Award Data

DTRA’s mission requires finding the match between the research and definition of explosive’s formulation and warhead performance properties and the defining of the expected explosive effects to defeat target structures (e.g., produce fragmentation, perform some chemical, biological defeats) which are different target effects than “simply blowing things up” (e.g., fragmentation).  Even in ...

A generalized network topology-aware algorithm has been developed that efficiently maps structured and unstructured domains onto available nodes to minimize MPI message passing costs. The methodology utilizes sub-domain inter-dependency information, readily available from standard domain decomposition codes, along with a simulated annealing optimization technique to automatically assign sub-blocks ...

Combustion Research and Flow Technology, Inc. (CRAFT Tech) and the University of Illinois at Urbana-Champaign (UIUC) have teamed up to provide DTRA with an innovative approach to develop new combined effects explosives (CEX) formulations. CEX represent a class of recently-developed aluminized explosives seeking to provide the performance of both (i) high-energy explosives and (ii) high-blast explo ...

DTRA and other DoD agencies are currently seeking earth penetrators with higher efficiency for reaching deeply buried targets. Current penetrator materials and designs suffer from high levels of frictional drag, unbalanced resistance due to lateral forces and localized melting of the warhead leading to shape change and further instability. General Sciences, Inc. (GSI) has developed a method for en ...

There is an urgent need to procure for our military forces on the ground in Iraq and in other locations technology and equipment which provide the capability to effectively and immediately detect, assess, and defend against the threat from Improvised Explosive Devices (IEDs). It is believed that this same threat, applied to Weapons of Mass Destruction (WMD) dispersal, could also increasingly beco ...

The task of computationally simulating the dispersion and/or neutralization of toxic chemical/biological (CB) agents, released from weapons of mass destruction (WMD), puts a very high demand on the capability of current generation computational dynamics (CFD) codes. Current advanced computational tools for WMD threat simulation fail to address the necessary physics, do not incorporate emerging com ...

A NOVEL SET OF HIGHLY EXOTHERMIC AND ESSENTIALLY GASLESS (CONDENSED PHASE) REACTIONS WILL BE INVESTIGATED IN ORDER TO SELECT THE COMPOSITION WHICH PROVIDES THE MOST APPROPRIATE METHOD OF SIMULATING RADIANT FLUXES EQUIVALENT TO THOSE ENCOUNTERED IN NUCLEAR AIR BLASE ENVIRONMENTS. THE PROPOSED CONCEPT IS CAPABLE OF GENERATING PEAK TEMPERATURES IN EXCESS OF 3200 DEG K AND RADIATION FLUXES UP TO 200 C ...

THE NEED TO REDUCE WEIGHT IN REENTRY VEHICLE (RV) DESIGNS HAS BECOME A CRITICAL ISSUE WITHIN THE RV DESIGN COMMUNITY. AS SUCH, RV DESIGNERS ARE LOOKING TO THE USE OF HIGH STRENGTH TO WEIGHT RATIO MATERIALS SUCH AS THAT OFFERED BY GRAPHITE EPOXY AS A REPLACEMENT FOR THOSE STRUCTURAL MATERIALS CURRENTLY IN PLACE. THIS PHASE I PROGRAM SHALL INVESTIGATE THE IMPACT OF TYPICAL RV NUCLEAR HARDNESS REQUIR ...