Results 51 to 60 of about 145,730 (199)

The interaction between a shaped charge jet and a single moving plate

open access: yesDefence Technology
Reactive armour is a very efficient add-on armour against shaped charge threats. Explosive reactive armour consists of one or several plates that are accelerated by an explosive.
Andreas Helte   +2 more
doaj   +1 more source

Mechanical Behavior of Ultrafine Gradient Grain Structures Produced via Ambient and Cryogenic Surface Mechanical Attrition Treatment in Iron

open access: yesMetals, 2015
Ambient and cryogenic surface mechanical attrition treatments (SMAT) are applied to bcc iron plate. Both processes result in significant surface grain refinement down to the ultrafine-grained regime; the cryogenic treatment results in a 45% greater grain
Heather A. Murdoch   +3 more
doaj   +1 more source

An improved composite ship magnetic field model with ellipsoid and magnetic dipole arrays

open access: yesScientific Reports
In order to simultaneously maintain the ship magnetic field modeling accuracy, reduce the number of coefficient matrix conditions and the model computational complexity, an improved composite model is designed by introducing the magnetic dipole array ...
Binjie Lu, Xiaobing Zhang
doaj   +1 more source

Design of lateral dynamic control objectives for multi-wheeled distributed drive electric vehicles

open access: yesEngineering Science and Technology, an International Journal
The lateral dynamic control system for electric vehicles aims to improve vehicle performance, making it critical to propose reasonable lateral dynamic control objectives.
Zili Liao   +3 more
doaj   +1 more source

Consensus Algorithms Based Multi-Robot Formation Control under Noise and Time Delay Conditions

open access: yesApplied Sciences, 2019
In recent years, the formation control of multi-mobile robots has been widely investigated by researchers. With increasing numbers of robots in the formation, distributed formation control has become the development trend of multi-mobile robot formation ...
Heng Wei   +4 more
doaj   +1 more source

Primary Explosive Blast-induced Traumatic Brain Injury Model in PC12 Cell Culture

open access: yesBio-Protocol, 2016
While it is understood that structural damage occurs at the cellular level from the traumatic brain injury event, the effect on functional activity remains largely unknown.
Thuvan Piehler   +2 more
doaj   +1 more source

Weapons Systems Evaluation Group hit probabilities chart, 1960

open access: yes, 1960
Instead of pursuing a career in academia, before even finishing his PhD Hugh Everett took a job as a research scientist at the Weapons Systems Evaluation Group at the Pentagon.
Weapons Systems Evaluation Group
core  

Report to the President of the United States

open access: yes, 2005
Final report of the Commission on the Intelligence Capabilities of the United States describing their activities and findings regarding the failure of the Intelligence Community to provide accurate information about Iraq's weapons of mass destruction. It
Commission on the Intelligence Capabilities of the United States Regarding Weapons of Mass Destruction
core  

Quantity Versus Quality in the Soviet Market for Weapons [PDF]

open access: yes
Military market places display obvious inefficiencies under most arrangements, but the Soviet defense market was unusual for its degree of monopoly, exclusive relationships, and intense scrutiny (in its formative years) by a harsh dictator. This provided
Mark Harrison, Andrei Markevich
core  

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