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Thermo-elastic extended meshfree method for fracture without crack tip enrichment

Asadpour, A.

Abstract This is the first manuscript presenting an extended meshfree method for thermo- elastic fracture which does not exploit a crack tip enrichment. The crack is modeled by partition of unity enrichment of the displacement and temperature field. Only a step function is employed that facilitates the implementation. To ensure that crack tip is at the correct position, a Lagrange multiplier field ahead of the crack tip is introduced along a line. The Lagrange multiplier nodal parameters are discretised with the available meshfree functions. Two benchmark examples illustrate the efficiency of the method.

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Thermo-elastic extended meshfree method for fracture without crack tip enrichment

Asadpour, A.

Abstract This is the first manuscript presenting an extended meshfree method for thermo- elastic fracture which does not exploit a crack tip enrichment. The crack is modeled by partition of unity enrichment of the displacement and temperature field. Only a step function is employed that facilitates the implementation. To ensure that crack tip is at the correct position, a Lagrange multiplier field ahead of the crack tip is introduced along a line. The Lagrange multiplier nodal parameters are discretised with the available meshfree functions. Two benchmark examples illustrate the efficiency of the method.

Thermo-elastic extended meshfree method for fracture without crack tip enrichment

Asadpour, A.

Abstract This is the first manuscript presenting an extended meshfree method for thermo- elastic fracture which does not exploit a crack tip enrichment. The crack is modeled by partition of unity enrichment of the displacement and temperature field. Only a step function is employed that facilitates the implementation. To ensure that crack tip is at the correct position, a Lagrange multiplier field ahead of the crack tip is introduced along a line. The Lagrange multiplier nodal parameters are discretised with the available meshfree functions. Two benchmark examples illustrate the efficiency of the method.

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Title:

Thermo-elastic extended meshfree method for fracture without crack tip enrichment

Contributors:

Asadpour, A. (author)

Published in:

Frontiers of Structural and Civil Engineering ; 9 ; 441-447

Publication date:

2015-11-23

Size:

7 pages

ISSN:

2095-2449 , 2095-2430

DOI:

https://doi.org/10.1007/s11709-015-0319-5

Type of media:

Article (Journal)

Type of material:

Electronic Resource

Language:

English

Keywords:

meshfree method , thermo-elasticity Engineering , Civil Engineering , Cities, Countries, Regions

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