http://wikimechanica.eesc.usp.br/ 2026-04-05T04:41:27+00:00 http://wikimechanica.eesc.usp.br/ http://wikimechanica.eesc.usp.br/_media/wiki/logo.png text/html 2025-02-11T12:24:34+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/apoiofinanceiro?rev=1739276674&do=diff Apoio Financeiro Apoio Geral PROEX - Coordenação de Aperfeiçoamento de Pessoal de Nível Superior - Brasil (CAPES) - Código de Financiamento 001 Trabalhos em andamento Patrícia Tonon Doutorado: <font 12px/inherit;;inherit;;inherit>Título: Desenvolvimento de código computacional para análise de interação fluido estrutura 3D combinando análise isogeométrica e método dos elementos finitos</font> text/html 2019-05-07T20:24:45+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/boost?rev=1557260685&do=diff A biblioteca boost deve ser instalada com o seguinte comando: sudo apt-get install libboost-dev libboost-all-dev libboost-system-dev Caso tenha interesse em instalar as bindings, que são interfaces criadas para usar os solvers do lapack direto com o boost, faça o download utilizando o comando: text/html 2019-08-27T20:04:15+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/ccache?rev=1566936255&do=diff Compiler cache Ccache is a compiler cache used to speed up recompilation by caching previous compilations. see the website of ccache for more informations. To install Ccache, use the following steps: 1. Install package sudo apt install -y ccache 2. Update symlinks text/html 2017-11-16T11:40:48+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/cluster?rev=1510832448&do=diff Acessos ao cluster sendo utilizados pelo grupo de pesquisa P2 - Jeferson P3 - Giovane text/html 2018-07-20T22:26:44+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/codelite?rev=1532125604&do=diff CodeLite é uma IDE voltada para programação em linguagem C++ no Linux. É de fácil uso e possibilita a utilização do Debugger para a verificação de erros no código. Para sua utilização é necessário ter instalado um compilador de c++ e uma versão do cmake superior a 3.5. Caso não tiver, digite no terminal: text/html 2018-07-11T13:52:02+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/cpp?rev=1531317122&do=diff Alguns materiais e apostilas de programação em C++ [Slides Treinamento C++] [apostila.pdf] [apostila2.pdf] http://www.cplusplus.com text/html 2016-07-26T13:47:07+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/dotemacs?rev=1469540827&do=diff ;;------------------------------------------------------------------------------ (setq initial-frame-alist ' ;;(add-hook 'c++-mode-hook 'my-c++-mode-hook) ;;--------------------------------------------------------------------------------------------- text/html 2018-06-25T19:22:25+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/doxygen?rev=1529954545&do=diff Doxygen is a standard tool for generating documentation from annotated C++ sources, but it also supports other popular programming languages Fortran. Visit the main page for more details. Instalation: The following packages must be installed: sudo apt-get install doxygen sudo apt-get install graphviz text/html 2018-08-21T15:49:21+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/emacs?rev=1534866561&do=diff Instalando e configurando o .emacs 1 - Primeiramente instale o emacs em seu computador: sudo apt-get install emacs Instalar no servidor apt-get install dbus-x11 2 - Copie o arquivo [emacs.txt] para a raiz do seu computador (renomear para .emacs); 3 - Copie o arquivo text/html 2024-08-22T13:17:29+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/fsi_contact?rev=1724332649&do=diff <font 22px/inherit;;inherit;;inherit>Fluid structure interaction with structural contact </font> <font 14px/inherit;;inherit;;inherit>This project introduces a computational tool that performs nonlinear dynamic analysis with positional formulation of fluid-structure interaction (FSI) problems with structural contact. The study of FSI problems with structural contact generates relevant contributions both in engineering (collision problems between immersed solids, floodgates, flow valves and infl… text/html 2019-03-15T13:20:36+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/github?rev=1552656036&do=diff Git Git is a system for version and shared edition control of codes. GRUMEC uses Git for registering the edition history of computational mechanics implementations and scientific papers writing in LaTeX. GitHub GitHub is an online platform where you can host and share your git repositories and projects. After git is installed in your machine, it is necessary to configure an username and an email. text/html 2018-03-02T19:23:53+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/group?rev=1520018633&do=diff Professores: Rodolfo André Kuche Sanches Mestrandos / Master Students: Giovane Avancini (2016-2018): Péricles R P Carvalho (2017 - ): Doutorandos / PhD Students: Jeferson W D Fernandes: Acoplamento fluido-estrutura com malhas sobrepostas utilizando o método Arlequin text/html 2020-09-01T14:44:24+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/hdf5_xdmf?rev=1598971464&do=diff Hierarchical Data Format (HDF) is a set of file formats (HDF4/HDF5) designed to manage, process, and store large amounts of heterogeneous data. HDF5 is built for fast Input/Output processing and storage. Paraview enables to process data in HDF format. To do so, the result mey to be split in two files a .xmdf, which is loaded by paraview, and a .h5 storing the mesh properties (points and connectivity) as well as attributes (lists such as velocity, displacement etc). text/html 2024-09-12T20:15:26+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/ife-ps?rev=1726172126&do=diff Incompressible fluid porous structure interaction with phase homogenization: a partitioned approach In this project, we propose a new decomposition formulation for the dynamic analysis of poroelastic problems called ysvfpf considering geometric nonlinearity and allowing large displacements, where the superindex denotes the respective phase { text/html 2020-09-01T14:22:25+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/implementationtools?rev=1598970145&do=diff Undo rm Emacs PETSc - Algebraic system of equations solver SLEPc - Eigenvalue problems solver (PETSc exenstion) Paraview Makefile Github Doxygen Ccache MPI C++ Boost Triangle HDF5 and XDMF files text/html 2019-02-11T12:53:09+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/latex?rev=1549889589&do=diff Para instalar o LaTeX é necessária uma distribuição, sendo as mais comuns MiKTeX e TeX Live. A primeira conta com uma interface gráfica embutida para gerenciar os pacotes, porém, é mais instável que a segunda. Opção 1: MiKTeX O MiKTeX é uma implementação atualizada do TeX/LaTeX. Para instala-lo, pode-se seguir as instruções contidas no site oficial ( text/html 2016-09-01T20:02:57+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/makefile?rev=1472760177&do=diff O programa make é uma ferramenta bastante utilizada para o controle de grandes programas, facilitando as tarefas de compilação e execução. Para entender o seu funcionamento, suponha a existência de um programa composto por três arquivos: main.f, part1.f e part2.f. text/html 2018-06-22T20:07:35+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/mpi?rev=1529698055&do=diff Algumas apostilas sobre programação paralela utilizando MPI: [Apostila 1] [Apostila 2] [Apostila 3] [Apostila 4] text/html 2019-10-11T14:30:36+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/numericalintegration?rev=1570804236&do=diff Gauss Legendre: Efficient usage: 1D (line) elements, 2D quadrilateral elements, 3D hexahedral elements; Required number of points (Ngp) for a polynomial of degree d: 1D: Ngp= (d+1)/2 2D: Ngp(2D)=(Ngp(1D))2 3D: Ngp(3D)=(Ngp(1D))3 text/html 2020-02-10T13:26:15+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/overlap_crack?rev=1581341175&do=diff Overlapping meshes multiscale method for crack propagation analysis This project aims to develop a computational solver for applications in problems with crack propagation. For this, it will be used the multiescale method of overlapping meshes, due to the fact that the problems related to Fracture Mechanics involve localized effects within a larger domain, as it can be seen in Figure 1. To do so, we will blend a discrete and suitable local mesh over a global mesh, whose discretization is unsuit… text/html 2020-03-05T14:04:33+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/overlapping_meshes?rev=1583417073&do=diff Fluid-structure coupling with overlapping fitted-unfitted fluid meshes In this project, we aim to develop a Fluid-Structure Interaction solver by applying an overlapping fluid mesh technique. To do so, we introduce the multiscale Arlequin method [1], initially proposed and well developed in the Fracture Mechanics framework, into the Computational Fluid Mechanics context. The multiscale Arlequin method is based on three main ideas (see Fig. 1) [2,3]: text/html 2016-09-02T12:32:50+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/paraview?rev=1472819570&do=diff ParaView is the open-source, multi-platform data analysis and visualization application that we recommend. It enable the user to quickly build visualizations to analyze data using qualitative and quantitative techniques. It is a very good tool to analyze extremely large datasets using distributed memory computing resources and can be run on supercomputers as well as on laptops for smaller data. text/html 2023-03-22T18:05:32+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/petsc_install?rev=1679508332&do=diff Para instalar PETSc, bem como os demais principais aplicativos empregados em conjunto, segundo a configuração utilizada atualmente pelo grupo de pesquisa, vá mais adiante nesta página clicando aqui. Pré-Requisitos: Utilizando o Ubuntu server 18.04, abra o terminal instale os pacotes com a seguinte linha de comando: text/html 2019-07-29T20:12:01+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/petsc_test?rev=1564431121&do=diff Juntamente com os arquivos que compõem a biblioteca PETSc, são disponibilizados diversos exemplos de aplicação do pacote. Basicamente existem pacotes para três tipos de aplicações: KSP - Solvers para Equações Lineares baseados em métodos de Krylov (Krylov Subspace Methods); SNES - Solvers para Equações Não Lineares; TS - Solvers para Equações Diferenciais Ordinárias (ODE) e Algébricas (DAE) escalonáveis. text/html 2016-08-08T16:49:32+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/petsc?rev=1470674972&do=diff Guia de Instalação Teste de Funcionamento text/html 2020-01-21T17:46:25+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/pfem?rev=1579628785&do=diff <font 12pt/inherit;;inherit;;inherit>This work introduces a formulation, under Lagrangian description, for the solution of solid, incompressible fluid dynamics and fluid-structure interaction (FSI). In FSI problems, the structure usually presents large displacements thus making mandatory a geometric non-linear analysis. Considering it, we adopt a position based formulation of the finite element method (FEM) which has been shown to be very robust when applied to large displacement solid dynamics.… text/html 2020-03-11T13:30:06+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/plasticity?rev=1583933406&do=diff <font 20px/inherit;;inherit;;inherit>Large strain viscoelastic-viscoplastic constitutive model applied to 2D contact problems</font> Motivated by several manufacturing processes, such as cold metal forming and additive manufacturing, we develop a computational code for numerical simulation of two-dimensional problems addressing three types of nonlinearities: geometric nonlinearity, present in large displacements situations; physical non-linearity, present in large strain / inelastic constitutiv… text/html 2016-07-27T14:18:38+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/private?rev=1469629118&do=diff #redirect private:private text/html 2024-09-12T13:11:02+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/projetos_em_andamento?rev=1726146662&do=diff Ongoing Research / Projetos em andamento -Fluid-structure coupling with overlapping fitted-unfitted fluid meshes -Positional particle-finite element formulation for fluid-structure interaction -Large strain viscoelastic-viscoplastic constitutive model applied to 2D contact problems -Fluid-structure interaction with structural contact -Overlapping meshes multiscale analysis of crack propagation -Incompressible fluid porous structure interaction with phase homogenization: a partitioned appro… text/html 2019-03-18T15:50:14+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/slepc?rev=1552924214&do=diff The SLEPc (Scalable Library for Eigenvalue Problem Computations) is a software library for the solution of large scale sparse eigenvalue problems on parallel computers. It is an extension of PETSc and can be used for linear eigenvalue problems in either standard or generalized form, with real or complex arithmetic. It can also be used for computing a partial SVD of a large, sparse, rectangular matrix, and to solve nonlinear eigenvalue problems (polynomial or general). Additionally, SLEPc provide… text/html 2021-03-22T20:07:46+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/solverpre?rev=1616443666&do=diff ATUALIZAÇÃO - 22/03/2021 Nos testes realizados mais recentemente, observou-se que os solvers iterativos (GMRES, BiCGSTAB etc) não funcionam apropriadamente com elementos finitos triangulares quadráticos. No entanto, para elementos finitos lineares, são obtidos bons resultados. Os testes foram realizados no programa de escoamentos incompressíveis otimizado (matriz em banda com nós renumerados) para o escoamento sobre o aerofólio NACA 0012 com Re=1000. Os melhores resultados foram obtidos com o s… text/html 2025-06-09T13:21:02+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/start?rev=1749475262&do=diff Welcome to Wikimechanica! <font 18px/18px;;inherit;;inherit>This is the Wiki of the research group on Computational Mechanics from the Structural Engineering Department at São Carlos Engineering School of University of São Paulo (EESC/USP).</font> text/html 2019-07-26T11:38:24+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/triangle?rev=1564141104&do=diff Triangle é um software de distribuição livre para geração de malhas, triangulação de Delaunay e convex hull que pode ser baixado no link https://www.cs.cmu.edu/~quake/triangle.html. Basicamente existem duas formas de utilizar o programa: - A primeira e mais simples é compilando o código separadamente em um executável através do makefile, digitando no terminal: text/html 2020-01-21T17:32:35+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/undorm?rev=1579627955&do=diff if you just used rm command by mistake and ended up loosing important files, visit this page: <http://extundelete.sourceforge.net/> text/html 2018-11-06T16:47:58+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/viscoplasticity?rev=1541522878&do=diff asdasdasd text/html 2019-09-17T13:05:23+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/vnc-server?rev=1568725523&do=diff VNC Server no Mint 19 Permite habilitar a conexão remota via VNC pois foi removido do mint. Retirado de https://thelinuxexperiment.com/enabling-remote-desktop-sharing-vnc-on-linux-mint-19/ sudo apt install vino gsettings set org.gnome.Vino require-encryption false gsettings set org.gnome.Vino prompt-enabled false gsettings set org.gnome.Vino authentication-methods "['vnc']" gsettings set org.gnome.Vino vnc-password $(echo -n 'minha_senha'|base64) text/html 2018-02-05T13:13:46+00:00 Anonymous (anonymous@undisclosed.example.com) http://wikimechanica.eesc.usp.br/xdefaults?rev=1517836426&do=diff emacs.font: 7×13 emacs.toolBar: off emacs.background: gray6