I will develop custom blocks and specialized models in aspen custom modeler
Operations Driven Process Simulation Engineer, PhD
About this Gig
Hello, Im Dr. Taha!
Standard simulation blocks have limits, your innovation shouldn't. As a Process Engineer with a Ph.D. in Refining Engineering, I specialize in process modelling using Aspen Custom Modeler (ACM).
If your process involves proprietary kinetics, non-standard thermodynamics, or specialized equipment that Aspen HYSYS or Plus cannot simulate out-of-the-box, I will build the mathematical model from the ground up.
I help you with:
- Custom Unit Operations
- Aspen Plus/HYSYS Integration
- Advanced Kinetics
- Dynamic Simulation
- Model Calibration
Why choose a Ph.D. for your ACM project?
- ACM is equation-oriented; I understand the numerical solvers and convergence strategies required to make models stable.
- My background in Oil & Gas ensures the models are not just theoretically sound, but practically applicable.
- I ensure your custom blocks integrate nicely with standard HYSYS/Plus property packages.
ACM projects are highly technical. Please message me to discuss the details of your project or experimental data before placing an order.
Subject:
Chemical engineering
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My Portfolio
FAQ
Can you export the ACM model to Aspen HYSYS or Aspen Plus?
Yes. I can compile the model into an .msi or .dll file, allowing you to use your custom equipment as a standard block within your HYSYS or Aspen Plus flowsheets.
Do I need to provide the equations, or can you derive them?
If you have the equations, the process is faster. However, as a Ph.D. in Engineering, I can derive the governing Differential and Algebraic Equations (DAEs) based on the physics of your process for an additional fee.
Can you handle dynamic (time-dependent) modeling?
Absolutely. ACM is native to Equation-Oriented (EO) modeling, making it superior for dynamic studies, start-up/shutdown procedures, and control system validation.
How do you handle convergence issues?
Convergence is the biggest challenge in ACM. I specialize in setting up "Initial Scripts" and optimizing "Variable Bounds" to ensure the model solves reliably even with complex recirculations.
What version of AspenTech software do you use?
I typically work with the latest versions (V14), but I can ensure backward compatibility if you specify your version requirements beforehand.

