Unverified50% confidenceFactExact time
唱针运动方程可用常微分方程组描述，通过Runge-Kutta等数值积分方法求解，有限元方法（FEM）可精确计算接触区域应力分布但计算量极大
1
Sources
50%
Confidence
Long-term
Relevance
7/14/2026
First Seen
Sources
Frieve Vinyl：微观物理模拟如何还原黑胶唱针发声机制
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