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1
Computational Aspects of the h, p and h-p Versions of the Finite Element Method.
1987-01-01

This paper discusses computational complexity of various versions of the finite element method in relation to the achieved accuracy of the finite element solution.

National Technical Information Service (NTIS)

2
Finite Element Analysis of Multilayered and Functionally ...
2006-11-01

... An elastic-plastic model has been developed to study the stress distribution in multilayered FG coatings using finite element method to achieve ...

DTIC Science & Technology

3
Constitutive Modeling and Finite Element Analysis of Fatigue ...
1996-03-11

... force conjugate to damage. This is achieved through the use of incremental damage tensors. The model involves both ...

DTIC Science & Technology

4
A Finite-Element Model for Evaluation of Middle Ear ...
2001-10-25

... be achieved by incorporating ligamental attachments and the cochlear load. ... be investigated are mass, shape, stiffness and position of the implant. ...

DTIC Science & Technology

5
On Locking and Robustness in the Finite Element Method
1990-05-01

... IN THE FINITE ELEMENT METHOD IIvo ... Page 3. ON LOCKING AND ROBUSTNESS IN THE FINITE ELEMENT METHOD by ...

DTIC Science & Technology

6
Efficient Finite Element Analysis of Seismic Structure-Soil-Structure Interaction.
1975-01-01

This report reviews the current level of accomplishment which may be achieved using finite element techniques for the performance of complete interaction analyses, and describes an efficient procedure which meets all desirable requirements without incurri...

National Technical Information Service (NTIS)

7
An Investigation of the Method of Finite Elements with ...
1978-12-01

... Title : An Investigation of the Method of Finite Elements with Accuracy Comparisons to the Method of Finite Differences for Solution of the Transient ...

DTIC Science & Technology

8
Control of the Mitotic Cleavage Plane by Local Epithelial Topology

topology 94 10 5 6 7 8 94 10 Finite element simulator Global cell shape distribution Mitotic cell shape in terms of a net, interfacial tension, which is modeled using rod-like finite elements. Division the empirical values and is achieved using long-axis divisions. For ...

E-print Network

9
x - NASA Technical Reports Server

The elastic twist deformation is used to achieve two different blade twist ... Large degree of freedom shell finite element models of an extension twist ...

NASA Website

10
Solution-Adaptive Aerodynamics Modeling on Personal Computers

We will begin with our unique solution-adaptive finite element method which automatically refines the mesh to achieve stability and accuracy while ...

NASA Website

11
Barriers to Achieving Textbook Multigrid Efficiency (TME) in CFD

equations by mixed finite element methods. Numer. Math. 65 (1993) 95�108. [8] P. Lascaux and P. Lesaint

E-print Network

12
Comparing 10 Methods for Solution Verification, and Linking to Model Validation.
2005-01-01

Grid convergence is often assumed as a given during computational analyses involving discretization of an assumed continuum process. In practical use of finite difference and finite element analyses, perfect grid convergence is rarely achieved or assured,...

National Technical Information Service (NTIS)

13
APPLICATIONS OF THE HYBRID FINITE ELEMENT ...
1988-01-01

... Title : APPLICATIONS OF THE HYBRID FINITE ELEMENT - BOUNDARY ELEMENT METHOD IN ELECTROMAGNETICS. Corporate Author : ...

DTIC Science & Technology

14
Finite Element, Finite Difference, and Finite Volume Methods ...
1996-03-01

... Title : Finite Element, Finite Difference, and Finite Volume Methods: Examples and their Comparisons. Descriptive Note : Final rept. Jan-Jul 95,. ...

DTIC Science & Technology

15
Validation of Finite Element and Boundary Element Methods ...
1992-11-01

... Noise, Vibration, Boundary clement, Finite ... STRUCTURES, BOXES, BOUNDARIES, STRUCTURAL ... INTENSITY, FINITE ELEMENT ANALYSIS ...

DTIC Science & Technology

16
Probabilistic finite elements for transient analysis in nonlinear continua
1985-01-01

The probabilistic finite element method (PFEM), which is a combination of finite element methods and

NASA Technical Reports Server (NTRS)

17
Pressure Stabilized Beam Finite Element
1978-12-01

... PRESSURE STABILIZED BEAM FINITE ELEMENT -- 6 PERFORMING ORG. ... PRESSURE STABILIZED BEAM FINITE ELEMENT INTRODUCTION ...

DTIC Science & Technology

18
Piecewise Polynomials and the Finite Element Method
2008-11-18

A discussion of the finite element method for solving elliptic systems and an open problem suggested by the construction of finite elements.

NSDL National Science Digital Library

19
Integration of a Constitutive Equation Based Finite Element for ...
1996-04-01

... Title : Integration of a Constitutive Equation Based Finite Element for Compositive Materials into a Commercial Finite Element Software Code. ...

DTIC Science & Technology

20
Finite Element Fracture Mechanics Analysis of Two ...
1974-11-01

... isoparametric finite elements with a ... RELATIONS, FINITE ELEMENT ANALYSIS, NUMERICAL ... ELASTIC PROPERTIES, PLASTIC PROPERTIES ...

DTIC Science & Technology

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21
FINITE ELEMENT MODELING OF THE FIBER TWIST TEST

... current and cancelled), Joint Staff and ... Title : FINITE ELEMENT MODELING OF THE FIBER ... USING THE ABAQUS FINITE ELEMENT PROGRAM. ...

DTIC Science & Technology

22
Applications of Adaptive Finite Element Methods to Problems ...
1991-07-14

... of adaptive finite element methods, the ... of parameters in degenerate partial differential equations. ... problems, adaptive finite elements are particularly ...

DTIC Science & Technology

23
An Investigation of Finite Difference and Finite Element ...
1988-06-01

... The finite element models for the staggered vertical grids did not perform up to their possibilities due to the boundary elements. ...

DTIC Science & Technology

24
Nonlinear, implicit, three-dimensional finite element code for solid and structural mechanics - User's Manual.
1995-01-01

This report provides a user's manual for NIKE3D, a fully implicit three-dimensional finite element code for analyzing the finite strain static and dynamic response of inelastic solids, shells, and beams. Spatial discretization is achieved by the use of 8-...

National Technical Information Service (NTIS)

25
NIKE3D: A nonlinear, implicit, three-dimensional finite element code for solid and structural mechanics. User's manual.
1991-01-01

This report provides a user's manual for NIKE3D, a fully implicit three-dimensional finite element code for analyzing the finite strain static and dynamic response of inelastic solids, shells, and beams. Spatial discretization is achieved by the use of 8-...

National Technical Information Service (NTIS)

26
Finite Element, Finite Difference, and Finite Volume Methods: Examples and their Comparisons.
1996-01-01

Elementary descriptions of finite element and finite difference methods are given while the finite volume method is briefly overviewed. Examples illustrating finite element and finite difference methods are worked out. Finally, comparisons of these ...

National Technical Information Service (NTIS)

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