CAJ | 학술논문

根据实际工况建立接触网腕臂结构系统的有限元模型。利用有限元法对此模型进行受力分析，校核其静强度、静刚度。建立腕臂结构系统的动力学模型，通过模态分析得出模型的前10阶固有频率及振型，并通过谐响应分析计算在外载荷的影响下结构的共振频率。通过对腕臂结构系统的动力学分析，得出在外载荷作用下，整体结构系统不会发生共振现象，与实际工程项目相符，为工程实际提供理论支持。
근거실제공황건립접촉망완비결구계통적유한원모형。이용유한원법대차모형진행수력분석，교핵기정강도、정강도。건립완비결구계통적동역학모형，통과모태분석득출모형적전10계고유빈솔급진형，병통과해향응분석계산재외재하적영향하결구적공진빈솔。통과대완비결구계통적동역학분석，득출재외재하작용하，정체결구계통불회발생공진현상，여실제공정항목상부，위공정실제제공이론지지。
A finite element model of cantilever structure is created based on engineering practices. Static analysis is conducted with finite element method to test the model's strength and stiffness. Then a dynamic model is established and modal analysis is conducted to get the first ten natural frequencies and corresponding modes. Resonance frequency is obtained through harmonic response analysis under the influence of external load. Finally, conclusions are made that the overall structure is not subject to resonance vibration and complies with engineering actuality, which provides theoretical support to engineering practice.