Intelligent Light and FieldView

UQ with Dakota & FieldView XDB Workflow at Overset Grids Symposium October 17–20, 2016

As CFD users increasingly exploit ultrascale HPC capability and approach the realm of exascale, they will run studies consisting of many related simulations at very high fidelity. This will give engineers and researchers both the ability and need to assess the quality of their simulations. When simulation quality has been vetted, engineering judgments and investment decisions can be made with confidence. 

Uncertainty Quantification (UQ) provides a means to support this need and Intelligent Light has been working on integrating UQ tools including Sandia National Lab's Dakota in an extract-based (XDB) workflow where processing takes place while solutions are in memory and data storage/transfer needs are dramatically reduced.

Dr. Earl P. N. Duque will present "Uncertainty Quantification with Dakota-OVERFLOW within an in situ based FieldView XDB Workflow" at the Overset Grids Meeting. Meet with Dr. Duque and Joe Oliver, Global Sales Manager, to learn how FieldView users are getting more information from their data. Put the latest in high-productivity post-processing, in situ processing and CFD data management techniques to work for you.

Intelligent Light is proud to sponsor this year's symposium which will be held at the Future of Flight Aviation Center in Mukilteo, Washington on October 17-20, 2016.

Attending? Request a meeting.

Presentation Abstract:

Uncertainty Quantification with Dakota-OVERFLOW Within an In Situ Based FieldView XDB Workflow
Authors:
Earl P.N. Duque, Intelligent Light
Dan Heipler, Intelligent Light

NASA has called out the integration of VV/UQ tools into engineering workflows as a vital component of its "CFD Vision 2030 Study". In that document, the authors assert that as exascale computing becomes available, the capability to perform many highly resolved CFD simulations will become ubiquitous, enabling the ability, and need, to perform UQ and sensitivity analysis. To address this need, this presentation summarizes current work whereby the Dakota code drives an ensemble of OVERFLOW2 jobs to explore a nested epistemic-aleatory parameter space. Concurrently, OVERFLOW2 instrumented with VisIt/Libsim creates FieldView XDB surfaces via in situ processing to reduce the data for post-hoc visualization and analysis. The presentation presents UQ concepts in general and their implementation within the current framework.

This work is sponsored by a DOE Office of Science grant (DE-SC0015162)


0 Comments

Announcing HPC FieldView - Aerospace America August 2016

aa16sept Announcing HPC FieldView
 

 

0 Comments

European Rotorcraft Forum September 5-8, 2016

Comparing many different CFD cases is often complicated by the use of differing meshes, solver codes and time intervals. Intelligent Light is working with CFD users in industry to develop and demonstrate engineered workflows to support the direct comparison of varied data.

The helicopter community seeks quality methods that allow for cost effective, accurate and timely simulations of hovering flight. The Helicopter Hover Prediction Workshop 2016 provides an opportunity to apply a standardized, automated post-processing workflow that eases dataset comparison, report generation and knowledge extraction for a diverse set of CFD results derived from varied models and solvers. 

Dr. Earl P. N. Duque, Intelligent Light's Manager of Applied Research and Yves-Marie Lefebvre, FieldView Product Chief participated in the European Rotorcraft Forum September 5-8, 2016, in Lille, France. Dr. Duque presented in the aerodynamics track and  the CFD workflow that enabled the work has applications for all CFD users. 

The Behavior of Wake and Air Loads of Helicopter Hover Simulations from the AIAA Hover Prediction Workshop
Earl P.N. Duque, Intelligent Light
Atsushi Toyoda, Intelligent Light
Michael D. Burklund, Intelligent Light
Nathan Hariharan, HPCMP CREATE-AV
Christopher P. Stone, Computational Science & Engineering, LLC

European Rotorcraft Forum, 6 September, 2016, 16:00.

​Direct comparisons of the CFD simulation results and the standardized post-processing scheme based upon FieldView will be demonstrated.The workflow tracks the helicopter rotor tip vortex core for quantitative comparisons while Iso-surfaces and coordinate cut planes of Q-criterion were created and saved as FieldView XDB files for qualitative comparisons. These surface extracts allow interactive viewing and direct comparisons of the predicted wakes using multi window graphical displays.

Special thanks to our partners at R Systems and Cray, Inc. for their support.

0 Comments

VisIt Prime training seminar at Tokyo University of Science

Intelligent Light will deliver a customized training session for the use and deployment of VisIt Prime, our new software and service package. We have been at work hardening and developing VisIt to become a useful and reliable engineering tool with top notch commercial support. Leading CFD customers in Japan will receive training from Brad Whitlock, a primary VisIt developer. Mr. Whitlock offers his expertise in the use of in situ processing for HPC environments and educate trainees in the use of both VisIt and Libsim for in situ processing.

Event details:
31 August, 2016, 10:00
Tokyo University of Science, Katsushika campus (6-3-1 Shinjuku, Katsushika-ku, Tokyo)

To request more information, please email Atsushi Toyoda from our Asia Pacific Technical Office

Intelligent Ligh(弊社)の新製品・サービスであるVisIt Primeのセミナーを開催いたします。弊社ではオープンソースのVisItが業務レベルで使用できるよう、改良およびサポート体制を整えて参りました。本セミナーではVisItの著者であるBrad Whilockが講師として、HPC環境において可視化プロセスがソルバーメモリに直接アクセスするin situのご説明とVisItとLibsimを用いたin situ化のご説明をハンズオントレーニングを含めて行わせて頂きます。

日時
2016年8月31日
東京理科大学葛飾キャンパス
お問い合わせ先

Intelligent Light, アジア太平洋技術オフィス 豊田
at@ilight.com

0 Comments

Come See us at the Pointwise User Group Meeting

The Pointwise User Group Meeting is coming on September 21-22, 2016 in Fort Worth, Texas and we'll be there. Visit with Joe Oliver, Global Sales Manager to learn how FieldView users are getting more information from their data using the latest in high-productivity post-processing, in situ processing and CFD data management techniques. From grid generation through the delivery of actionable information, the CFD workflow is changing rapidly to keep up with the complexity of high fidelity simulations and the rate at which results can be generated using the compute systems of today.

Mr. Oliver will have a booth and be available to discuss ideas, answer your questions and demonstrate FieldView capabilities. If you will be attending and would like to schedule time with Joe, please Request a meeting.

0 Comments