NeqSim is a library for calculation of fluid behavior, phase equilibrium and process simulation
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Skill Claude CodeCodex
Process safety methodology - barriers, PSFs/SCEs, HAZOP, LOPA, SIL per IEC 61511, integrated safety response, change revalidation, bow-tie, risk matrix, TR3001 overpressure studies, trapped-liquid rupture. USE WHEN: a task needs barrier registers, hazard identification, LOPA, SIF SIL assignment…
Skill Claude CodeCodex
Production optimization, bottleneck analysis, decline curves and history matching (Arps, Duong), material-balance surveillance (OGIP/OOIP, drive indices, aquifer) and IOR/EOR screening with NeqSim. USE WHEN: optimizing rates, finding facility bottlenecks, forecasting profiles, fitting decline curves, estimating…
Skill Claude CodeCodex
Engineering deliverable quality - the nine analytical-depth moves, results.json schema, figure-discussion-results traceability, evidence matrices, assumptions/gaps registers, citations, KaTeX, units, executive-summary structure, AACE class. USE WHEN: producing a task report, a PEPR/M1/root-cause report, a notebook…
Skill Claude CodeCodex
Reaction engineering patterns for NeqSim. USE WHEN: modeling chemical reactors (equilibrium, kinetic, CSTR, PFR), setting up reaction systems, analyzing conversion/selectivity, or designing reactor networks. Covers GibbsReactor (equilibrium), PlugFlowReactor (kinetic PFR), StirredTankReactor (CSTR), KineticReaction…
Skill Claude CodeCodex
Regression baseline management for NeqSim. USE WHEN: modifying solver logic, property correlations, or EOS implementations. Ensures changes don't silently degrade accuracy. Covers creating baseline fixtures, writing regression tests, and detecting accuracy drift.
Skill Claude CodeCodex
Relief and flare design - PSV sizing per API 520 (gas/liquid/two-phase, fire), API 521 fire heat input, flare load summation, tip sizing, radiation contours, header back-pressure and Mach, and the TR3001 overpressure-study engine. USE WHEN: PSV sizing, relief contingency analysis, thermal relief of trapped liquid…
Skill Claude CodeCodex
Root cause analysis for process equipment - Bayesian-style diagnosis combining reliability priors (IOGP/SINTEF, CCPS, IEEE 493, Lees, OREDA), historian evidence and NeqSim verification, including the control-loop correlation trap (difference both series, resolve direction from the lag sign). USE WHEN: diagnosing…
Skill Claude CodeCodex
Self-heating and spontaneous-ignition screening for reactive porous media (lagging fires) - Frank-Kamenetskii and Semenov criticality, critical thickness and surface temperature, induction time, Arrhenius fitting from basket tests (EN 15188 / ASTM E2021). USE WHEN: a flammable liquid leak onto insulation, oil-soaked…
Skill Claude CodeCodex
Industry standards lookup and compliance tracking for NeqSim engineering tasks. USE WHEN: any engineering task requires standards compliance (API, ISO, NORSOK, DNV, ASME, EN, ASTM), risk assessment, or safety analysis. Provides equipment-to-standards mapping, database query patterns, results.json schema for…
Skill Claude CodeCodex
Retrieves engineering documents (compressor curves, drawings, line lists, P&IDs, datasheets, vendor docs, material certificates, fire/PFP documents, piping specs) from local folders, uploads or pluggable backends such as stidapi. USE WHEN: a task needs vendor performance data, mechanical drawings, line-list route…
Skill Claude CodeCodex
Subsea systems, DNV-RP-F109 on-bottom stability, DNV-RP-F105 free span, DNV-RP-F101 corroded pipe, well design, SURF cost and tieback analysis with NeqSim. USE WHEN: designing subsea fields, screening pipeline/cable/umbilical stability or metal loss, sizing flowlines and umbilicals, estimating well cost, casing…
Skill Claude CodeCodex
Extracts structured engineering data from documents (PDF, Word, Excel, CSV) and drawings/images (P&IDs, datasheets, arrangements, performance maps). USE WHEN: a user provides datasheets, technical requirements, design basis, well tests, inspection reports, standards, vendor drawings, compressor maps, phase envelopes…
Skill Claude CodeCodex
Select and audit NeqSim thermodynamic initialization levels for correctness and performance. USE WHEN: implementing or reviewing flashes, phase stability, EOS root selection, process-equipment thermodynamics, property access, or performance changes involving init(...) or initProperties().
Skill Claude CodeCodex
Fire rupture studies for blocked-in liquid-filled pipe segments and blowdown pipe heat-up / strain-rate time-to-rupture. USE WHEN: a task involves trapped or blocked-in liquid, thermal expansion rupture, fire exposure without relief, PFP demand, flange/pipe rupture screening, a supplied blowdown pressure profile, or a…
Skill Claude CodeCodex
Troubleshooting playbook for common NeqSim failures. USE WHEN: a simulation fails to converge, produces unexpected results, throws exceptions, or gives zero/NaN values. Covers flash non-convergence, recycle divergence, equipment errors, phase identification issues, and numerical problems.
Skill Claude CodeCodex
Reads Honeywell UniSim Design / Aspen HYSYS .usc files via COM and converts them to NeqSim ProcessSystem / ProcessModule models. USE WHEN: a user has UniSim/HYSYS files to recreate or compare in NeqSim. Covers COM navigation, column feed/product connectivity, component mapping, E300 fluid transfer, the…
Skill Claude CodeCodex
Utility system specification — steam levels (HP/MP/LP), cooling water (CW supply/return ΔT), instrument air dryness, fuel gas composition, nitrogen purity, demineralized water, refrigeration. USE WHEN: a task requires utility duty consolidation, utility-system sizing, ESG/energy reporting, or selecting between utility…
Skill Claude CodeCodex
Screening-level utility-system design with NeqSim and the MCP designUtilities tool - fired Boiler, Deaerator, RefrigerationCycle, NitrogenSystem, multi-pressure SteamNetwork and the UtilitySystemDesigner that harvests demands from a run flowsheet. USE WHEN: sizing a utility duty/flow/power, estimating utility CO2 and…
Skill Claude CodeCodex
Water hammer and liquid hammer screening workflow for NeqSim. USE WHEN: evaluating fast valve closures, pump trips, check-valve slam, hydraulic surge, STID/P&ID route extraction, tagreader event windows, or MCP runWaterHammer studies. Covers WaterHammerPipe, WaterHammerStudy, STID route geometry, tagreader field-data…
Skill Claude CodeCodex
Use when: performing NeqSim wax calculations, wax appearance temperature (WAT), wax fraction versus temperature curves, wax precipitation, waxy-oil viscosity, wax model tuning, or wax inhibitor screening for flow assurance studies. Covers the verified Java and Python API setup for wax-forming oils with TBP and plus…
Skill Claude CodeCodex
Author scientifically rigorous chapters and papers where every quantitative claim is backed by a NeqSim simulation, regression test, or notebook. Covers the dual-boot setup cell, claim → test linkage, equation → Java method cross-references, units enforcement against nomenclature.yaml, and notebook-driven figure /…
Skill Claude CodeCodex
Extract and map engineering requirements from standards or approved standards.
Skill Claude CodeCodex
Define the PaperLab whole-book release workflow: audit order, blocker rules, render commands, artifact freshness checks, and release gate reporting.
Skill Claude CodeCodex
Extract publishable paper candidates from PaperLab books, including case studies, benchmark suites, review syntheses, workflows, and teaching datasets.
At most 3 mods per repository are shown here, and a mod shipped inside a plugin is left to that plugin's page — the rest are on their repository pages: