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Keywords: hydrodynamics
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Journal Articles
Article Type: Special Section: Computational Fluid Mechanics And Fluid–Structure Interaction
J. Appl. Mech. January 2012, 79(1): 010901.
Published Online: December 13, 2011
... for the numerical treatment of particle-fluid interactions. The particle properties are constitutively described by an adhesive viscoelastic model. To compute the hydrodynamic forces, a direct integration method is employed, where the fluid stresses are integrated over the particles’ surfaces. For the purpose...
Journal Articles
Article Type: Special Section: Computational Fluid Mechanics And Fluid–Structure Interaction
J. Appl. Mech. January 2012, 79(1): 010905.
Published Online: December 13, 2011
...I. Akkerman; Y. Bazilevs; D. J. Benson; M. W. Farthing; C. E. Kees This paper presents our approach for the computation of free-surface/rigid-body interaction phenomena with emphasis on ship hydrodynamics. We adopt the level set approach to capture the free-surface. The rigid body is described...
Journal Articles
Article Type: Guest Editorial
J. Appl. Mech. January 2012, 79(1): 010301.
Published Online: November 3, 2011
... methods in the context of particulate flows. The special issue contains papers on advances in patient-specific cardiovascular hemodynamics, FSI modeling of parachutes, air turbine aerodynamics, aerodynamics of flapping wings, ship hydrodynamics, liquid sloshing in tanks, and turbulence in the upper...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. November 2011, 78(6): 061013.
Published Online: August 25, 2011
... to allow automatic, passive, three-dimensional (3D) adaptive/morphing capabilities such that they outperform their rigid counterparts both hydrodynamically and structurally. Much of the current research on the shock response of composite structures focuses on air-backed structures with fixed-fixed...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. September 2011, 78(5): 051014.
Published Online: August 5, 2011
... as in ammunition with stub base; thus a new contamination prevention method is put forward. In this method, the hydrodynamic force is used to divert the gas flow in a cavity located in the breech to avoid contact with the optical window and prevent it from being contaminated. To verify the effectiveness...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. March 2011, 78(2): 021001.
Published Online: November 4, 2010
... is an important tool for investigating such events. In the developed procedure, the shaft is flexible and the disks are absolutely rigid. The hydrodynamic bearings and the impacts are implemented in the mathematical model by means of nonlinear force couplings. Most of the publications and computer codes from...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. November 2009, 76(6): 061007.
Published Online: July 23, 2009
..., and that their arrangement is axisymmetrical. The corresponding two-dimensional results are also presented, by slightly modifying the three-dimensional results. 19 11 2007 09 02 2009 23 07 2009 drops hydrodynamics shells (structures) viscosity spherical drops spherical shells incompressible...
Journal Articles
Article Type: Advances In Impact Engineering
J. Appl. Mech. September 2009, 76(5): 051309.
Published Online: June 17, 2009
... of shell and continuum elements to simulate the tube response to the localized blast loads followed by dynamic axial loading in the form of a rigid mass impacting at a specified initial velocity. The hydrodynamic code AUTODYN is used to characterize the localized blast pressure time and spatial history...
Journal Articles
Article Type: Research Papers
J. Appl. Mech. May 2008, 75(3): 031012.
Published Online: May 1, 2008
..., and the Basset or history force terms. damping drag hydrodynamics steel suspensions vibrations viscosity hydrodynamics viscosity particle vibration frequency amplitude The experimental apparatus used consisted of a test section, a personal computer (PC)-controlled linear stage...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. July 2007, 74(4): 754–769.
Published Online: November 22, 2006
... of high extensibility, flexibility, and large displacements. Accordingly, the mathematical riser models should be governed by the large strain formulations of extensible flexible pipes transporting fluid. Nonlinear hydrodynamic dampings due to ocean wave–pipe interactions implicate the high degree...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. March 2006, 73(2): 300–314.
Published Online: August 4, 2005
... the development of a 3D rigid body impact burial prediction model (IMPACT35) that contains three components: triple coordinate transform and hydrodynamics of a falling rigid object in a single medium (air, water, or sediment) and in multiple media (air-water and water-sediment interfaces). The model predicts...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. January 2006, 73(1): 72–78.
Published Online: May 19, 2005
... frequency, both the model and experiments showed that the particle amplitude becomes constant and independent of the wire length. 06 08 2004 19 05 2005 vibrations hydrodynamics Advanced materials can be produced under microgravity where gravity induced convection is suppressed...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. March 2004, 71(2): 162–167.
Published Online: May 5, 2004
... thickness on the hydrodynamics, which illustrates that conditions in which the infinite half-space assumptions can be justified are highly limited. The findings of this paper have direct application to the modeling of chemical mechanical planarization (CMP). Contributed by the Applied Mechanics...
Journal Articles
Article Type: Brief Notes
J. Appl. Mech. March 2004, 71(2): 292–298.
Published Online: May 5, 2004
...), and hydrodynamic force following coordinate (F-coordinate). Use of the triple coordinate systems and the transforms among them leads to the simplification of the dynamical system. The body and buoyancy forces and their moments are easily calculated using the E-coordinate system. The hydrodynamic forces...
Topics: Cylinders, Water
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. March 2004, 71(2): 219–224.
Published Online: May 5, 2004
...Tiesheng Zheng; Shuhua Yang; Zhonghui Xiao; Wen Zhang, Mem. ASME Based on the free boundary theory and variational method, this paper presents a Ritz method to compute the instantaneous hydrodynamic forces of a real bearing subject to any perturbed motions of the rotor. The given method manipulates...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. November 2003, 70(6): 894–901.
Published Online: January 5, 2004
...P. J. Schmid; E. de Langre Transient growth of energy is known to occur even in stable dynamical systems due to the non-normality of the underlying linear operator. This has been the object of growing attention in the field of hydrodynamic stability, where linearly stable flows may be found...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. September 2003, 70(5): 751–756.
Published Online: October 10, 2003
... to be useful emerges from “hydromechanics,” whenever a finite number of generalized coordinates can be used, under the concept of the added mass tensor. A particular and interesting one is addressed in the present paper: the classical hydrodynamic impact of a rigid body against a liquid free surface...
Journal Articles
Article Type: Technical Papers
J. Appl. Mech. May 2003, 70(3): 346–350.
Published Online: June 11, 2003
... 2002 11 06 2003 hydrodynamics elasticity boundary layers Lighthill 1 used the “slender-body” approximation of Munk 2 to work out the inviscid flow and corresponding instantaneous lift per unit length, power, thrust, and Froude efficiency for a slender fish (or swimming mammal...
Journal Articles
Article Type: Preface
J. Appl. Mech. January 2003, 70(1): 1.
Published Online: January 23, 2003
...Tayfun E. Tezduyar, Associate Editor; Thomas J. R. Hughes, Guest Editor 23 01 2003 finite element analysis hydrodynamics mesh generation flow simulation modelling This special collection of papers is based on some of the invited presentations at the Fifth U.S.-Japan...
Journal Articles
Article Type: Brief Notes
J. Appl. Mech. January 2003, 70(1): 142–147.
Published Online: January 23, 2003
... to exhibit jumps several days or weeks later and vice versa. Numerical results for a rotating membrane hydrodynamically coupled to the surrounding flow show that the number of possible equilibria is a sensitive function of the radial flows above and below the disk. In particular, a small change in radial...