Equivalent Inertia Moment in Linear Stability Calculation of Stepped Beam
Authors:
- Xin WangXWXin Wang
- Jing ZhangJZJing Zhang
- Ru-Min TengRTRu-Min Teng
- Shun-De GaoSGShun-De Gao
- 1 January 2009
- conference paper
- Published by Institute of Electrical and Electronics Engineers (IEEE)
- Vol. 1, 213-217
Abstract
In the process of simplifying the stability calculation for light main boom of crawler crane, the structure can be considered as non-symmetrical one with variable cross-section beam. The equivalence of the simply supported beam with asymmetrical cross-section has not been solved. This paper attains the equivalent inertia moment of the stepped beam with the small deformation by using the differential and energy methods. In addition, comparing with the software ANSYS, the results of differential method is better than energy method. Then the results of differential errors are amended and reduced. Then, the paper presents the equivalent inertia moment coefficients curves, which greatly simplifies the calculation process of critical load and provides the reference for boom design.Keywords
This publication has 2 references indexed in Scilit:
- Comparison of theories for stability of truss structures. Part 1: Computation of critical loadCommunications in Nonlinear Science and Numerical Simulation, 2009
- Comparison of theories for stability of truss structures. Part 2: Computation of critical solution of stabilityCommunications in Nonlinear Science and Numerical Simulation, 2009