Transient Modelling With ASPEN HYSYS Dynamics


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Before the start-up of any process system or the implementation of design/operating strategies, it is critical to use transient modelling to understand the dynamics of the process, evaluate and tune the strategies, verify process control schemes etc. Also, as plant engineers gain improved understanding of plant operability issues through the use of dynamic modelling, product specifications will be met more regularly and unnecessary down times will be avoided.

This course is developed to help participants gain confidence in transient modelling using HYSYS dynamics. It consists of hands-on workshops using project-based examples.
Familiarity with steady state modelling using Aspen HYSYS is an essential pre-requisite.


Course Objectives

Upon completion of the course, participants will be able to:

  • Build and run transient models in HYSYS Dynamics
  • Convert steady state models to dynamics effectively and analyse the model
  • Understand different theory required for dynamic modelling
  • Perform compressor surge control and distillation column control
  • Use HYSYS Dynamics to perform safety studies and size relief valve
  • Evaluate operational issues like startup, shutdown, ramp-up etc
  • Use Event Scheduler to build automated sequences in HYSYS Dynamics and evaluate Emergency Shutdown Systems (ESD)
  • Effectively use the BLOWDOWN technology in Aspen HYSYS to model depressurisation
  • Understand best practices in dynamic modelling


Course Content Summary

Some of the course topics are:

  • Getting started in steady state
  • Understanding pressure flow theory
  • Transitioning from steady state to dynamics
  • Understanding basic control theory
  • Understanding dynamic details
  • Event scheduler and evaluation of Emergency Shutdown Systems (ESD)
  • Controller tuning
  • Safety studies
  • Operational studies like start-up, shutdown, ramp-up, turndown etc
  • BLOWDOWN technology in Aspen HYSYS
  • Cause & effect matrix
  • Dynamic modelling tips & tricks, best practices & troubleshooting
  • Case studies and daily workshop

Target Audience

  • Process engineers
  • Plant engineers
  • Research and development (R&D) professionals
  • Flow assurance engineers


Course Period

  • Option 1: Weekends (4 Saturdays, 8am to 7pm)
  • Option 2: Weekdays (5 days – 8am to 5pm)


Course Level: Introductory/Intermediate


Price (Including VAT): N650,000


Additional information

Course Period

Option 1: Weekends (4 Saturdays, 8am to 7pm), Option 2: Weekdays (5 days – 8am to 5pm)


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