How to Design and Optimize Processes with Aspen HYSYS for Free
Aspen HYSYS: The Industry's Leading Process Simulation Software
If you are a chemical engineer, a process engineer, or a plant operator, you probably have heard of or used Aspen HYSYS, the energy industry's leading process simulation software. But what exactly is Aspen HYSYS and what can it do for you? In this article, we will give you an overview of this powerful software, show you how to get it for free, and guide you through the installation and usage process. We will also share some tips and resources on how to learn more about Aspen HYSYS and become an expert user.
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What is Aspen HYSYS and what can it do?
Aspen HYSYS is a chemical process simulator that is currently developed by AspenTech, a leading provider of software solutions for the process industries. Aspen HYSYS can be used to mathematically model chemical processes, from unit operations to full chemical plants and refineries. It can perform many of the core calculations of chemical engineering, such as mass balance, energy balance, vapor-liquid equilibrium, heat transfer, mass transfer, chemical kinetics, fractionation, and pressure drop.
Aspen HYSYS can be used to address engineering challenges in various domains, such as multiphase flow modeling, gas processing, refining, LNG, upstream production, midstream transportation, downstream distribution, petrochemicals, specialty chemicals, bulk chemicals, etc. It can also be used to optimize processes in terms of safety, sustainability, profitability, performance, design, operation, control, etc.
Why use Aspen HYSYS for process optimization and design?
Aspen HYSYS is not just a simulation tool; it is also a process optimization and design platform. It offers many advantages over traditional methods of process engineering, such as:
Accuracy: Aspen HYSYS uses industry-validated thermodynamic models and rigorous equipment models that can accurately predict the behavior of complex processes under various conditions.
Speed: Aspen HYSYS has a user-friendly interface that allows for rapid flowsheet construction and modification. It also has powerful solvers that can quickly converge simulations and provide results.
Versatility: Aspen HYSYS can handle a wide range of processes and applications with its broad array of features and functionalities such as heat exchanger design and rating, distillation column design and rating, dynamic simulation and control, reactor modeling and optimization, energy management and optimization, etc.
Integration: Aspen HYSYS can be integrated with other AspenTech products and third-party software to enable seamless data exchange and workflow automation. For example, Aspen HYSYS can be linked with Aspen Plus for advanced process modeling, Aspen Economic Evaluation for economic analysis, Aspen Flare System Analyzer for flare system design, Aspen Capital Cost Estimator for capital cost estimation, etc.
By using Aspen HYSYS, you can save time and money, improve process performance and quality, reduce environmental impact and emissions, enhance safety and reliability, and gain a competitive edge in the process industry.
What are the main features and benefits of Aspen HYSYS?
Aspen HYSYS has many features and benefits that make it a valuable tool for process engineers. Here are some of the main ones:
Fluid Property Package Manager: This feature allows you to select the best thermodynamic model for your process from a library of over 100 fluid property packages. You can also create your own custom fluid property packages or import them from external sources. You can also define the composition and properties of your process streams using various methods, such as pure components, pseudo-components, assays, oil characterization, etc.
Unit Operation Models: This feature allows you to model various unit operations in your process using rigorous or shortcut methods. You can choose from over 200 unit operation models, such as pumps, compressors, valves, pipes, separators, heat exchangers, reactors, columns, etc. You can also customize the unit operation models or create your own using the Custom Modeler feature.
Flowsheet Environment: This feature allows you to build and modify your process flowsheet using drag-and-drop functionality. You can easily connect your unit operations and streams using graphical tools. You can also use the Worksheet feature to view and edit the input and output data of your unit operations and streams. You can also use the Flowsheet Options feature to set the global parameters and options for your simulation.
Solver Engine: This feature allows you to run your simulation and obtain the results using various solver modes and methods. You can choose from steady-state or dynamic simulation modes, sequential or simultaneous solver methods, pressure-driven or flow-driven solver modes, etc. You can also use the Convergence Assistant feature to troubleshoot any convergence issues in your simulation.
Result Analysis Tools: This feature allows you to analyze and optimize your simulation results using various tools and features. You can use the Stream Table feature to view the summary of your stream properties and compositions. You can use the Case Study feature to perform sensitivity analysis or parametric studies on your simulation variables. You can use the Optimization feature to find the optimal values of your decision variables that maximize or minimize an objective function. You can use the Data Regression feature to fit experimental data to a model equation. You can use the Report feature to generate customized reports of your simulation results.
How to Get Aspen HYSYS for Free
If you are interested in trying out Aspen HYSYS for yourself, you might be wondering how to get it for free. Unfortunately, there is no official way to get a full version of Aspen HYSYS for free, as it is a commercial software that requires a license fee. However, there are some options that you can explore to get a free trial or access some free resources on Aspen HYSYS. Here are some of them:
How to sign up for a one-day online trial of Aspen HYSYS
If you want to get a taste of what Aspen HYSYS can do for you, you can sign up for a one-day online trial of Aspen HYSYS through the AspenTech website. To do this, you need to fill out a form with your personal and professional details, such as your name, email address, phone number, company name, industry sector, etc. You also need to agree to the terms and conditions of the trial. Once you submit the form, you will receive an email with a link to access the online trial of Aspen HYSYS. The online trial is hosted on a cloud server that runs Aspen HYSYS on a web browser. You can use the online trial for 24 hours from the time you receive the email.
The online trial of Aspen HYSYS allows you to explore some of the basic features and functionalities of the software, such as creating and running a simple flowsheet, defining the fluid properties, adding and configuring the unit operations, viewing the results, etc. However, the online trial has some limitations, such as:
You cannot save or export your simulation files.
You cannot access the advanced features and functionalities of Aspen HYSYS, such as dynamic simulation, heat exchanger design and rating, reactor modeling and optimization, etc.
You cannot integrate Aspen HYSYS with other AspenTech products or third-party software.
You cannot use your own data or models in the online trial.
The online trial of Aspen HYSYS is a good way to get a quick overview of the software, but it is not enough to fully appreciate its capabilities and potential. If you want to get a more in-depth and hands-on experience with Aspen HYSYS, you will need to get a full version of the software with a valid license.
How to access free e-learning and webinars on Aspen HYSYS
If you want to learn more about Aspen HYSYS and how to use it effectively, you can access some free e-learning and webinars on Aspen HYSYS through the AspenTech Learning Center. The AspenTech Learning Center is an online platform that provides various learning resources and courses on AspenTech products, including Aspen HYSYS. You can find some free e-learning and webinars on Aspen HYSYS under the categories of "Process Modeling" and "Energy". Some examples of the free e-learning and webinars are:
Introduction to Aspen HYSYS: This e-learning course covers the basics of Aspen HYSYS, such as the user interface, the fluid property package manager, the unit operation models, the flowsheet environment, the solver engine, and the result analysis tools. It also includes some exercises and quizzes to test your knowledge.
Aspen HYSYS: Process Modeling: This webinar series covers various topics on process modeling using Aspen HYSYS, such as gas processing, LNG modeling, refinery modeling, upstream production modeling, etc. It also includes some demonstrations and examples of how to use Aspen HYSYS for different applications.
Aspen HYSYS: Process Optimization: This webinar series covers various topics on process optimization using Aspen HYSYS, such as case studies, optimization tools, data regression tools, energy management tools, etc. It also includes some demonstrations and examples of how to use Aspen HYSYS for different optimization scenarios.
To access the free e-learning and webinars on Aspen HYSYS, you need to register for a free account on the AspenTech Learning Center. You can also browse through other learning resources and courses on AspenTech products that might interest you. However, keep in mind that most of the learning resources and courses on the AspenTech Learning Center are not free; they require a subscription fee or a license fee. If you want to access them, you will need to purchase them or get them through your employer or academic institution.
What are the limitations and risks of using free versions of Aspen HYSYS?
As you can see, there are some ways to get a free trial or access some free resources on Aspen HYSYS. However, these options have some limitations and risks that you should be aware of before using them. Some of these limitations and risks are:
Limited functionality: The free versions of Aspen HYSYS do not have all the features and functionalities that the full version has. You might not be able to model or optimize your process as accurately or efficiently as you would with the full version.
Limited duration: The free versions of Aspen HYSYS have a limited duration of use. You might not be able to complete your project or task within the time frame that the free version allows.
Limited support: The free versions of Aspen HYSYS do not have the same level of support and help that the full version has. You might not be able to get answers or solutions to your questions or problems from AspenTech or the user community.
Limited updates: The free versions of Aspen HYSYS do not have the same frequency and quality of updates that the full version has. You might not be able to benefit from the latest improvements and enhancements that AspenTech makes to its products.
Potential security issues: The free versions of Aspen HYSYS might not have the same level of security and protection that the full version has. You might expose your computer or data to viruses, malware, hackers, or other threats by downloading or using unverified or unauthorized sources of Aspen HYSYS.
Potential legal issues: The free versions of Aspen HYSYS might not have the same level of legality and compliance that the full version has. You might violate the terms and conditions of AspenTech or the intellectual property rights of other parties by using or distributing unauthorized or pirated copies of Aspen HYSYS.
Therefore, while the free versions of Aspen HYSYS might seem tempting, they are not worth the hassle and risk in the long run. If you are serious about using Aspen HYSYS for your professional or academic purposes, you should invest in getting a full version of the software with a valid license. This way, you can enjoy all the benefits and features that Aspen HYSYS has to offer, without compromising on quality, security, or legality.
How to Install and Use Aspen HYSYS
If you have decided to get a full version of Aspen HYSYS with a valid license, you might be wondering how to install and use it on your computer. In this section, we will guide you through the installation and usage process of Aspen HYSYS, step by step.
What are the system requirements and prerequisites for installing Aspen HYSYS?
Before you install Aspen HYSYS on your computer, you need to make sure that your computer meets the minimum system requirements and prerequisites for running the software. According to the AspenTech website, these are the minimum system requirements and prerequisites for installing Aspen HYSYS:
Operating system: Windows 10 (64-bit) or Windows Server 2016 (64-bit).
Processor: Intel Core i5 or equivalent.
Memory: 8 GB RAM or more.
Disk space: 20 GB free disk space or more.
Display: 1280 x 1024 resolution or higher.
Internet connection: Required for installation, activation, and updates.
Licensing system: Sentinel RMS License Manager 9.6.0 or higher.
If your computer does not meet these minimum system requirements and prerequisites, you might experience performance issues or errors when installing or using Aspen HYSYS. Therefore, it is recommended that you upgrade your computer or use a different computer that meets these minimum system requirements and prerequisites before installing Aspen HYSYS.
How to download and install Aspen HYSYS on your computer?
To download and install Aspen HYSYS on your computer, you need to follow these steps:
Download the installation file: You can download the installation file of Aspen HYSYS from the AspenTech Support Center. To access the AspenTech Support Center, you need to have a valid account with AspenTech. If you do not have an account, you can create one by registering with your personal and professional details. Once you log in to the AspenTech Support Center, you can find the installation file of Aspen HYSYS under the "Downloads" section. You can choose the version and language of Aspen HYSYS that you want to download. The installation file is a ZIP file that contains several subfolders and files. You need to extract the ZIP file to a local folder on your computer.
Install the licensing system: Before you install Aspen HYSYS, you need to install the licensing system that is required for activating and running the software. The licensing system is called Sentinel RMS License Manager, which is included in the installation file of Aspen HYSYS. To install Sentinel RMS License Manager, you need to run the setup.exe file that is located in the subfolder called "LicenseManager". You need to follow the instructions on the screen to complete the installation process. You might need to restart your computer after installing Sentinel RMS License Manager.
Install Aspen Hysys: After installing Sentinel RMS License Manager, you can install Aspen Hysys by running the setup.exe file that is located in the subfolder called "AspenHysys". You need to follow the instructions on the screen to complete the installation process. You might need to enter your license information during the installation process. You can find your license information in an email that you received from AspenTech when you purchased or subscribed to Aspen Hysys. You might also need to restart your computer after installing Aspen Hysys.
Congratulations! You have successfully installed Aspen Hysys on your computer. You can now start using it for your process simulation needs. How to start a new case and define the fluid package in Aspen HYSYS
To start a new case and define the fluid package in Aspen HYSYS, you need to follow these steps:
Start a new case: You can start a new case by clicking on the "File" menu and selecting "New". You will see a dialog box that asks you to choose a template for your new case. You can choose from various templates that are suitable for different applications, such as gas processing, refining, LNG, etc. You can also choose a blank template if you want to start from scratch. You can also give a name and a description to your new case. Once you choose a template and click on "OK", you will see a blank flowsheet window where you can build your process.
Define the fluid package: The fluid package is the set of thermodynamic models and parameters that are used to calculate the properties and behavior of your process fluids. You can define the fluid package by clicking on the "Simulation Basis Manager" icon on the toolbar. You will see a dialog box that shows the default fluid package that is assigned to your case based on the template that you chose. You can modify the default fluid package or create a new one by clicking on the "Add" button. You will see another dialog box that allows you to select the fluid property package, the components, and the hypotheticals for your fluid package. You can choose from various fluid property packages that are suitable for different types of fluids, such as Peng-Robinson, Soave-Redlich-Kwong, NRTL, UNIQUAC, etc. You can also add or remove components from your fluid package using various methods, such as pure components, pseudo-components, assays, oil characterization, etc. You can also define hypothetical components that are not available in the component database using various methods, such as molecular weight and normal boiling point, critical properties, etc. Once you define your fluid package, you can click on "OK" to save it and apply it to your case.
You have now started a new case and defined the fluid package in Aspen HYSYS. You can now proceed to add components, streams, and unit operations to your flowsheet. How to add components, streams, and unit operations in Aspen HYSYS
To add components, streams, and unit operations in Aspen HYSYS, you need to follow these steps:
Add components: You can add components to your flowsheet by dragging and dropping them from the "Component Palette" window to the flowsheet window. The "Component Palette" window shows the list of components that are available in your fluid package. You can also search for a component by typing its name or formula in the search box. You can also add a component by right-clicking on the flowsheet window and selecting "Add Component". You will see a dialog box that allows you to select a component from your fluid package or from the component database. Once you add