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CFD Online top

► Spam protection problems
  31 Aug, 2018
For some time we have been running a fairly aggressive and quite good spam filter from Atomicorp. This filter blocks a lot of unwanted traffic. It is based on an add-in called ModSecurity that inspects all communication with the web-server and drops traffic that the Atomicorp rules thinks is spam.

Sometimes this can cause unexpected problems. If you all of a sudden just aren't able to reach www.cfd-online.com when trying to post a message or submit a CFD-wiki page it can be this filter that has found something it thinks is spam in your data. It then drops your data and blocks your IP number from our servers for a certain time.

If you have problems with this filter and are suddenly unable to reach www.cfd-online.com please contact us on webmaster@cfd-online.com. We can disable certain rules if they are too restrictive, but we need to know the problems to be able to fix them.

NAFEMS top

► NAFEMS World Congress 2019 Preliminary Agenda Launched
  15 Mar, 2019
NAFEMS World Congress 2019 Preliminary Agenda LaunchedQUEBEC CITY, CANADA, & GLASGOW, UK, MARCH 15TH 2019 – NAFEMS, the International Association for the Engineering Analysis, Modelling and
► Keynote Speakers announced for NAFEMS World Congress 2019
    7 Feb, 2019
Keynote Speakers announced for NAFEMS World Congress 2019The International Association for the Engineering Analysis Community Launches Extensive Roster of Keynotes for it’s Biennial World Congre
► Memorandum of Understanding between NAFEMS, prostep ivip, PDES, Inc. and AFNeT on behalf of LOTAR and CAE-IF signed 16 October 2018
    6 Feb, 2019
Memorandum of Understanding between NAFEMS, prostepivip, PDES, Inc. and AFNeT on behalf of LOTAR and CAE-IF signed 16 October 2018NAFEMS, prostep ivip, PDES, Inc. and AFNeT on behalf of LOTAR and CAE-
► 5 Reasons to Submit your Abstract for the NAFEMS World Congress 2019
    9 Nov, 2018
5 reasons to submit your abstract for the NAFEMS World Congress 2019 #NAFEMS19 1. Influence the Direction of SimulationNAFEMS is the voice of the CAE community – as simulation moves towards the
► Latest NAFEMS Publications
    1 Nov, 2018
Latest NAFEMS PublicationsThe following publications have been published recently and sent to our members.How To Perform Linear Dynamic Analysis This book aims to provide guidance on the usage of comm
► NAFEMS World Congress 2019 - Call for Papers Now Open
  30 Jul, 2018
NAFEMS are delighted to announce that the call for papers for the 2019 NAFEMS World Congress, in Quebec City, Canada, 17-20 June 2019, is now open.Engineering analysis, modelling and simulation are dy

OpenFOAM ESI-OpenCFD top

► OpenFOAM-v1812 released
    4 Jan, 2019
OpenCFD is pleased to announce the release of OpenFOAM-v1812.

This release extends OpenFOAM-v1806 features across many areas of the code. The new functionality represents development sponsored by OpenCFDs customers, internally funded developments, and the integration of features and changes from the OpenFOAM community.


Among other developments it features:
- snappyHexMesh directional stretching
- New leakage detection on geometry
- New Homogeneous Isotropic Turbulence (HIT) initialisation
- Improvements to overset
- uniformFixedValue types allow changes in time and space now
- New function object to compute AMI patch performance


... and many other developments or improvements from OpenFOAM team or contributors.


The detailed list can be found at: http://openfoam.com/releases/openfoam-v1812/


OpenFOAM-v1812 can be downloaded as:

- source code
- precompiled Docker images for Linux, Windows and Mac operating systems
- available also in the spack HPC package manager via the 'openfoam-com' package.

Details can be found on http://openfoam.com/download/installation.php

OpenFOAM Foundation top

► OpenFOAM v7 Released
    8 Jul, 2019
From the Release Announcement...


The OpenFOAM Foundation is pleased to announce the release of version 7 of the OpenFOAM open source CFD toolbox. Version 7 is a snapshot of the OpenFOAM development version which, through sustainable development, is always-releasable. It provides new functionality and major improvements to existing code, with strict demands on usability, robustness and extensibility.
OpenFOAM 7 includes the following key developments.
  • Heat transfer: consolidated solvers and improved convergence and robustness.
  • Particle tracking: improved robustness and optimized computation.
  • Multiphase: wave damping, configurable inlet phase properties, better settling numerics.
  • Reacting multiphase models: heat transfer, population balance, breakup, coalescence.
  • Reactions/combustion: simplified case setup.
  • Turbulence: improved consistency and stability of wall functions, added sources.
  • Thermophysical: thermodynamic functions, temperature-strain-dependent viscosity.
  • Other models: atmospheric, rigid body dynamics, boundary conditions, sources.
  • Mesh: standardized dynamic mesh capability, improved motion solvers.
  • Case Configuration: improved data visualization, setup tools, function objects.
  • Computation: improvements to containers, fields, parallel running, etc.
  • Approximately 550 code commits, 250+ resolved issues
  • ISO/IEC 14882:2011 (C++11): tested for GCC v4.8+, Clang v7.0+, Intel ICC v18.0+.
OpenFOAM 7 is packaged for the following platforms, with ParaView 5.6.0 including Mesa with LLVM/Gallium acceleration for systems without a (supported) graphics card:
The OpenFOAM 7 Source Pack can be compiled on suitable Linux platforms.

Credits

OpenFOAM 7 was produced by:
  • Core Team (CFD Direct): Henry Weller (co-founder & lead developer); Chris Greenshields (co-founder), Will Bainbridge
  • Developers/Maintainers: Mattijs Janssens (co-founder), Juho Peltola, Timo Niemi, Fabian Schlegel, Ronald Oertel, Bruno Santos
  • Patch Contributors: Francesco Contino, Lorenzo Trevisan, Federico Piscaglia, Robert Lee, SeongMo Yeon, Alberto Passalacqua
Licence

OpenFOAM 7 is distributed under the General Public Licence v3 by the OpenFOAM Foundation.

OpenFOAM Other Sources top

► Caelus v9.04 released
    6 Jun, 2019
The next major version of Caelus, 9.04, was released. This release comes with several enhancements to the library and CPL. Here’s a summary of the new capabilities:
  • Caelus documentation moved to Read the Docs: https://caelus-cml.readthedocs.io
  • Updated thermophysical library [OpenFOAM Foundation]
  • Updated Lagrangian library to a barycentric formulation [OpenFOAM Foundation]
  • Stability enhancements and new non-Newtonian viscosity models [Applied CCM]
  • Automatic parametric simulation using CPL. Using a template case and a YAML-based input file, CPL can setup, prep, run, and post-process multiple simulations for parametric sweeps. Documentation and examples are available at the CPL docs [Shreyas Ananthan]
  • Different Caelus versions can now be run side-by-side using CPL [Shreyas Ananthan]
  • Caelus applications and libraries as well as external applications and libraries can be compiled with CPL. Version specific compilation is supported [Shreyas Ananthan]

The source repository has been updated to 9.04:

https://bitbucket.org/appliedccm/caelus-contributors

If you’re not already familiar with Caelus, you can read more about it on the website. Its free and open-source. The file formats are compatible with OpenFOAM but there have been many improvements to it such that it is now moving independently in its own direction.

Stay up to date with Caelus on Twitter @caelus_cml or Facebook

Applied CCM is currently the maintainer and main developer of Caelus. If you’re interested in porting or developing your own application to Caelus, we’ll be happy to provide guidance. If you’ve developed a solver or model that you would like to include in Caelus check out the contributors repository. Any and all external contributors copyright will be kept in their contributed source files.
► Free OpenFOAM Training at Oregon State Uni
  30 Apr, 2019
In the organisation of College of Earth, Ocean and Atmospheric Sciences and the Department of Mathematics, Oregon State University:

Free 2-Day OpenFOAM Training Seminar

Prof. Hrvoje Jasak will hold a two day OpenFOAM training at the beginning of June at the Oregon State University, hosted by the College of Earth, Ocean and Atmospheric Sciences and the Department of Mathematics. More information can be found on:

https://ceoas.oregonstate.edu/people...ings/openfoam/

You are invited to explore the power and utility of OpenFOAM. We will also initiate the Pacific NW OpenFOAM usergroup during this workshop, and you are invited to join the group.

When: June 3-4, 2019

Where: Oregon State University, Strand Ag 363

For more info, contact dr. Jennifer Hutchings

https://ceoas.oregonstate.edu/profile/hutchings/

See you there,
► 3rd Iberian Meeting by and to OpenFOAM Users
  25 Apr, 2019
It's my pleasure to announce here that the 3rd FOAM@Iberia Meeting (Portugal + Spain) is scheduled to occur on the 11th and 12th of June 2019, at the Faculty of Engineering of the University of Porto (Portugal).

Quoting from the About section on our community website: http://foam-iberia.eu/#about
Quote:

The 3rd FOAM@Iberia Meeting, to be held in 11-12 June at the Faculty of Engineering of the University of Porto (Portugal), will be the annual meeting point of the OpenFOAM® Iberian community. These informal gatherings are the opportunity to be introduced to OpenFOAM®, meet and interact with other OpenFOAM® users/developers, learn about the most recent developments of the computational library and share and disseminate your OpenFOAM® achievements. These events are intended to play a significant role on the dissemination of OpenFOAM® not only in Portugal and Spain since they are also open to worldwide participants.

The meeting will comprise presentations on the latest OpenFOAM® developments, OpenFOAM® Basic/Advanced courses and lectures given by prestigious invited speakers. We would like to welcome in Porto all the recent and/or experienced Foamers @PT and @SP, among others, to continue building together a strong and active OpenFOAM community. Additionally, you can visit and enjoy the attractions of Porto, a city that is a 3-time winner of the prestigious “European Best Destination” prize (2012, 2014 and 2017).

The organizing committee


This offering is not approved or endorsed by OpenCFD Limited, producer and distributor of the OpenFOAM software via www.openfoam.com, and owner of the OPENFOAM® and OpenCFD® trade marks. OPENFOAM® is a registered trade mark of OpenCFD Limited, producer and distributor of the OpenFOAM software via www.openfoam.com.

For more details, please visit our community website: http://foam-iberia.eu/


In addition to this, I'd like to emphasize that this year there will be no USB sticks provided at the workshop with OpenFOAM installations ready to be used. This is because:
  • The basic training sessions will be mostly for people to attend the session to learn how things work and then work through the problems on their own time; this is because it's really hard to give a thorough training session in just an hour or so.
  • The advanced training sessions will expect people to bring their own laptops with OpenFOAM/foam-extend already installed, i.e. we expect advanced users to have already passed the initial step of getting it installed ;)
  • And because it's a considerable effort to create the USB sticks... and given that nowadays it's a lot more easy to install OpenFOAM wherever you need (it's not perfect yet, but people are working on it).
If you do have issues getting OpenFOAM/foam-extend installed, then please go to the Installation forum and report the issues you're having: https://www.cfd-online.com/Forums/op...-installation/
► OpenFOAM advanced training. July 22-26, 2019. Uni. Genova, Italy - Wolfdynamics
  28 Mar, 2019
OpenFOAM advanced training. July 22-26, 2019 (https://bit.ly/2WSHJHy)

We want to draw your attention to the upcoming OpenFOAM advanced training session that will take place in July 22-26, 2019. During this classroom training session we will address the following topics:
  • July 22th, 2019 - Turbulence modeling with OpenFOAM® - Theory and applications.
  • July 23th, 2019 - Introduction to solid modeling for general CFD and meshing using OpenFOAM® technology - Onshape and snappyHexMesh.
  • July 24th, 2019 - Design of experiments, space exploration, knowledge extraction, and numerical optimization using Dakota - Code coupling Dakota-OpenFOAM®.
  • July 25th, 2019 - Introduction to the FVM method, discretization techniques, and solution strategies. Standard practices in general CFD with applications to OpenFOAM®.
  • July 26th, 2019 - Open day (free for participants of the advanced training). This day (from 9:30 to 16:30), is dedicated to help participants to setup their cases. Note: Lunch is not included.

So hurry up and book your place, you are still on time to take advantage of ours reduced fees.

You can find more information in the following link: https://bit.ly/2WSHJHy

Prerequisites: intermediate knowledge of CFD, OpenFOAM®, and Linux is required. Some basic knowledge of C++ and shell scripting is beneficial. For those following the optimization training, no prior knowledge of Dakota is required.

Location: DICCA, University of Genova, (via Montallegro 1, 16145 Genova, Italy).

Course times: from 9:00 am to 5:00 pm, plus 30 minutes of Q&A.

Language: English

Number of seats: 15 places available.

Training material: every participant will get a copy of the printed lecture notes (high quality color), and an USB key with the supporting material.

Teaching method: lectures and hands-on sessions to validate the acquired knowledge.

Additional information:
  • These courses are offered in cooperation with the University of Genova.
  • The fee includes the printed material (high quality color), an USB key with the supporting material, and lunch and refreshments.
  • Attendees are not required to bring their own laptop since workstations with pre-installed software will be available.
  • A training certificate is provided to all attendees who complete the course.
► NUMAP FOAM Summer School 2019
    7 Mar, 2019
Numerical Modelling of Coupled Problems in Applied Physics with OpenFOAM
(NUMAP-FOAM) Summer School 2019
at the University of Zagreb, Croatia

http://cfd.fsb.hr/numap

Faculty of Mechanical Engineering (www.fsb.unizg.hr), University of Zagreb, Croatia (www.unizg.hr), announces the 14th edition of the School on Modelling of Coupled Problems in Applied Physics with OpenFOAM (NUMAP-FOAM) for graduate students and young researchers in Zagreb in August 2019. The Programme Chairs are Professor Hrvoje Jasak and Professor Zeljko Tukovic.


Description

The School aims to provide tuition at expert level for a small and selected group of students and researchers in academia and industry. The idea of the NUMAP-FOAM School is to expand the physical modelling knowledge, numerics and programming skills of attendees using OpenFOAM in their research through direct supervision and one-to-one project work. Lectures on chosen topics of mathematical and numerical modelling pertinent to coupled problems in engineering and applied physics will be delivered in addition. For further references, please contact the organisers or one of more than 170 alumni of previous editions of the School.

To ensure quality of work and individual supervision, the number of places is strictly limited.


Place and Time

The Summer 2019 edition NUMAP-FOAM shall take place between Monday 19 August and Friday 30 August 2019, inclusive (10 working days). The School shall be held at the Faculty of Mechanical Engineering and Naval Architecture, University of Zagreb, Ivana Lucica 5, Zagreb, Croatia.


Topic Areas

Students are invited to propose their own topics for the School. Preference shall be given to project which require complex programming in OpenFOAM, advanced software design and implementation of complex and coupled physical models in OpenFOAM. Special topics for this year's Summer School are fluid-solid interaction, modelling of solidification phase change and Discontinuous Galerkin Discretisation.


How to Apply: NUMAP-FOAM Summer School 2019

To apply, please write a one-page description of the project you wish to work on, with current problems and goals to be achieved at the School. Application is open to all students on graduate University courses, as well as researchers in companies and government organisations with sufficient knowledge of OpenFOAM.

Please note this is NOT an introductory OpenFOAM course: significant understanding of the project and software is a pre-requisite for application.

Deadline for application is 1 May 2019. Successful candidates will be informed within three weeks of closing.


Accommodation and Costs

Attendees to the School should plan to cover their travel and accommodation expenses, ideally bringing a laptop computer with them. A registration fee for the School is EUR 2000 per attendee.


Contact Details

For further details and submission of project proposals, please contact prof. Hrvoje Jasak at hrvoje.jasak@fsb.hr. For local organisational details please contact NUMAP-FOAM Secretary Mrs. Silvana Skoko-Gavranovic at silvana.skoko-gavranovic@fsb.hr.
► OpenFoam virtual course at the University of Granada, Spain
    1 Mar, 2019
OpenFoam virtual course at the University of Granada, Spain.

The proposal focuses on a course of basic and intermediate management of numerical simulation of fluid problems, with practical interest in engineering and science.

A structure is proposed in 5 weeks. In total there are 20 hours of video, 15 hours of questionnaires and 15 hours of final workshop with a review system.

The modality chosen for this course is virtual. Therefore, it has the characteristics of a course of this type. It allows the student complete flexibility, in terms of how to organize their time to view the explanatory videos and perform the different tasks and workshops that are proposed.

More information at: https://cemed.ugr.es/curso/19gr05/

Price: € 110
Start: March 4, 2018

OpenFOAM Wiki top

► User talk:Thomas utz
  16 Jul, 2019

Welcome!

New page

'''Welcome to ''OpenFOAMWiki''!'''
We hope you will contribute much and well.
You will probably want to read the [[https://www.mediawiki.org/wiki/Special:MyLanguage/Help:Contents|help pages]].
Again, welcome and have fun! [[User:Bgschaid|Bgschaid]] ([[User talk:Bgschaid|talk]]) 00:25, 16 July 2019 (CEST)
► User:Thomas utz
  16 Jul, 2019

Creating user page for new user.

New page

I am currently working at Schott AG in Mainz.
My main interest lie in flows with heat transfer, especially including radiation, high viscosities and free surfaces.
At Schott I am mainly working on the simulation of hot forming processes for glass.

Before that, I did my PhD at the institute of fluid dynamics at TU Darmstadt, where I researched on sharp interface methods for discontinuous Galerkin schemes.
My thesis is titled "Level set methods for high-order unfitted discontinuous Galerkin schemes", published in June 2018.
► User:Thomas utz
  16 Jul, 2019

User account Thomas utz was created by Bgschaid


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