Results 21 to 30 of about 81,596 (263)
A Penetration Method for UAV Based on Distributed Reinforcement Learning and Demonstrations
Drones, 2023 The penetration of unmanned aerial vehicles (UAVs) is an essential and important link in modern warfare. Enhancing UAV’s ability of autonomous penetration through machine learning has become a research hotspot.
Kexv Li +5 more
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Yantu gongcheng xuebao, 2019 The CYY formula, proposed by Cao, Youd and Yuan in 2013 and based on the field investigations of gravelly soil sites liquefied during the 2008 Wenchuan earthquake using the Chinese dynamic penetration test (DPT), has uncertainty regarding applicability ...
CAO Zhen-zhong 1, 3, Kyle M. Rollins 2, YUAN Xiao-ming 3, T. Leslie Youd 2, Michael Talbot 4, Jashod Roy 2, Sara Amoroso 5
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Nonlinear Constitutive Model of High-Temperature Viscoelastic Deformation of Gussasphalt Concrete
Advances in Materials Science and Engineering, 2022 To accurately evaluate the high-temperature stability of cast asphalt concrete, based on the traditional viscoelastic mechanical model, this paper innovatively improves the traditional viscoelastic mechanical model considering the conditions of ...
Shunxian Zhang +5 more
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Coal bursting tendency evaluation by needle penetration test
Meitan xuebao, 2023 The bursting tendency is the inherent mechanical property of coal, and the important basis for evaluating the degree of coal bursting risk in underground coal mine.
Yixin ZHAO, Ronghuan XIE, Yirui GAO
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EPJ Web of Conferences, 2017 The recent technological developments made on the light dynamic penetration test Panda 3 ® provide a dynamic load–penetration curve σp – sp for each impact.
Tran Quoc Anh +4 more
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Study on the Comparison of Zero Shear Viscosity and Capillary Viscosity of Road Asphalt
Chemical Engineering Transactions, 2017 The penetration and the penetration index, softening point of 60 °C and equivalent softening point, dynamic viscosity, dynamic shear rheological test, zero shear viscosity and multiple stress creep recovery modified asphalt high temperature ...
Mingxia Tao, Renan Ma
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Rigid elliptical cross-section ogive-nose projectiles penetration into concrete targets
Defence Technology, 2021 The elliptical cross-section ogive-nose projectile (ECOP) has recently attracted attention because it is well suited to the flattened shape of earth-penetrating weapons.
Xiang-hui Dai +5 more
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Dynamic cone penetration tests in granular media: Determination of the tip's dynamic load-penetration curve [PDF]
AIP Conference Proceedings, 2013 In this article a two-dimensional discrete numerical model, realized in PFC2D, is presented. This model is used in the dynamic penetration tests in a granular medium. Its objective being the validation of the measurement technique offered by Panda 3® (Benz et al.
E. Escobar +3 more
openaire +1 more source
Personalized Zebrafish Models for Fusion‐Positive Pediatric Sarcomas
Pediatric Blood &Cancer, EarlyView.ABSTRACT Clinical sequencing efforts have revolutionized our approaches to categorizing pediatric cancers in real time. This has dramatically improved our ability to profile pediatric tumors, identify actionable vulnerabilities, and influence clinical care.
Lisa H. Hall +2 more
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Analysis of Strength Effects on the Dynamic Response of a Shaped-Charge Under Lateral Disturbances
Applied SciencesTo study the variation law of the penetration power of energy-concentrated jets on target plates with different yield strengths under lateral disturbance, a finite element model of the dynamic penetration of energy-concentrated jets was established ...
Xuepeng Zhang +4 more
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