File size: 3,519 Bytes
fc468a5 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 | """Power-piping research geometries: new solid FE operators, not scaled old labels.
Only the main-steam section derives from a published dimension calculation.
Other sections, routes and elastic properties are explicitly benchmark choices.
"""
from pathlib import Path
import json, time
import numpy as np
from components import assemble, save_component, tube_mesh
from assembly import load, solve
from generate import export
ROOT=Path(__file__).resolve().parents[1]
FAMILIES=[
dict(id='main-steam',zh='主蒸汽',en='Main steam',diameter=.450,thickness=.060,temperature=546,
young=170e9,alpha=13e-6,source='https://www.energychina.press/article/doi/10.16516/j.gedi.issn2095-8676.2019.04.007',
basis='Table 9: ID 330 mm + calculated wall 60 mm, without corrosion allowance. OD 450 mm is derived; not an as-built purchased section.'),
dict(id='hot-reheat',zh='再热热段',en='Hot reheat',diameter=.800,thickness=.030,temperature=546,
young=170e9,alpha=13e-6,source=None,basis='Author-selected large-diameter research section; not a plant specification.'),
dict(id='cold-reheat',zh='再热冷段',en='Cold reheat',diameter=.800,thickness=.020,temperature=330,
young=190e9,alpha=12.5e-6,source=None,basis='Author-selected research section; not a plant specification.'),
dict(id='feedwater',zh='高压给水',en='High-pressure feedwater',diameter=.450,thickness=.050,temperature=280,
young=195e9,alpha=12.5e-6,source=None,basis='Author-selected thick-wall research section; not a plant specification.'),
]
def specs(f):
d=f['diameter']
for kind,ratios in [('straight',[3,5,8]),('elbow',[1.5,2,3])]:
for ratio in ratios:
yield dict(id=f"power-{f['id']}-{kind}-r{ratio}",family=f['id'],kind=kind,
diameter=d,thickness=f['thickness'],length=ratio*d if kind=='straight' else 4*d,
radius=ratio*d if kind=='elbow' else 2*d,stub=2*d if kind=='elbow' else 0,
ns=24,nt=24,nr=2,modes=12,young=f['young'],alpha=f['alpha'],density=7850.,poisson=.3,
material_basis='Constant effective elastic benchmark properties; no grade-specific certification or temperature evolution.')
def main():
start=time.time(); entries=[]
for f in FAMILIES:
for spec in specs(f):
folder=ROOT/'data/components'/spec['id']
if (folder/'metadata.json').exists():c=load(folder)
else:
c=assemble(spec)
assert np.isfinite(c['Kr']).all() and c['metrics']['rigid_residual']<1e-8
save_component(c,folder)
xyz,cells,ports=tube_mesh(**{k:v for k,v in spec.items() if k in ['kind','length','radius','diameter','thickness','ns','nt','nr','stub']})
np.savez_compressed(folder/'mesh.npz',coordinates=xyz,cells=cells,ports=ports)
(ROOT/'web/data'/f"{spec['id']}.json").write_text(json.dumps(export(c),separators=(',',':')))
entries.append(dict(**spec,file=spec['id']+'.json',mass_kg=c['metrics']['mass_kg']))
print(spec['id'],round(time.time()-start,1),flush=True)
path=ROOT/'web/data/catalog.json';catalog=json.loads(path.read_text())
catalog['components']=[x for x in catalog['components'] if not x['id'].startswith('power-')]+entries
catalog['powerFamilies']=FAMILIES
path.write_text(json.dumps(catalog,ensure_ascii=False,indent=2))
(ROOT/'data/power_families.json').write_text(json.dumps(FAMILIES,ensure_ascii=False,indent=2))
if __name__=='__main__':main()
|