在两个维度上挤压金属丝
Crumpling wires in two dimensions
摘要：
提出了一种能量最小模拟方法，用于研究二维金属丝弹性皱曲的形态和力学性能。我们改变弯曲刚度和拉伸模量来测量能量分配、尺寸质量指数和刚度指数。质量指数被证明是普遍的值$D_{M}=1.33$。我们还发现，刚度指数$α=-0.25$具有普适性，但随塑性参数$s$和$θ_{p}$而变化。这些数值结果与实验结果吻合得很好。
英文摘要：
An energy-minimal simulation is proposed to study the patterns and mechanical properties of elastically crumpled wires in two dimensions. We varied the bending rigidity and stretching modulus to measure the energy allocation, size-mass exponent, and the stiffness exponent. The mass exponent is shown to be universal at value $D_{M}=1.33$. We also found that the stiffness exponent $α=-0.25$ is universal, but varies with the plasticity parameters $s$ and $θ_{p}$. These numerical findings agree excellently with the experimental results.
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