نتایج جستجو برای: elastic torsion

تعداد نتایج: 88477  

Journal: :TRANSACTIONS OF THE JAPAN SOCIETY OF MECHANICAL ENGINEERS Series A 1998

1978
Dianne P. O’LEARY Wei H. YANG

A fItrite element scheme (together with a conjugate gradient algorithmj is demonstrated to be a very effective method for analyzing general elastoplastic torsion of prismatic bars posed as quadratic programming problems. Solutions for bars with elliptical and Sokolovsky’s oval cross-sections are presented. The solutions for the elliptical bars agree with the existing elastic and limit plastic s...

Journal: :Physical review. E, Statistical physics, plasmas, fluids, and related interdisciplinary topics 2000
Goriely Shipman

The dynamics of inertial elastic helical thin rods with noncircular cross sections and arbitrary intrinsic curvature, torsion, and twist is studied. The classical Kirchhoff equations are used together with a perturbation scheme at the level of the director basis, and the dispersion relation for helical strips is derived and analyzed. It is shown that all naturally straight helical strips are un...

Journal: :Dalton transactions 2016
Jurn Heinen David Dubbeldam

Electronic energies and elastic constants of four amino functionalized MIL-47(V) supercells were computed using plane wave density functional theory to determine the influence of the substituent positions on the organic linker. An inverse relationship between the ab initio energies and the elastic constants was found, indicating that the high electronic stability correlates with high mechanical...

2004
Alexis Paljic Jean-Marie Burkhardt Sabine Coquillart

In this work, we investigate whether pseudo-haptic feedback is suitable for simulating torque feedback. Pseudohaptic feedback is based on the coupling of visual feedback and the internal resistance of an input device which passively reacts to the user’s applied force. An experiment was conducted to evaluate this feedback and compare isometric and elastic input devices. It involved compliance di...

2016
Roderic S. Lakes

The physical meaning of Cosserat, void, and microstretch elastic constants is analyzed and interpreted. Various torsion experiment designs provide a clear path to extract Cosserat elastic constants independently of any dilatation gradient sensitivity the material may have. For void elasticity (with sensitivity to dilatation gradients) there is no known quasi-static modality to demonstrate pheno...

2008
Markus Lazar

In this paper we study the twist disclination within the elastoplastic defect theory. Using the stress function method, we found exact analytical solutions for all characteristic fields of a straight twist disclination in an infinitely extended linear isotropic medium. The elastic stress, elastic strain and displacement have no singularities at the disclination line. We found modified stress fu...

Journal: :Applied Mathematical Modelling 2005

Journal: :SIAM Journal on Mathematical Analysis 2010

Journal: :Transactions of the American Mathematical Society 1979

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