Search Results for "numerical methods" - Page 3
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Showing 81 open source projects for "numerical methods"
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Lagrangian Dynamics NF Sims
Articulated-body simulation engine written in C
...Of course it is all based on finite-differece derivatives, both oridinary and partial. The new flavour relies on my first theorem on Numerical Methods,and the 1 on numerical stability Hope this piece of software will be useful to many. For more info,visit homepage. I will provide detailed documentation on how to use the engine to implment simulations of most types of articulated bodies, soon. Enjoy! Simon, (a.k.a.) 'The Nerd of Algorithms -
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MATSLISE
Matlab package for the numerical study of Sturm-Liouville problems
MATSLISE is a graphical Matlab software package for the interactive numerical study of Sturm-Liouville problems. It allows the fast and accurate computation of the eigenvalues and the visualization of the corresponding eigenfunctions by making use of the power of high-order piecewise constant perturbation methods, also called the CP methods -
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tbmerge
Compare and merge text tables in a data base like manner
...This program treats tables in a database like manner, allowing to determine which of the fields/rows are present in either both or only one of the processed text files, and which of the cells common to both have different values, also including the possibility to do numerical comparison of cell values. Compared tables can be merged together using several possible methods. -
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igafem
Open source 3D Matlab Isogeometric Analysis Code
...The work is funded under the FP7 Initial Training Network Funding under grant number 289361 'Integrating Numerical Simulation and Geometric Design Technology.' If you use this code or inspired by it please cite the following reference in your work: VP Nguyen, C Anitescu, S Bordas, T Rabczuk. "Isogeometric analysis: an overview and computer implementation aspects". Mathematics and Computers in Simulation, (2015), pp. 89-116, Vol 117. -
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Advanced Numerical Instruments 2D
Advanced numerical instruments: adaptive meshing, FE methods, solvers
Ani2D provides portable libraries for each step in the numerical solution of systems of PDEs with variable tensorial coefficients: (1) unstructured adaptive mesh generation, (2) metric-based mesh adaptation, (3) finite element discretization and interpolation, (4) algebraic solvers. -
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Nonlocal and Gradient Elasticity
Assessment of high order one-dimensional approximation schemes
...A. Duarte, and A. Simone. One-dimensional nonlocal and gradient elasticity: Assessment of high order approximation schemes. Computer Methods in Applied Mechanics and Engineering, accepted for publication, 22 February, 2014 (www.sciencedirect.com/science/article/pii/S0045782514000723) -
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Interdependent Java frameworks: AMath (abstract numbers support); AFuzzy (fuzzy numbers and methods); AMathSys (flexible solvers of linear and nonlinear algebraic and differential equations); ADSM (multi-criteria ranking and grading of alternatives).
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IterInt is a numerical integration package that implements iterated numerical integration methods. Iterated methods can be used to compute low dimensional (less than ten, for example) integration problems to get very accurate results.
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Runge
Runge is an Interactive Solver for Systems of Differential Equations
...It uses Runge Rule to adjust step length to satisfy required precision on each step. It's effective. When it needs to compute derivatives (Jacobian matrix, for example) it does that analytically, i.e. without using numerical methods. It's portable. It works on Windows and Linux 32 and 64 bit and Mac OS X 64 bit. It's open. It allows you to implement and embed your own algorithms (aka "solvers"). It's easy to use. It allows to export results to MS Excel and MATLAB. It's multilingual. It currently supports Englis and Russian languages. ... -
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OpenXfem++
OpenXfem++ is an XFEM (eXtended Finite Element Method) written in C++.
...The implementation is described in the following article An extended finite element library S Bordas, PV Nguyen, C Dunant, A Guidoum, H Nguyen‐Dang International Journal for Numerical Methods in Engineering 71 (6), 703-732. -
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Extensible Cochlear Modelling Framework
Software to simulate the cochlea
A library that extends the finite element library deal.II (written in C++, see www.deal.II.org) by providing classes and methods to support the design of numerical cochlear models. -
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Pw.mac is an enhancement to Maxima, so you will have to get Maxima. Pw.mac enables Maxima to handle integration, differentiation, computation of products, sums and powers, plotting, transforming and simplifying piecewise continuous functions.
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LIME
LIME is a software tool for creating multiphysics simulation codes.
The Lightweight Integrating Multiphysics Environment for coupling codes (LIME) is a small software package for creating multiphysics simulation codes. LIME is intended to be especially useful when separate computer codes (which may be written in any standard computer language) already exist to solve di fferent parts of a multiphysics problem. LIME provides the key high-level software (written in C++), a well defi ned approach (with example templates), and interface requirements to enable the... -
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CGAL
CGAL (Computational Geometry Algorithms Library)
CGAL is used in various areas needing geometric computation, such as: computer graphics, scientific visualization, computer aided design and modeling, geographic information systems, molecular biology, medical imaging, robotics and motion planning, mesh generation, numerical methods. -
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ViennaMath
A symbolic math kernel in C++
ViennaMath provides a symbolic math kernel which can be used either for compile-time processing, or for run-time evaluation. Unlike other symbolic math implementations, ViennaMath aims at providing a fast math layer for use with numerical methods such as the finite element method (cf. ViennaFEM) -
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DIFFR is a menu-driven graphical software whereby the problem of a plane wave diffraction on a rough surface can be solved using several numerical and approximate methods.
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Numerical math is tool that demonstrates numerical math methods. It includes following areas: interpolation, numerical differentiation, numerical integration, root finding, linear systems, non-linear systems, differential equations.
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Improved version of the LibNumTh library (http://libnumth.sourceforge.net/), reimplementing its methods to work concurrently in a SMP environment. In addition, it is extended with support for linear algebra and numerical methods mechanisms.
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A C/C++ library for Cavity Quantum Electrodynamics Simulations. CQEDSimulator is a framework that provides all basic mathematical elements and methods to perform quantum numerical simulations. It's crossplatform, that works on Windows, Linux, Mac...
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Spasmos is a Python package that allows scientists to simulate the dynamics of highly collisional plasmas using a number of numerical methods.
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Geometric modeling, mesh generation and definition of boundary conditions for the numerical solution PDE problems by finite element and finite volume methods.
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...Nevertheless the toolbox capabilities to simulate numerical solutions of SDE systems are still valid and can serve as a useful starting point to those willing to simulate stochastic dynamical models easily.
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A repository of Direct Numerical Simulation codes (Full solutions of the Navier Stokes Equations in fluid dynamics) in various geometries using a mix of high-order finite-difference and spectral methods.
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Tools/libraries: analytical and numerical mathematical methods in ODE, PDE, Vector Calculus, Linear Algebra, Probability and Statistics, Numerical Methods, FEM, DSP. The current file release libham1.0 is for Geometric Integration of Hamiltonian Systems w
