Search Results - "Zheng, J.Q"

Multi-scale experiments on soft body armors under projectile normal impact by Chen, W., Hudspeth, M., Guo, Z., Lim, B.H., Horner, S., Zheng, J.Q.

“…•This article summarizes the recent experimental research at Purdue University on the transverse impact response and failure of soft body armors at scales from…”
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Analytical models for the impact of a solid sphere on a fluid-filled spherical shell incorporating the stress wave propagation effect and their applications to blunt head impacts by Li, Y.Q., Gao, X.-L., Horner, S.E., Zheng, J.Q.

“…•A new analytical (non-linear) model for the impact of a solid sphere on a fluid-filled spherical shell is developed by including the stress wave propagation…”
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The effects of environmental conditioning on tensile properties of high performance aramid fibers at near-ambient temperatures by Abu Obaid, A., Deitzel, J.M., Gillespie, J.W., Zheng, J.Q.

“…Aramid and aramid copolymer fibers are used in a wide variety of military and civilian applications; however, the long-term effects of environmental exposure…”
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Material parameters for pressure-dependent yielding of unidirectional fiber-reinforced polymeric composites by Batra, R.C., Gopinath, G., Zheng, J.Q.

“…We study elasto-plastic deformations of unidirectional fiber reinforced polymeric composites (UFPCs) with fibers assumed to deform elastically and the matrix…”
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Ballistic performance of ceramic and ceramic-metal composite plates with JH1, JH2 and JHB material models by Islam, Md Rushdie Ibne, Zheng, J.Q., Batra, Romesh C.

“…•Spalling, conoid formation, fragmentation and crack branching in the ceramic, and bending/stretching of metal backing plates during impact by steel rods are…”
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Ballistic helmets – Their design, materials, and performance against traumatic brain injury by Kulkarni, S.G., Gao, X.-L., Horner, S.E., Zheng, J.Q., David, N.V.

“…Protecting a soldier’s head from injury is critical to function and survivability. Traditionally, combat helmets have been utilized to provide protection…”
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Damage and failure in low energy impact of fiber-reinforced polymeric composite laminates by Batra, R.C., Gopinath, G., Zheng, J.Q.

“…► Consideration of elasto-plastic deformations of the polymer matrix. ► Delineation of damage initiation and progression. ► Determination of initiation times…”
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Effect of matrix on ballistic performance of soft body armor by Gopinath, G., Zheng, J.Q., Batra, R.C.

“…We analyze three-dimensional (3-D) deformations of soft body armor in the form of a clamped rectangular plate impacted at normal incidence by a projectile…”
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Optimization of deconvoluted parameter for the quantification of high-resolution SIMS depth profiles by Li, T.T., Zhuang, X.M., Li, H.M., Xu, Y.X., Ma, Z.Q., Zheng, J.Q., Geng, Y.Q., Wang, C.L., Lian, S.Y., Wang, J.Y., Xu, C.K.

“…It is demonstrated in this paper that the searching step τ in the TV-Tikhonov algorithm plays an important role for determining the original layer structure…”
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Stacking sequence optimization for maximizing the first failure initiation load followed by progressive failure analysis until the ultimate load by Taetragool, U., Shah, P.H., Halls, V.A., Zheng, J.Q., Batra, R.C.

“…For laminated plates deformed statically with transverse normal tractions applied on a major surface, we use honeybees inspired Nest-Site Selection (NeSS)…”
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A transversely isotropic visco-hyperelastic constitutive model for soft tissues by Kulkarni, S G, Gao, X-L, Horner, S E, Mortlock, R F, Zheng, J Q

“…A transversely isotropic visco-hyperelastic constitutive model is provided for soft tissues, which accounts for large deformations, high strain rates, and…”
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Ballistic Impact of Twaron CT709® Plain Weave Fabrics by Gogineni, S., Gao, X. -L., David, N. V., Zheng, J. Q.

“…The ballistic impact of Twaron CT709® plain weave fabrics is studied using a three-dimensional fabric model. The model is developed by treating each individual…”
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Natural Transfer of Viable Microbes in Space: 1. From Mars to Earth and Earth to Mars by Mileikowsky, Curt, Cucinotta, Francis A., Wilson, John W., Gladman, Brett, Horneck, Gerda, Lindegren, Lennart, Melosh, Jay, Rickman, Hans, Valtonen, Mauri, Zheng, J.Q.

“…The possibility and probability of natural transfer of viable microbes from Mars to Earth and Earth to Mars traveling in meteoroids during the first 0.5 Ga and…”
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Effect of continuous infusion of midazolam on immune function in pediatric patients after surgery by Lu, H B, Jia, Y P, Liang, Z H, Zhou, R, Zheng, J Q

“…The current study was performed to investigate the effects of midazolam on immune function in pediatric patients after surgery and possible mechanism involved…”
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Genome-wide identification, phylogenetic relationships, and expression analysis of the carotenoid cleavage oxygenase gene family in pepper by Zhang, X H, Liu, H Q, Guo, Q W, Zheng, C F, Li, C S, Xiang, X M, Zhao, D F, Liu, J, Luo, J, Zhao, D K, Zheng, J Q, Wan, H J

“…Carotenoid cleavage oxygenases (CCOs) are a family of dioxygenases, which specifically catalyze the cleavage of conjugated double bonds in carotenoids and…”
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Composition and function of microbial communities during the early decomposition stages of foliar litter exposed to elevated CO₂ concentrations by Zheng, J.Q, Han, S.J, Wang, Y, Zhang, C.G, Li, M.H

“…Foliar litter derived from trees exposed to elevated CO₂ concentration decreases in quality relative to foliar litter exposed to ambient CO₂. This change in…”
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Periodic variation of Oort Cloud flux and cometary impacts on the Earth and Jupiter by Nurmi, P., Valtonen, M.J., Zheng, J.Q.

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Periodic variation of Oort Cloud flux and cometary impacts on the Earth and Jupiter by Nurmi, P., Valtonen, M.J., Zheng, J.Q.

“…Time variation in impact probability is studied by assuming that the periodic flux of the Oort Cloud comets within 15-au arises from the motion of the Sun with…”
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Risks threatening viable transfer of microbes between bodies in our solar system by Mileikowsky, Curt, Cucinotta, Francis A, Wilson, John W, Gladman, Brett, Horneck, Gerda, Lindegren, Lennart, Melosh, Jay, Rickman, Hans, Valtonen, Mauri, Zheng, J.Q

“…A fraction of the number of ejecta expelled from a planet by comet or asteroid impacts end up landing on another planet. If microorganisms were living in the…”
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Effects of deposition rate and substrate temperature on the orientation and the growth of YBa/sub 2/Cu/sub 3/O/sub x/ thin films by Zheng, J.Q., Wang, X.K., Shih, M., Williams, S., So, J., Lee, S.J., Dutta, P., Chang, R.P.H., Ketterson, J.B.

“…The authors report in situ studies of film growth by sputtering using synchrotron X-rays. The structure and growth habit of YBa/sub 2/Cu/sub 3/O/sub 7/ (YBCO)…”
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