Acta Mechanica
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Elasticity solutions for a transversely isotropic functionally graded annular sector plate
Acta Mechanica - Tập 228 - Trang 2603-2621 - 2017
This paper presents three-dimensional elasticity solutions for an annular sector plate made of transversely isotropic functionally graded material (FGM) subjected to concentrated forces
$$\left( X,Y,0 \right) $$
or couples
......
Nonlinear analysis of RC members subjected to combined bending–shear–torsion stresses: a numerical multi-fiber displacement-based finite element model with warping
Acta Mechanica - Tập 232 - Trang 2635-2658 - 2021
An enhanced multi-fiber beam–column element suitable for the analysis of reinforced concrete members including the torsional effect is presented in this paper. The model is developed based on displacement formulation with the assumptions of small displacement. The section kinematics is based on the assumptions of a two-node Timoshenko beam and enhanced by introducing additional degrees of freedom ......
On the incremental plastic work and related aspects of invariance – Part I
Acta Mechanica - Tập 189 - Trang 1-22 - 2006
Taking for granted that the free energy function is invariant under a change of a finite strain measure and/or the reference configuration, Hill's transformation rules for selected fundamental constitutive quantities (such as tangent elastic modulus, plastic increments of total strain and work conjugate stress, the work of work-conjugate stress, the work expended in the plastic part of incremental......
The interaction between a penny-shaped crack and a spherical inhomogeneity in an infinite solid under uniaxial tension
Acta Mechanica - Tập 90 - Trang 91-104 - 1991
This paper presents an approximate three-dimensional analytical solution to the elastic stress field of a penny-shaped crack and a spherical inhomogeneity embedded in an infinite and isotropic matrix. The body is subjected to an uniaxial tension applied at infinity. The inhomogeneity is also isotropic but has different elastic moduli from the matrix. The interaction between the crack and the inhom......
Fuzzy sets application in the problems of structural mechanics and optimal design
Acta Mechanica - Tập 234 - Trang 6191-6204 - 2023
Fuzzy sets approaches to the consideration of optimal design of the elastic hinge-rod system under conditions of uncertainty was proposed. The restrictions on stability and strength were applied, as well as restrictions on the natural frequency. The considered optimal design model in mathematical programming belongs to the class of so-called “resource distribution” problems, to which the dynamic p......
New higher-order bounds on effective transverse elastic moduli of three-phase fiber-reinforced composites with randomly located and interacting aligned circular fibers
Acta Mechanica - - 2012
Power law and log law velocity profiles in turbulent boundary-layer flow: equivalent relations at large Reynolds numbers
Acta Mechanica - Tập 151 - Trang 195-216 - 2001
The open equations of a turbulent boundary layer subjected to a pressure gradient analysed for classical two layers (inner wall and outer wake), while matched in the overlap region of MAX through the Millikan-Kolmogorov hypothesis leads to an open functional equation, and its classical solution for the velocity distribution is the log. region. It is shown here that the same open functional equatio......
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