rigidLinkGroupNames = tuple(rigidLinkGroupNames) # Define file to write command file for code_aster f = open(self.asterFilename, 'w') f.write('# Command file generated by IfcOpenShell/ifc2ca scripts\n') f.write('\n') f.write('# Linear Static Analysis With Self-Weight\n') f.write( ''' # STEP: INITIALIZE STUDY DEBUT( PAR_LOT = 'NON' ) ''' ) f.write( ''' # STEP: READ MED FILE mesh = LIRE_MAILLAGE( FORMAT = 'MED', UNITE = 20 ) ''' ) f.write( ''' # STEP: DEFINE MODEL model = AFFE_MODELE( MAILLAGE = mesh, AFFE = ( _F( TOUT = 'OUI', PHENOMENE = 'MECANIQUE', MODELISATION = '3D' ),''' ) if faceGroupNames: template = \ ''' _F( GROUP_MA = {groupNames}, PHENOMENE = 'MECANIQUE', MODELISATION = 'DKT' ),''' context = { 'groupNames': faceGroupNames } f.write(template.format(**context)) if edgeGroupNames: template = \ ''' _F( GROUP_MA = {groupNames}, PHENOMENE = 'MECANIQUE', MODELISATION = 'POU_D_E' ),''' context = { 'groupNames': edgeGroupNames } f.write(template.format(**context)) if point0DGroupNames: template = \ ''' _F( GROUP_MA = {groupNames}, PHENOMENE = 'MECANIQUE', MODELISATION = 'DIS_TR' ),''' context = { 'groupNames': tuple(flatten([point0DGroupNames, spring1DGroupNames])) } f.write(template.format(**context)) if rigidLinkGroupNames: template = \ ''' _F( GROUP_MA = {groupNames}, PHENOMENE = 'MECANIQUE', MODELISATION = 'POU_D_E' ),''' context = { 'groupNames': rigidLinkGroupNames } f.write(template.format(**context)) f.write( ''' ) )\n ''' ) f.write('# STEP: DEFINE MATERIALS') for i,material in enumerate(materials): template = \ ''' {matNameID} = DEFI_MATERIAU( ELAS = _F( E = {youngModulus}, NU = {poissonRatio}, RHO = {massDensity} ) ) ''' if 'poissonRatio' in material['mechProps']: poissonRatio = material['mechProps']['poissonRatio'] else: if 'shearModulus' in material['mechProps']: poissonRatio = (material['mechProps']['youngModulus'] / 2.0 / material['mechProps']['shearModulus']) - 1 else: poissonRatio = 0.0 context = { 'matNameID': 'mat'+ '_%s' % i, 'youngModulus': float(material['mechProps']['youngModulus']), 'poissonRatio': float(poissonRatio), 'massDensity': float(material['commonProps']['massDensity']) } f.write(template.format(**context)) f.write( ''' material = AFFE_MATERIAU( MAILLAGE = mesh, AFFE = (''' ) for i,material in enumerate(materials): template = \ ''' _F( GROUP_MA = {groupNames}, MATER = {matNameID}, ),''' context = { 'groupNames': tuple([self.getGroupName(rel) for rel in material['relatedElements']]), 'matNameID': 'mat'+ '_%s' % i } f.write(template.format(**context)) if rigidLinkGroupNames: template = \ ''' _F( GROUP_MA = {groupNames}, MATER = {matNameID}, ),''' context = { 'groupNames': rigidLinkGroupNames, 'matNameID': 'mat_0' } f.write(template.format(**context)) f.write( ''' ) ) ''' ) f.write( ''' # STEP: DEFINE ELEMENTS element = AFFE_CARA_ELEM( MODELE = model, POUTRE = (''' ) for profile in profiles: if profile['profileShape'] == 'rectangular' and profile['profileType'] == 'AREA': template = \ ''' _F( GROUP_MA = {groupNames}, SECTION = 'RECTANGLE', CARA = ('HY', 'HZ'), VALE = {profileDimensions} ),''' context = { 'groupNames': tuple([self.getGroupName(rel) for rel in profile['relatedElements']]), 'profileDimensions': (profile['xDim'], profile['yDim']) } f.write(template.format(**context)) elif profile['profileShape'] == 'iSymmetrical' and profile['profileType'] == 'AREA': template = \ ''' _F( GROUP_MA = {groupNames}, SECTION = 'GENERALE', CARA = ('A', 'IY', 'IZ', 'JX'), VALE = {profileProperties} ),''' context = { 'groupNames': tuple([self.getGroupName(rel) for rel in profile['relatedElements']]), 'profileProperties': ( profile['mechProps']['crossSectionArea'], profile['mechProps']['momentOfInertiaY'], profile['mechProps']['momentOfInertiaZ'], profile['mechProps']['torsionalConstantX'] ) } f.write(template.format(**context)) if rigidLinkGroupNames: template = \ ''' _F( GROUP_MA = {groupNames}, SECTION = 'RECTANGLE', CARA = ('HY', 'HZ'), VALE = {profileDimensions} ),''' context = { 'groupNames': rigidLinkGroupNames, 'profileDimensions': (1, 1) } f.write(template.format(**context)) f.write( ''' ), COQUE = (''' ) for el in [el for el in elements if el['geometryType'] == 'surface']: template = \ ''' _F( GROUP_MA = '{groupName}', EPAIS = {thickness}, VECTEUR = {localAxisX} ),''' context = { 'groupName': self.getGroupName(el['ifcName']), 'thickness': el['thickness'], 'localAxisX': tuple(el['orientation'][0]) } f.write(template.format(**context)) f.write( ''' ),''' ) f.write( ''' DISCRET = (''' ) for conn in [conn for conn in connections if conn['geometryType'] == 'point']: template = \ ''' _F( GROUP_MA = '{groupName}', CARA = 'K_TR_D_N', VALE = {stiffnesses}, REPERE = 'LOCAL' ),''' context = { 'groupName': self.getGroupName(conn['ifcName']), 'stiffnesses': conn['stiffnesses'] } f.write(template.format(**context)) for rel in conn['relatedElements']: template = \ ''' _F( GROUP_MA = '{groupName}', CARA = 'K_TR_D_L', VALE = {stiffnesses}, REPERE = 'LOCAL' ),''' context = { 'groupName': rel['springGroupName'], 'stiffnesses': rel['stiffnesses'] } f.write(template.format(**context)) f.write( ''' ),''' ) f.write( ''' ORIENTATION = (''' ) for el in [el for el in elements if el['geometryType'] == 'line']: template = \ ''' _F( GROUP_MA = '{groupName}', CARA = 'VECT_Y', VALE = {localAxisY} ),''' context = { 'groupName': self.getGroupName(el['ifcName']), 'localAxisY': tuple(el['orientation'][1]) } f.write(template.format(**context)) for conn in [conn for conn in connections if conn['geometryType'] == 'point']: template = \ ''' _F( GROUP_MA = '{groupName}', CARA = 'VECT_X_Y', VALE = {localAxesXY} ),''' context = { 'groupName': self.getGroupName(conn['ifcName']), 'localAxesXY': tuple(conn['orientation'][0] + conn['orientation'][1]) } f.write(template.format(**context)) for rel in conn['relatedElements']: template = \ ''' _F( GROUP_MA = '{groupName}', CARA = 'VECT_X_Y', VALE = {localAxesXY} ),''' context = { 'groupName': rel['springGroupName'], 'localAxesXY': tuple(rel['orientation'][0] + rel['orientation'][1]) } f.write(template.format(**context)) f.write( ''' ),''' ) f.write( ''' )\n ''' ) f.write('# STEP: DEFINE SUPPORTS AND CONSTRAINTS') f.write( ''' liaisons = AFFE_CHAR_MECA( MODELE = model, LIAISON_DDL = (''' ) for conn in connections: if conn['appliedCondition']: for i in range(len(conn['liaisons']['coeffs'])): template = \ ''' _F( GROUP_NO = {groupNames}, DDL = {dofs}, COEF_MULT = {coeffs}, COEF_IMPO = 0.0 ),''' context = { 'groupNames': conn['liaisons']['groupNames'], 'dofs': conn['liaisons']['dofs'][i], 'coeffs': conn['liaisons']['coeffs'][i] } f.write(template.format(**context)) for rel in conn['relatedElements']: for i in range(len(rel['liaisons']['coeffs'])): template = \ ''' _F( GROUP_NO = {groupNames}, DDL = {dofs}, COEF_MULT = {coeffs}, COEF_IMPO = 0.0 ),''' context = { 'groupNames': rel['liaisons']['groupNames'], 'dofs': rel['liaisons']['dofs'][i], 'coeffs': rel['liaisons']['coeffs'][i] } f.write(template.format(**context)) f.write( ''' ),''' ) if unifiedConnection: f.write( ''' LIAISON_UNIF = (''' ) for conn in [conn for conn in connections if len(conn['unifiedGroupNames']) > 1]: template = \ ''' _F( GROUP_NO = {groupNames}, DDL = ('DX', 'DY', 'DZ', 'DRX', 'DRY', 'DRZ') ),''' context = { 'groupNames': conn['unifiedGroupNames'] } f.write(template.format(**context)) f.write( ''' ),''' ) if rigidLinkGroupNames: f.write( ''' LIAISON_SOLIDE = (''' ) for groupName in rigidLinkGroupNames: template = \ ''' _F( GROUP_MA = '{groupName}' ),''' context = { 'groupName': groupName } f.write(template.format(**context)) f.write( ''' ),''' ) f.write( ''' ) ''' ) template = \ ''' # STEP: DEFINE LOAD gravLoad = AFFE_CHAR_MECA( MODELE = model, PESANTEUR = _F( GRAVITE = {AccelOfGravity}, DIRECTION = (0.0, 0.0, -1.0) ) ) ''' context = { 'AccelOfGravity': AccelOfGravity, } f.write(template.format(**context)) f.write( ''' # STEP: RUN ANALYSIS res_Bld = MECA_STATIQUE( MODELE = model, CHAM_MATER = material, CARA_ELEM = element, EXCIT = ( _F( CHARGE = liaisons ), _F( CHARGE = gravLoad ) ) ) ''' ) # f.write( # ''' # # STEP: POST-PROCESSING # res_Bld = CALC_CHAMP( # reuse = res_Bld, # RESULTAT = res_Bld, # # CONTRAINTE = ('SIEF_ELNO', 'SIGM_ELNO', 'EFGE_ELNO',), # FORCE = ('REAC_NODA', 'FORC_NODA',) # ) # ''' # ) # # template = \ # ''' # # STEP: MASS EXTRACTION FOR EACH ASSEMBLE # FaceMass = POST_ELEM( # TITRE = 'TotMass', # MODELE = model, # CARA_ELEM = element, # CHAM_MATER = material, # MASS_INER = _F( # GROUP_MA = {massList}, # ), # )\n''' # # context = { # 'massList': massList, # } # # f.write(template.format(**context)) # # f.write( # ''' # IMPR_TABLE( # UNITE = 10, # TABLE = FaceMass, # SEPARATEUR = ',', # NOM_PARA = ('LIEU', 'MASSE', 'CDG_X', 'CDG_Y', 'CDG_Z'), # # FORMAT_R = '1PE15.6', # ) # ''' # ) # # template = \ # ''' # # STEP: REACTION EXTRACTION AT THE BASE # Reacs = POST_RELEVE_T( # ACTION = _F( # INTITULE = 'sumReac', # GROUP_NO = {groupNames}, # RESULTAT = res_Bld, # NOM_CHAM = 'REAC_NODA', # RESULTANTE = ('DX','DY','DZ',), # MOMENT = ('DRX','DRY','DRZ',), # POINT = (0,0,0,), # OPERATION = 'EXTRACTION' # ) # ) # ''' # # context = { # 'groupNames': point0DGroupNames, # } # # f.write(template.format(**context)) # # f.write( # ''' # IMPR_TABLE( # UNITE = 10, # TABLE = Reacs, # SEPARATEUR = ',', # # NOM_PARA = ('INTITULE', 'RESU', 'NOM_CHAM', 'INST', 'DX','DY','DZ'), # FORMAT_R = '1PE12.3', # ) # ''' # ) # f.write( ''' # STEP: DEFORMED SHAPE EXTRACTION IMPR_RESU( FORMAT = 'MED', UNITE = 80, RESU = _F( RESULTAT = res_Bld, NOM_CHAM = ('DEPL',), # 'REAC_NODA', 'FORC_NODA', NOM_CHAM_MED = ('Bld_DISP',), # 'Bld_REAC', 'Bld_FORC' ) ) ''' ) f.write( ''' # STEP: CONCLUDE STUDY FIN() ''' ) f.close() def calculateConstraints(self, rel): gr1 = rel['groupName1'] gr2 = rel['groupName2'] o = np.array(rel['orientation']).transpose().tolist() liaisons = { 'groupNames': (gr1, gr1, gr1, gr2, gr2, gr2), 'coeffs': [], 'dofs': [] } stiffnesses = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0] if not rel['appliedCondition']: rel['appliedCondition'] = { 'dx': True, 'dy': True, 'dz': True, 'drx': True, 'dry': True, 'drz': True } if isinstance(rel['appliedCondition']['dx'], bool) and rel['appliedCondition']['dx']: liaisons['coeffs'].append((o[0][0], o[1][0], o[2][0], -o[0][0], -o[1][0], -o[2][0])) liaisons['dofs'].append(('DX', 'DY', 'DZ', 'DX', 'DY', 'DZ')) elif isinstance(rel['appliedCondition']['dx'], float) and rel['appliedCondition']['dx'] > 0: stiffnesses[0] = rel['appliedCondition']['dx'] if isinstance(rel['appliedCondition']['dy'], bool) and rel['appliedCondition']['dy']: liaisons['coeffs'].append((o[0][1], o[1][1], o[2][1], -o[0][1], -o[1][1], -o[2][1])) liaisons['dofs'].append(('DX', 'DY', 'DZ', 'DX', 'DY', 'DZ')) elif isinstance(rel['appliedCondition']['dy'], float) and rel['appliedCondition']['dy'] > 0: stiffnesses[1] = rel['appliedCondition']['dy'] if isinstance(rel['appliedCondition']['dz'], bool) and rel['appliedCondition']['dz']: liaisons['coeffs'].append((o[0][2], o[1][2], o[2][2], -o[0][2], -o[1][2], -o[2][2])) liaisons['dofs'].append(('DX', 'DY', 'DZ', 'DX', 'DY', 'DZ')) elif isinstance(rel['appliedCondition']['dz'], float) and rel['appliedCondition']['dz'] > 0: stiffnesses[2] = rel['appliedCondition']['dz'] if isinstance(rel['appliedCondition']['drx'], bool) and rel['appliedCondition']['drx']: liaisons['coeffs'].append((o[0][0], o[1][0], o[2][0], -o[0][0], -o[1][0], -o[2][0])) liaisons['dofs'].append(('DRX', 'DRY', 'DRZ', 'DRX', 'DRY', 'DRZ')) elif isinstance(rel['appliedCondition']['drx'], float) and rel['appliedCondition']['drx'] > 0: stiffnesses[3] = rel['appliedCondition']['drx'] if isinstance(rel['appliedCondition']['dry'], bool) and rel['appliedCondition']['dry']: liaisons['coeffs'].append((o[0][1], o[1][1], o[2][1], -o[0][1], -o[1][1], -o[2][1])) liaisons['dofs'].append(('DRX', 'DRY', 'DRZ', 'DRX', 'DRY', 'DRZ')) elif isinstance(rel['appliedCondition']['dry'], float) and rel['appliedCondition']['dry'] > 0: stiffnesses[4] = rel['appliedCondition']['dry'] if isinstance(rel['appliedCondition']['drz'], bool) and rel['appliedCondition']['drz']: liaisons['coeffs'].append((o[0][2], o[1][2], o[2][2], -o[0][2], -o[1][2], -o[2][2])) liaisons['dofs'].append(('DRX', 'DRY', 'DRZ', 'DRX', 'DRY', 'DRZ')) elif isinstance(rel['appliedCondition']['drz'], float) and rel['appliedCondition']['drz'] > 0: stiffnesses[5] = rel['appliedCondition']['drz'] rel['liaisons'] = liaisons rel['stiffnesses'] = tuple(stiffnesses) def calculateRestraints(self, conn): group = self.getGroupName(conn['ifcName']) o = np.array(conn['orientation']).transpose().tolist() liaisons = { 'groupNames': (group, group, group), 'coeffs': [], 'dofs': [] } stiffnesses = [0.0, 0.0, 0.0, 0.0, 0.0, 0.0] if not conn['appliedCondition']: conn['liaisons'] = liaisons conn['stiffnesses'] = tuple(stiffnesses) return if isinstance(conn['appliedCondition']['dx'], bool) and conn['appliedCondition']['dx']: liaisons['coeffs'].append((o[0][0], o[1][0], o[2][0])) liaisons['dofs'].append(('DX', 'DY', 'DZ')) elif isinstance(conn['appliedCondition']['dx'], float) and conn['appliedCondition']['dx'] > 0: stiffnesses[0] = conn['appliedCondition']['dx'] if isinstance(conn['appliedCondition']['dy'], bool) and conn['appliedCondition']['dy']: liaisons['coeffs'].append((o[0][1], o[1][1], o[2][1])) liaisons['dofs'].append(('DX', 'DY', 'DZ')) elif isinstance(conn['appliedCondition']['dy'], float) and conn['appliedCondition']['dy'] > 0: stiffnesses[1] = conn['appliedCondition']['dy'] if isinstance(conn['appliedCondition']['dz'], bool) and conn['appliedCondition']['dz']: liaisons['coeffs'].append((o[0][2], o[1][2], o[2][2])) liaisons['dofs'].append(('DX', 'DY', 'DZ')) elif isinstance(conn['appliedCondition']['dz'], float) and conn['appliedCondition']['dz'] > 0: stiffnesses[2] = conn['appliedCondition']['dz'] if isinstance(conn['appliedCondition']['drx'], bool) and conn['appliedCondition']['drx']: liaisons['coeffs'].append((o[0][0], o[1][0], o[2][0])) liaisons['dofs'].append(('DRX', 'DRY', 'DRZ')) elif isinstance(conn['appliedCondition']['drx'], float) and conn['appliedCondition']['drx'] > 0: stiffnesses[3] = conn['appliedCondition']['drx'] if isinstance(conn['appliedCondition']['dry'], bool) and conn['appliedCondition']['dry']: liaisons['coeffs'].append((o[0][1], o[1][1], o[2][1])) liaisons['dofs'].append(('DRX', 'DRY', 'DRZ')) elif isinstance(conn['appliedCondition']['dry'], float) and conn['appliedCondition']['dry'] > 0: stiffnesses[4] = conn['appliedCondition']['dry'] if isinstance(conn['appliedCondition']['drz'], bool) and conn['appliedCondition']['drz']: liaisons['coeffs'].append((o[0][2], o[1][2], o[2][2])) liaisons['dofs'].append(('DRX', 'DRY', 'DRZ')) elif isinstance(conn['appliedCondition']['drz'], float) and conn['appliedCondition']['drz'] > 0: stiffnesses[5] = conn['appliedCondition']['drz'] conn['liaisons'] = liaisons conn['stiffnesses'] = tuple(stiffnesses) if __name__ == '__main__': fileNames = ['cantilever_01', 'portal_01', 'grid_of_beams'] files = fileNames for fileName in files: BASE_PATH = '/home/jesusbill/Dev-Projects/github.com/IfcOpenShell/analysis-models/models/' DATAFILENAME = BASE_PATH + fileName + '/' + fileName + '.json' ASTERFILENAME = BASE_PATH + fileName + '/' + fileName + '.comm' COMMANDFILE(DATAFILENAME, ASTERFILENAME)