Discrete dynamic models were developed for axial and bending movements. The models were solved by different numerical methods. Experimental verifications showed very good agreement with theory.
Contents
1 Notation
2 Introduction
3 Basic Relations and Limitations
3.1 Bellow Geometry
3.2 Dynamic Loads
3.2.1 Axial Load
3.2.2 Bending Load
4 Theoretical Models
4.1 Analytical model
4.1.1Axial frequencies
4.1.2 Bending frequencies
4.2 Simplification
4.3 Axial MDOF-System
4.3.1 Equation of Motion
4.3.2 Solution Method
4.4 Bending MDOF-System
4.4.1 Equation of Motion
4.4.2 Solution Method
4.5 Combined Axial and Bending Model
5 Comparing the Theoretical Models
5.1 Comparing
5.1.1 Axial Movement
5.1.2 Bending Movement
5.2 Convergence of discrete model
6 Experimental Verification
6.1 Axial Measurement
6.2 Bending Measurement
7 Conclusions
8 References
Author: Tobias Lindberg, Stig Mörtman
Source: Blekinge Institute of Technology
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