Results 71 to 80 of about 2,060 (225)

Drivers of human attitudes towards wolves Canis lupus in Kazakhstan

People and Nature, EarlyView.
Abstract Kazakhstan is recognized as a key stronghold for the grey wolf (Canis lupus). Nonetheless, the wolf status and the dynamics of human‐wolf coexistence in the region remain poorly understood. This study aims to fill that gap by exploring current attitudes towards wolves in Kazakhstan and identify the underlying drivers of these attitudes.
Alyona Koshkina, Svitlana Kudrenko, Andrés Ordiz, Saltanat Kamiyeva, Adam Devenish, Johannes Kamp   +5 more
wiley   +1 more source

Vibration of a Reissner–Mindlin–Timoshenko plate–beam system

Mathematical and Computer Modelling, 2009
zbMATH Open Web Interface contents unavailable due to conflicting licenses.
Labuschagne, A, Van Rensburg, N.J, Van der Merwe, Alna   +2 more
openaire   +2 more sources

Lie Symmetries, Optimal System and Invariant Reductions to a Nonlinear Timoshenko System [PDF]

Mathematics, 2017
Lie symmetries and their Lie group transformations for a class of Timoshenko systems are presented. The class considered is the class of nonlinear Timoshenko systems of partial differential equations (PDEs). An optimal system of one-dimensional sub-algebras of the corresponding Lie algebra is derived.
Shadi Al-Omari, Fiazuddin Zaman, Hassan Azad   +2 more
openaire   +2 more sources

A Force‐Based Beam‐Column Element With Selective Gradient‐Inelasticity for Softening Materials in 3‐Dimensional Nonlinear Analysis

Earthquake Engineering &Structural Dynamics, Volume 55, Issue 1, Page 26-45, January 2026.
ABSTRACT Fiber‐based beam‐column elements featuring an effective material constitutive law with softening can capture the degrading response of structural members under extreme loading. However, these elements exhibit strain localization and mesh divergence, which impedes their accuracy.
Diego Isidoro Heredia Rosa, Albano de Castro e Sousa, Dimitrios G. Lignos, Arka Maity, Amit Kanvinde   +4 more
wiley   +1 more source

Hygromnemics: Programmable Material Memory Matter Actuators via Wet Pre‐Constraining

Advanced Materials Technologies, Volume 10, Issue 23, December 3, 2025.
Humidity‐based pre‐constraining creates hygromnemics‐shape memory matter. From identical biocomposites actuation in dry and wet states is obtained via hygromnemic and hygromorphic actuation, respectively. Hygromnemic actuators present long‐ and short‐term shape memory abilities.
Charles de Kergariou, Findlay S. G. Smith, Richard S. Trask, Adam W. Perriman, Fabrizio Scarpa, David Correa   +5 more
wiley   +1 more source

Elastic and elastoplastic analysis of surrounding rock in CAES chambers considering excavation‐induced centripetal exponential reduction in mechanical properties

Deep Underground Science and Engineering, Volume 4, Issue 4, Page 582-596, December 2025.
This study presents an analytical framework for evaluating stress distribution in compressed air energy storage (CAES) chambers, incorporating excavation‐induced damage. Key findings highlight the impact of excavation disturbed zones (EDZs) on stress patterns and bearing capacity, offering design strategies to optimize chamber stability and improve ...
Zeyuan Sun, Cheng Zhao, Jinquan Xing, Ran Huang, Qinyuan Luo, Huiguan Chen, Jialun Niu   +6 more
wiley   +1 more source

Structural and Functional Co‐Adaptation of Plants of the Genus Lysimachia L. (Primulaceae) and Pollinating Insects of the Genus Macropis Panzer (Hymenoptera, Melittidae)

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, Mykola G. Chausov, Artur F. Likhanov, Hanna Yu. Honchar, Denis Michez   +4 more
wiley   +1 more source

On a Thermoelastic Laminated Timoshenko Beam: Well Posedness and Stability

Complexity, 2020
In this paper, we are concerned with a linear thermoelastic laminated Timoshenko beam, where the heat conduction is given by Cattaneo’s law. We firstly prove the global well posedness of the system.
Baowei Feng
doaj   +1 more source

Weak solutions for a singular beam equation

ZAMM - Journal of Applied Mathematics and Mechanics / Zeitschrift für Angewandte Mathematik und Mechanik, Volume 105, Issue 12, December 2025.
Abstract This paper deals with a dynamic Gao beam of infinite length subjected to a moving concentrated Dirac mass. Under appropriate regularity assumptions on the initial data, the problem possesses a weak solution which is obtained as the limit of a sequence of solutions of regularized problems.
Olena Atlasiuk, Arnaud Heibig, Adrien Petrov   +2 more
wiley   +1 more source

Multi‐fidelity data meta‐learning approach for seismic response prediction of high‐rise shear wall buildings

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, Changhai Zhai, Weiping Wen, Guoqing Zhang   +3 more
wiley   +1 more source