Aerodynamics| Computational Fluid Dynamics | F1
What Would Life Be Like without Aerodynamics?
Aerodynamics play a major role in our everyday lives. The same goes for Formula 1. Find out how aerodynamics affects our lifes and cars here.
Pumps | Propeller | Cavitation
Cavitation is a phenomenon in which rapid changes in pressure in a fluid lead to the formation of vapor-filled cavities or bubbles in places where the pressure is relatively low. It can lead to structural damage due to the bubbles imploding when subjected to higher pressure, but it can also cause instabilities and increased noise. Still, it is one of the most challenging topics CFD engineers must tackle. It occurs in many sectors, such as marine propellers, hydrofoils, torpedos, pumps, etc. Many publications cover the subject, sometimes from another point of view, starting from cavitation inception to its actual physical modeling, using pragmatic approaches or more sophisticated models. With this blog article, Cadence would like to share some of its know-how, summarizing state-of-the-art CFD technologies for cavitation prediction and covering different applications and CFD features to answer the engineer’s needs.
Aerospace | OMNIS™/Turbo | OMNIS™/Open-DBS | Openlabs™ | OMNIS™/Autogrid | OMNIS™/Hexpress
For more than 20 years now, ArianeGroup trusts NUMECA’s software tools for the design, analysis and optimization of the Liquid Hydrogen Turbopump of the Vulcain® rocket engine and its successors.
Automotive | Grid Generation | HEXPRESS™/Hyprid
“We massively invested in NUMECA solutions more than 2 years ago, and are very satisfied with the level of precision they provide us.“ Dr.Takiguchi, Chief Engineer at Honda Automobile R&D Center.
Automotive | Turbomachinery | Grid Generation | AutoBlade™ | AutoGrid5™ | FINE™/Turbo | FINE™/Design3D
Numeca’s FINE™/Design3D offers the right solution for the multi-disciplinary optimisation of a FORD turbocharger compressor design.
Automotive | Acoustics | FINE™/Open | FINE™/Acoustics
A new method called Adaptive Spectral Reconstruction (ASR) for thestochastic reconstruction of broadband aeroacoustic sources starting from steady CFD analyses is presented and applied to the evaluation of the noise radiated by a model automotive side mirror.
Marine | Hydro | HEXPRESS™ | FINE™/Marine
Computational Fluids Dynamics (CFD) is the core of the design approach of this vessel. With NUMECA’s software FINE™/Marine, A2V relied entirely on simulation during the design of the fully instrumented 10.5m prototype.
Marine | Hydro | HEXPRESS™/Hybrid | FINE™/Marine
DAMEN and NUMECA develop a CFD methodology to proof a vessel has sufficient transversal stability to resist over-rolling in severe side winds.
Marine | Hydro | HEXPRESS™ | FINE™/Marine
For the prediction of the resistance curve of a planing hull and validation against model tests, Marintek used FINE™/Marine and OMNIS™/Hexpress in this user case. Read all about it here.
Marine | Hydro | HEXPRESS™ | FINE™/Marine
Numerous studies based on experiments or computations have been carried out to investigate propeller open water characteristics. Most studies only consider the case of a propeller in straight ahead flow. However, under real conditions, a working propeller operates behind a ship usually in a complex wake, so that the propeller shows quite different hydrodynamic performance.
In this paper, the cavitating performance and open water performance of the SMP’15 propeller are numerically simulated using the flow solver ISIS-CFD.
Aerospace | FINE™/Open
NUMECA International today announced a new partnership with Boom Supersonic (Boom), an innovative company building history’s fastest supersonic airliner.
Aerospace | Automotive | Turbomachinery | HVAC | AutoGrid5™ | HEXPRESS™/Hybrid | FINE™/Turbo | FINE™/Open
The development of a full-engine 3D fluid dynamics simulation framework, from compressor inlet to exhaust hood, using one single tool.
Aerospace | Grid Generation | Multi-Purpose | FINE™/Open
Aerodynamic Prediction Challenge (APC) is a series of workshops organised by the JAXA with the aim of tracking the progress of CFD tools with respect to challenges faced in aeronautical applications.
Aerospace | Wind Energy | Multi Purpose | FINE™/Open
The importance of accurately calculating the way an aircraft reacts to gusts and turbulences early on in the design process.
Aerospace | Turbomachinery | Grid Generation | AutoGrid5™ | FINE™/Turbo
In the race to more environmentally friendly electrical aircrafts, Pipistrel designs a propeller specially adapted for exploiting in-flight power recuperation using CFD optimization.
Aerospace | Grid Generation | Multi-Purpose | AutoBlade™ | HEXPRESS™/Hybrid | FINE™/Open
NUMECA-USA has worked closely with Masten Aerodynamics Lead, Allan Grosvenor, and his team to develop an HPC-driven workflow that enables concept development, evolution, and optimization, of vehicle configuration that takes into consideration aerodynamic performance, control, loads and aerothermal heating, with simultaneous trajectory optimization.
Turbomachinery | HVAC | Automotive | Aerospace | AutoGrid5™ | IGG™ | FINE™/Turbo | FINE™/Design3D
Entechmach optimizes the design of a compressor to improve its performance realizing a 6.5% reduction in power consumption of the compressor.
Turbomachinery | HVAC | Automotive | Aerospace | FINE™/Turbo
The goal of turbomachinery CFD simulations is to predict flow behavior in adjacent rotating and non-rotating blade rows. The link between these rotating and stationary frames of reference is called the Rotor-Stator interface.
Turbomachinery | Automotive | HVAC | Aerospace | FINE™/Turbo
Turbochargers are currently ubiquitous in automobiles. It is nearly impossible to find a new Diesel vehicle without turbocharging and direct injection. Gasoline cars have been also following suit for the past few years. Regulations are pushing for lower emissions and the way to achieve this has been downsizing and using turbocharging to offset the lower power density of a smaller motor.
Turbomachinery | HVAC | Automotive | Aerospace | FINE™/Turbo | FINE™/Acoustics | AutoGrid5™
NUMECA’s software tools were applied to resolve the unsteady flow field in a centrifugal compressor and to conduct an analysis of the tonal noise emissions in the surroundings of the machine.
Turbomachinery | Grid Generation | HVAC | Automotive | Aerospace | AutoGrid5™ | FINE™/Turbo
Developing a workflow for accurate, reliable and affordable prediction of forced response vibrations in radial turbines, taking into account mistuning effects.
Pumps | Hydro | OMNIS™/LB
Marine | HEXPRESS™ | FINE™/Marine
The Sound and Vibration Group (SVRG) at Stellenbosch University is investigating the seakeeping of the SA Agulhas II (SAAII, Figure 1), South Africa’s polar research and…
Hydro Energy and Pumps | Turbomachinery | Optimisation | AutoBlade™ | AutoGrid5™ | HEXPRESS™ | FINE™/Open | FINE™/Design3D
First different levels of detail in modelling “Conjugate Heat Transfer” (CHT) are conducted by considering different domains using a fully structured approach. Second the meshing and simulation strategy comparing a structured and hybrid approach are investigated.
Turbomachinery | Grid Generation | IGG™ | AutoGrid5™ | FINE™/Turbo
You think you’ve seen them all? Challenge accepted! Enjoy some insight into the latest projects of Prof. Dr. Andreas P. Weiß and his team at the OTH Amberg-Weiden – the so called “Elektra-Turbine”. Supersonic nozzles, shock waves, unfortunately far to much entropy production – and yet gorgeous!
Turbomachinery | AutoGrid5™ | FINE™/Turbo | FINE™/Design3D
The goal of this case is to optimise the shape of the propeller, but at the same time reduce the impact of manufacturing variability on the performances. This is of particular importance for marine applications, where even small performance drops during operation can have significant financial impact through increased operational costs. A standard (deterministic) optimisation is compared with a robust optimisation, taking these manufacturing uncertainties into account.
Turbomachinery | AutoGrid5™ | OMNIS™/HEXPRESS | FINE™/Turbo | FINE™/Open
In the following, the workflow for reliable temperature field prediction is presented within the simulation of a radial compressor, the SRV4.
Marine | Grid Generation | OMNIS™/HEXPRESS | HEXPRESS™/Hybrid
The best approach currently present on the market for preparing the most complex geometries – even the Titanic goes watertight in no more then 50 seconds!
Automotive | Grid Generation | OMNIS™/HEXPRESS | HEXPRESS™/Hybrid
HONDA has been using OMNIS™/Hexpress for many years now for their automotive designs, and the AutoSeal technology made a real difference for them.
Automotive | Turbomachinery | Optimisation | Meshing | AutoGrid5™ | HEXPRESS™/Hybrid | FINE™/Design3D
Renault evaluates the efficiency of their turbo compressors through fluid dynamics analysis with NUMECA.
Automotive | Grid Generation | External Aerodynamics | OMNIS™/Hexpress | FINE™/Open
One of the most important objectives of solar-powered car development is to minimize power consumption by reducing drag. Team Agoria used OMNIS™ to find the optimum design for their car within the limits of the competition.
Aerospace | LDFSS | OMNIS™/HEXPRESS | FINE™/Open
This study demonstrates the application of NUMECA Software on a generic missile, the ANF (Army-Navy Basic Finner). It is a typical test geometry, meaning that there is plenty of reference data available to the public, making it ideal for comparison and validation of various numeric methods.
Aerospace | Optimisation | Multi Physics | Combustion | Heat Transfer | OMNIS™/HEXPRESS | FINE™/Open
Masten Space Systems is using OMNIS™/Open-DBS with OpenLabs™ – NUMECA’s unstructured multi-purpose CFD solver package – for the design and analysis of various elements of reusable spacecraft and lunar vehicles.
Automotive | Turbomachinery | Optimisation | Compressor | Turbocharger | FINE™/Design3D | AutoGrid5™ | FINE™/Turbo
Multi-disciplinary and multi-objective performance map optimization of a turbocharger compressor for motorsport applications.
Trim | Marine | Ship Design | FINE™/Marine
Ship trim optimization has recently gained enormous momentum in the field of naval architecture. See how the unique features of FINE™/Marine contributed to obtaining a database of optimal trim angles quickly and with high accuracy.
Aircraft | Supersonic | HEXPRESS™/Hybrid | FINE™/Open
The use of computational fluid dynamics in the field of supersonic aeronautics significantly cuts the time to market and associated development costs. Cadence is active in this field and was involved in the CFD investigation of a sonic boom and aerodynamic prediction of NASA Concept 25D Powered supersonic aircraft.
Valve | FSI | AGR | Overset Grid | OMNIS™/Hexpress | FINE™/Marine
Check valves are commonly implemented in piping systems in order to control the fluid flow and to avoid reverse flows, since these can degrade the performance of the system and can cause structure failures. The opening of the valves is mainly caused by the hydraulic force which is the sum of viscous and pressure-based forces acting on the discs. A dual-disc check valve relies primarily on the spring force for closure. Here, the transient flow through a typical dual-disc check valve is investigated in FINE™/Marine and the opening process of the valve is analysed.
Marine | Optimisation | Powerboat | FINE™/Design3D | HEXPRESS™ | FINE™/Marine
This paper investigates the hydrodynamic performance of a classic wooden powerboat, the RIVA Junior, using CFD and driven by an environmentally friendly electric motor. The original hull shape is parametrised for variation in an optimisation chain: several operating points (speeds, displacements) and various objectives are considered, aiming to model different operational profiles of an electric propulsion. The goal is to derive hull design trends for both highest speeds for a given power, but also maximised range using the limited electric energy, and of course the trade-offs in between.
Turbulence | Deep Learning | Data Mining | Aerospace
The HiFi-TURB project, which is coordinated by NUMECA , sets out a highly ambitious and innovative work programme to address influential deficiencies in turbulence modelling.
Particles Counter | Particle Tracking | Pressure-base Solver | Flowfield Physics | FINE™/Open | Hexpress™
Revolutionizing the design of particle counters through advanced simulation to study the transmission mechanisms of COVID-19.
Optimisation | Blower | Industrial Equipment | AutoGrid5™ | HEXPRESS™ | FINE™/Turbo | FINE™/Open | FINE™/Design3D
Thanks to this two-part optimization project, Illinois Blower managed to increase fan performance by up to 44% overall, while maintaining their original design constraints.
Aircraft | HEXPRESS™ | Open™
AeroDelft has one main goal; to prove and promote liquid hydrogen as an alternative to conventional fuels in aviation. Read how they use Cadence to get the aerodynamics right for minimum energy consumption.
NLH Simulation| Drone | Quadcopter | Flight Conditions | Propeller | External Aero | Optimisation | HEXPRESS™ | AutoGrid5™ | FINE™/Open | FINE™/Design3D
This case study demonstrates the aerodynamic simulation and optimization of an industrial quadcopter drone (UAV) in hover mode, the most energy intensive mode of this type of drone.
Marine | Propeller | Robust Design | Uncertainty Quantification | Optimisation | FINE™/Design | FINE™/Turbo | AutoGrid5™
Optimizing the design of ship propellers is of key importance for the marine industry, as it has a direct impact on operational costs through its influence on fuel consumption and ship performance. Even the smallest improvement in the design of the propellers can save ship operators millions of dollars across an entire fleet.
Aircraft | Noise Emissions | Pressure Distribution | NLH | HEXPRESS™/Hybrid | FINE™/Open
FINE™/Open’s NLH method proved to be the most cost effective approach for acoustic optimization analysis. The method offered a speed-up between one to two orders of magnitude in comparison to the TD analysis.
Preliminary Design | Thermodynamic Tables | Refrigerant Compressor | COMPAL | AxCent | OMNIS™/AutoGrid | OMNIS™/Turbo
A two-stage chiller compressor – from velocity triangles to a 3D optimized design. Review the latest benchmark for our new customer from the refrigeration industry, Teqtoniq GmbH.
![Figure 1: Lockheed Martin X 59 QueSST Aricraft Concept [3]](https://www.numeca.de/wp-content/uploads/2020/09/Figure1_Lockheed-Martin-X-59-QueSST-aricraft-concept-3.png)
