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Stiffness nonlinearity and anisotropy of stiff clays observed during isotropic consolidation
2011The stiffness nonlinearity and anisotropy of natural London Clay and Gault Clay under isotropic consolidation are investigated using a triaxial apparatus incorporated with local strain measuring systems. Isotropic consolidation tests are performed on both vertically- and horizontally-cut specimens. The stiffness degradation curves of bulk modulus (Ksec/
Yimsiri Siam, Soga Kenichi
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The increment stiffness matrix and total quantum stiffness in nonlinear analyses
Applied Mathematics and Mechanics, 1989In this paper,the expressions of both increment stiffness matrix and total quantumstiffness matrix in nonlinear analyses are derived in detail.and their relationship isdiscussed in mathematical meaning.The results given in our paper will be of great importance to the ana.yses of nonlinearnumerical and nonlinear stability in finite element methods.
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Volume 8: Structures and Dynamics — Bearing & Seal Dynamics; Emerging Methods in Engineering Design, Analysis and Additive Manufacturing; Fatigue, Fracture & Life Prediction; Probabilistic Methods; Rotordynamics
Abstract Bump foils are the most frequently used in foil bearings, but the behavior of bump foils is complicated, and their characteristics have been the subject of research for decades. Bump foils are typically modeled as stiffness elements and damping through frictions with other components.
Woongeon Lee +2 more
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Abstract Bump foils are the most frequently used in foil bearings, but the behavior of bump foils is complicated, and their characteristics have been the subject of research for decades. Bump foils are typically modeled as stiffness elements and damping through frictions with other components.
Woongeon Lee +2 more
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Nonlinear Analysis Of Piles In Stiff Clays
Offshore Technology Conference, 1986ABSTRACT The results of a comprehensive numerical study of the non-linear behavior of laterally loaded piles in stiff clay (characterized principally by the undrained shear profile) are presented. The analysis is carried out by means of a boundary element analysis of the soil (as a continuous body) coupled with the ...
M. Budhu, T.G. Davies
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Nonlinear Joint Stiffness Parameter Identification
2021Sanjay B. Ingole, Sanjay W. Rajurkar
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Strain Gage Analysis for Nonlinear Pile Stiffness
Geotechnical Testing Journal, 2012Abstract Interpreting strain gage data from deep foundation (pile) axial load tests is usually assumed to be a simple calculation. The measured strain at any point in the test is multiplied by the computed Young’s modulus E of the pile to obtain stress.
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Study on Nonlinear Meshing Stiffness of Spline
2015In the study on the dynamic characteristics of spline rotor system, the spline stiffness is simplified as the constant related with single tooth stiffness. Based on spline single tooth stiffness calculation, according to spline deformation, stress and torque, spline transverse meshing stiffness model is established, and the numerical simulation ...
Guang Zhao +4 more
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Stiff arc length constraint in nonlinear FEA
Acta Mechanica, 2005zbMATH Open Web Interface contents unavailable due to conflicting licenses.
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A stiffness-adaptive control system for nonlinear stiffness actuators
Science China Information Sciences, 2019Zhao, Yaru +3 more
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