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假设符号m_i—集中在截面z_(m,i,)上盘的质量;I_(g,i)—集中在截面z_(j,i,)上盘的惯性矩;I_(p,i)—集中在截面z_(j,i,)上盘的极惯性矩;EI—轴的弯曲刚度;ρ_mF—轴的单位长度质量;P_i—作用在截面z_(p,i,)上的集中激振力;f_i—集中在截面z_(f,i,)上的干摩擦力;ε(z_k,i)—单值函数,其值等于:
Assume that the symbol m_i is the mass of the disk centered on the cross section z_ (m, i,); I_ (g, i) - the moment of inertia of the disk centered on the cross section z_ (j, i, The polar moment of inertia of the disk in the section z_ (j, i,); EI - the bending stiffness of the shaft; ρ_mF - the mass per unit length of the shaft; P_i- the concentrated excitation force acting on the section z_ (p, i, f_i - the dry friction force centered on the cross section z_ (f, i,); ε (z_k, i) - a single valued function whose value is equal to: