| """Release gates: invariants, continuous reference and independent mesh refinement.""" |
| import json,time |
| from pathlib import Path |
| import numpy as np |
| from assembly import load,solve |
| from components import assemble,save_component |
| from validate_pilot import monolithic |
| root=Path(__file__).resolve().parents[1] |
| report={'components':[],'continuous_references':[],'refinement':[]} |
| def write(): (root/'reports/release_validation.json').write_text(json.dumps(report,indent=2)) |
| for folder in sorted((root/'data/components').iterdir()): |
| c=load(folder); exact=12e-6*c['xyz'].ravel();q=np.r_[12e-6*c['ports'][0],[0,0,0],12e-6*c['ports'][1],[0,0,0]] |
| error=float(np.linalg.norm(c['C']@q+c['wT']-exact)/np.linalg.norm(exact)) |
| spec=c['spec'];length=spec['length'] if spec['kind']=='straight' else np.pi/2*spec['radius']+2*spec['stub'] |
| mass=np.pi*(spec['diameter']**2-(spec['diameter']-2*spec['thickness'])**2)/4*length*7850 |
| row={'id':spec['id'],'thermal_affine_relative_error':error,'mass_geometry_relative_error':float(abs(c['metrics']['mass_kg']/mass-1)),'rigid_residual':c['metrics']['rigid_residual']} |
| assert error<1e-7 and row['rigid_residual']<1e-8 and row['mass_geometry_relative_error']<.03,row |
| np.linalg.cholesky((c['Mr']+c['Mr'].T)/2) |
| report['components'].append(row) |
| write();print('48 component invariants passed',flush=True) |
| def get(kind,r,d=200,t=6):return load(root/f'data/components/{kind}-d{d:03d}-t{t:02d}-r{r}') |
| tests=[('L-gravity',[get('straight',5),get('elbow',2),get('straight',5)],[0,0,0],0),('L-thin-long',[get('straight',8,120,4),get('elbow',1.5,120,4),get('straight',8,120,4)],[0,0,0],0),('spatial-gravity',[get('straight',3),get('elbow',3),get('straight',3),get('elbow',2),get('straight',3)],[0,0,0,np.pi/2,0],0)] |
| for name,chain,rolls,temp in tests: |
| print('continuous reference',name,flush=True);a=solve(chain,rolls=rolls,deltaT=temp);b=monolithic(chain,deltaT=temp,rolls=rolls) |
| row={'name':name,'rom_tip':a['displacements'][-1][-1].tolist(),'full_tip':b['tip'],'tip_relative_error':float(np.linalg.norm(a['displacements'][-1][-1]-b['tip'])/np.linalg.norm(b['tip'])),'frequency_relative_errors':abs(a['frequency']/b['frequencies']-1).tolist(),'reference_dofs':b['dofs']} |
| report['continuous_references'].append(row);write();print(row,flush=True) |
| |
| assert row['tip_relative_error']<.05 and max(row['frequency_relative_errors'][:3])<.05,row |
| for kind,ratio in [('straight',5),('elbow',2)]: |
| base=get(kind,ratio);spec=dict(base['spec']);spec.update(id='refined-'+kind,ns=36,nt=32,nr=2,modes=18) |
| print('refining',kind,flush=True);c=assemble(spec);save_component(c,root/'data/refinement'/kind) |
| coarse=solve([base],deltaT=0);fine=solve([c],deltaT=0) |
| row={'kind':kind,'coarse_dofs':base['metrics']['dofs'],'fine_dofs':c['metrics']['dofs'],'tip_relative_error':float(np.linalg.norm(coarse['displacements'][0][-1]-fine['displacements'][0][-1])/np.linalg.norm(fine['displacements'][0][-1])),'frequency_relative_errors':abs(coarse['frequency']/fine['frequency']-1).tolist()} |
| report['refinement'].append(row);write();print(row,flush=True) |
| assert row['tip_relative_error']<.05 and max(row['frequency_relative_errors'][:3])<.05,row |
| report['passed']=True;write();print('RELEASE GATES PASSED',flush=True) |
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