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Araújo, José Milton de; Awruch, Armando Miguel
(1996)
Cracking analysis by the finite element method may be accomplished using a continuum damage theory, but results are strongly affected by the adopted finite element mesh. A reduced tensile strength has been proposed in order ...
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Araújo, José Milton de; Awruch, Armando Miguel
(1998)
The cracking phenomenon in concrete gravity dams during the construction phase is analysed in this work. Stresses due to the self-weight of the dam, thermal gradients, creep and drying shrinkage are computed, taking into ...
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Popiolek, Tales Luiz; Awruch, Armando Miguel; Teixeira, Paulo Roberto de Freitas
(2006)
Numerical simulations of laminar and turbulent flows in a lid driven cavity and over a backward-facing step are presented in this work. The main objectives of this research are to know more about the structure of turbulent ...
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Isoldi, Liércio André; Awruch, Armando Miguel; Teixeira, Paulo Roberto de Freitas; Morsch, Inácio Benvegnu
(2008)
Geometrically nonlinear static and dynamic behaviour of laminate composite shells are
analyzed in this work using the Finite Element Method (FEM). Triangular elements with
three nodes and six degrees of freedom per node ...
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Isoldi, Liércio André; Awruch, Armando Miguel; Morsch, Inácio Benvegnu; Teixeira, Paulo Roberto de Freitas
(2010)
Linear static and dynamic behavior of thin laminate composite structures are analyzed in this study using the Finite Element Method (FEM). Triangular elements with three nodes and six degrees of freedom per node (three ...
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Teixeira, Paulo Roberto de Freitas; Awruch, Armando Miguel
(2005)
An algorithm to simulate 3D fluid–structure interaction problems using the finite element technique is presented in this work. A two-step Taylor–Galerkin scheme and linear tetrahedra elements are employed to analyze the ...
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Araújo, José Milton de; Awruch, Armando Miguel
(1994)
This paper considers the stochastic finite element analysis of structures resulting from random spatial variability of material properties, when they are subjected to loads of deterministic nature. Direct Monte Carlo ...
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Araújo, José Milton de; Awruch, Armando Miguel
(1998)
A methodology for the probabilistic analysis of concrete gravity dams is presented, Concrete properties and seismic excitation are considered as random variables. The seismic excitation is considered as a non-stationary ...
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Lopes, Paulo André Menezes; Gomes, Herbert Martins; Awruch, Armando Miguel
(2010)
Saving of computer processing time on the reliability analysis of laminated composite structures using artificial neural networks is the main objective of this work. This subject is particularly important when the reliability ...
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Gomes, Herbert Martins; Awruch, Armando Miguel; Lopes, Paulo André Menezes
(2011)
The design of anisotropic laminated composite structures is very susceptible to changes in loading, angle of fiber orientation and ply thickness. Thus, optimization of such structures, using a reliability index as a ...
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Scalabrin, Leonardo Costa; Azevedo, João Luiz Filgueiras de; Teixeira, Paulo Roberto de Freitas; Awruch, Armando Miguel
(2004)
Aerodynamic flow simulations over the first Brazilian satellite launch vehicle, VLS, during its first-stage flight are presented. The three dimensional compressible flow is modeled by the Euler equations and a Taylor-Galerkin ...
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Teixeira, Paulo Roberto de Freitas; Awruch, Armando Miguel
(2001)
An algorithm to simulate three-dimensional high compressible flows using the finite element method and a multi-time-step integration technique with subcycles is presented in this work. An explicit two-step Taylor–Galerkin ...
