Using the Simulation Model for Identification of the Fatigue Parameters of Hydraulically Driven Log Crane

Author:

Mikkola A.1

Affiliation:

1. Department of Mechanical Engineering, Lappeenranta University of Technology, P.O. Box 20, 53851-Finland

Abstract

The present paper introduces a method based on dynamic simulation for determining the fatigue parameters in a hydraulically driven log crane. The parameters that describe the nature of fatigue loads can be applied in order to facilitate designer work in fatigue life prediction. The detailed simulation model was built up in the ADAMS mechanical analysis software environment in which the flexible mechanism model and the equations describing the hydraulic system were combined. The complete simulation model was verified by comparing measurements to numerical results. This comparison shows that there is a clear correspondence between the simulated and measured results. The model was employed in the study of the fatigue parameters, which are formed when the crane is being loaded.

Publisher

ASME International

Subject

Computer Graphics and Computer-Aided Design,Computer Science Applications,Mechanical Engineering,Mechanics of Materials

Reference16 articles.

1. Amzallag, C., Gerey, J. P., Robert, J. L., and Bahuaud, J., 1994, “Standardization of the Rainflow Counting Method for Fatigue Analysis,” Fatigue, 16, June, pp 287–293.

2. Niemi, E., 1993, “Aspects of Good Design Practice for Fatigue-Loaded Welded Components,” In: Solin J., Marquis G., Siljander A. and Sipila S., eds., ESIS Publication No. 16, Mechanical Engineering Publications, London, pp. 331–351.

3. Schutz, W., 1992, The Significance of Service Load Data for Fatigue Analysis, Fatigue Design 1992, V. 1, VTT Symposium 130, Solin, J., Marquis, G., Siljander A., Sipila¨ S., eds., Technical Research Center of Finland, Espoo, pp. 11–35.

4. Niemi, E., 1992, “Fatigue Design of Welded Structure,” Konepajamies, No. 6, p. 38–41, 1992.

5. Mikkola, A., 1997, “Studies on Fatigue Damage in a Hydraulically Driven Boom System Using Virtual Prototype Simulations,” Doctoral thesis, Lappeenranta University of Technology, Research papers 61.

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