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Topic: Finite element analysis

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Finite element method

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	Finite Element Analysis: Post-processing (Site not responding. Last check: 2007-10-31)
		After a finite element model has been prepared and checked, boundary conditions have been applied, and the model has been solved, it is time to investigate the results of the analysis.
		Another direction clearly visible in the finite element field is the integration of FEA packages with so-called "mechanism" packages, which analyze motion and forces of large-displacement multi-body systems.
		In summary, the finite element method is a relatively recent discipline that has quickly become a mature method, especially for structural and thermal analysis.
	www.finiteelement.com /feawhite4.html (828 words)

	Finite element analysis - Wikipedia, the free encyclopedia
		Development of the finite element method in structural mechanics is usually based on an energy principle such as the virtual work principle or the minimum total potential energy principle.
		A common use of FEA is for the determination of stresses and displacements in mechanical objects and systems.
		However, it is also routinely used in the analysis of many other types of problems, including those in heat transfer, fluid dynamics and electromagnetism.
	en.wikipedia.org /wiki/Finite_element_analysis (569 words)

	Finite element method - Wikipedia, the free encyclopedia
		Development of the finite element method began in earnest in the middle to late 1950s for airframe and structural analysis, and picked up a lot of steam at Berkeley (see Early Finite Element Research at Berkeley) in the 1960s for use in civil engineering.
		The development of the finite element method in structural mechanics is often based on an energy principle, e.g., the virtual work principle or the minimum total potential energy principle, which provides a general, intuitive and physical basis that has a great appeal to structural engineers.
		Mathematically, the finite element method (FEM) is used for finding approximate solution of partial differential equations (PDE) as well as of integral equations such as the heat transport equation.
	en.wikipedia.org /wiki/FEM (2200 words)

	Finite Element Analysis
		Finite Element Analysis is based on the premise that an approximate solution to any complex engineering problem can be reached by subdividing the problem into smaller more manageable (finite) elements.
		Using finite elements, solving complex partial differential equations that describe the behavior of certain structures can be reduced to a set of linear equations that can easily be solved using the standard techniques of matrix algebra.
		Finite element analysis is the method of choice for optimizing new designs, verifying the fitness of existing facilities, predictive performance and evaluating new concepts.
	www.stress.com /tier3.php?pid=75&sid=1&iid=8&nname=Analysis (280 words)

	Ops A La Carte Finite Element Analysis (FEA) (Site not responding. Last check: 2007-10-31)
		Finite Element Analysis is a sophisticated technique used by engineers to estimate the responses of structures and materials to environmental factors such as fluid flow, forces, heat and vibration.
		Finite Element Analysis is an analysis technique use in design and improvement of components.
		Finite element models can be used for a wide variety of applications such as determining the natural frequencies and mode shapes, estimating the dynamic response, etc.
	www.opsalacarte.com /Pages/reliability/reliability_des_fea.htm (420 words)

	Introduction to Finite-Element Analysis (Site not responding. Last check: 2007-10-31)
		Finite element analysis is a numerical technique by which the solution of a set of differential equations may be performed.
		Finite element methods are predominantly used to perform analysis of structural, thermal, and fluid flow situations.
		Finite element analysis was first termed by R.W. Clough in a paper published in 1960, but the roots of the theory relates back to the Ritz method of numerical analysis, first introduced in 1909.
	feaservices.com /intro_fea/intro_fea.html (5317 words)

	Finite Element Analysis Overview (Site not responding. Last check: 2007-10-31)
		Finite element analysis (FEA) is a computerized method for predicting how a component/assembly will react to environmental factors such as forces, heat, and vibration.
		Finite element analysis, as related to the mechanics of solids, is the solution of a finite set of algebraic matrix equations that approximate the relationships between load and deflection in static analysis and velocity, acceleration, and time in dynamic analysis.
		The word "finite" in "finite element analysis" indicates that there are a finite number of elements in a model, such as a piston.
	www.npd-solutions.com /feaoverview.html (316 words)

	Finite Element Analysis - O'Donnell Consulting
		Finite Element Analysis (FEA) is a tool used to quantify the response of a component subjected to various loads (thermal, structural, vibratory, etc.) The analysis is done by modeling the structure into thousands of small pieces (finite elements).
		However, each element interacts with its neighbors, i.e., each element's response tightly depends on that of its neighbors, and the responses of their neighbors to those of other neighbors, and so forth.
		FEA was largely developed in the 1950's by aerospace engineers to design better aircraft structures.
	www.odonnellconsulting.com /forensicfea.html (417 words)

	ANSYS (R) Finite Element Analysis Info and Tips
		FEA is used in many other disciplines -- for civil engineering, and to examine such things as electric and magnetic fields, acoustic fields, fluid flow, heat transfer, and their interaction with structures.
		The FEA user should always show that the results of a Finite Element Analysis are valid, on the basis of other methods of analysis, previous practice, various typical checks, and experience.
		Arrangement of the sequence of element derivation operations to minimize the complexity of the resulting stiffness matrix equations.
	www3.sympatico.ca /peter_budgell/home.html (1433 words)

	Finite Element Structural Analysis: A New Tool for Bicycle Frame Design, by Leisha A. Peterson and Kelly J. Londry
		In this study, the quasi-static pedal-load analysis was applied to the "worst case" situation: when the cranks are positioned at the maximum loading angle, approximately parallel with the ground.
		Finite element analysis proves to be helpful in investigating a design for potential fatigue problems, even though factors beyond the FEA-calculated stresses are involved.
		Thus, the FEA method complements empirical load-deflection tests, such as the Klein patent test, which serve well for an overall evaluation of existing frames, but do not provide sufficient detailed data to show which frame components may need to be changed to improve frame performance.
	www.sheldonbrown.com /rinard/fea.htm (4460 words)

	Finite Element Analysis (Site not responding. Last check: 2007-10-31)
		Finite Element Analysis is a technique by which the stresses, deflections and reaction forces in objects can be estimated.
		The behaviour of all of the small elements is then put together to estimate the stresses and deflections in the entire object.
		FEA technology is fundamentally complex and should not be attempted without a reasonable physical understanding of the problem being solved and knowledge of the limitations of the models involved.
	www.e3k.com /pages/fea.htm (534 words)

	Free Mechanical Engineering: Finite Element Analysis
		LISA can be used for linear static and dynamic stress analysis, eigen, steady/unsteady heat transfer, incompressible fluid flow, seepage, electromagentic, acoustic analysis, etc. Good meshing tools, 2D automatic mesh generator, 2D/3D super element mesh generator, pressure vessel design module for standard pressure vessel components.
		Linear and non-linear static/dynamic, thermal and fluid analysis.
		Assembly and solution of finite element equations can be simulated interactively and graphically so that the process of finite element analysis can be visually inspected and explored.
	www.freebyte.com /cad/fea.htm (1007 words)

	Finite Element Analysis
		Finite element analysis (FEA) is a computational technique for used to model the physical response of a structure to stress, deformation or temperature.
		Working with the Abaqus finite element software complex models can be generated to account for material non lineararity, heat flow, stress relaxation and permanent set and advanced contact simulations of models involving complex assemblies of interacting parts.
		Finite element analysis is applied to both design development projects, allowing rapid evaluation of design concepts early in the design process, and failure analysis work assess the stresses imposed on a structure under service conditions.
	www.ipolytech.com /FEA.html (177 words)

	Introduction to Finite Element Analysis
		Finite Element Analysis (FEA) was first developed in 1943 by R. Courant, who utilized the Ritz method of numerical analysis and minimization of variational calculus to obtain approximate solutions to vibration systems.
		FEA consists of a computer model of a material or design that is stressed and analyzed for specific results.
		FEA has become a solution to the task of predicting failure due to unknown stresses by showing problem areas in a material and allowing designers to see all of the theoretical stresses within.
	www.sv.vt.edu /classes/MSE2094_NoteBook/97ClassProj/num/widas/history.html (801 words)

	VMA - General Purpose Finite Element Analysis Codes
		The Abaqus suite of analysis software are used throughout the world to simulate the physical response of structures and solidbodies to load, temperature, contact, impact, and other environmental conditions.
		IntuitiveFEM is an integrated software for finite element analysis, which is an advanced numerical technique to solve and analyze physical problems arising in many fields of science and engineering.
		Some capabilities are: Linear and nonlinear static analysis, fEA for composite structures (linearandnonlinear), geometry and FEA data dransfer from CAD Programs, structural analysis by adaptive p-version of FE methods, linear and non linear heat transfer analysis, steady state and transient including radiation, eigen value calculations and forced response analysis, fatigue and fracture analysis program...
	www.bodrum-bodrum.com /vorteks/arsenal/feacodes2.htm (1810 words)

	Finite Element Analysis \| Geocomp Corporation
		The contents are based on my personal experiences from using finite element analysis for some thirty years to help solve engineering problems.
		It becomes almost impossible to check that the analysis is correct by examining the results of the finite element analysis alone.
		Having a finite element model that looks great on paper is quite possible, yet that model may give calculated displacements that are 0.1 to 10 times those of the actual situation.
	www.geocomp.com /Finite-Element-Analysis.htm (313 words)

	What is Finite Element Analysis (Site not responding. Last check: 2007-10-31)
		With Finite Element Analysis software, the exact strength of an object may be determined.
		Solid model FEA is sometimes used to verify the validity of assumptions in the calculations.
		FEA exposes the weakness and the product’s strengthen be increased through a design change.
	www.ryan-engineering.com /main/structural_services/finite_element (144 words)

	Finite Element Analysis (Site not responding. Last check: 2007-10-31)
		Stress analysis is used to ensure that a given component is able to achieve its expected life when subjected to in-service loadings.
		FEA consists of a computerised model of the component geometry to which service loads may be applied along with relevant material property data.
		Using simple polynomial shape functions within each element, the displacement of the element’s nodes can be determined under the applied loading conditions.
	www.castingsdev.com /public/services/designprototyping/DPRFiniteElementAnalysis.asp (258 words)

	CEI Virtual Campus - ASME Section VIII, Division 1, Design and Fabrication of Pressure Vessels
		Originally developed for aerospace structural analysis, FEA has grown to provide a convenient and speedy tool for approximation of the solution to a wide variety of complicated engineering problems.
		Thus, basic knowledge of the background theory and knowledge of best practices of FEA is sufficient to allow an engineer to perform finite element analysis, once a software package is obtained and the engineer has time to learn its use.
		It is not meant to produce finite element theorists, but rather a class of responsible users.
	elearn.asme.org /courses/finiteelement.htm (613 words)

	Finite element analysis
		Finite element analyses are conducted on a Silicon Graphics 4 CPU Origin 200 with 1.5 GB RAM.
		The number and type of elements is chosen to ensure that the variable distribution over the whole body is adequately approximated by the combined elemental representations.
		In a stress analysis problem, the finite element software calculates the displacements of the nodes, and from this information, the stresses and strains in the elements are determined.
	www.twi.co.uk /j32k/getFile/fea_index.html (572 words)

	Finite Element Analysis
		FEA is a means of quickly analyzing the effects of various loading conditions.
		Analysis of thermal or mechanical effects in the context of an assembly including contact and friction.
		Above: Isotherm plot of a transient thermal analysis revealed favorable temperature distribution 2 seconds after power was applied to a custom heater.
	www.kinemetrix.com /html/finite_element_analysis.html (289 words)

	FINITE ELEMENT ANALYSIS
		FEA work was crucial to the design of S1.
		From 10-40 analysis iterations were run for each load case.
		The revised model predicts the first two modes to occur at 8 and 21 hz, which is a more favorable prediction to the test results of 11 and 25 hz.
	www.coe.montana.edu /me/faculty/cairns/sharp/finite_element_analysis.htm (213 words)

	Expert: Patran, Finite Element Analysis Expert
		He has applied ABAQUS to linear and nonlinear stress analysis problems and is expert in the use of PATRAN to model complex 3D solids.
		Expert has a background in course and curriculum development in the application of the finite element method to solving practical problems.
		He is knowledgeable in the application of strength of materials theory to failure analysis, strain dependent problems, and plane strain problems in the fields of aerospace, automotive, and consumer-related product design feasibility, failure analysis, and design optimization.
	www.intota.com /viewbio.asp?bioID=603419&perID=108040 (852 words)

	Finite Element Analysis
		Synergy Technology uses finite element analysis (FEA) to predict performance, evaluate stress and deformation, find temperature, pressure and velocity distributions, and determine possible failure modes for our client's static, dynamic and non-linear, structural, thermal and fluid problems.
		FEA is a valuable tool when designing critical components by analyzing their adequacy under a variety of conditions simulating actual use.
		Detecting limitations of a design prior to component fabrication can reduce development costs.Synergy Technology also uses FEA to investigate ways of correcting performance problems of existing components found to be inadequate.
	www.synergytec.com /Finite_Element.html (89 words)

	Finite Element Analysis
		QinetiQ has had a finite element capability for many years and has had numerous opportunities to use it on internal and external work.
		Finite Element Model of T5 ion thruster grid (left), and predicted stresses on the grid (right)
		Analysis of equipment for flight clearance in fixed and rotary wing aircraft
	www.qinetiq.com /home/commercial/space/space_services___facilities0/structural_and_thermal/finite_element_analysis.html (204 words)

	Theory of Finite Element Analysis
		Finite Element Analysis (FEA) is a numerical method which provides solutions to problems that would otherwise be difficult to obtain.
		The overall objective of our analysis will be to determine the displacements of the truss members given the load P. The first thing we must do is choose our elements.
		As a matter of fact, values such as these are always needed in finite element analyses; they are known as " boundary conditions." Next, we must state the reactions which are known from our particular loading.
	www.sv.vt.edu /classes/MSE2094_NoteBook/97ClassProj/num/midkiff/theory.html (917 words)

	Finite Element Analysis
		ADC can perform design, analysis, optimization and process simulations to ensure that its customers meet their design goals and manufacturing requirements.
		The engineering design and analysis group is a multi-disciplinary team of engineers and scientists with unique training and creativity, and dedication to meeting the needs of our customers.
		Finite element micro-model of four solder joints connecting a chip to a wiring plane within a polymer build-up layer.
	www.adc9001.com /index.php?src=custom_fea (243 words)

	Finite Element Analysis
		The finite element method is a powerful numerical tool for analyzing mechanical components and systems.
		The representation of a component or system mathematically with finite element, generally involves a discretization of the structure into many small pieces, e.g.
		The finite element method provides an accurate tool to predict and evaluate component response, elastic or non-linear plastic, subjected to thermal and structural loads.
	www.matcoinc.com /finite_element_analysis.html (312 words)

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