Energy-conserving interface dynamics with asynchronous direct time integration employing arbitrary time steps

Result code in IS VaVaI

<a href="https://www.isvavai.cz/riv?ss=detail&h=RIV%2F61388998%3A_____%2F23%3A00572334" target="_blank" >RIV/61388998:_____/23:00572334 - isvavai.cz</a>

Alternative codes found

RIV/49777513:23520/23:43968629 RIV/68407700:21260/23:00368711

Result on the web

<a href="https://www.sciencedirect.com/science/article/pii/S0045782523002347?via%3Dihub" target="_blank" >https://www.sciencedirect.com/science/article/pii/S0045782523002347?via%3Dihub</a>

DOI - Digital Object Identifier

<a href="http://dx.doi.org/10.1016/j.cma.2023.116110" target="_blank" >10.1016/j.cma.2023.116110</a>

Result language

angličtina

Original language name

Energy-conserving interface dynamics with asynchronous direct time integration employing arbitrary time steps

Original language description

The derivation and implementation of an asynchronous direct time integration scheme for domain-decomposed finite element models is presented. To maximize clarity in the description of the proposed asynchronous integration, the scheme is restricted to the linear-elastic stress wave propagation case. The proposed method allows the integration of individual subdomains with independent time steps. There is no requirement for an integer time steps ratio of the interacting domains while maintaining zero interface energy. The subdomains are connected by the condition of the continuity of the acceleration field at the interface. In addition, the a posteriori technique is applied to satisfy the continuity of the displacement and velocity fields. Another important contribution of this paper lies in the description of the implementation — we offer the reader a general description of the implementation of the case of any number of subdomains with any number of constraints between them, while the basics of the algorithm are explained on a single domain pair. The functionality of the asynchronous integrator is verified by solving selected problems and comparing with analytical solutions and experimental measurements obtained using a Split Hopkinson pressure bar setup.

Czech name

—

Czech description

—

Type

J_imp - Article in a specialist periodical, which is included in the Web of Science database

CEP classification

—

OECD FORD branch

20302 - Applied mechanics

Project

<a href="/en/project/GF22-00863K" target="_blank" >GF22-00863K: Controllable metamaterials and smart structures: Nonlinear problems, modelling and experiments</a><br>

Continuities

I - Institucionalni podpora na dlouhodoby koncepcni rozvoj vyzkumne organizace

Publication year

2023

Confidentiality

S - Úplné a pravdivé údaje o projektu nepodléhají ochraně podle zvláštních právních předpisů

Name of the periodical

Computer Methods in Applied Mechanics and Engineering

ISSN

0045-7825

e-ISSN

1879-2138

Volume of the periodical

413

Issue of the periodical within the volume

August

Country of publishing house

NL - THE KINGDOM OF THE NETHERLANDS

Number of pages

26

Pages from-to

116110

UT code for WoS article

001013421300001

EID of the result in the Scopus database

2-s2.0-85160519557