Aspen HYSYS Dynamics: Введение в динамическое моделирование (Build, Optimize and Control Dynamic Process Models using Aspen HYSYS Dynamics)

Transitioning from Steady-state to Dynamic Mode

• Define dynamic pressure-flow specifications and enter equipment sizing data
• Understand the solving strategy and degrees of freedom analysis in Aspen HYSYS Dynamics
• Use the Dynamics Assistant tool to verify the preparedness of a simulation to be run in dynamic mode
• Workshop: Convert a Steady-state Model into a Dynamic Model

Controllers and Strip Charts

• Add and set up controllers in a dynamic model
• Create strip charts to monitor key process variables
• Workshop: Add controllers and Strip Charts

Dynamic Details

• Configure a control valve with detailed operating characteristics and actuator parameters
• Implement heat loss models for process vessels
• Select nozzle locations and account for the hydrostatic head contribution in pressure drop calculations
• Workshop: Dynamic Details

Expanding the Model

• Add unit operations directly in dynamic mode
• Initialize newly added unit operations in dynamic mode 
• Develop appropriate control strategies using split range and on-off controllers 
• Install a relief valve for vessel overpressure protection
• Workshop: Expanding the Model in Dynamic mode

Compressor Curves and Surge Control

• Robustly model compressors using performance curves
• Model rotating equipment in dynamic mode
• Implement surge control schemes for compressors
• Workshop: Compressor Curves and Surge Control 

Dynamic Column Modeling

• Convert a steady-state model containing distillation columns into a dynamic model
• Use the Column Internals tool to enter column geometry data and have it ready to run in dynamic mode
• Model an LPG distillation column in dynamic mode and implement an effective control strategy
• Workshop: Dynamic Column Modeling 

Column Pressure Relief

• Modify the condenser overhead structure of a distillation column to include rigorous heat transfer equipment
• Develop model-building techniques and follow best practices by adding operations and controllers to the dynamic model
• Install a relief valve to protect the column overhead system against pressurization / emergency scenarios
• Workshop: Configure a Column Pressure Safety Valve

The Event Scheduler and Cause & Effect Matrix

• Configure the Event Scheduler and Cause and Effect Matrix tools to automate an Aspen HYSYS Dynamics model
• Perform customized calculations in dynamic mode with the Spreadsheet operation
• Workshop: Fire Scenario with the Event Scheduler and Cause & Effect Matrix

User Variables and Linking Aspen Simulation Workbook to a Dynamic Simulation

• Learn how to define User Variables in Aspen HYSYS Dynamics
• Demonstrate the use of Aspen Simulation Workbook as a tool to link Aspen HYSYS Dynamics variables with Microsoft Excel
• Use ASW Profile Tables to monitor process variables in Excel
• Workshop: Create a Dynamic User Variable and Link Aspen Simulation Workbook to a Dynamic Model  

Pipeline Hydraulics

• Explain the basics of multiphase flow modeling in pipelines
• Review pipeline modeling options in Aspen HYSYS
• Build Aspen Hydraulics as an option for steady-state and dynamic pipeline modeling
• Workshop: Pipeline Hydraulics 

Activated Dynamic Compressor Surge

• Set up a compressor to perform dynamic surge analyses.
• Perform dynamic runs by only fully defining a compressor model in steady-state (skipping the necessary setup to depart to dynamic mode).
• Activate the analysis and run the dynamic scenario.
• Workshop: Activated Dynamic Compressor Surge