# Flow Science News & Events

The one-stop center for all Flow Science news, from software releases and upcoming webinars to user conferences and recent publications.

# What's New in FLOW-3D (x) 2022R1

FLOW-3D (x) 2022R1 marks a significant development upgrade to the workflow automation and design optimization capabilities of FLOW-3D (x). The development objectives for this release center around performance and improved user experience.

FLOW-3D (x) is a powerful, versatile, and intuitive connectivity and automation platform, which includes a native optimization engine specifically designed for CFD applications. Whether you want to automate running FLOW-3D models through a parameter sweep, extracting key data to create post-processing deliverables, or you want to run dedicated optimization projects, refining geometry from dynamically connect CAD models or by sweeping through flow conditions, FLOW-3D (x) has all the features needed to perform these tasks in a clear and efficient manner. Remote execution, running simulations in parallel, and fully integrated batch post-processing are some of the new features that make FLOW-3D (x) 2022R1 an integral tool for our FLOW-3D user community.

## Performance

### Parallel execution of FLOW-3D simulations for automation and optimization tasks

With 2022R1, FLOW-3D (x) can now run multiple FLOW-3D simulations in parallel. By evolving from serial to parallel execution, users can now make the most of available computational resources, vastly accelerating the time to completion of automated parameter sweeps and gaining valuable insight sooner.

### Execution of FLOW-3D simulations on remote nodes

Hand-in-hand with the ability to execute FLOW-3D nodes in parallel, we recognized the need to be able to make the most efficient use of computational resources that might be remote and distributed across multiple workstations on a network. With FLOW-3D (x) 2022R1, users can define execution nodes as remote nodes. Users can decide which nodes, local or remote, to run FLOW-3D executions in order to best make use of their computational resources.

### Full integration with FLOW-3D POST and Python automation

Automated post-processing using FLOW-3D POST state files is now fully integrated into the workflow automation supported by FLOW-3D (x). The latest release of FLOW-3D POST 2022R1 allows users to create macros, state files, and Python-driven advanced batch automation. These advanced post-processing features are integrated into the FLOW-3D (x) 2022R1 release under a dedicated post-processing node, as well as under dedicated Python script execution nodes.

## User experience

### Streamlined definition of optimization targets

A simplified definition of optimization targets has been added, allowing users to directly define targets rather than having to define a minimization goal.

### Streamlined layout of user interface

Based on user feedback from the original release of FLOW-3D (x), the user interface now delivers a clear, intuitive experience even for large, complex optimization projects. Superior clarity of node and workflow definitions, improved layout optimization tasks and population selection, and dedicated nodes for all FLOW-3D products are some of the improvements delivered in this release.

### Data analysis and plot formatting upgrades

In keeping with efforts to streamline FLOW-3D (x) model setup and execution for the user, the data analytics graphical representation widget allows for clear, simple access to the most important data from your project simulations. Plot definition has been simplified and plot formatting improved. A new type of chart allows filtered data to be exported as text and images at custom resolution.

## Flow Science Receives the 2022 Flying 40

Flow Science is named one of the fastest growing technology companies in New Mexico for the seventh year running.

Santa Fe, NM, July 28, 2022 – Flow Science has been named one of New Mexico Technology’s Flying 40 recipients for the last seven consecutive years. The New Mexico Technology Flying 40 awards recognize the 40 fastest growing technology companies in New Mexico each year, highlighting the positive impact the tech sector has on growing and diversifying New Mexico’s economy.

Flow Science continues to deliver best-in-class CFD products and service to our customers at top engineering companies worldwide. The strength of our business model has allowed us to not simply weather the economic storm brought on by the pandemic and other world events, but to grow in both revenue and workforce. We’re very proud to be recognized by New Mexico Flying 40 yet again and look forward to continuing our success and contributing to New Mexico’s economic growth, said Dr. Amir Isfahani, President & CEO of Flow Science.

The Flying 40 awards are based on three revenue categories: the top revenue growth companies with revenues between $1 million and$10 million, the top revenue growth companies with revenues of more than $10 million, and the top revenue-producing technology companies irrespective of revenue growth. Growth is measured over five years, from 2017-2021. “In the midst of the worst pandemic of the past century these employers not only stayed open and provided thousands of jobs, they were able to grow their employee base. All of New Mexico should join us in celebrating these accomplishments,” said Sherman McCorkle, President and CEO of the Sandia Science & Technology Park Development Corp. and host of this year’s event. Learn more about the Flying 40. ### About Flow Science Flow Science, Inc. is a privately held software company specializing in computational fluid dynamics software for industrial and scientific applications worldwide. Flow Science has distributors and technical support services for its FLOW-3D products in nations throughout the Americas, Europe, Asia, the Middle East, and Australasia. Flow Science is headquartered in Santa Fe, New Mexico. ### Media Contact Flow Science, Inc. 683 Harkle Rd. Santa Fe, NM 87505 +1 505-982-0088 ## Flow Science Receives the 2021 Flying 40 Among technology companies who were able to “weather the storm” caused by the coronavirus, Flow Science is named one of the fastest growing technology companies in New Mexico for the sixth year running. Santa Fe, NM, November 9, 2021 – Flow Science has been named one of New Mexico Technology’s Flying 40 recipients for the last six consecutive years. The New Mexico Technology Flying 40 awards recognize the 40 fastest growing technology companies in New Mexico each year. It is an honor to be recognized for the sixth year in a row by the Flying 40. Like most companies, we faced challenges amid the uncertainty of the pandemic. We were able to stay the course, deliver new products to top engineering companies around the world, and strengthen our business model. We expect to return to our strategies and realize their full potential for growth as the conditions around the pandemic continue to improve,” said Flow Science President & CEO, Dr. Amir Isfahani. These awards are given out by the Flying 40 program based on three revenue categories: the top revenue growth companies with revenues between$1 million and $10 million, the top revenue growth companies with revenues of more than$10 million, and the top revenue-producing technology companies irrespective of revenue growth. Growth is measured over five years, from 2016-2020.

Sherman McCorkle, Chairman and CEO of the Sandia Science & Technology Park Development Corporation (SSTPDC), who hosted the program in 2021 stated, “Our technology companies faced one helluva challenge this past year. But they did a magnificent job of weathering the storm. They showed real resiliency.”

Flow Science, Inc. is a privately held software company specializing in computational fluid dynamics software for industrial and scientific applications worldwide. Flow Science has distributors and technical support services for its FLOW-3D products in nations throughout the Americas, Europe, Asia, the Middle East, and Australasia. Flow Science is headquartered in Santa Fe, New Mexico.

### Media Contact

Flow Science, Inc.

683 Harkle Rd.

Santa Fe, NM 87505

+1 505-982-0088

## FLOW-3D HYDRO Workshops

Unless otherwise noted, all FLOW-3D HYDRO workshops run from 11:00am – 2:00pm ET (8:00am – 11:00am PT) over two consecutive days.

• October 12 – 13, 2022
• January 25 – 26, 2023
• February 15 – 16, 2023
• March 15 – 16, 2023
• April 26 – 27, 2023
• May 30 – 31, 2023

## Who should attend?

• Practicing engineers working in the water resources, environmental, energy and civil engineering industries.
• Regulators and decision makers looking to better understand what state-of-the-art tools are available to the modeling community.
• University students and faculty interested in using CFD in their research or in the classroom.
• All modelers working in the field of environmental hydraulics.

## What will you learn?

• How to import geometry and set up free surface hydraulic models, including meshing and initial and boundary conditions.
• How to add complexity by including sediment transport and scour, particles, scalars and turbulence.
• How to use sophisticated visualization tools to effectively analyze and convey simulation results.

## You’ve completed the workshop, now what?

We recognize that you may want to further explore the capabilities of FLOW-3D HYDRO by setting up your own problem or comparing CFD results with prior measurements in the field or in the lab. After the workshop, your license will be extended for 30 days. During this time you will have the support of one of our CFD engineers who will help you work through your specifics. You will also have access to our web-based training videos covering introductory through advanced modeling topics.

• Workshops are online, hosted through Zoom
• Registration is limited to 10 attendees
• Cost: $499 (private sector);$299 (government); \$99 (academic)
• Each workshop is broken into two 3-hour sessions

*See our Registration and Licensing Policy

• A Windows machine running 64 bit Windows 10
• An external mouse (not a touchpad device)
• Dual monitor setup recommended
• Webcam recommended
• Dedicated graphics card; nVidia Quadro card required for remote desktop
##### For more info on recommended hardware, see our Supported Platforms page.

Registration: Workshop registration is available to prospective users in the US and Canada. Prospective users outside of these countries should contact their distributor to inquire about workshops. Existing users should contact sales@flow3d.com to discuss their licensing options.

Cancellation: Flow Science reserves the right to cancel a workshop at any time, due to reasons such as insufficient registrations or instructor unavailability. In such cases, a full refund will be given, or attendees may opt to transfer their registration to another workshop. Flow Science is not responsible for any costs incurred.

Registrants who are unable to attend a workshop may cancel up to one week in advance to receive a full refund. Attendees must cancel their registration by 5:00 pm MST one week prior to the date of the workshop; after that date, no refunds will be given. If available, an attendee can also request to have their registration transferred to another workshop.

Licensing: Workshop licenses are for evaluation purposes only, and not to be used for any commercial purpose other than evaluation of the capabilities of the software.

Our FLOW-3D HYDRO workshops introduce the FLOW-3D HYDRO software to civil and environmental engineers through a series of guided, hands-on exercises. You will explore the hydraulics of typical dam and weir, municipal conveyance, and river and environmental applications. By the end of the workshop, you will have absorbed FLOW-3D HYDRO’s user interface, reviewed CFD modeling best practices, and become familiar with the steps of setting up, running and analyzing simulations.

## Register for an Online FLOW-3D HYDRO Workshop

Register for an Online FLOW-3D HYDRO Workshop
All workshops will run for two 3-hour sessions over two days.
Registration Type *
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Workshop License Terms and Conditions *
Request for Workshop Certificate
Certificates will be in PDF format. Flow Science does not confirm that our workshops are eligible for PDHs or CEUs.
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Please note: Once you click 'Register', you will be directed to our PayPal portal. If you do not have a PayPal account, choose the 'Pay with credit card' option. Your registration is not complete until you have paid.

Brian Fox is a senior applications engineer with Flow Science who specializes in water and environmental modeling. Brian received an M.S. in Civil Engineering from Colorado State University with a focus on river hydraulics and sedimentation. He has over 10 years of combined experience working within private, public and academic sectors using 1D, 2D and 3D hydraulic models for projects including fish passage, river restoration, bridge scour analysis, sediment transport modeling and analysis of hydraulic structures.

# FLOW-3D (x): Connect, Automate, Optimize

In this blog, we’ll look at FLOW-3D (x) – a completely new product from Flow Science that will change the way you work with FLOW-3D products, make you more productive, improve your designs beyond what you thought was possible, and give you a deeper insight into your simulations than ever before. First, we’ll talk about how users typically incorporate simulation into their workflow and where bottlenecks often occur. Then we’ll talk about how FLOW-3D (x) removes these bottlenecks by automating the entire user workflow. And then we’ll look at some actual projects that were completed with FLOW-3D (x). FLOW-3D simulations provide users with the ability to predict how their designs will behave without building expensive prototypes. Many combinations of parameters and geometry can be simulated to find the optimal design. However, simulating many designs to achieve the optimal behavior can be time and cost prohibitive when done manually. And there is no guarantee that the solution achieved is the best since there is usually no simple way to know the relationship between parameter changes and design performance since we’re choosing the parameters’ values blindly.

## Running Parametric Geometry Designs

A common scenario is to have a parametric geometry designed in CAD. To understand the effect of geometry changes on the performance of the design, the user has to modify the geometry in CAD, export the geometry to STL, run the simulation, then postprocess the results. The number of design alternatives that can be investigated in this way is very limited due to the time required. Additionally, it is often useful to examine the behavior of a design through a range of fluid properties. If we wanted to investigate the results of viscosity varying over a range of values, we’d have to modify the input files for each value we’d like to simulate, execute each, and then postprocess. This way of working can quickly become prohibitively time consuming. The solution is to use FLOW-3D (x) to automate this iterative testing process.

## Optimization Workflow

The first step in creating an optimization workflow in FLOW-3D (x) is to define the goal of the optimization. The goal may be to minimize or maximize a simulation output (e.g., air entrainment) or some statistical value such as the average flow rate that is computed using the Statistics plugin. Next, the parameter space to be examined is specified along with the possible range these parameters can assume in the optimization. There is no limit to the number of parameters that can be studied. Finally, a Budget is defined which tells FLOW-3D (x) how many simulations it can execute in its search for an optimal solution. The larger the simulation budget, the closer the solution will be to the actual optimal solution.

## Connecting & Automating

A wide range of plugins are available which allow almost any workflow to be replicated and automated:

• SolidWorks
• Catia
• NX
• PTC Creo
• Rhino Grasshopper
• SpaceClaim
• Autodesk Inventor
• Abaqus
• Matlab
• Math/statistics
• Excel

The STL Morpher CAD plugin allows us to automate the typically tedious task of opening our CAD geometry, modifying it, and then exporting it to the simulation directory in a FLOW-3D (x) workflow. For example, let’s say we had a parameterized design of a pipe network in SolidWorks. We’d like to study the effect of a change in a particular pipe diameter on the flow rate through the pipe. To automate this, we would drag a SolidWorks plugin into our workflow in FLOW-3D (x), open the SolidWorks part file in the SolidWorks plugin, and then select the diameter as a variable we’d like to control in our optimization. Then we’d specify the allowable range of this diameter. FLOW-3D (x) will run a series of simulations with geometries of various diameters generated though the SolidWorks plugin. No interaction between the user and the software is necessary. We could have FLOW-3D (x) identify the optimal diameter which minimizes or maximizes some flow quantity such as turbulent kinetic energy, for example.

Below is an example of a workflow created in FLOW-3D (x) that uses the STL Morpher plugin to modify the STL geometry of a manifold to achieve a balanced flow through each distribution pipe of the manifold. The manifold is shown here.

With the drag-and-drop feature in the FLOW-3D (x) interface, this type of workflow can be set up and running in minutes.

Each time a workflow cycle is completed, the new data is added to the response surface, further refining the relationship between the inputs and the outputs. Based on the computed response surface, a new set of inputs is created by FLOW-3D (x) and another cycle of the workflow is executed. This cycle repeats until the optimization goal is achieved or the user-specified budget is reached.

A natural output from this process is a sensitivity plot which indicates how strongly the simulation results depend on the inputs. For example, we’d typically be interested in knowing whether a particular simulation parameter is worth optimizing. If its effect on the results is minimal, we know that we need to look at some other parameter in the simulation to improve our design. The sensitivity graphs below show the standard deviation of the flow rates through the manifold outlets on the vertical axis and the variations in the outlet diameter. The interaction is strong for all three, indicating they all contribute significantly to the results and are indeed what we should be considering.

The sensitivity graphs shown here show the standard deviation of the flow rates through the manifold outlets on the vertical axis and the variations in the outlet diameter. The interaction is strong for all three, indicating they all contribute significantly to the results and are indeed what we should be considering.

## Workflow Automation

Aside from optimization and parameter sensitivity studies, FLOW-3D (x) can also be used for workflow automation without performing any optimization. For example, if we simply wanted to run a series of simulations with a specified set of inputs and then create a set of post-processed results, we could do that. In that case, we would define a CSV file with the inputs we’d like to simulate (e.g., viscosity, turbulence model selection, mesh size, inlet velocity) and execute these simulations automatically.

As you can see, using FLOW-3D (x) alongside any FLOW-3D product makes you more productive, provides more in-depth clarity about your design, and allows you to get the most value possible from your CFD workflow.

### John Ditter

Principal CFD Engineer at Flow Science