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On a new harmonic selection technique for harmonic balance method

机译:谐波平衡法的一种新的谐波选择技术

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摘要

This paper is intended to present a new harmonic selection technique when solving nonlinear dynamic systems with the harmonic balance method. This technique belongs to the class of method called the adaptive harmonic balance method (AHBM). The harmonic selection is based on the use of a tangent predictor and relies on a stepwise regression procedure that allows for a dynamic management of the number of selected harmonics via an addition or removal procedure. The efficiency of this method relative to the classical harmonic balance method (HBM) is then evaluated through examples; this later step will indicate that AHBM can significantly reduce the number of variables, thus leading to computational time savings without deteriorating solution quality.
机译:本文旨在提出一种使用谐波平衡法求解非线性动力系统时的新谐波选择技术。该技术属于被称为自适应谐波平衡法(AHBM)的方法类别。谐波选择基于切线预测器的使用,并依赖于逐步回归过程,该过程允许通过加法或去除过程动态管理选定谐波的数量。然后通过示例评估该方法相对于经典谐波平衡方法(HBM)的效率。后面的步骤将表明AHBM可以显着减少变量的数量,从而节省计算时间而不会降低解决方案质量。

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