Visualisation of flow calculations

The major providers of flow simulation software, such as Ansys Fluent, Ansys CFX, Simcenter Star CCM+, FLOW-3D® oder Simerics MP+ each offer in-program options for evaluating and visualising simulation results.

In our company, the engineers also use different software for flow calculations, depending on the application. For the visualisation of the results, however, we mostly use only 1 product – and this has been the case for many years: FieldView.

What we appreciate about FieldView is the ease of use, the high degree of automation when comparing calculation results of geometry and case variants, the enormous number of interfaces to commercial and non-commercial flow simulation programmes and the handling of large and very large amounts of data in client-server mode.

An example: The first two pictures show two variants of the flow through an aneurysm in a blood vessel. Differences in pressure are difficult to see. If you use the “Dataset Comparison” feature to compare the pressure in image 2 with the pressure in image 1, the existing pressure differences can be elegantly visualised (red: higher pressure, grey: identical pressure, blue: lower pressure).

Visualisation with FieldView

The automation of repetitive tasks is also very conveniently solved by restart files and – if required – the script language FVX. Visualisations can thus actually be created with a click of the mouse.

Thanks to comprehensive downward compatibility, result files and self programmed routines can still be read into the latest FieldView version without any problems, even after many years. And the development of FieldView continues: one focus is on processing the enormous amounts of data that arise due to the rapidly growing hardware performance in three-dimensional flow calculations – Big data!

CFD Consultants and Kombyne™: Visualisation and Data Analysis for HPC simulations

“Can we calculate the flow process with 500 million cells time dependant?” – “Yes.”
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Honorary professorship for Dr.-Ing. Volker Kassera

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Thank you, Ibrahim Başhoruz!

From September 2020 to January 2021, Ibrahim Başhoruz was part of the CFD Consultants team and worked on a specialist internship thesis in our Rottenburg office as part of his Bachelor’s degree in “Mechanical Engineering with Business Administration” at the Technical University of Kaiserslautern.

Ibrahim Başhoruz was involved in various projects in our company, for example in the areas of automobile racing, wind tunnel, flow around buildings or the flow around wing profiles and worked very well into the operation of software tools for numerical flow simulations (CAD data preparation and pre-processing with Rhino and Pointwise, numerical simulation with Ansys Fluent, post-processing with FieldView).

During the lecture Fluid Mechanics III – CFD and the exercise in CFD, which our managing director Dr. Volker Kassera held this year purely virtually as a video conference with ZOOM for the students of the Chair of Fluid Mechanics and Fluid Machinery (SAM) at the Technical University of Kaiserlautern, he was always happy to assist.

Many thanks, dear Ibo! That was really good, including the baklava 🙂 !

We wish you all the best for your subsequent Master’s degree at the University of Kaiserslautern!

 

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Industrial HPC User Round Table (iHURT)

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CFD Consultants GmbH joins Medical Valley Hechingen network

CFD Consultants GmbH is looking forward to the cooperation with the competence network Medical Valley Hechingen, an association of about 45 innovative companies from the field of medical technology, their suppliers and service providers in the Hechingen area and the entire Neckar-Alb region.

By joining the network, there are numerous opportunities for cooperation at the entrepreneurial level, as well as opportunities for personal exchange and comprehensive knowledge and experience transfer.

Due to many years of experience with the calculation of flow processes in the field of medical technology (example: aneurysm), CFD Consultants GmbH contributes the necessary knowledge to the network.

On 18.11.19 our managing director, Dr. Volker Kassera, will give a lecture at a network meeting with the title Flow Simulation in Medical Technology – Applications, Potentials, Limits.