source/check_power.cjs

const fs=require('node:fs'),path=require('node:path'),{solve}=require('../web/solver.js');
const root=path.join(__dirname,'..'),rows=fs.readFileSync(path.join(root,'data/assemblies/power_sections.jsonl'),'utf8').trim().split('\n').map(JSON.parse),cache={};
const get=id=>cache[id]||(cache[id]=JSON.parse(fs.readFileSync(path.join(root,'web/data',id+'.json'))));
let maxQ=0,maxF=0;let sweeps=[];
for(const row of rows){const request={components:row.component_ids.map(get),rolls:row.rolls_rad,deltaT:row.delta_temperature_K,gravity:row.gravity_m_s2,supports:row.supports};
 const r=solve(request);const qe=Math.hypot(...r.q.map((v,i)=>v-row.port_displacements_SI[i]))/Math.max(1e-12,Math.hypot(...row.port_displacements_SI));
 const fe=Math.max(...r.frequency.map((v,i)=>Math.abs(v/row.frequencies_Hz[i]-1)));maxQ=Math.max(maxQ,qe);maxF=Math.max(maxF,fe);
 if(qe>1e-6||fe>1e-6)throw Error(JSON.stringify({id:row.id,qe,fe}));
 if(row.shape==='spatial'&&row.delta_temperature_K===100){const harmonic={node:row.component_ids.length,axis:1,force:1000,frequency:r.frequency[0],zeta:.02,damper:{node:row.component_ids.length,axis:1,c:10000}};const h=solve({...request,harmonic}).harmonic;sweeps.push({id:row.id,component_ids:row.component_ids,rolls:row.rolls_rad,supports:row.supports,harmonic:h});}
}
fs.writeFileSync(path.join(root,'reports/power_browser.json'),JSON.stringify({passed:true,cases:rows.length,max_displacement_relative_error:maxQ,max_frequency_relative_error:maxF},null,2));
fs.writeFileSync(path.join(root,'data/dynamics/power_harmonic.json'),JSON.stringify(sweeps));console.log({cases:rows.length,maxQ,maxF,sweeps:sweeps.length});