Zobrazeno 1 - 10
of 40
pro vyhledávání: '"Michael Wünsche"'
Analysis of Cracks in Piezoelectric Solids with Consideration of Electric Field and Strain Gradients
Publikováno v:
Encyclopedia of Continuum Mechanics ISBN: 9783662536056
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4789db7d78d37bf199d80e10fa37ec58
https://doi.org/10.1007/978-3-662-55771-6_237
https://doi.org/10.1007/978-3-662-55771-6_237
Publikováno v:
Mechanics of Advanced Materials and Structures. 27:1354-1371
This paper presents a computational method to analyze 2D crack problems in magneto-electro-elastic solid described by the gradient theory with the direct flexoelectric effect. The finite-element me...
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::79b13cce2fa290c91e7d7c2c6f9adfc8
https://doi.org/10.1080/15376494.2018.1512020
https://doi.org/10.1080/15376494.2018.1512020
Publikováno v:
Key Engineering Materials. 774:90-95
The finite element method (FEM) is developed to analyse 2-D crack problems where the electric field and displacement gradients exhibit a size effect penomenon. This phenomenon in micro/nanoelectronic structures is described by the strain-and electric
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::616170276c6b48e7af583a3954aa6bf2
https://doi.org/10.4028/www.scientific.net/kem.774.90
https://doi.org/10.4028/www.scientific.net/kem.774.90
Publikováno v:
International Journal of Fracture. 210:95-111
The flexoelectric effect on elastic waves is investigated in nano-sized cracked structures. The strain gradients are considered in the constitutive equations of a piezoelectric solid for electric displacements and the higher-order stress tensor. The
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::56e72c450e9ba170ab2f86fe4f54ef0a
https://doi.org/10.1007/s10704-018-0264-0
https://doi.org/10.1007/s10704-018-0264-0
Autor:
Michael Wünsche, Chuan Zeng Zhang, Felipe García-Sánchez, Vladimir Sladek, Jan Sladek, Andrés Sáez
Publikováno v:
Engineering Analysis with Boundary Elements. 84:141-153
This paper presents the dynamic crack analysis in two-dimensional (2D) and linear piezoelectric composites. Stationary cracks in infinite and finite piezoelectric solids subjected to different time-harmonic loadings are investigated. A symmetric Gale
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::171f4d74da1c909bc577ca17bf100340
https://doi.org/10.1016/j.enganabound.2017.08.013
https://doi.org/10.1016/j.enganabound.2017.08.013
Publikováno v:
Key Engineering Materials. 754:165-168
General 2D boundary value problems of piezoelectric nanosized structures with cracks under a thermal load are analyzed by the finite element method (FEM). The size-effect phenomenon observed in nanosized structures is described by the strain-gradient
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e4d10809312fbd0ebb78d3d3a1d6540e
https://doi.org/10.4028/www.scientific.net/kem.754.165
https://doi.org/10.4028/www.scientific.net/kem.754.165
Publikováno v:
Engineering Fracture Mechanics. 182:187-201
General 2D boundary value problems of piezoelectric nano-sized structures with cracks under a thermal load are analyzed by the finite element method (FEM). The size-effect phenomenon observed in nano-sized structures is described by the strain-gradie
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::2b8f90fb2fd32cf4aa861c6395ef4f5f
https://doi.org/10.1016/j.engfracmech.2017.07.018
https://doi.org/10.1016/j.engfracmech.2017.07.018
Publikováno v:
Key Engineering Materials. 754:149-152
Time-harmonic crack analysis in two-dimensional piezoelectric functionally graded materials (FGMs) is presented in this paper. A frequency-domain boundary element method (BEM) is developed for this purpose. Since fundamental solutions for piezoelectr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e38368bacbca7feb37e56aedcd27b0e3
https://doi.org/10.4028/www.scientific.net/kem.754.149
https://doi.org/10.4028/www.scientific.net/kem.754.149
Publikováno v:
Procedia Engineering. 190:452-458
In this paper, the effective material parameters of magnetoelectroelastic composites are computed on the base of homogenization techniques performed on the representative volume element (RVE). For this purpose, the resulting boundary value problem is
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::0a3914d742805889f2ea501045ccc022
https://doi.org/10.1016/j.proeng.2017.05.363
https://doi.org/10.1016/j.proeng.2017.05.363
Autor:
Michael Wünsche, Sibylle Fischer
Publikováno v:
Forced Migration and Resilience ISBN: 9783658279257
This paper introduces the concept of community resilience and identifies distinctive characteristics compared to other perspectives on resilience. Besides a theoretical investigation of the concept’s potential, the paper provides empirical results
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c75301a99773ed10bdedc876ebc34ef0
https://doi.org/10.1007/978-3-658-27926-4_4
https://doi.org/10.1007/978-3-658-27926-4_4