Understand The Physics Of Re-Entry Vehicles Using Numerical Modeling And Simulation


In the early years of space exploration, scientists and engineers dreamed of sending vehicles to Mars that could land on the planet's surface and explore its terrain. However, one of their biggest challenges was safely reentering the Martian atmosphere. Many early attempts at Mars missions failed because the vehicles either burned up during re-entry or crashed onto the surface. However, as tech... » read more

Cleaning Marine Geometries Has Never Been Easier


Ship designers and naval architects increasingly use computational fluid dynamics (CFD) tools for more accurate solutions, detailed physics, and quicker results. Marine ship design studies in the past relied mainly on scaled-down models in towing tanks for insights into ship resistance, seakeeping, propulsion, and maneuvering. However, these models had discrepancies in their Reynolds and Fro... » read more

Boost Your CFD Workflow Productivity With An API: Part 1


If you're in the field of computational fluid dynamics testing or studies, you already know how much time and effort it takes to complete the tasks involved. Hours upon hours are spent on geometry clean-up, meshing, and post-processing. Furthermore, when you're dealing with similar models that have new constraints or dimensions, the work can feel tedious. But don't worry! There’s a way to sim... » read more

Improved Arm Server Price-Performance For HPC


The availability of Amazon EC2 Hpc7g instances with the AWS Graviton3E and Elastic Fabric Adapter (EFA) is opening new opportunities in key areas: Manufacturing Aerospace Automotive engineering Weather prediction The new AWS EC2 instance types have AWS Graviton3E’s 64 Arm Neoverse V1 cores and 8 channels of DDR5 memory. This is alongside the AWS Nitro v5 card with EFA deliver... » read more

Reduce Aquaculture Biological Footprint With Fluid-Structure Interaction Simulations


Aquaculture, which has existed since 1000 BCE, is gaining widespread recognition for its potential to provide sustainable fish products. This form of farming, also known as captive breeding, is the go-to method for fish farmers to satisfy the growing demand for seafood and freshwater fish. In aquaculture farming, choosing the right location is substantial for healthy breeding, such as having co... » read more

High-Fidelity CFD Mesh Generation With Voronoi Diagram


We are attuned to the fact that the law of nature, or nature’s rule, drives various scientific phenomena. Humans often replicate naturally occurring phenomena to achieve a desirable outcome, similar to how scientists mimic photosynthesis to generate energy. Comparable is the case with Voronoi geometries. These geometries are widely seen in beehives, the structure of sponges, rock fragmentati... » read more

Automated Tool Flow From Domain-Specific Languages To Generate Massively Parallel Accelerators on HBM-Equipped FPGAs


A new technical paper titled "Automatic Creation of High-bandwidth Memory Architectures from Domain-specific Languages: The Case of Computational Fluid Dynamics" was published by researchers at Politecnico di Milano and TU Dresden. The paper states "In this article, we propose an automated tool flow from a domain-specific language for tensor expressions to generate massively parallel acceler... » read more

Predicting Hull Resistance Curve Using Marine CFD


In this user case, Marintek uses Fidelity Fine/Marine and Hexpress for resistance curve prediction of a planning hull and its validation against the model test cases. Team involved End User: Eloïse Croonenborghs, Research Scientist at MARINTEK, Maritime division, Trondheim, Norway Team Expert: Sverre Anders Alterskjær, Research Scientist at MARINTEK, Maritime division, Trondheim, Norway... » read more

Robust Design Optimization Of A Ford Turbocharger Compressor


What is robust design optimization (RDO), and is it better than standard optimization? In this customer case, we describe a multi-disciplinary optimization of a turbocharger compressor from Ford Motor Company, in which we demonstrate it is. RDO combines standard numerical optimization with sensitivity analysis to take into account the influence of manufacturing variations and operating uncer... » read more

Best Practice: RANS Turbulence Modeling In Ansys CFD


Turbulence modeling is one of the main sources of uncertainty in CFD simulations of technical flows. This is not surprising, as turbulence is the most complex phenomenon in classical physics. Turbulent flows pose a multi-scale problem, where the dimension of the technical device is often of the order of meters (or even 102 meters in case of airplanes and ships), whereas the smallest turbulence ... » read more

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