On the Lagrange multipliers of the intrinsic constraint equations of rigid multibody mechanical systems
Sign Up to like & getrecommendations! Published in 2018 at "Archive of Applied Mechanics"
DOI: 10.1007/s00419-017-1317-y
Abstract: This paper deals with the Lagrange multipliers corresponding to the intrinsic constraint equations of rigid multibody mechanical systems. The intrinsic constraint equations are algebraic equations that are associated with nonminimal sets of orientation parameters employed… read more here.
Keywords: constraint equations; multibody; intrinsic constraint; equations rigid ... See more keywords
Determination of eigenvectors with Lagrange multipliers
Sign Up to like & getrecommendations! Published in 2021 at "Journal of the Korean Physical Society"
DOI: 10.1007/s40042-021-00112-3
Abstract: We present a method to determine the eigenvectors of an $$n\times n$$ Hermitian matrix by introducing Lagrange undetermined multipliers. In contrast to a usual Lagrange multiplier that is a number, we introduce matrix-valued multipliers with… read more here.
Keywords: eigenvectors lagrange; determination eigenvectors; equation; lagrange multipliers ... See more keywords
A solution method based on Lagrange multipliers and Legendre polynomial series for free vibration analysis of laminated plates sandwiched by two MFC layers
Sign Up to like & getrecommendations! Published in 2019 at "Journal of Sound and Vibration"
DOI: 10.1016/j.jsv.2019.01.037
Abstract: Abstract In this paper, a new solution approach based on Lagrange multipliers is developed to investigate the free vibrations of rectangular composite plates equipped with piezoelectric layers such as Macro Fiber Composites (MFCs). The piezo-composite… read more here.
Keywords: based lagrange; problem; polynomial series; legendre polynomial ... See more keywords
Elastic Damping Mechanism Optimization by Indefinite Lagrange Multipliers
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Access"
DOI: 10.1109/access.2021.3078609
Abstract: The current paper has presented the study on theoretical dependences of the optimization parameter (the degree of transmission transparency) on the design factors of elastic-damping mechanism (EDM) in the transmission for tractors of small traction… read more here.
Keywords: lagrange; elastic damping; damping mechanism; mechanism ... See more keywords
Coupled Control Systems: Periodic Orbit Generation With Application to Quadrupedal Locomotion
Sign Up to like & getrecommendations! Published in 2021 at "IEEE Control Systems Letters"
DOI: 10.1109/lcsys.2020.3006963
Abstract: A robotic system can be viewed as a collection of lower-dimensional systems that are coupled via reaction forces (Lagrange multipliers) enforcing holonomic constraints. Inspired by this viewpoint, this letter presents a novel formulation for nonlinear… read more here.
Keywords: system; application; control; coupled control ... See more keywords
Optimization of Combined Power and Modeling Attacks on VR PUFs With Lagrange Multipliers
Sign Up to like & getrecommendations! Published in 2020 at "IEEE Transactions on Circuits and Systems II: Express Briefs"
DOI: 10.1109/tcsii.2020.2981875
Abstract: In this brief, optimized combined power and modeling attacks (CPMAs) are proposed to crack lightweight strong physical unclonable functions (PUFs): voltage regulator (VR) PUFs. The relationship between input challenge and output response of a VR… read more here.
Keywords: combined power; modeling attacks; power; power modeling ... See more keywords
Using Lagrange multipliers in the triangular element of a nonshallow shell under variable interpolation of displacements
Sign Up to like & getrecommendations! Published in 2017 at "Journal of Applied and Industrial Mathematics"
DOI: 10.1134/s1990478917040111
Abstract: We present an algorithmfor calculation of arbitrary thin shells on the basis of a triangular element of discretization with corrective Lagrange multipliers. The stiffness matrix of this element is formed using some ways of approximating… read more here.
Keywords: triangular element; using lagrange; multipliers triangular; element ... See more keywords
Efficient Roll-Forming Simulation Using Non-Conformal Meshes with Hanging Nodes Handled by Lagrange Multipliers
Sign Up to like & getrecommendations! Published in 2023 at "Metals"
DOI: 10.3390/met13050895
Abstract: Simulations of industrial roll-forming processes using the finite element method typically require an extremely fine discretization to obtain accurate results. Running those models using a classical finite element method usually leads to suboptimal meshes where… read more here.
Keywords: non conformal; lagrange multipliers; roll forming; hanging nodes ... See more keywords