国家自然科学基金(10662004)

作品数:5被引量:15H指数:2
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相关作者:陈梦成黄模佳郑腾龙刘战伟谢惠民更多>>
相关机构:华东交通大学南昌大学清华大学更多>>
相关期刊:《Science China(Physics,Mechanics & Astronomy)》《固体力学学报》《Acta Mechanica Sinica》更多>>
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Direction-dependent functions of physical properties for crystals and polycrystals
《Acta Mechanica Sinica》2009年第5期639-649,共11页Mojia Huang Mengcheng Chen Tenglong Zheng 
supported by the National Natural Science Foundation of China (10562004, 10662004);the Jiangxi Project to Nurture Academic and Technical Leaders in Targeted Areas;the Research Fund for the Docotoral Program of Higher Education (20070403003);the Natural Science Foundation of Jiangxi of China (2008GZW0005).
Some physical properties of crystals differ in direction n because crystal lattices are often anisotropic. A polycrystal is an aggregate of numerous tiny crystallites. Unless the polycrystal is an isotropic aggregate ...
关键词:Direction-dependent function Orientation distribution function Physical properties of crystals and polycrystals 
立方晶粒各向异性多晶体的弹性张量和超声波速被引量:6
《中国科学(G辑)》2008年第6期721-729,共9页黄模佳 陈梦成 郑腾龙 黄为福 
国家自然科学基金(批准号:10562004,10662004);江西省主要学科学术和技术带头人培养计划;江西省自然科学基金(编号:0512021);江西省教育厅科技计划项目(编号:2006-03);国家留学回国人员科研启动基金资助项目
多晶体中的晶粒取向分布可通过取向分布函数(orientation distribution function,ODF)表示.取向分布函数(ODF)可在Wigner D-函数基下展开,其展开系数称为织构系数.利用Clebsch-Gordan表达式推导出立方晶粒各向异性集合多晶体的弹性张量...
关键词:弹性张量 立方晶粒各向异性 集合多晶体 织构系数 超声波速 Clebsch-Gordan表达式 
Elasticity tensor and ultrasonic velocities for anisotropic cubic polycrystal
《Science China(Physics,Mechanics & Astronomy)》2008年第8期1097-1105,共9页HUANG MoJia CHEN MengCheng ZHENG TengLong HUANG WeiFu 
the National Natural Science Foundation of China (Grant Nos. 10562004 and 10662004);the Jiangxi Project to Nature Academic and Technical Leaders in Targeted Areas, and Research Fund for the Doctoral Program of Higher Education (Grant No. 20070403003)
The orientation distribution of crystallites in a polycrystal can be described by the orientation distribution function(ODF) . The ODF can be expanded under the Wigner D-bases. The expanded coefficients in the ODF are...
关键词:elasticity tensor ANISOTROPIC CUBIC POLYCRYSTALS texture coefficients ultrasonic VELOCITIES Clebsch-Gordan expression 
压电材料V型切口端部电弹性场研究被引量:2
《固体力学学报》2008年第1期78-84,共7页平学成 陈梦成 谢惠民 刘战伟 
国家自然科学基金项目(10362002,10662004);江西省自然科学基金项目(2007GZW0862);江西省教育厅科学研究项目(2007-198)资助
通过广义Hellinger-Reissner变分原理导出了一个环绕V型切口端部邻域的超级奇异单元,并将其与全域压电杂交元结合,建立了一种新型数值求解压电材料切口端部奇异电弹性场的杂交元模型.为了验证该模型的有效性,以含V型切口的三点弯曲试件...
关键词:压电材料 切口 奇异电弹性场 杂交元法 云纹干涉实验 
Constitutive relation of weakly anisotropic polycrystal with microstructure and initial stress被引量:7
《Acta Mechanica Sinica》2007年第2期183-198,共16页Mojia Huang Hua Zhan Xiuqiao Lin Hai Tang 
the National Natural Science Foundation of China(10562004,10662004);the Natural Science Foundation of Jiangxi of China(0512021);the Science Foundation of Jiangxi Educational Department of China([2006]3);the Foundation of Train
Man (Nondestr Test Eval 15:191-214, 1999) derived the constitutive relation of a weakly-textured orthorhombic aggregate of cubic crystallites with effects of microstructure and initial stress. In this paper, a comp...
关键词:Generalconstitutive relation of weakly-textured polycrystal .Microstructure Initial stress .Cubic crystallites 
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