Process Modeling & Simulation
Steady-State and Dynamic Simulation for Complex Industrial Systems
Oxion Tech. provides advanced process modeling and simulation services that enable organizations to design, analyze, and optimize complex industrial systems before changes are implemented in the real plant.
We develop high-fidelity steady-state and dynamic process simulations for facilities across the oil & gas, chemical, LNG, hydrogen, and emerging energy transition sectors. Our models combine rigorous first-principles engineering with modern computational tools to create accurate digital representations of real industrial processes.
These simulations allow engineers to evaluate operating scenarios, validate control strategies, improve process performance, and reduce technical risk throughout the project lifecycle.
Steady-State Process Simulation
Steady-state simulations provide detailed representations of plant operation under stable conditions using rigorous mass and energy balances. These models are fundamental tools for process engineers during plant design, feasibility studies, and optimization efforts.
Our steady-state simulations support:
• Process flowsheet development and conceptual design
• Thermodynamic and energy balance analysis
• Equipment sizing and specification
• Debottlenecking and capacity expansion studies
• Process optimization and energy efficiency improvements
• Technology development and scale-up
Steady-state models form the foundation for deeper analysis and can be extended into dynamic simulations and digital twins to evaluate transient operating behavior.
Dynamic Process Simulation
Dynamic simulation models the time-dependent behavior of industrial systems, capturing how processes respond to disturbances, control actions, and operational changes.
Unlike steady-state models, dynamic simulations represent real operating conditions including startups, shutdowns, transient events, and equipment interactions. These models provide critical insights into process stability, safety, and controllability.
Oxion Tech specializes in high-fidelity dynamic simulation for complex process systems, enabling organizations to test designs and operational strategies in a virtual environment before implementation.
Dynamic simulation applications include:
• Startup and shutdown analysis
• Process disturbance and transient response analysis
• Control system design and validation
• Emergency and safety scenario evaluation
• Operator training simulations
• Process optimization and troubleshooting
These capabilities allow engineering teams to detect issues early, reduce commissioning risks, and improve operational performance.
Turbomachinery Dynamic Simulation
Dynamic simulation is particularly valuable for compressors, pumps, expanders, and other turbomachinery, where process dynamics and control interactions can significantly impact performance and reliability.
Our turbomachinery dynamic simulation services enable clients to:
• Validate compressor control strategies and anti-surge systems
• Analyze transient process disturbances
• Test startup and shutdown sequences
• Evaluate emergency and upset scenarios
• Optimize compressor operating ranges and performance
By integrating detailed process models with control system logic, engineers can validate system behavior before commissioning, reducing startup risks and minimizing costly field adjustments.
Dynamic Simulation for Complex Process Systems
In addition to turbomachinery applications, Oxion Tech has deep expertise in dynamic simulation of complex industrial processes.
These systems often involve strong thermodynamic interactions, multiphase behavior, and tightly coupled control systems that require advanced modeling techniques.
Our expertise includes dynamic simulation of:
• Cryogenic processes and LNG systems • Hydrogen production and liquefaction plants • Gas processing and separation systems • Advanced chemical processes and reactors • Integrated process and utility systems
These models enable full-system dynamic analysis, ensuring stable operation across all operating conditions.
Control System Validation & Functional Testing
Dynamic simulations can be integrated with control system emulation, enabling full functionality testing of process control strategies before plant startup.
This capability allows engineering teams to:
• Virtually test control logic before deployment • Validate safety and emergency shutdown procedures • Tune control loops and operating strategies • Reduce on-site commissioning time • Improve operator readiness through training simulations
Control system validation in a virtual environment significantly reduces operational risk and accelerates project execution.
Simulation Across the Project Lifecycle
Dynamic simulation delivers value throughout the entire project lifecycle—from early design to ongoing plant operations.
Engineering & FEED
• Evaluate design concepts and operating scenarios • Identify potential process constraints early
• Support equipment and instrumentation specification
EPC & Commissioning
• Pre-validate control strategies and operating procedures
• Test startup and shutdown sequences
• Reduce commissioning risks and on-site tuning
Operations & Optimization
• Troubleshoot complex operational issues
• Train plant operators using realistic scenarios
• Continuously improve plant performance
This simulation-driven approach enables better engineering decisions, faster project delivery, and improved operational readiness.
Key Benefits
✔ Improved process design and engineering decision-making
✔ Reduced commissioning and startup risks
✔ Faster project execution and implementation
✔ Lower engineering and development costs
✔ Enhanced operational reliability and safety
✔ Improved process efficiency and performance
Industry Applications
✔ Advanced chemical and petrochemical processes
✔ Hydrogen production including alkaline and PEM electrolysis
✔ Gas processing and cryogenic plants
✔ LNG and hydrogen liquefaction systems
✔ Renewable energy and renewable natural gas facilities
✔ Decarbonization and carbon capture technologies
✔ Industrial utilities and flare systems
Core Modeling Methodology
Our simulation projects follow a structured methodology to ensure accuracy and reliability.
- Data Collection – Gather process data, equipment specifications, and operating conditions.
- Model Development – Build detailed steady-state or dynamic simulations tailored to the process system.
- Validation & Calibration – Verify model accuracy using plant data and engineering validation.
- Simulation & Analysis – Evaluate operating scenarios, process performance, and system dynamics.
- Reporting & Recommendations – Deliver actionable insights and optimization strategies.
Tailored Modeling & Simulation Solutions
Oxion Tech delivers advanced modeling and simulation solutions tailored to the specific needs of each project, enabling organizations to analyze complex systems, validate designs, and optimize operational performance.
Flexible Engagement Models
On-Demand Support Expert modeling assistance for targeted simulation tasks, troubleshooting studies, or specialized engineering analysis.
Turnkey Simulation Solutions Fully developed and validated simulation models delivered ready for engineering studies, operational analysis, and long-term use by client teams.
Why Oxion Tech
With more than 80 years of combined engineering experience, our team specializes in solving complex simulation challenges for highly specialized industrial systems.
Unlike generic modeling services, we combine deep process engineering expertise with advanced simulation techniques to accurately represent complex processes and provide reliable insights for engineering and operations teams.
Whether supporting new technology development, optimization of existing facilities, or validation of control systems prior to commissioning, Oxion Tech delivers high-fidelity modeling solutions that enable smarter engineering decisions and more reliable operations.