Results 1 to 10 of about 1,714 (143)

Axial Force Identification of Short Beam Members with Unknown Boundary Conditions Incorporating Rotational Inertia [PDF]

open access: yesSensors
Accurate identification of axial forces in beam structures with unknown boundary conditions is important for structural assessment and safety monitoring.
Litian Liang   +4 more
doaj   +2 more sources

From Displacement to Angle: Diamond-Based 3D Rotation Sensing for High-Precision Cellular Force Measurement. [PDF]

open access: yesAdv Sci (Weinh)
Cellular forces are traditionally inferred from displacement measurements, which lack rotational information and are constrained by linear model assumptions. This work replaces displacement with rotational angle for the fundamental mechanical readout.
Ma L   +8 more
europepmc   +2 more sources

Effects of 1 Gray radiation on the biophysical properties of the tibia and femur from hindlimb-suspended rats. [PDF]

open access: yesExp Physiol
Abstract Long‐term space travel (e.g. travel to Mars) will greatly exceed the recommended lifetime radiation dose of 600 millisieverts (mSv) and have a detrimental effect on skeletal fragility. Our objective was to determine if 1 Gray (GY) radiation impacts the biomechanical properties of the tibia and femur from rats under microgravity.
Hill BJF, Mehta R.
europepmc   +2 more sources

Free vibration of nanobeams with surface and dynamic flexoelectric effects [PDF]

open access: yesScientific Reports
In this paper, the free vibration of piezoelectric nanobeams considering static flexoelectric, dynamic flexoelectric, and surface effects is studied.
Peng Wang   +3 more
doaj   +2 more sources

Influence of material distribution and damping on the dynamic stability of Bernoulli-Euler beams [PDF]

open access: yesBulletin of the Polish Academy of Sciences: Technical Sciences, 2023
The study analyzed the influence of materials and different types of damping on the dynamic stability of the Bernoulli-Euler beam. Using the mode summation method and applying an orthogonal condition of eigenfunctions and describing the analyzed system ...
Sebastian Garus   +7 more
doaj   +1 more source

Rao-Nakra model with internal damping and time delay [PDF]

open access: yesMathematica Moravica, 2021
In this manuscript, by using the semigroup theory, the well-posedness and exponential stability for a Rao-Nakra sandwich beam equation with internal damping and time delay is proved.
Raposo Carlos A.
doaj   +1 more source

Inverse problem for the time-fractional Euler-Bernoulli beam equation

open access: yesMathematical Modelling and Analysis, 2021
In this paper, the classical Euler-Bernoulli beam equation is considered by utilizing fractional calculus. Such an equation is called the time-fractional EulerBernoulli beam equation.
Ibrahim Tekin, He Yang
doaj   +1 more source

Fractal Continuum Calculus of Functions on Euler-Bernoulli Beam

open access: yesFractal and Fractional, 2022
A new approach for solving the fractal Euler-Bernoulli beam equation is proposed. The mapping of fractal problems in non-differentiable fractals into the corresponding problems for the fractal continuum applying the fractal continuum calculus (FdH3-CC ...
Didier Samayoa   +3 more
doaj   +1 more source

Influence of Material Defects on the Dynamic Stability of the Bernoulli-Euler Beam [PDF]

open access: yesArchives of Metallurgy and Materials, 2021
The paper presents the results of tests on dynamic stability of Bernoulli-Euler beam with damages. Damages (cracks) were modeled using three rotational springs.
W. Sochacki, S. Garus, J. Garus
doaj   +1 more source

Map of a Bending Problem for Self-Similar Beams into the Fractal Continuum Using the Euler–Bernoulli Principle

open access: yesFractal and Fractional, 2022
The bending of self-similar beams applying the Euler–Bernoulli principle is studied in this paper. A generalization of the standard Euler–Bernoulli beam equation in the FdH3 continuum using local fractional differential operators is obtained. The mapping
Didier Samayoa Ochoa   +2 more
doaj   +1 more source

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