【摘 要】
:
传统的连续介质力学是与绝对尺度无关,它不能解释微、纳米尺度所展现的尺度效应。在微米尺度考虑应变梯度,在纳米尺度引入表面效应,能够很好得解释微纳米尺度的尺度依赖性。本文简要总结了作者在这一领域的一些研究成果。在传统的压电理论中,引入转动梯度的影响,发展了相关的理论模型。考虑应变梯度和界面相的影响,计算了纳米多晶材料的有效性质。分析了表面效应对纳米夹杂静、动态弹性场,纳米元件弹性行为、接触问题的影响等
论文部分内容阅读
传统的连续介质力学是与绝对尺度无关,它不能解释微、纳米尺度所展现的尺度效应。在微米尺度考虑应变梯度,在纳米尺度引入表面效应,能够很好得解释微纳米尺度的尺度依赖性。本文简要总结了作者在这一领域的一些研究成果。在传统的压电理论中,引入转动梯度的影响,发展了相关的理论模型。考虑应变梯度和界面相的影响,计算了纳米多晶材料的有效性质。分析了表面效应对纳米夹杂静、动态弹性场,纳米元件弹性行为、接触问题的影响等。
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