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A ball bearing is generally assumed as a linear spring in rotor dynamic analysis. In real case, the force equilibrium of the bearing is changed as the relative position, of each ball with respect to the direction of radial force. So, the stiffness of the bearing is also changed and is a function...
This paper deals with two synthesis methods for dynamic systems as an application of the bond graph prototypes which are originally developed for dynamic system analysis in the frequency domain. The first method called the analytical synthesis uses the procedures similar to the network synthesis...
To improve the convergence and the accuracy of a finite element, the finite element has to describe not only displacement and stress distributions in a static analysis but also rigid body displacements. In this paper, we consider the in-plane-deformable curved beam element to understand the...
The predictive models for the onset of significant void (OSV) in forced-convection subcooled boiling are reviewed and compared with extensive data. Three analytical models and seven empirical correlations are considered in this paper. These models and correlations are put onto a common basis and...
Based on the Finite Element Method (FEM) model of a practical silicon beam resonator attached to a square diaphragm used for measuring pressure, this paper presents two location error models which exist in actual fabrication. We calculate, analyze and investigate the relationship between the...
SFRI has been regarded as a prime mode of secondary propulsion which enables the projectile to achieve a higher terminal velocity. Geometry of SFRJ is quite simple due to the lack of turbomachinery that conventional jet engines need. The complete internal/external flow field of an SFRJ-TGTR...
This paper develops a theory of continuum damage mechanics for anisotropic solids on the basis of both the strain energy equivalence principle and the equivalent (fictitious) line crack damage modeling. The strain energy equivalence principle is used to develop the effective continuum elastic...
A one dimensional poroelastic model of trabecular bone was developed to investigate the pore pressure effect on mechanical behavior. The poroclastic properties were determined based upon the assumed drained Poisson's ratio of 0.3 and the experimental results reported in the literature. Even...
An experimental study was carried out on convective boiling heat transfer for mixtures of R11 and R113 flowing in a uniformly heated vertical tube by measuring the wall and bulk temperatures, and the results were compared with an existing correlation. A reduction of the average heat transfer...
Many mathematical techniques have been developed to determine the geometry of articular joint surfaces, because of its so importance to the study of human joint biomechanics. However, a three-dimensional geometric model of the articular joint, which is essential to solid modelling, contact area...
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