The Synthetik Applied Technologies team is excited to announce the implementation and validation of the JWL Reactive Flow model as part of our free and open-source CFD airblast code blastFoam.
The JWL Reaction Flow model was developed at Lawrence Livermore National Laboratory and allows the addition of kinetics to detonation events i.e., the time-dependence of the explosive’s chemical reaction, while still enabling efficient, scalable calculations suitable for engineering and design. It’s addition greatly enhances timing accuracy and load characterization especially for near-contact explosive scenarios.
The model allows mixing of unreacted and reacted materials within the simulated explosive charge and provides a reaction rate equation governing the transformation from products to reactants. It allows phenomena such as size effect (decrease of the detonation velocity with decreasing charge radius), and detonation front curvature (induced by edge lag of the front as energy is lost to the exterior of the charge) to be accurately captured.
Advantageously, the model does not require pre-run calculations and can propagate in 3-D without the requirement to pre-define the path of propagation.
blastFoam development is currently being funded under contract with U.S. Department of Defense, and the open-source public release code is available for download on GitHub.
@LLNL #blastFoam #blast #CFD #OpenFOAM #opensource
Videos of our validation simulations can be viewed here:
References:
1. Souers, P. C., Anderson, S., Mercer, J., McGuire, E. & Vitello, P. JWL : A Simple Reactive Flow Code Package for Detonation. 5 (2000).
2. Guilkey, J. E., Harman, T. B. & Banerjee, B. An Eulerian–Lagrangian approach for simulating explosions of energetic devices. Computers & Structures 85, 660–674 (2007).
blastFoam is available for free download here:
Learn more about Synthetik Applied Technologies here:
53 views
140
17
2 months ago 00:07:32 1
Цунами идет на Россию. Гигантские волны и шторм Британия Наводнение Италия Взрыв вертолета США Пожар
2 months ago 00:08:40 1
Ураган Оскар уничтожает остров в Америке Наводнение смывает Европу Италия Потоп в Африке Взрыв США
2 months ago 00:10:00 1
Прорыв дамбы в Европе. Наводнение Италия Франция Шторм Америка. Взрыв Пожар США. Ядовитая река Индия
2 months ago 00:14:46 5
Racer X Films: 1996 McGrath Themed Honda CR250R Garage Build Project Bike
3 months ago 00:05:26 1
Absolute Classic Cars. 1967 Morris Minor 1000 Deluxe - Bare shell restoration to Concours - SOLD
3 months ago 00:03:08 5
Best Language School in Brazil
4 months ago 00:00:52 2
Electric Automatic Mag-Fed Foam Disc Shooter Gameplay
4 months ago 00:04:20 1
1950 Mercury 4 Door Sport Sedan - Gateway Classic Cars St. Louis - #6448
5 months ago 00:20:14 1
How to steal 140,000,000 ings | Beyond the Blight
8 months ago 00:00:30 1
Paddling the Point 65 K100 Tequila!: The World’s Longest Kayak
8 months ago 00:01:23 1
Foamstars - Launch Trailer | PS5 & PS4 Games
9 months ago 00:03:36 1
Hell is empty (and all the devils are here)
9 months ago 00:00:46 1
ASICS SportStyle | GEL-QUANTUM 360™ VIII | From routine to passionate
11 months ago 00:01:02 2
Foamstars - Season Information Announce Trailer | PS5 & PS4 Games
11 months ago 00:11:19 1
Сравнение 32 МЕЖПОДОШВ. NIKE vs ADIDAS vs ASICS vs HOKA vs SAUCONY
12 months ago 00:48:30 1
A Conveyor Belt Take-off | MythBusters | Season 5 Episode 28 | Full Episode
12 months ago 00:00:44 1
ASICS Running | GEL-NIMBUS™ 26 | Add comfort to every step
1 year ago 00:00:59 1
Polish MP uses fire extinguisher to snuff out Jewish menora in parliament
1 year ago 00:10:04 1
Best NERF Blaster Under $100 - XYL Unicorn
1 year ago 00:02:25 3
Pleasure Venom - We Get What You Deserve [Official Music Video]
1 year ago 00:12:20 6
1974 Volkswagen Thing 181 for sale at Volo Auto Museum (V21108)
1 year ago 01:08:04 5
Aerosol Guitar Finishing – Part 1 – Prep Sanding, Pore Filling and Sealer Coats
1 year ago 00:53:01 5
Aerosol Guitar Finishing – Part 2 – Spraying Color Coats and Clear Coats
1 year ago 00:14:46 1
Поделки от Наилюшки: подставка для книг Гарри Поттер, Косая Аллея | Harry Potter Book Nook