Peridynamic simulation of elastic wave propagation by applying the boundary conditions with the surface node method

التفاصيل البيبلوغرافية
العنوان: Peridynamic simulation of elastic wave propagation by applying the boundary conditions with the surface node method
المؤلفون: Scabbia F., Zaccariotto M., Galvanetto U., Bobaru F.
المساهمون: Scabbia, F., Zaccariotto, M., Galvanetto, U., Bobaru, F.
بيانات النشر: Association of American Publishers
سنة النشر: 2023
المجموعة: Padua Research Archive (IRIS - Università degli Studi di Padova)
مصطلحات موضوعية: Nonlocal Boundary Condition, Peridynamic, Surface Effect, Surface Node Method, Wave Propagation
الوصف: Peridynamics is a novel nonlocal theory able to deal with discontinuities, such as crack initiation and propagation. Near the boundaries, due to the incomplete nonlocal region, the peridynamic surface effect is present, and its reduction relies on using a very small horizon, which ends up being expensive computationally. Furthermore, the imposition of nonlocal boundary conditions in a local way is often required. The surface node method has been proposed to solve both the aforementioned issues, providing enhanced accuracy near the boundaries of the body. This method has been verified in the cases of quasi-static elastic problems and diffusion problems evolving over time, but it has never been applied to a elastodynamic problems. In this work, we show the capabilities of the surface node method to solve a peridynamic problem of elastic wave propagation in a homogeneous body. The numerical results converge to the corresponding peridynamic analytical solution under grid refinement and exhibit no unphysical fluctuations near the boundaries throughout the whole timespan of the simulation.
نوع الوثيقة: conference object
وصف الملف: ELETTRONICO
اللغة: English
العلاقة: info:eu-repo/semantics/altIdentifier/isbn/9781644902677; ispartofbook:Materials Research Proceedings; 3rd Aerospace PhD-Days 2023, International Congress of PhD Students in Aerospace Science and Engineering; volume:33; firstpage:347; lastpage:354; numberofpages:8; serie:MATERIALS RESEARCH PROCEEDINGS; https://hdl.handle.net/11577/3506334Test; info:eu-repo/semantics/altIdentifier/scopus/2-s2.0-85176132181
DOI: 10.21741/9781644902677-51
الإتاحة: https://doi.org/10.21741/9781644902677-51Test
https://hdl.handle.net/11577/3506334Test
رقم الانضمام: edsbas.58B35E53
قاعدة البيانات: BASE