Search Results - "Niu, Zihua"

Moment tensor and stress inversion solutions of acoustic emissions during compression and tensile fracturing in crystalline rocks by Zihua Niu, Bing Qiuyi Li, Omid Moradian

“…We investigate the accuracy and robustness of moment tensor (MT) and stress inversion solutions derived from acoustic emissions (AEs) during the laboratory…”
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Analysis and design of an axial piston water-pump with piston valve by Luo, Xiaohui, Niu, Zihua, Shi, Zhaocun, Hu, Junhua

“…In this paper, we present a novel axial piston water-pump with piston valve, which carries out the flow distribution to drain and sucks water by the…”
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Thermo-poroelastic modelling of cement sheath: pore pressure response, thermal effect and thermo-osmotic effect by Niu, Zihua, Shen, Jiyun, Wang, Linlin, Yang, Rongwei

“…Cement sheath provides zonal isolation and structural support during oil/gas well exploitation. Mechanical behaviours of cement sheath are of increasing…”
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Modeling and Quantifying Parameter Uncertainty of Co‐Seismic Non‐Classical Nonlinearity in Rocks by Niu, Zihua, Gabriel, Alice‐Agnes, Seelinger, Linus, Igel, Heiner

“…Dynamic perturbations reveal unconventional nonlinear behavior in rocks, as evidenced by field and laboratory studies. During the passage of seismic waves,…”
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Analysis of doubly fed induction generator dynamic action to power angle oscillation by Zihua Niu, Gengyin Li, Ming Zhou, Junqiang Wei

“…In this paper, first, according to small signal stability theory, the sum of damping in all oscillation modes is proved to be increased after doubly fed…”
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Modeling and Quantifying Parameter Uncertainty of Co-seismic Non-classical Nonlinearity in Rocks by Niu, Zihua, Gabriel, Alice-Agnes, Seelinger, Linus, Igel, Heiner

“…Dynamic perturbations reveal unconventional nonlinear behavior in rocks, as evidenced by field and laboratory studies. During the passage of seismic waves,…”
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