ALBERT — All Library Books, journals and Electronic Records Telegrafenberg

1

Digitale Medien

Three-dimensional study of extrusion processes by Boundary Element Method. (1988)

Tran-Cong, T. ; Phan-Thien, N.

Springer

Rheologica acta 27 (1988), S. 639-648

zur Merkliste hinzufügen auf der Merkliste

Details

ISSN: 1435-1528

Schlagwort(e): Boundary Element Method ; three-dimensionalextrusion ; complexviscoelastic flow ; axisymmetric-equivalentswell ratio

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie , Physik

Notizen: Abstract This paper describes an implementation of a Boundary Element method to solve a general three-dimensional viscoelastic flow problem. The Boundary Element method is formulated in terms of unknown boundary velocity and traction fields. The fluid is incompressible and is modelled by a differential constitutive equation. The steady-state stress field is obtained by a “time marching” process of integration. For the first time, some results for steady state isothermal creeping flow extrusion of a viscoelastic fluid from triangular and square dies are described. The concept of an “axisymmetric-equivalent swell ratio” is introduced to compare the present results with the results of axisymmetric extrusion studies reported in the literature. It is shown that reasonable agreement is achieved.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01337460

Permalink

	Standort	Signatur	Erwartet	Verfügbarkeit

Andere fanden auch interessant ...

Artikel (Nationallizenzen)

Volltext

2

Digitale Medien

A formulation and solution for boundary element analysis of inhomogeneous-nonlinear problem (1998)

Xu, S. Q. ; Kamiya, N.

Springer

Computational mechanics 22 (1998), S. 367-374

zur Merkliste hinzufügen auf der Merkliste

Details

ISSN: 1432-0924

Schlagwort(e): Key Words: Inhomogeneous-Nonlinear Problem ; Boundary Element Method ; Integral Equation ; Polynomial Approximation ; Least Square Method

Quelle: Springer Online Journal Archives 1860-2000

Thema: Maschinenbau

Notizen: Abstract A new formulation is presented in this paper for the boundary element analysis of a nonlinear potential-type problem wherein the linear term is governed by the Laplace operator, and the nonlinear term is a function of the spatial coordinates as well as the unknown solution function. The formulation aims to transform the domain integral relevant to the inhomogeneous-nonlinear term to a corresponding boundary integral. The proposed approach is different from the more popular schemes for the purpose, such as the Dual Reciprocity and Multiple Reciprocity Methods. The inhomogeneous-nonlinear term is first approximated by a polynomial in terms of the space coordinates with unknown coefficients. Integral equations on the selected points (referred to “computing points”) on the boundary as well as inside domain are employed to determine the above-mentioned unknown coefficients using the least square method. The number of computing points affects the accuracy of the result, which is discussed through some numerical examples in two-dimensional space.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/s004660050368

Permalink

	Standort	Signatur	Erwartet	Verfügbarkeit

Andere fanden auch interessant ...

Artikel (Nationallizenzen)

Volltext

3

Digitale Medien

Three-dimensional study of extrusion processes by Boundary Element Method. (1988)

Tran-Cong, T. ; Phan-Thien, N.

Springer

Rheologica acta 27 (1988), S. 21-30

zur Merkliste hinzufügen auf der Merkliste

Details

ISSN: 1435-1528

Schlagwort(e): Boundary Element Method ; three-dimensionalextrusion ; complexviscous flow

Quelle: Springer Online Journal Archives 1860-2000

Thema: Chemie und Pharmazie , Physik

Notizen: Abstract In this paper we report an implementation of a Boundary Element Method (BEM) dealing with three-dimensional extrusion problems of viscous fluid. Die shapes with and without sharp corners and their influence on the final shape of extrudate have been studied: both shrinkage and swelling of the extrudates relative to the original die shapes have been discovered. The first half of this paper deals with the problem of implementing isoparametric boundary elements. It is followed by results of test problems, and finally the results of extrusion study are presented.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1007/BF01372446

Permalink

	Standort	Signatur	Erwartet	Verfügbarkeit

Andere fanden auch interessant ...

Artikel (Nationallizenzen)

Volltext

4

Digitale Medien

Integral Representations for the Deflection and the Slope of a Plate on an Elastic Foundation (1999)

Jahn, Peter ; Hartmann, Friedel

Springer

Journal of elasticity 56 (1999), S. 145-158

zur Merkliste hinzufügen auf der Merkliste

Details

ISSN: 1573-2681

Schlagwort(e): BEM ; Boundary Element Method ; direct integral formulation ; effect of corners ; elastic foundation ; influence functions ; Kirchhoff thin plates ; plate theory ; Winkler type foundations

Quelle: Springer Online Journal Archives 1860-2000

Thema: Maschinenbau , Physik

Notizen: Abstract With the help of two fundamental solutions, integral representations for the deflection and the slope of polygonal shaped plates on an elastic foundation are derived. The kernel functions are evaluated in terms of zero-order Kelvin- or Thomson-functions and their derivatives, respectively.

Materialart: Digitale Medien

URL: http://dx.doi.org/10.1023/A:1007692115257

Permalink

	Standort	Signatur	Erwartet	Verfügbarkeit

Andere fanden auch interessant ...

Artikel (Nationallizenzen)

Volltext

5

Unbekannt

Methode der Randelemente - Boundary Elements in der Mechanik auf dem PC (1987)

F. Hartmann

Springer

In: Berlin, Springer, vol. 113, no. XVI:, pp. 1-14, (0-13-186150-6)

zur Merkliste hinzufügen auf der Merkliste

Details

Publikationsdatum: 1987

Schlagwort(e): Boundary Element Method ; Modelling ; Handbook of physics ; Handbook of geophysics

Permalink

	Standort	Signatur	Erwartet	Verfügbarkeit

Andere fanden auch interessant ...

BIBLIOGRAFIE SEISMOLOGIE

S·F·X

6

Unbekannt

The boundary element method for stress concentrations and fracture problems (1986)

S. Ellis ; R. N. L. Smith ; J. C. Mason ; [weitere]

Institute of Physics

In: Professional Paper, Boundary Element Methods. Theory and Application, Bristol, Institute of Physics, vol. 9, no. 16, pp. 1-23, (ISBN 1-4020-1729-4)

zur Merkliste hinzufügen auf der Merkliste

Details

Publikationsdatum: 1986

Schlagwort(e): Stress ; Rock mechanics ; Stress intensity factor ; Boundary Element Method ; Fracture ; ENDNOTE?

Permalink

	Standort	Signatur	Erwartet	Verfügbarkeit

Andere fanden auch interessant ...

BIBLIOGRAFIE SEISMOLOGIE

S·F·X

7

Unbekannt

Boundary element treatment of three-dimensional elastic fracture mechanics problems (1985)

R. T. Fenner ; F. Nadiri ; H. Armen

The American Society of Mechanical Engineers

In: Professional Paper, Advanced Topics in Boundary Element Analysis, New York, The American Society of Mechanical Engineers, vol. 81A, no. 231, pp. 155-172, (ISBN: 3-540-23712-7)

zur Merkliste hinzufügen auf der Merkliste

Details

Publikationsdatum: 1985

Schlagwort(e): Boundary Element Method ; Three dimensional ; Fracture

Permalink

	Standort	Signatur	Erwartet	Verfügbarkeit

Andere fanden auch interessant ...

BIBLIOGRAFIE SEISMOLOGIE

S·F·X

8

Unbekannt

A boundary integral equation method for time-harmonic radiation and scattering in an elastic half-space (1985)

F. J. Rizzo ; D. J. Shippy ; M. Rezayat ; [weitere]

The American Society of Mechanical Engineers

In: Bull., Open-File Rept., Advanced Topics in Boundary Element Analysis, New York, The American Society of Mechanical Engineers, vol. 10, no. 87-17, pp. 83-90, (ISBN 0080419208)

zur Merkliste hinzufügen auf der Merkliste

Details

Publikationsdatum: 1985

Schlagwort(e): Boundary Element Method ; Waves ; Scattering ; Modelling

Permalink

	Standort	Signatur	Erwartet	Verfügbarkeit

Andere fanden auch interessant ...

BIBLIOGRAFIE SEISMOLOGIE

S·F·X

9

Unbekannt

Error control in three-dimensional crack modeling using the boundary element method (1985)

W. H. Gerstle ; A. R. Ingraffea ; H. Armen

The American Society of Mechanical Engineers

In: Professional Paper, Advanced Topics in Boundary Element Analysis, New York, The American Society of Mechanical Engineers, vol. 23, no. Subvol. b, pp. 205-211, (ISBN: 3-540-23712-7)

zur Merkliste hinzufügen auf der Merkliste

Details

Publikationsdatum: 1985

Schlagwort(e): Three dimensional ; Boundary Element Method ; Fracture

Permalink

	Standort	Signatur	Erwartet	Verfügbarkeit

Andere fanden auch interessant ...

BIBLIOGRAFIE SEISMOLOGIE

S·F·X

10

Unbekannt

Crack tip integrals and domain integral representations for three-dimensional crack problems (1988)

C. F. Shih ; B. Moran ; T. Nakamura ; [weitere]

The American Society of Mechanical Engineers

In: Bull., Open-File Rept., Analytical, Numerical, and Experimental Aspects of Three Dimensional Fracture Processes, New York, The American Society of Mechanical Engineers, vol. 5, no. 16, pp. 125-139, (ISBN 1-86239-165-3, vi + 330 pp.)

zur Merkliste hinzufügen auf der Merkliste

Details

Publikationsdatum: 1988

Schlagwort(e): Boundary Element Method ; Three dimensional ; Fracture

Permalink

	Standort	Signatur	Erwartet	Verfügbarkeit

Andere fanden auch interessant ...

BIBLIOGRAFIE SEISMOLOGIE

S·F·X