Convergent Science

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Another week, another #SimulationFriday! This week, we’re showing a CONVERGE simulation of aorta deformation from an adolescent patient with a heart defect. CFD simulations of cardiovascular flows using patient geometries can significantly improve the assessment of blood damage and identify regions at risk for blood clots. In this video, we prescribed a pulsatile flow upstream of the aorta and simulated the deformation using CONVERGE’s membrane model. While our autonomous meshing easily captured the complex motion in the geometry, our Adaptive Mesh Refinement (AMR) feature dynamically refined and coarsened the mesh to efficiently model the physics of blood flow in the aorta. The membrane model is a recent addition to CONVERGE’s fluid-structure interaction capabilities, which we are continuously updating to position this feature—and our software as a whole—at the leading edge of technology. In our last webinar of the year on December 4, Convergent Science Co-Owner Keith Richards will describe some of the newest features and upcoming developments efforts in CONVERGE. Don’t let this learning opportunity slip away—register today! https://lnkd.in/g9EwDi-f

Continually improving engine aftertreatment systems is an important way for manufacturers to maintain compliance with ever-tightening emissions regulations. In today’s #ThrowbackThursday webinar, we discuss how 3D CFD simulations can reduce costs and shorten design timelines for aftertreatment systems. We demonstrate how to use CONVERGE to conduct uniformity studies, model surface chemistry reactions in catalysts, and predict the pressure drop and filtration performance of diesel and gasoline particulate filters. In addition, we cover the innovative tools CONVERGE offers for modeling urea deposits in urea/SCR systems, including the urea detailed decomposition and solidification models. Check out the webinar to learn more! https://lnkd.in/gGyXUKsH To get hands-on experience modeling aftertreatment systems in CONVERGE, sign up for our free training course hosted by our Pune, India, office on December 10! This course will cover all of the relevant models available in CONVERGE for aftertreatment systems as well as solution acceleration approaches that allow you to simulate timescales necessary for film and deposit evaluation. Register today! https://lnkd.in/gMRD3Yj

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Learn the fundamentals of modeling engine aftertreatment systems in CONVERGE at our free training, hosted by our Pune, India, office on December 10. This hands-on course covers urea decomposition, urea-water spray modeling, wall interaction models, urea deposit formation, surface chemistry modeling, and more. Then on December 11, meet one-on-one with an expert Convergent Science engineer to get customized assistance setting up your case. Spots are limited for these courses, so sign up today! https://lnkd.in/gMRD3Yj #CONVERGEcfd #CONVERGEtraining

New Skills, New Possibilities | The Latest News From CONVERGE CFD - https://lnkd.in/gHVUmnBv

Are you pumped for takeoff? Join us at the 2024 NASA - National Aeronautics and Space Administration Aerospace Battery Workshop in Huntsville, Alabama from November 19–21. This year, the attendee list includes scientists and engineers from governmental agencies, aerospace contractors, and battery manufacturers from all around the world. Listen to Senior Research Engineer Kislaya Srivastava’s presentation at 9:35 AM CST on November 19, where he will discuss how CONVERGE addresses challenging thermal runaway regulations. After his talk, you can catch him or Principal Account Manager Xiao Ren to ask them about CONVERGE’s role in aerospace battery technologies and other flight-related issues. https://lnkd.in/gtdX7qwp

In today’s #SimulationFriday, we’re shooting for the stars! This video shows a CONVERGE simulation of a supercritical hydrogen-oxygen rocket combustor. Designed by the German Aerospace Center (DLR), the BKD research combustor is a sub-scale model of a multi-element rocket engine used to study how different factors (e.g., injector design and propellant properties) influence flame stability, combustion efficiency, and flow characteristics. We used the SAGE detailed chemistry solver with LES turbulence modeling to simulate the BKD combustor with hydrogen fuel and liquid oxygen. In addition, CONVERGE’s temperature-based Adaptive Mesh Refinement automatically adjusts the mesh throughout the simulation to efficiently capture the combustion dynamics. Find out what new models are being implemented in CONVERGE to expand our rocket modeling capabilities—along with many other applications—at our upcoming webinar “What’s New and What’s Coming in CONVERGE”, presented by CS Owner Keith Richards. Register for free today! https://lnkd.in/g9EwDi-f

Happy #ThrowbackThursday! This week, we are focusing on our blog post, C3Mech: A Single-Source Solution for Combustion CFD. To run combustion simulations, engineers must apply suitable chemical mechanisms that can accurately represent the chemistry within the reacting flow. Unfortunately, finding the right mechanism from published literature can be an inefficient and time-consuming task, especially for multi-component fuels with complex chemistry. With our establishment of the Computational Chemistry Consortium (C3), the combustion community has gained a comprehensive and detailed mechanism that serves as a one-stop shop for fuel combustion chemistry. Under the leadership of Convergent Science Co-Owner Kelly Senecal and Professor Henry Curran from the University of Galway, C3 has developed a first-of-its-kind mechanism combining small, intermediate, and large species in a self-consistent, comprehensive, and hierarchical way. Following the release of C3’s first mechanism in 2021, it has been integrated into our software, allowing our users to combine the flexibility of C3 with the power of CONVERGE. Our blog also describes some important tools in CONVERGE that facilitate the process of transferring extracted chemistry from C3 for use in CFD simulations, including the surrogate blender tool, the extraction tool, mechanism reduction, sensitivity analysis, and mechanism tuning. Does this all sound fascinating? Read the full blog post here! https://lnkd.in/gNWfrpFv

On November 28, we’ll be attending the mcT Hydrogen - Conference and Exhibition on Industrial Systems and Solutions for Hydrogen. We’re looking forward to learning about the latest hydrogen technology and talking with attendees about how CONVERGE can provide insight into hydrogen production and distribution systems as well as the safety of hydrogen infrastructure. Find Key Account Manager Carmelo Perrone at the conference to learn more! https://lnkd.in/druXRwtV