Process Flowsheet Convergence in Aspen Plus

Course ID : EAP2121

Duration In-class (в days) : 1 day

Duration Online : 1 day

Сurriculum : in-class, Virtual Instructor-Led Training - ONLINE

Price : $645

Overview

Review and analyze convergence and optimization features in Aspen Plus sequential run mode and learn how to solve convergence problems.

Enables the attendee to develop more robust and efficient models of complex flowsheets.

Audience for this course

Aspen Plus users who routinely work with complex flowsheets involving recycle streams, Design-Specs, Fortran blocks, or optimization

Prerequisites for this course

Must have attended the ‘Process Modeling Using Aspen Plus’ training course

Familiarity with the Aspen Plus graphical user interface Previous exposure to convergence issues within Aspen Plus will be beneficial

Outcomes

Benefits

Enables the attendee to develop more robust and efficient models of complex flowsheets Enables the attendee to efficiently optimize existing flowsheets

Outline

Introduction

Review and explain the sequential modular strategy
Review and explain the features of the control panel and the information it displays

Tear Streams

Review and explain how Aspen Plus analyzes the flowsheet, identify the tear streams
Review and explain the different settings for tear streams (variables, component groups, tolerance, tear stream selection, reconcile feature)
Workshop: Change an existing simulation to handle tear stream convergence.

Design Specs

Review and explain how convergence of design specifications is handled
Review and explain the Secant method and its parameters
Review and identify some design specification convergence problems
Workshop: Troubleshoot design specifications.

Convergence Blocks

Review and explain how to configure the convergence methods
Review and explain how to specify the calculation sequence
Workshop: Compare various convergence methods and sequencing options.

Calculator Blocks

Review and explain calculator blocks (information flow, tear variables)

Convergence Troubleshooting

Identify common convergence problems in Sequential Modular mode
Review how to solve common convergence problems
Workshop: Apply troubleshooting advice to various convergence problems.

Performing SM Optimization in Aspen Plus

Review and explain the capabilities and use of Optimization in Sequential Modular (SM) mode
Workshop: Setup an Optimization case in Aspen Plus Sequential Modular run mode.