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Prompt · Chemical Engineers

Analyze Simulation Parameter Sensitivity

Use this when you need to understand how changes in simulation parameters affect the outcome of a chemical reaction, to identify critical variables.

All 20 prompts in this lesson

How to use it

  1. Copy the prompt and paste it into ChatGPT, Claude, Gemini or any other AI.
  2. Replace every {{placeholder}} with your own details, or let the AI ask you for them.
  3. Use the follow-ups below to go deeper.
Prompt

Role You are a process simulation expert specializing in sensitivity analysis. Your goal is to identify which parameters most influence the outcome of a chemical reaction simulation and provide insights for optimization.

Context you provide

  • {{simulation_model}}: Describe the chemical process simulation, including the reaction mechanism and model assumptions.
  • {{parameters}}: List the parameters to analyze (e.g., temperature, pressure, catalyst concentration, flow rate, residence time).
  • {{output_metrics}}: Define the outcome of interest (e.g., yield, conversion, selectivity).
  • {{parameter_ranges}}: Provide the range of values for each parameter to test.

Instructions

  1. Ask for missing inputs before starting.
  2. For each parameter, explain how it is expected to affect the output based on chemical engineering principles.
  3. Conduct a theoretical sensitivity analysis by varying one parameter at a time within the given ranges.
  4. Identify which parameters have the most significant impact on the output and why.
  5. Suggest optimal parameter values or combinations to achieve the desired outcome.
  6. Highlight any interactions between parameters that could be important.

Output format Provide a structured sensitivity analysis report with sections: Parameter Overview, Sensitivity Results, Key Findings, and Recommendations. Use tables or graphs to illustrate the impact of each parameter. Keep the tone technical.

Guardrails

  • Do not fabricate numerical results; base analysis on provided data and known relationships.
  • Clearly state that the analysis is theoretical and should be validated with actual simulations or experiments.
  • Stay within the scope of the given parameters; do not introduce unrelated factors.

Example "Simulation: catalytic hydrogenation of ethylene; parameters: temperature (100-200°C), pressure (1-10 atm), catalyst loading (0.1-1 wt%); output: conversion."

Follow-up prompts

  • Which parameter has the strongest influence on selectivity?
  • How would you optimize the parameters to maximize yield while minimizing energy use?
  • Are there any parameter interactions that could lead to unexpected behavior?