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Computer software (or simply software) is the programs and procedures that enable a computer to perform a specific task, as opposed to the physical components of the system (hardware). This includes application software such as a word processor, which enables a user to perform a task, and system software such as an operating system, which enables other software to run properly, by interfacing with hardware and with other software.
The term "software" was first used in this sense by John W. Tukey in 1957. In computer science and software engineering, computer software is all information processed by computer systems, programs and data. The concept of reading different sequences of instructions into the memory of a device to control computations was invented by Charles Babbage as part of his difference engine. The theory that is the basis for most modern software was first proposed by Alan Turing in his 1935 essay Computable numbers with an application to the Entscheidungsproblem. Hally, Mike (2005:79). Electronic brains/Stories from the dawn of the computer age. British Broadcasting Corporation and Granta Books, London. ISBN 1-86-207663-4.
Relationship to hardware
Computer software is so called in contrast to computer hardware, which encompasses the physical interconnections and devices required to store and execute (or run) the software. In computers, software is loaded into RAM and executed in the central processing unit. At the lowest level, software consists of a machine language specific to an individual processor. A machine language consists of groups of binary values signifying processor instructions (object code), which change the state of the computer from its preceding state. Software is an ordered sequence of instructions for changing the state of the computer hardware in a particular sequence. It is generally written in high-level programming languages that are easier and more efficient for humans to use (closer to natural language) than machine language. High-level languages are compiled or interpreted into machine language object code. Software may also be written in an assembly language, essentially, a mnemonic representation of a machine language using a natural language alphabet. Assembly language must be assembled into object code via an assembler. More on [ Computer software ]
Companies :: Fluid Mechanics and Dynamics
Computational :: Fluid Mechanics and Dynamics
Software :: Physics
Fluid Flow :: Software
Aerospace Engineering :: Software for Engineering
CFD :: Finite Element Analysis
Advanced Aerodynamics Software - Software for airfoil aerodynamics by Dr. Hanley including the library of NACA 4, 5 and 6 digit airfoils. Computes lift, drag, moments and the Fourier coefficients for thin airfoil theory. Visualizes streamlines, pressure contours and boundary layers.
Meta Description: [ Airfoil analysis software and courseware: Aerodynamics analysis and airfoil design software
for airplane wings, propellers, rudders, keels, hydrofoils, turbines and other aerodynamics surfaces. ]
Aerodynamic Analysis of Arbitrary Airfoil - Calculates aerodynamics coefficientes and their variations for different angles of attack. Plots Velocity and pressure field.
Meta Description: [ FW MX Generic HTML ]
AeroLogic - The company which produces PSW, a program for visualizing fluid flow.
Airfoil Analysis Software - Windows software for analyzing airfoils using CFD and analytical techniques. VisualFoil can export an O-Mesh for finite difference/volume CFD analysis. On-line purchase.
Meta Description: [ Airfoil analysis software and courseware: Aerodynamics analysis and airfoil design software
for airplane wings, propellers, rudders, keels, hydrofoils, turbines and other aerodynamics surfaces. ]
Analytic and Computational Research, Inc. - ACRi specialises in Computational Fluid Dynamics (CFD) software and consulting services. Online purchase of their software.
Meta Description: [ ACRi, Inc., is a leader in CFD Software, as well as consulting in CFD and Environmental and Ocean Sciences. ACRi is located in Los Angeles, CA and has offices in France and India. Popular CFD software include ANSWER, PORFLOW, TIDAL and RADM, as well as CFD Studio, the new integrated development e... ]
Analytical Services and Materials, Inc. - Developer of the CFD solver PAB3D and provider of CFD analysis for industry and government RD using Beowulf clusters. Based in Hampton, VA, USA.
Meta Description: [ AS&M conducts advanced research and development in aeronautical engineering, computational fluid dynamics, atmospheric sciences, structures, materials, and nondestructive evaluation services. AS&M is also an innovator in high-temperature coatings, fiber optic sensors, research instrumentation, a... ]
Cambridge Flow Solutions Ltd. - Proprietary CAD, mesh and CFD software with application examples, including Formula 1 aerodynamics and unsteady combustion, from a network of developers based in Cambridge, UK.
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CFX Fluid Engineering Analysis - Computational fluid dynamics software, CFX and CFX-TASCflow.
Meta Description: [ CFX provides computational fluid dynamic (CFD) software and services. ]
DispSim Random Walk Model - A random walk simulation of longitudinal dispersion in open channel flow. Written in C++ and published under GNU license.
Flomerics - CFD-based thermal and ventilation analysis software products and services, FLOTHERM and FLOVENT. TLM-based electromagnetic analysis software products and services, FLO/EMC and Micro-Stripes.
Meta Description: [ FLOMERICS provides Simulation Software for Fluid Dynamics, Electronics Cooling, Electromagnetics, Heating and Ventilation ]
Flovent - CFD-based analysis software and consultancy services for simulation of building heating, airflow and ventilation.
Flow Science Incorporated - FLOW-3D, CFD software specializing in free surface flows, metal casting, fuel sloshing, ink jets and hydraulics. Based in Santa Fe, NM, USA.
Meta Description: [ A leading provider of CFD software solutions for a wide variety of applications. ]
Flownex - System CFD simulation software for performing detailed analysis and design of compressible and incompressible thermal-fluid systems such as complex pipe networks
Fluid Power Resources - Software and data for hydraulics engineers.
Meta Description: [ Software, Tools, and Data for the Hydraulics Engineer. Cross-reference valves between OEMs, 2D and 3D symbols, CAD models, and manufacturer catalogs. Try FREE Today. ]
Fluid Power Systems Dynamic Simulation Software - List of software packages.
GDT Software Group - GasDynamicsTool - CFD software for numerical simulation of gas-dynamics process - The GasDynamicsTool (GDT) is a computational package intended for numerical simulation of gas-dynamical processes within a broad range of initial and boundary conditions.
Meta Description: [ GasDynamicsTool is a general-purpose machine code application for integrating nonlinear gas dynamics equations. ScientificVR is a multifunctional visuailzation system, which has a a number of unique features that makes it outstanding tool for PC platform. ]
Hanley Innovations - Provides software for rapid aeordynamics conceptual design and analysis. Useful for education and industry.
Meta Description: [ CFD Software, Aerodynamics Conceptual Design and Analysis Software
for airplane wings, propellers, rudders, keels, hydrofoils, turbines and other aerodynamics surfaces. ]
HullDrag/32 - Estimates a yacht's hull resistance and suggests optimum values for LCB, Cp and LCF based on a target optimisation speed.
Meta Description: [ HullDrag/32, a freeware yacht design software estimates a yacht's hull resistance and suggests optimum values for LCB, Cp and LCF based on a target optimisation speed. ]
Icepak Electronics Cooling Software - Predicts air flow and heat transfer at component, board and cabinet levels.
Meta Description: [ Visit www.icepak.com for the latest news about the hottest product in electronics cooling - icepak thermal design software predicts air flow and heat transfer at component, board and cabinet levels. This page contains this information: Icepak: High Performance Electronics Design Solutions ]
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KB Software for Shock Hydrodynamics and Detonations - KB is a comprehensive package for simulations of shock hydrodynamics and detonations.
Numeca - Software for Computational Fluid Dynamics (CFD) design and automation.
PHOENICS - Computational fluid dynamics software suite from CHAM for the simulation of fluid-flow, heat-transfer and chemical reaction processes.
Phoenics Reader - Post-processing software for CHAM Phoenics CFD.
Pipe Pressure Loss Calculator - Free of charge Windows2000/XP program to calculate the pressure loss in a pipe using different methods. The web page contains formulas and tables related to the pressure loss calculation.
Meta Description: [ Fluid flow in pipe friction head loss (pressure loss) calculator, uses all methods available including Colebrook, Karman, Chezy, Hazen Williams, Tables, etc... ]
Pipesize - Excel spreadsheet template that calculates pressure drop, velocity and heat loss for gases and liquids flowing through pipes.
Meta Description: [ PIPESIZE is an Excel 97 spreadsheet template that computes pressure drop, velocity, and heat loss in pipes with liquid or gas fluid flow. It incorporates extensible databases with fluid properties. ]
Piping Systems Fluid Flow - Software for the design and optimisation of pipe networks, transporting compressible or incompressible fluids. Windows. Free download of demonstration version.
Meta Description: [ Pipe flow design and calculation software. FluidFlow3 is software for the design, analysis and problem solving of flow systems. Fluids can be liquids, gases, 2-Phase or non-Newtonian. ]
Pointwise Inc. - Grid generation software and services centered around the Gridgen software product: a multi-block, structured grid generator for computational fluid dynamics and finite element analysis. Based in Fort Worth, Texas, USA.
Meta Description: [ Pointwise is home of the Gridgen software for reliable CFD meshing. ]
Process Ace Software - Offers a centrifugal pump calculator for Palm OS handheld computer.
Meta Description: [ Palm engineering software and Palm hardware for Process and Mechanical Engineers. Steam tables, turbine, heater and pump calculations, handhelds
]
Ricardo Software - Simulation software for mechanics, gas dynamics and fluid mechanics, focusing on internal combustion engines and vehicles. Marketing, training, support.
Meta Description: [ Ricardo plc is a leading engineering technology provider, undertaking research, design, development and strategic services to the world's automotive manufacturers. ]
Shore CFD - Producers of MeshPilot, a 2D aerofoil mesh generation software package. Available as a free download.
SingleChips - Natural gas flow calculator.
Meta Description: [ Java applet, natural gas flow calculator ]
The visu project - A versatile visualization tool for scientific simultation data, distributed under the GNU GPL.
ViziFlow - Fluid flow modeling and streamline and pressure visualization in piping systems and around airfoils.
Meta Description: [ Fluid flow software. Viziflow for visualizing fluid flow in piping systems and aerofoils.
Flow modelling software gives simulation of streamlines and pressure. Fluid flow modeling and analysis means flow rate and pressure can be simulated and measured for pipes and aerofoils. Free download. ]
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