Sökning: id:"swepub:oai:lup.lub.lu.se:62963076-e8e7-4f45-89a1-030880d4d87b" >
Computation of axis...
Computation of axisymmetric vibration transmission using a well-conditioned system for elastic layers over a half–space
-
- Peplow, Andrew T. (författare)
- Zayed University
-
- Andersen, Lars Vabbersgaard (författare)
- Aarhus University
-
- Persson, Peter (författare)
- Lund University,Lunds universitet,Byggnadsmekanik,Institutionen för byggvetenskaper,Institutioner vid LTH,Lunds Tekniska Högskola,Structural Mechanics,Department of Construction Sciences,Departments at LTH,Faculty of Engineering, LTH
-
visa fler...
-
Papadrakakis, Manolis (redaktör/utgivare)
-
Fragiadakis, Michalis (redaktör/utgivare)
-
visa färre...
-
(creator_code:org_t)
- Athens : Institute of Structural Analysis and Antiseismic Research School of Civil Engineering National Technical University of Athens (NTUA) Greece, 2019
- 2019
- Engelska 9 s.
-
Ingår i: COMPDYN 2019 - 7th International Conference on Computational Methods in Structural Dynamics and Earthquake Engineering, Proceedings. - Athens : Institute of Structural Analysis and Antiseismic Research School of Civil Engineering National Technical University of Athens (NTUA) Greece. - 2623-3347. - 9786188284456 ; 3, s. 4548-4556
- Relaterad länk:
-
http://dx.doi.org/10... (free)
-
visa fler...
-
https://2019.compdyn...
-
https://lup.lub.lu.s...
-
https://doi.org/10.7...
-
visa färre...
Abstract
Ämnesord
Stäng
- In the context of range-independent solid media, we propose a well-conditioned dynamic stiffness matrix for an elastic layer sitting over an elastic half-space. This formulation overcomes the well-known problem of numerical ill-conditioning when solving the system of equations for deep-layered strata. The methodology involves the exact solutions of transformed ordinary differential equations in the wavenumber domain, namely a projection method based on the transformed equations with respect to the depth coordinate. By re-arranging the transformed equations, the solutions remain numerically well-conditioned for all layer depths. The inverse transforms are achieved with a numerical quadrature method and the results presented include actual displacement fields in the near-field of the load in plane-strain and three-dimensional axisymmetric cases. Verification against finite element method (FEM) calculations demonstrates the performance and complexity of the two approaches.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Byggproduktion (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Construction Management (hsv//eng)
Nyckelord
- Axisymmetric
- Dynamic stiffness matrix
- Elastic wave propagation
Publikations- och innehållstyp
- kon (ämneskategori)
- ref (ämneskategori)
Hitta via bibliotek
Till lärosätets databas