Search Results - "Pimenta, P.M."

On the boundary conditions of the geometrically nonlinear Kirchhoff–Love shell theory by Ivannikov, V., Tiago, C., Pimenta, P.M.

“…•Geometrically exact Kirchhoff–Love 3 parameters shell model is derived.•The initial geometry is exactly represented by means of a mapping procedure.•Several…”
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Generalization of the C 1 TUBA plate finite elements to the geometrically exact Kirchhoff–Love shell model by Ivannikov, V., Tiago, C., Pimenta, P.M.

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Generalization of the C1 TUBA plate finite elements to the geometrically exact Kirchhoff–Love shell model by Ivannikov, V., Tiago, C., Pimenta, P.M.

“…The finite element implementation of a geometrically exact thin shell model is reported in the present paper. The shell kinematics is based on the…”
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A novel algorithm for rate independent small strain crystal plasticity based on the infeasible primal-dual interior point method by Scheunemann, L., Nigro, P.S.B., Schröder, J., Pimenta, P.M.

“…Single crystal plasticity plays a major role in the analysis of material anisotropy and texture evolution, treats each crystalline grain individually. The…”
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Meshless implementation of the geometrically exact Kirchhoff-Love shell theory by Ivannikov, V., Tiago, C., Pimenta, P.M.

“…SUMMARYIn the present paper, a meshless generalized multiple fixed least squares implementation of the geometrically exact Kirchhoff–Love shell theory is…”
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Model order reduction with Galerkin projection applied to nonlinear optimization with infeasible primal‐dual interior point method by Nigro, P.S.B., Simões, E.T., Pimenta, P.M., Schröder, J.

“…Summary It is not new that model order reduction (MOR) methods are employed in almost all fields of engineering to reduce the processing time of complex…”
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Nonlinear dynamic analysis of creased shells by Ota, N.S.N., Wilson, L., Gay Neto, A., Pellegrino, S., Pimenta, P.M.

“…Recent studies analyze the behavior of advanced shell structures, like foldable, multistable or morphing shell structures. Simulating a thin foldable curved…”
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An exact conserving algorithm for nonlinear dynamics with rotational DOFs and general hyperelasticity. Part 2: shells by Campello, E. M. B., Pimenta, P. M., Wriggers, P.

“…Following the approach developed for rods in Part 1 of this paper (Pimenta et al. in Comput. Mech. 42:715–732, 2008 ), this work presents a fully conserving…”
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A hybrid-mixed finite element formulation for the geometrically exact analysis of three-dimensional framed structures by Santos, H. A. F. A., Pimenta, P. M., Almeida, J. P. M.

“…This paper addresses the development of a hybrid-mixed finite element formulation for the quasi-static geometrically exact analysis of three-dimensional framed…”
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Hybrid and multi-field variational principles for geometrically exact three-dimensional beams by Santos, H.A.F.A., Pimenta, P.M., Moitinho de Almeida, J.P.

“…This paper addresses the development of several alternative novel hybrid/multi-field variational formulations of the geometrically exact three-dimensional…”
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AN ALGORITHM FOR PROFILE AND WAVEFRONT REDUCTION OF SPARSE MATRICES WITH A SYMMETRIC STRUCTURE by MEDEIROS, S.R.P., PIMENTA, P.M., GOLDENBERG, P.

“…A new algorithm for reducing the profile and root-mean-square wavefront of sparse matrices with a symmetric structure is presented. Our numerical experiments…”
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