Results 71 to 80 of about 30,377 (259)
Dynamic boundary control of the timoshenko beam [PDF]
Automatica, 1992 Abstract We consider a clamped-free Timoshenko beam. To stabilize the beam vibrations, we propose a dynamic boundary control law applied at the free end of the beam. We prove that with the proposed control law, the beam vibrations uniformly and exponentially decay to zero. The proof uses a Lyapunov functional based on the energy of the system.
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Can Asymmetrical Mechanical Loading Be Accurately Inferred From the Analysis of Skeletal Material?
American Journal of Biological Anthropology, Volume 188, Issue 4, December 2025.ABSTRACT Objectives Reconstructing habitual limb preference in the past is crucial for understanding the evolution of hominin behavior. However, our ability to reliably identify asymmetrical behaviors from bone remains is limited due to a lack of experimental evidence directly correlating a history of loading asymmetry with skeletal asymmetry.
Antonio Profico +2 more
wiley +1 more source
Shock and Vibration, 2017 The modal analysis method (MAM) is very useful for obtaining the dynamic responses of a structure in analytical closed forms. In order to use the MAM, accurate information is needed on the natural frequencies, mode shapes, and orthogonality of the mode ...
Taehyun Kim, Ilwook Park, Usik Lee
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Ecology and Evolution, Volume 15, Issue 12, December 2025.The co‐adaptation of bees from the genus Macropis and Lysimachia plants has been studied in detail. Research shows that bees collect not just pure liquid oil from flower petals but tear off trichome heads filled with oil, transferring them to their nests.
Vladimir G. Radchenko +4 more
wiley +1 more source
A Virtual Element Method for 2D linear elastic fracture analysis
, 2018 This paper presents the Virtual Element Method (VEM) for the modeling of crack propagation in 2D within the context of linear elastic fracture mechanics (LEFM).
Nguyen-Thanh, Vien Minh +4 more
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Asymptotic Formulas for the Eigenvalues of the Timoshenko Beam
Journal of Mathematical Analysis and Applications, 2001 zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Geist, Bruce, McLaughlin, Joyce R.
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Computer-Aided Civil and Infrastructure Engineering, Volume 40, Issue 29, Page 5512-5533, 9 December 2025.Abstract Rapid and accurate estimation of seismic responses in city‐scale buildings is critical for post‐earthquake loss assessment and pre‐event identification of vulnerable buildings. However, conventional numerical simulation methods struggle to balance efficiency and accuracy when applied to large‐scale buildings, while existing data‐driven methods
Chenyu Zhang +3 more
wiley +1 more source
Size effects on free vibration of heterogeneous beams
MATEC Web of Conferences, 2018 In this paper the influence of microstructure on the free vibration of geometrically similar heterogeneous beams with free-free boundary conditions was numerically investigated by detailed finite element analysis (FEA) to identify and quantify any effect
Hassanati Bahman, Wheel Marcus
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A piecewise continuous Timoshenko beam model for the dynamic analysis of tapered beam-like structures [PDF]
Distributed parameter modeling offers a viable alternative to the finite element approach for modeling large flexible space structures. The introduction of the transfer matrix method into the continuum modeling process provides a very useful tool to ...
Abu-Saba, Elias G. +4 more
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Advanced Biology, Volume 9, Issue 11, November 2025.The unrolling of the peltate leaves in Syngonium podophyllum is analyzed and quantified (left‐hand side to center). These measurements serve to verify a mathematical model for leaf unrolling based on the model used in Schmidt (2007). An additional formula for obtaining a layer mismatch from a prescribed radius is derived.
Michelle Modert +4 more
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