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C1 natural element method (C1 NEM) is applied to strain gradient linear elasticity and size effects on microstructures are analyzed. The shape functions in C1 NEM are built upon the natural neighbor i...
用分子动力学的方法详细模拟纳米铜晶胞随温度与压强变化的规律,得到了铜晶胞体积弹性模量突变的敏感压强点。模拟结果表明:单晶铜的在压强小于75 GPa时体积弹性模量随温度升高而降低,随压强增大而增大;在压强大于75 GPa时,体积弹性模量随温度升高而增大,随压强增大而减小。
The paper presents the impact of the clamping ratio of a clamped beech (Fagus sylvatica) cantilever specimen on the calculation of a dynamic modulus of elasticity. First we measured the specimen’s fre...
Longitudinal changes of dynamic modulus of elasticity values (Efr) of logs for todomatsu (Abies sachalinensis) were investigated to clarify the best vertical region of the stem (height from ground lev...
The objective of this study was to examine the evaluation of modulus of elasticity (MOE) in mature wood using microfibril angle at an early stage of growth. Several wood qualities, such as latewood t...
Poly (lactic acid) (PLA) blends with biodegradable aliphatic polyester of butylene glycol and succinic- and adypic acids (Bionolle) were studied with respect to their usefulness for the preparation of...
Nonlocal elasticity is employed to evaluate the length-dependent in-plane stiffness of achiral and chiral single-walled carbon nanotubes. The length-dependent stiffness is revealed from the nonlocal e...
The purpose of this study is to promote the utilization as structural lumber of medium size logs of 80-years-old sugi (Cryptomeria japonica D. Don). We measured the dynamic Young's modulus by longitud...
The physical properties of agarose gel prepared under strong magnetic fields were investigated. The storage modulus was measured by the reflection method with an ultrasonic pulse. The measurement res...
实现将应用力学多个学科领域从欧几里德空间向辛几何空间的转换,建立了应用力学别开生面、统一的方法论。对偶体系扩大了解析求解范围,如求解了各向同性与异性板弯曲、层合板等问题的解析解;建立和完善了平面弹性与薄板弯曲问题的相似性理论,给出薄板弯曲和平面弹性问题的类H-R、类胡—鹫及多类变量变分原理,放弃传统的C1类连续性要求,构造了高效实用的板单元。对偶体系更易于促进力学与交叉学科领域的相互渗...
The exact solution of the quasi-static boundary value problem of plane elasticity in a rectangular region is constructed. This solution consisting of two parts satisfies both the conditions imposed on...

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