Results 11 to 20 of about 14,989 (305)
Polyimide aerogels for ballistic impact protection [PDF]
Scientific Reports, 2022 The ballistic performance of edge-clamped monolithic polyimide aerogel blocks (12 mm thickness) has been studied through a series of impact tests using a helium-filled gas gun connected to a vacuum chamber and a spherical steel projectile (approximately ...
Sadeq Malakooti +9 more
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A machine learning model for predicting the ballistic impact resistance of unidirectional fiber-reinforced composite plate [PDF]
Scientific Reports, 2021 It has been a vital issue to ensure both the accuracy and efficiency of computational models for analyzing the ballistic impact response of fiber-reinforced composite plates (FRCP). In this paper, a machine learning (ML) model is established in an effort
X. D. Lei +5 more
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Myocardial Contusion Due to Ballistic Impact Force. [PDF]
JACC Case RepMyocardial contusion typically occurs from blunt cardiac trauma often due to motor vehicle collisions and falls from a significant height. Gunshot wounds may cause compression and stretching of tissue from the sonic pressure waves that precedes the bullet.
Iqbal SB +4 more
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Ballistic impact response of steel fiber-metal laminates
MATEC Web of Conferences, 2018 In this article, the ballistic impact response of square clamped fiber-metal laminates and monolithic plates consisting of different metal alloys is investigated using the ANSYS LS-DYNA explicit nonlinear analysis software.
Bikakis George +3 more
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A NUMERICAL MODEL FOR BALLISTIC IMPACT RESPONSE OF COMPOSITE ARMORS
Havacılık ve Uzay Teknolojileri Dergisi, 2018 In this study, we present a numerical model to simulate the ballistic impact of a rigid right circular cylinder (RCC) projectile into a woven fabric target.
Demet Balkan, Seher EKEN
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Modeling and Simulation of Ballistic Impact [PDF]
, 2016 Numerical simulations are increasingly becoming an important tool to obtain efficient designs of protective structures, and the existing literature shows that many phenomena can be accurately described by standard methods and models. This thesis, specifically, focuses on novel methods of modeling and simulating ballistic impact.
Holmen, Jens Kristian
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Ballistic impact on concrete slabs: An experimental and numerical study [PDF]
EPJ Web of Conferences, 2021 The ballistic perforation resistance of 50 mm thick concrete slabs impacted by 20 mm diameter ogive-nose steel projectiles is investigated experimentally and numerically. Three commercially produced concretes with nominal unconfined compressive strengths
Kristoffersen Martin +3 more
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Alumina and low density polyethylene composite for ballistics applications
Journal of Materials Research and Technology, 2021 The efficiency of alumina and low-density polyethylene (LDPE) composites in ballistic applications was investigated. Different concentrations of alumina were studied, 70, 75, 80, 85, 90 wt.%. The ballistic tests were carried out at subsonic speed using a
Marcio Jardim Oliveira +3 more
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Response to Ballistic Impact of Alumina-UHMWPE Composites [PDF]
Materials Research, 2018 The response to ballistic impact of alumina-ultra high molecular weight polyethylene (UHMWPE) composites with different relative concentrations of alumina was investigated. The impact tests were carried out at subsonic speed using a compressed air system.
André Ben-Hur da Silva Figueiredo +5 more
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Metals, 2023 An internal state variable (ISV)-based constitutive model has been used within a Lagrangian finite element analysis (FEA) framework to simulate ballistic impact of monolithic rolled homogenous armor (RHA) steel plates by RHA steel spheres and cylinders ...
Luke Peterson +3 more
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