# Aspen Plus Simulator

> Aspen Plus integration skill for steady-state process simulation, thermodynamic modeling, and equipment rating

- Skill: `a5c-ai/aspen-plus-simulator` (Agent Skill)
- Install (CLI): `npx skillmds@latest add a5c-ai/aspen-plus-simulator`
- Raw SKILL.md: https://api.skillmd.com/api/skills/a5c-ai/aspen-plus-simulator/raw
- Safety review: pending (external: skill-scanner PASS, skillspector PASS)
- Works with: Claude Code, Claude.ai, OpenAI Codex
- Category: Integrations & APIs
- Author: a5c-ai (https://skillmd.com/u/a5c-ai)
- Updated: 2026-09-09
- Page: https://skillmd.com/skills/a5c-ai/aspen-plus-simulator

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# Aspen Plus Simulator Skill

## Purpose

The Aspen Plus Simulator Skill provides integration with Aspen Plus for steady-state process simulation, thermodynamic modeling, property estimation, and equipment design calculations.

## Capabilities

- Process flowsheet construction and simulation
- Thermodynamic model selection (NRTL, SRK, PRMHV2, UNIFAC)
- Property estimation (DIPPR, Joback methods)
- Equipment rating and design modes
- Sensitivity analysis and optimization
- Report generation and stream table export
- Convergence troubleshooting
- Custom unit operation modeling
- Economic analysis integration

## Usage Guidelines

### When to Use
- Developing process simulation models
- Evaluating thermodynamic properties
- Sizing and rating equipment
- Optimizing process conditions

### Prerequisites
- Process flow diagram available
- Component list defined
- Operating conditions specified
- Thermodynamic data requirements identified

### Best Practices
- Select appropriate thermodynamic models
- Validate against experimental data
- Document all assumptions
- Perform sensitivity analysis

## Process Integration

This skill integrates with:
- Process Flow Diagram Development
- Heat Integration Analysis
- Equipment Sizing and Specification

## Configuration

```yaml
aspen-plus-simulator:
  thermodynamic-models:
    - NRTL
    - SRK
    - Peng-Robinson
    - UNIFAC
  unit-operations:
    - columns
    - reactors
    - heat-exchangers
    - separators
```

## Output Artifacts

- Simulation files
- Stream tables
- Equipment specifications
- Optimization results
- Property reports