小麦抗倒伏的力学分析

摘要

The mechanical model for wheat lodging was established, and a formula about wheat lodging moment was extracted by using multi-degree systems vibration theory. Compared with wheat lodging resistance moment, we can get a total evaluation and prediction about wheat lodging resistance. The lodging and lodging resistance moments were calculated for wheat. Numerical tests verify that the model is reasonable.%利用多自由度系统振动的理论,建立了小麦抗倒伏的力学模型,分析了典型风荷载对小麦的影响,推导出小麦的倒伏弯矩计算公式,并与小麦的抗倒伏弯矩比较,可对小麦的抗倒伏能力进行评价和预测.以一种小麦为计算实例,计算出倒伏弯矩和抗倒伏弯矩,数值试验验证了模型的合理性和实用性.