The first approximate solution for amplitude frequency response curve of the primary resonance of the system has hard stiffness characteristic; The second approximate solution for amplitude frequency response curve of the primary resonance of the system has soft stiffness characteristic.
指出对同一系统主共振的一次近似解的幅频响应曲线表现为硬刚度特性;二次近似解的幅频响应曲线表现为软刚度特性。
参考来源 - 皮带驱动机构非线性动力学研究The response of laminated piezoelectric rectangular plate at the primary resonance is investigated for the thick plate model. Solutions within the two models are compared and the limitation of the thin plate model is analyzed.
研究了中厚板模型下压电层合方板的主共振响应,比较了对于薄板模型和中厚板模型其解的区别,并分析了薄板模型的局限性。
参考来源 - 压电层合方板的主共振研究·2,447,543篇论文数据，部分数据来源于NoteExpress
Through analysis of primary resonance, superharmonic resonance and combination resonance, and therefore some frequency phenomena in laser breeding are explained.
并进行了主共振、超谐波共振及组合共振的分析，从而进一步解释了激光育种中的频率现象。
By means of the method of the multiple scales the first approximate solution of the primary resonance of the system is acquired, and numerical calculation is carried out.
应用多尺度法求得了系统主共振情况的一次近似解，并进行了数值计算。
The primary resonance and its stability of a harmonically forced oscillator with a pair of symmetric setup elastic stops are studied in this paper by means of average approach.
用平均法研究了含预紧弹性约束的单自由度系统在简谐激励下的主共振及其稳定性。
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