Article | Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden | System level co-simulation of a control valve and hydraulic cylinder circuit in a hydraulic percussion unit Link�ping University Electronic Press Conference Proceedings
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Title:
System level co-simulation of a control valve and hydraulic cylinder circuit in a hydraulic percussion unit
Author:
Håkan Andersson: Construction Tools PC AB, Kalmar, Sweden / Division of Solid Mechanics, Linköping University, Linköping, Sweden Kjell Simonsson: Division of Solid Mechanics, Linköping University, Linköping, Sweden Daniel Hilding: DYNAmore Nordic AB, Linköping, Sweden Mikael Schill: DYNAmore Nordic AB, Linköping, Sweden Daniel Leidermark: Division of Solid Mechanics, Linköping University, Linköping, Sweden
DOI:
10.3384/ecp17144225
Download:
Full text (pdf)
Year:
2017
Conference:
Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden
Issue:
144
Article no.:
022
Pages:
225-235
No. of pages:
11
Publication type:
Abstract and Fulltext
Published:
2017-12-20
ISBN:
978-91-7685-369-6
Series:
Linköping Electronic Conference Proceedings
ISSN (print):
1650-3686
ISSN (online):
1650-3740
Publisher:
Linköping University Electronic Press, Linköpings universitet


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In this study a previously developed co-simulation method that is based on a 1D system model representing the fluid components of a hydraulic machinery, within which structural 3D Finite Element (FE) models can be incorporated for detailed simulation of specific sub-models or complete structural assemblies, is further developed. The fluid system model consists of ordinary differential equation sub-models that are computationally very inexpensive, but still represents the fluid dynamics very well. The co-simulation method has been shown to work very well for a simple model representing a hydraulic driven machinery. A more complex model was set up in this work, in which two cylinders in the hydraulic circuit were evaluated. Such type of models, including both the main piston and control valves, are necessary as they represent the real application to a further extent than the simple model, of only one cylinder. Two models have been developed and evaluated, from the simple rigid body representation of the structural mechanics model, to the more complex model using linear elastic representation. The 3D FE-model facilitates evaluation of displacements, stresses, and strains on a local level of the model. The results can be utilised for fatigue assessment, wear analysis and for predictions of noise radiation.



Keywords: Co-simulation, Fluid-structure coupling, System simulation, Functional mockup interface, Fluid power machinery, Transmission line modelling

Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden

Author:
Håkan Andersson, Kjell Simonsson, Daniel Hilding, Mikael Schill, Daniel Leidermark
Title:
System level co-simulation of a control valve and hydraulic cylinder circuit in a hydraulic percussion unit
DOI:
http://dx.doi.org/10.3384/ecp17144225
References:
No references available

Proceedings of 15:th Scandinavian International Conference on Fluid Power, June 7-9, 2017, Linköping, Sweden

Author:
Håkan Andersson, Kjell Simonsson, Daniel Hilding, Mikael Schill, Daniel Leidermark
Title:
System level co-simulation of a control valve and hydraulic cylinder circuit in a hydraulic percussion unit
DOI:
http://dx.doi.org/10.3384/ecp17144225
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