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| 1 | PARALLEL FINITE ELEMENT ANALYSIS OF HIGH FREQUENCY VIBRATIONS OF QUARTZ CRYSTAL RESONATORS ON LINUX CLUSTER显示文摘石英水晶共鸣器是典型压电的声学的波浪设备因为有在无线电频率(RF ) 的机械颤动频率的频率控制应用变化。颤动和变丑的精确分析通常在共鸣器设计和改进过程被要求。考虑包括电极,增长,象温度那样的偏爱地,起始的压力,和加速的存在。自然地,有限元素方法是为有多物理自然的如此的 a coupled 问题的唯一的有效工具。主要挑战是结果的线性方程的极其大的尺寸。为这个原因,我们一直在采用 Mindlin 板方程减少计算困难。另外,我们不得不在 Linux 簇上利用并行计算技术,它现在为学术、工业的应用程序是广泛地可得到的,到改进计算效率。我们的研究的一般原则是使用开放源代码软件部件和公共领域技术在 Linux 簇上为开发者和用户减少费用。我们明确地以一个网孔发电机开始因为矩形、圆形的类型的石英水晶共鸣器,和 Mindlin 板方程为有限元素分析被实现。象并行处理,处理的稀少的矩阵,和最近的特征值抽取包裹一样的计算技术集成于程序。它从我们簇上的这些算法和方法的联合能显著地满足记忆要求和还原剂计算时间的计算是清楚的。 | Ji Wang Yu Wang Wenke Hu Wenhua Zhao Jianke Du Dejin Huang | 2008 | Acta Mechanica Solida Sinica2008，21，6： | 4 |
| 2 | An impact dynamics analysis on a new crashworthy device against ship-bridge collision显示文摘 | Wang Lili Yang Liming Huang Dejin | 2008 | International Journal of Impact Engineering2008，35，： | 1 |
| 3 | Analytical solution for fixed-end beamsubjected touni- form load显示文摘 | DING Haojiang HUANG Dejin WANG Huiming | 2005 | Journal of Zhejiang University Science2005，6，8： | 1 |
| 4 | Hierarchical macro-microporous WPU-ECM scaffolds combined with Microfracture Promote in Situ Articular Cartilage Regeneration in Rabbits显示文摘Tissue engineering provides a promising avenue for treating cartilage defects.However,great challenges remain in the development of structurally and functionally optimized scaffolds for cartilage repair and regeneration.In this study,decellularized cartilage extracellular matrix(ECM)and waterborne polyurethane(WPU)were employed to construct WPU and WPU-ECM scaffolds by water-based 3D printing using low-temperature deposition manufacturing(LDM)system,which combines rapid deposition manufacturing with phase separation techniques.The scaffolds successfully achieved hierarchical macro-microporous structures.After adding ECM,WPU scaffolds were markedly optimized in terms of porosity,hydrophilia and bioactive components.Moreover,the optimized WPU-ECM scaffolds were found to be more suitable for cell distribution,adhesion,and proliferation than the WPU scaffolds.Most importantly,the WPU-ECM scaffold could facilitate the production of glycosaminoglycan(GAG)and collagen and the upregulation of cartilage-specific genes.These results indicated that the WPU-ECM scaffold with hierarchical macro-microporous structures could recreate a favorable microenvironment for cell adhesion,proliferation,differentiation,and ECM production.In vivo studies further revealed that the hierarchical macro-microporous WPU-ECM scaffold combined with the microfracture procedure successfully regenerated hyaline cartilage in a rabbit model.Six months after implantation,the repaired cartilage showed a similar histological structure and mechanical performance to that of normal cartilage.In conclusion,the hierarchical macro-microporous WPU-ECM scaffold may be a promising candidate for cartilage tissue engineering applications in the future. | Mingxue Chen YangYang Li Shuyun Liu Zhaoxuan Feng Hao Wang Dejin Yang Weimin Guo Zhiguo Yuan Shuang Gao Yu Zhang Kangkang Zha Bo Huang Fu Wei Xinyu Sang Qinyu Tian Xuan Yang Xiang sui Yixin Zhou Yufeng Zheng Quanyi Guo | 2021 | Bioactive Materials2021，6，7： | 1 |
| 5 | Analytical solution for fixed-end beam subjected to uni- form load显示文摘 | DING Haojiang HUANG Dejin WANG Huiming | 2005 | ZhejiangUnivSCI2005，6，8： | 1 |
| 6 | An impact dynamics analysis on a new crashworthy device against ship-bridge collision显示文摘 | Wang Lili Yang Liming Huang Dejin | 2008 | International Journal of Impact Engineering2008，35，： | 1 |
| 7 | An impact dynamics analysis on a new crashworthy device against ship-bridge collision显示文摘 | Wang Lili Yang Liming Huang Dejin | 2008 | International Journal of Impact Engineering2008，35，： | 1 |
| 8 | An impact dynamics analysis on a new crashworthy device against ship bridge collision显示文摘 | Wang Lili Yang Liming Huang Dejin | 2008 | International Journal of Impact Engineering2008，，35： | 1 |
| 9 | An Impact Dynamics Analysis on a New Crashworthy Device Against Ship-bridge Collision显示文摘 | Lili Wang Liming Yang Dejin Huang | 2008 | International Journal of Impact Engineering2008，35，8： | 1 |
| 10 | An impact dynamics analysis on a new crashworthy device against ship-bridge collision显示文摘 | Wang Lili Yang Liming Huang Dejin | 2008 | International Journal of Impact Engineering2008，35，： | 1 |
| 11 | Saturation level of Alfvén waves driven by Kelvin–Helmholtz instability显示文摘Alfve′n waves(AWs) can play an important role in the macroscopic dynamics as well as in the microscopic wave–particle interaction in various magnetoplasma environments. A very wide observed range of the relative amplitude of magnetic fluctuations of AWs from lower than 10-3in the terrestrial magnetosphere up to *1in the solar wind implies the complexity of saturation mechanisms of AWs. Taking account of the ion-neutral collision damping in a partially ionized plasma, the saturation level of AWs driven by the Kelvin–Helmholtz(K–H) instability is investigated in this paper. The intensified magnetic field due to the excited AWs may result in the saturation of the excited AWs when the growth rate is balanced by the damping rate. An equation determining the saturation level of the AWs is obtained. The results show that, for a fixed-frequency wave, the saturation level of the AWs considerably increases as the ionization degree increases as well as the sheared-flow velocity. On the other hand, for a fixed ionization degree the saturation level of the AWs slightly increases as the plasma b increases but decreases as the wave frequency increases. These results have potential importance for us to estimate the saturation level of AWs in space and astrophysical plasmas. | Ling Chen Dejin Wu Guoqing Zhao Jing Huang | 2014 | Chinese Science Bulletin2014，59，28： | 0 |
| 12 | Euler potentials'discontinuity in the presence of field line-aligned currents显示文摘Since their use in the study of charged particle motion in the 1960s,Euler potentials(α ,β)have been widely employed as magnetic field coordinates in both space plasma and fusion plasma studies.People related them to magnetic vector potential A via the relation A=α▽β subject to gauge condition A·B=0(B is the magnetic induction).For a given magnetic field,the Euler potentials are often constructed with the relation B·△ S=△α△βon a surface that crosses the field lines,where △ S is the area-element surrounding by two line-elements corresponding to the changes in α and β,then mapping the values of α and βalong field lines into space.In this short paper,we show that in the presence of field line-aligned currents,the mapping does not work and the orthogonality gauge condition is not satisfied. | HUANG TianSen WU DeJin | 2012 | Chinese Science Bulletin2012，57，12： | 0 |
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