Isogeometric stability analysis of thin shells: From simple geometries to engineering models
Sign Up to like & getrecommendations! Published in 2019 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.6020
Abstract: The buckling properties of thin‐walled structures are sensitive to different sources of imperfections, among which the geometric imperfections are of paramount importance. This work contributes to the methodology of shell buckling analysis with respect to… read more here.
Keywords: analysis; thin shells; isogeometric stability; engineering ... See more keywords
Stability analysis of blocky structure system using discontinuity layout optimization
Sign Up to like & getrecommendations! Published in 2020 at "International Journal for Numerical Methods in Engineering"
DOI: 10.1002/nme.6523
Abstract: The collapse mechanism identification and limit load calculation of block composite structures are essential tasks in practical engineering. In this work, the discontinuity layout optimization (DLO) is utilized to simulate a stable blocky system structure… read more here.
Keywords: system; layout optimization; discontinuity layout; structure ... See more keywords
Lyapunov‐Krasovskii stability analysis of delayed Filippov system: Applications to neural networks with switching control
Sign Up to like & getrecommendations! Published in 2019 at "International Journal of Robust and Nonlinear Control"
DOI: 10.1002/rnc.4787
Abstract: This paper gives the stability analysis of Filippov system with delay. Under the Filippov‐framework, we introduce a general type of Lyapunov‐Krasovskii functional (LKF) to derive the stability of delayed differential inclusions (DDIs), where the indefiniteness… read more here.
Keywords: lyapunov krasovskii; control; stability analysis; stability ... See more keywords
An extended looped‐functional for stability analysis of sampled‐data systems
Sign Up to like & getrecommendations! Published in 2020 at "International Journal of Robust and Nonlinear Control"
DOI: 10.1002/rnc.5221
Abstract: This article introduces an extended looped‐functional for stability analysis of sampled‐data systems. It is defined as a differentiable functional over an interval between two consecutive sampling instants which has a property that the difference between… read more here.
Keywords: functional stability; analysis sampled; extended looped; looped functional ... See more keywords
Parametric study and stability analysis on nonlinear traveling wave vibrations of rotating thin cylindrical shells
Sign Up to like & getrecommendations! Published in 2021 at "Archive of Applied Mechanics"
DOI: 10.1007/s00419-021-01934-0
Abstract: Parametric study and stability analysis on nonlinear traveling wave vibrations of rotating thin cylindrical shells with simply supported boundary conditions are carried out in the paper. Considering the Coriolis forces as well as the initial… read more here.
Keywords: stability analysis; thin cylindrical; rotating thin; cylindrical shells ... See more keywords
On the stability analysis of hyperelastic boundary value problems using three- and two-field mixed finite element formulations
Sign Up to like & getrecommendations! Published in 2017 at "Computational Mechanics"
DOI: 10.1007/s00466-017-1415-2
Abstract: In this work we investigate different mixed finite element formulations for the detection of critical loads for the possible occurrence of bifurcation and limit points. In detail, three- and two-field formulations for incompressible and quasi-incompressible… read more here.
Keywords: finite element; two field; element formulations; three two ... See more keywords
Stability analysis of dynamic nonlinear interval type-2 TSK fuzzy control systems based on describing function
Sign Up to like & getrecommendations! Published in 2020 at "Soft Computing"
DOI: 10.1007/s00500-020-04811-0
Abstract: This paper focuses on the limit cycles prediction problem to discuss the stability analysis of dynamic nonlinear interval type-2 Takagi–Sugeno–Kang fuzzy control systems (NIT2 TSK FCSs) with adjustable parameters. First, in order to alleviate computational… read more here.
Keywords: tsk; stability analysis; control systems; fuzzy control ... See more keywords
Scale-dependent dynamic stability analysis of nanowire-fabricated nanotweezers
Sign Up to like & getrecommendations! Published in 2019 at "Microsystem Technologies"
DOI: 10.1007/s00542-018-4110-0
Abstract: Dynamic stability analysis of nanowire-fabricated nanotweezers is examined in this paper using a new nonlinear model. A novel size dependent model based on the strain gradient theory (SGT) and the Gurtin–Murdoch elasticity (GME) is presented… read more here.
Keywords: dynamic stability; stability analysis; nanowire fabricated; analysis nanowire ... See more keywords
Anisotropic Wellbore Stability Analysis: Impact on Failure Prediction
Sign Up to like & getrecommendations! Published in 2020 at "Rock Mechanics and Rock Engineering"
DOI: 10.1007/s00603-020-02283-0
Abstract: Shale formations are the main source of borehole stability problems during drilling operations. Suboptimal predictions of borehole failure may partly be caused by neglecting the anisotropic nature of shales: Conventional wellbore stability analysis is based… read more here.
Keywords: wellbore stability; stability; stability analysis; anisotropic wellbore ... See more keywords
Probabilistic stability analysis of earth dam slope under transient seepage using multivariate adaptive regression splines
Sign Up to like & getrecommendations! Published in 2020 at "Bulletin of Engineering Geology and the Environment"
DOI: 10.1007/s10064-020-01730-0
Abstract: Earth dams are widespread throughout the world and their safety has gained increasing concern from geotechnical engineering societies. Although probabilistic stability analysis approach has been widely applied to the safety assessment of geotechnical structures, few… read more here.
Keywords: stability analysis; dam slope; stability; probabilistic stability ... See more keywords
Turbulent Drag Reduction Using Anisotropic Permeable Substrates
Sign Up to like & getrecommendations! Published in 2018 at "Flow, Turbulence and Combustion"
DOI: 10.1007/s10494-018-9916-4
Abstract: The behaviour of turbulent flow over anisotropic permeable substrates is studied using linear stability analysis and direct numerical simulations (DNS). The flow within the permeable substrate is modelled using the Brinkman equation, which is solved… read more here.
Keywords: stability analysis; wall normal; permeable substrates; anisotropic permeable ... See more keywords