Causes Fluid Retention
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 (50): OOFEM Download |
Zmanda Recovery Manager (ZRM) for MySQL simplifies the life of a database administrator who needs an easy-to-use yet flexible and robust backup and recovery solution for MySQL server.With ZRM for MySQL you can:- Schedule full and incremental backups of your MySQL database.- Start immediate backup...
Platforms: CGI and Perl
License: Freeware | Size: 122.88 KB | Download (50): Zmanda Recovery Manager for MySQL Script Download |
This script causes any image to fly in from the right edge of the screen to its original position.
Platforms: JavaScript
License: Freeware | Size: 102.4 KB | Download (45): Right-To-Left Flying Image Script for Graphics and Animations Download |
This script causes a line of text to drop down from the top of the screen,word by word, to the original location of the text.
Platforms: JavaScript
License: Freeware | Size: 102.4 KB | Download (42): Dropping Text Script for Graphics and Animations Download |
Electrohydraulic servoactuators provide one of the best controllers from the point of view of precision and speed of response. They are used to control wide range of mechanical parameters, such as the displacement, angular displacement, strain, force, and others. They incorporate, mostly, a...
Platforms: Matlab
License: Freeware | Size: 112.64 KB | Download (49): Transient Response of Electrohydraulic Servoactuator Download |
Electrohydraulic servo systems provide one of the best controllers from the point of view of precision and speed of response. They are used to control almost all hydraulic and mechanical parameters, such as the pressure, pressure difference, angular speed, displacement, angular displacement,...
Platforms: Matlab
License: Freeware | Size: 102.4 KB | Download (43): Transient Response of Two-Stage Electrohydraulic Servovalve Download |
Here is a simple Simulink file to calculate the stiffness of hydraulic spring.The theory is explained in my book:M Galal Rabie, Fluid power Engineering, McGraw-Hill, NY, 2009, pp 235-237
Platforms: Matlab
License: Freeware | Size: 102.4 KB | Download (57): Hydraulic Spring Download |
The electromagnetic torque motors are widely used in electrohydraulic servovalves. They serve to convert the control current into a proportional torque. For more details about the steady state and transient response calculation, please refer to my book:Galal Rabie, Fluid Power Engineering,...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (44): electromagnetic torque motor Download |
Here is a simple Simulink file to calculate the bulk modulus of oil-air mixture.The theory is explained in my book:Bulk Modulus of oilM Galal Rabie, Fluid power Engineering, McGraw-Hill, NY, 2009, pp
Platforms: Matlab
License: Freeware | Size: 61.44 KB | Download (48): Bulk Modulus of oil Download |
This file illustrates the effect of a properly designed proportional integral controller on the performance of Electrohydraulic servoactuators. The description of construction, operation and mathematical modeling of the Electrohydraulic servoactuator and steps of design of the PI controller are...
Platforms: Matlab
License: Freeware | Size: 112.64 KB | Download (44): Electrohydraulic Servoactuator with PI Controller Download |
The electrohydraulic servovalves are mostly multi-stage. They incorporate, mostly, a first stage which serves to convert the command current into a proportional pressure difference. For more details about the steady state and transient response calculation, please refer to my book:M Galal Rabie,...
Platforms: Matlab
License: Freeware | Size: 122.88 KB | Download (46): Single Stage of Electrohydraulic Servovalve Download |
Lumped Parameter Model of Hydraulic Transmission lineHere is a lumped parameter model of a hydraulic transmission line.The line is modeled by one, two, three, four and ten lump models.The simulation program presents the transient response in addition to experimental results.The theory is...
Platforms: Matlab
License: Freeware | Size: 122.88 KB | Download (41): hydraulic transmission lines Download |
The electromagnetic torque motors are widely used in electrohydraulic servovalves. They serve to convert the control current into a proportional torque. For more details about the steady state and transient response calculation, please refer to my book:M Galal Rabie, Fluid Power Engineering,...
Platforms: Matlab
License: Freeware | Size: 81.92 KB | Download (43): Transient Response of electromagnetic torque motor Download |
Stokesian Dynamics, a method developed by Brady and Bossis in the 80s, simulates the 3D motion of hydrodynamically interacting spheres at low Reynolds numbers. This program was originally written by Professor Ron Phillips during his PhD thesis at MIT in 1989. The code was adapted from Fortran 77...
Platforms: Matlab
License: Freeware | Size: 20.48 KB | Download (45): Stokesian Dynamic Simulation of Sedimenting Spheres in a Newtonian Fluid Download |
This file illustrates the effect of a properly designed proportional integral controller on the performance of Electrohydraulic servoactuators. The description of construction, operation and mathematical modeling of the Electrohydraulic servoactuator and steps of design of the PI controller are...
Platforms: Matlab
License: Freeware | Size: 122.88 KB | Download (42): PI Controller for Electrohydraulic Servoactuator Download |
The electrohydraulic servovalves are mostly multi-stage. They incorporate, mostly, a first stage which serves to convert the command current into a proportional pressure difference. For more details about the steady state and transient response calculation, please refer to my book:M Galal Rabie,...
Platforms: Matlab
License: Freeware | Size: 122.88 KB | Download (42): Transient Response of First Stage of Electrohydraulic Servovalve Download |
Engineers, scientists, and financial analysts frequently use optimization methods to solve computationally expensive problems such as smoothing the large computational meshes used in fluid dynamic simulations, performing image registration, or analyzing high-dimensional financial portfolios....
Platforms: Matlab
License: Freeware | Size: 1.21 MB | Download (47): Improving Optimization performance with Parallel Computing Download |
Based on recent mathematical advances, BhT provides a collection of M-Files for design, simulation and analysis of articulated bodies' motions in fluid. More widely, BhT allows also to perform easily any kind of numeric experiments about the motion of solids in fluids (simulations of so-called...
Platforms: Matlab
License: Freeware | Size: 3.79 MB | Download (41): Biohydrodynamics Toolbox Download |
A Kirchhoff elliptic vortex is a 2D elliptical region (or d-deDUpatchd-deDt) of uniform vorticity embedded in an inviscid, incompressible and irrotational fluid. G. Kirchhoff showed that these are exact solutions to the nonlinear Euler equations in 1876.Subsequently, A. E. H. Love analyzed the...
Platforms: Matlab
License: Freeware | Size: 829.44 KB | Download (47): Kirchhoff Vortex Contour Dynamics Simulation Download |
Five scripts that demonstrate some aspects of the dynamics of rotating reference frames:1) rotation.m shows a very simple 3-d trajectory from inertial and rotating reference frames.2) Coriolis.m simulates a 2-d trajectory in a rotating frame that omits the centrifugal force. This allows several...
Platforms: Matlab
License: Freeware | Size: 2.18 MB | Download (43): a Coriolis tutorial Download |