基于运动学的静定结构平衡问题的虚位移原理分析$^{1)}$ |
舒开鸥, 郭子涛, 杨忠, 陈彬, 郭钊 |
ANALYSIS OF VIRTUAL DISPLACEMENT PRINCIPLE OF STATICALLY DETERMINATE STRUCTURE EQUILIBRIUM PROBLEM BASED ON KINEMATICS$^{1)}$ |
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图2 无穷远虚铰的运动学特征 |