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Finite

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Added: August 31, 2013 | Visits: 238

OOFEM OOFEM is free finite element code with object oriented architecture for solving mechanical, transport and fluid mechanics problems that operates on various platforms.The aim of this project is to develop efficient and robust tool for FEM computations as well as to provide modular and extensible... Platforms: C and C plus plus

License: Freeware Size: 3.26 MB Download (21): OOFEM Download

Added: July 12, 2013 | Visits: 247

XFA library The XFA library is a Finite Automata (FA) library to handle tasks like building (programmatically or from regular expressions), converting NFA (Non-deterministic FA) to DFA (Deterministic FA) and reducing FA graphs.The library relies only on the availability of an ANSI C compiler, and in this way... Platforms: C and C plus plus

License: Freeware Size: 337.92 KB Download (19): XFA library Download

Added: June 22, 2013 | Visits: 264

SD Toolbox This toolbox includes a complete set of blocks implemented in the Simulink environment, which allows designers to perform time-domain behavioral simulations of switched-capacitor sigma-delta modulators.The proposed set of blocks takes into account most of the SC sigma-delta modulator... Platforms: Matlab

License: Freeware Size: 266.24 KB Download (18): SD Toolbox Download

Added: June 05, 2013 | Visits: 201

Successive approximation ADC Includes:-error calculation for DAC's finite bandwidth & slew-rate-remedy to the error-dynamic performance-simulation with real binary resistive DAC-description file Platforms: Matlab

License: Freeware Size: 81.92 KB Download (19): Successive approximation ADC Download

Added: September 08, 2013 | Visits: 285

Priority First Stack-based Sequential Decoder A stack-based sequential priority first decoder that returns Maximum-Likelihood solutions to M-QAM modulated MIMO system-type problems, i.e., a lattice decoder with optional justified rectangular boundary control. In such problems, the depth of the search tree is known and the number of children... Platforms: Matlab

License: Freeware Size: 40.96 KB Download (18): Priority First Stack-based Sequential Decoder Download

Added: July 06, 2013 | Visits: 261

Priority First Spherical Lattice Space-Time Decode A stack-based sequential priority first decoder that returns Maximum-Likelihood solutions to spherical LAST coded MIMO system-type problems, i.e., a lattice decoder with spherical boundary control. In such problems, the depth of the search tree is known but the number of children per node is not... Platforms: Matlab

License: Freeware Size: 51.2 KB Download (19): Priority First Spherical Lattice Space-Time Decode Download

Added: July 15, 2013 | Visits: 226

2-D Nozzle Design Given the conditions (Temperature, Pressure, etc.) of the combustion chamber as well as the ambient conditions and the diameter/area of the throat, the program will:a) Solve for the nozzle exit area that produces the max amount of thrust.b) Use the method of characteristics to solve for the shape... Platforms: Matlab

License: Freeware Size: 10 KB Download (21): 2-D Nozzle Design Download

Added: May 21, 2013 | Visits: 203

domino tiles Create a random matrix of a non-intercepting snake, like the game ("worm" or "snake"). Also described by filling a chessboard with dominos, except now the board can be rectangular, or any arbitrary shape (by changing the boarders).Uses an infinite loop to enumerate possibilities. There are a... Platforms: Matlab

License: Freeware Size: 10 KB Download (19): domino tiles Download

Finite Difference Laplace Equation Solver using unequal square grid xy grids The attachment contains:1. Related matlab files.2. Picture files of possible outputs.3. A read me text file.4. A report containing detailed explanations about the basics and about coding algorithm used herein.Finite difference (central) method is applied and solution is obtained for the stream... Platforms: Matlab


Added: July 30, 2013 | Visits: 220

Poiseuille Flow in a Rectangular Channel LU Decomposition is applied to a sparse banded matrix. We show how fill-ins can make solution by elimination not manageable. The same matrix is used to solve the Poiseuille flow problem in a rectangular channel using the finite differences approach. The result obtained using this numerical... Platforms: Matlab

License: Freeware Size: 10 KB Download (18): Poiseuille Flow in a Rectangular Channel Download

Added: July 05, 2013 | Visits: 253

Spiral waves in monodomain reaction-diffusion model Matlab implementation of a monodomain reaction-diffusion model in 2-D. The model equations are a variant of the Fitzhugh-Nagumo equations modified to simulate the cardiac action potential. The progression of the two normalized state variables, membrane voltage (v) and recovery (r), is computed... Platforms: Matlab

License: Freeware Size: 10 KB Download (21): Spiral waves in monodomain reaction-diffusion model Download

Added: March 26, 2013 | Visits: 249

fdtd1d.m A simple one-dimensional finite-difference time-domain (FDTD) electromagnetic routine that allows the user to specify arbitrary permittivity, permeability and conductivity profiles. Useful for helping students to visualize reflection, transmission, wave velocity and impedance concepts. Will also... Platforms: Matlab

License: Freeware Size: 10 KB Download (18): fdtd1d.m Download

Added: May 31, 2013 | Visits: 225

Temperature Profile in a Rectangular Plate The method uses finite differences to solve Laplace equation and matrix inversion to solve the resulting system of linear algebraic equations. The rectangular plate has both dimensions set equal to unity. Each dimension is discretized and the total number of nodal points is equal to 29*29. To... Platforms: Matlab

License: Freeware Size: 30.72 KB Download (18): Temperature Profile in a Rectangular Plate Download

Added: June 24, 2013 | Visits: 226

Global tsunami simulation GUI Global tsunami can be started with asteroid impact or earthquake or thermonuclear bomb. It simulated with 2d wave equation. It is wave equation on sphere surface. Land influence neglected. triangular mesh used. The method is some kind of finite difference method. See fromulas in laplacian.jpg... Platforms: Matlab

License: Freeware Size: 1.03 MB Download (19): Global tsunami simulation GUI Download

Added: April 23, 2013 | Visits: 278

Hamilton-Jacobi solver on unstructured triangular grids Implementation based on:"Finite-Element Discretization Of Static Hamilton-Jacobi Equations Based On A Local Variational Principle"by F. Bornemann and C. RaschComments:1. There is no restriction on the type of triangulation, i.e. it does not need to be acute. But the method will require more than... Platforms: Matlab

License: Freeware Size: 307.2 KB Download (19): Hamilton-Jacobi solver on unstructured triangular grids Download

Added: April 10, 2013 | Visits: 224

FWR Toolbox The FWR Toolbox is a MATLAB toolbox used to analysis the Finite Word Length ed¬TCdeects of linear time-invariant digital filters/controllers implementations.When digital d¬TCdalter/controller are implemented in computing machines (micro-controller, DSP, FPGA, etc.) with d¬TCdanite... Platforms: Matlab

License: Freeware Size: 1.23 MB Download (18): FWR Toolbox Download

Added: April 03, 2013 | Visits: 251

fminconCSD Complex step differentiation (CSD) is a superior numerical differentiation approach. Normally, it is more efficient and accurate than finite difference appraoch. This package provides a way to improve the MATLAB fmincon function using the CSD. Platforms: Matlab

License: Freeware Size: 10 KB Download (19): fminconCSD Download

Added: June 10, 2013 | Visits: 135

HermiteEig The package HermiteEig calculates a finite number of numerical eigenvalues and eigenfunctions of Schroedinger problem using the Hermite spectral method Platforms: Matlab

License: Freeware Size: 153.6 KB Download (18): HermiteEig Download

Automatic Mesh Function for Heterosis Fem with Modular-Filter Technique (update:31-07-07) Generally, in finite element models degree-of-freedom of all nodes be equals. But, a Heterosis finite element model has each of the corners are assumed to possess three degree-of-freedom (one displacement two rotation w,Qxx,Qyy) and centroidal node has two degree-of-freedom (two rotation... Platforms: Matlab


Added: September 08, 2013 | Visits: 243

lsqnonlinCSD Complex step differentiation (CSD) is a superior numerical differentiation approach. Normally, it is more efficient and accurate than finite difference appraoch. This package provides a way to improve the MATLAB lsqnonlin function using the CSD. Platforms: Matlab

License: Freeware Size: 10 KB Download (19): lsqnonlinCSD Download

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