Document Detail


Stochastic impulsive pressure calculations for time dependent human hip joint lubrication.
MedLine Citation:
PMID:  23394099     Owner:  NLM     Status:  In-Data-Review    
Abstract/OtherAbstract:
The present paper is concerned with the calculation of the stochastic unsteady, impulsive pressure distributions and load carrying capacities in human hip joint for unsteady stochastic conditions, various standard deviations and Gaussian probability density function. The total changes of hydrodynamic pressure caused by viscoelastic synovial fluid properties are completely estimated. Calculations are performed in a super thin layer of biological synovial fluid inside the slide hip joint gap limited by a spherical bone head. Using a new unified operator of summation (UOS) method, the numerical topology of pressure calculation for a difference method is applied. From numerical standpoint the proposed method of solving modified hydrodynamic equations reduces this problem to resolving the partial recurrence non-homogeneous equation of second order with variable coefficients.
Authors:
Krzysztof Wierzcholski
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Publication Detail:
Type:  Journal Article    
Journal Detail:
Title:  Acta of bioengineering and biomechanics / Wrocław University of Technology     Volume:  14     ISSN:  1509-409X     ISO Abbreviation:  Acta Bioeng Biomech     Publication Date:  2012  
Date Detail:
Created Date:  2013-02-11     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  101194794     Medline TA:  Acta Bioeng Biomech     Country:  Poland    
Other Details:
Languages:  eng     Pagination:  81-100     Citation Subset:  IM    
Affiliation:
Institute of Mechatronics, Nanotechnology and Vacuum Technique, Technical University of Koszalin, Poland.
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